Re: [Qgis-user] updating printer composer

[dave . potts]

Thaks, as with all things Qgis it can be done, but finding out how or where the 
button is always an interesting challenge.

In this case the Items properties tab is on the right hand side on the main 
screen, between Composition and Atlas generation, near the command history 
window.
I was expecting to find it under one of the icons when I first started looking.

Thanks for providing the information 

August 30 2016 9:30 PM, "Bernd Vogelgesang"  wrote:

Hi Dave,

yes it's possible. And it is quite easy:
select your map frame in the composer -> select the "Item properties" tab -> 
Hit the "Update preview" button 

Cheers
Bernd

Am 30.08.2016, 22:07 Uhr, schrieb :

 Hi List,

I am having run with the print composer :-(

If I work on the main qgus window and create a map image the way that I want 
it, then open a print composer and drag an image of the map on to the print 
compose. It looks rather nice. Then I discover that I have left off some vital 
feature, I go and edit the main map, but the print composer ignores the change. 
I have to remove the map image from the print composer and re add it.

Is there any way I can just get the composer to reload/refresh the image on the 
composer to match the main image on the qgis window with out having to readd it 
?

Dave.
--
Bernd Vogelgesang
Siedlerstraße 2
91083 Baiersdorf/Igelsdorf
Tel: 09133-825374
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Re: [Qgis-user] HTML rendering in Map Composer

[Neumann, Andreas]

Specifically watch out for: 

libqt4-webkit 

python-webkit 

libqtwebkit4 

or whatever the packages are called in Ubuntu these days. 

Andreas 

On 2016-08-31 07:28, Neumann, Andreas wrote:

> Perhaps you miss a "webkit" related package? Perhaps do a "apt search webkit" 
> search and see what webkit packages are available. Something around webkit 
> with qt and python. 
> 
> I know that some Debian versions removed Webkit and maybe the newer Ubuntu 
> versions did so as well? 
> 
> Hope this helps, 
> 
> Andreas 
> 
> On 2016-08-30 21:42, SaekBinko wrote:
> 
>> Hello Group!
>> 
>> I have a problem with text field in Map Composer... When I enable HTML
>> rendering on some text field, whole text on map becomes invisible. 
>> 
>> I'm using QGIS 2.16.2 on Linux Mint 18 (Ubuntu 16.04),
>> 
>> Maybe I have to install some libraries? Everything was fine, when I was
>> using QGIS 2.16 on Linux Mint 17 (Ubuntu 14.04)...
>> 
>> Best regards,
>> Slawomir
>> 
>> --
>> View this message in context: 
>> http://osgeo-org.1560.x6.nabble.com/HTML-rendering-in-Map-Composer-tp5283130.html
>> Sent from the Quantum GIS - User mailing list archive at Nabble.com.
>> ___
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Re: [Qgis-user] Issue using time manager to show a line that changes in thickness over time

[Christoph Lauber]

Hi Luke

 

I used the time manager a while ago for “colour-changing” on polygons,
depending a temperature attribute.

First thing is, that your layer must show up on the map without using the
time manager plugin. If this is not the case, then you should have a look on
your layer style definition. 

If the layer shows up, but you still don’t see anything in the time manager,
then you should try to make time manager work without any layer styling.
Maybe the problem is not the layer but the timestamp format?

 

 

 

Freundliche Grüsse

Christoph Lauber

 

 

 

Von: Steiginga, Luke [mailto:luke.steigi...@nrc-cnrc.gc.ca] 
Gesendet: Dienstag, 30. August 2016 14:50
An: 'qgis-user@lists.osgeo.org' 
Betreff: [Qgis-user] Issue using time manager to show a line that changes in
thickness over time

 

Hello, 

 

I am running QGIS 2.8.9 and I am currently displaying a line that varies in
thickness along its length. The entire line is made up of many smaller lines
each having a different thickness. It was added using a csv file using a WKT
column that contained the information necessary to make the lines. These
smaller lines all have different thicknesses corresponding to a numeric
value that had been previously calculated in the csv file.

 

This all works as it should.

 

 

My problem is that I now want to have this change at different times when I
use the time manager. In other words, I want the thickness of each line to
change from one week to another. The csv file has a start time and an end
time as shown below in columns “Timestamp”, and “End Time”. The first column
contains the numbers that I want to indicate the thickness.

 

Expected x  y
WKT
TimestampEnd Time

0.0001109-1247455.1  1419954.2
LineString(-1247455.1 1419954.2, -1247455.2 1419954.3)
4/1/2016 6:004/8/2016 6:00

0.004392  -1247455.2  1419954.3
LineString(-1247455.2 1419954.3, -1247571 1419993)
4/1/2016 6:004/8/2016 6:00

 

 

 

After 4/8/2016 6:00 there are different values for the thickness of the
lines that I want displayed. These are lower down in the same file. I show a
sample of what would be in the csv file at this point below:

 

Expected x  y
WKT
TimestampEnd Time

0.002145  -1247455.1  1419954.2
LineString(-1247455.1 1419954.2, -1247455.2 1419954.3)
4/8/2016 6:004/15/2016 6:00

0.003391  -1247455.2  1419954.3
LineString(-1247455.2 1419954.3, -1247571 1419993)
4/8/2016 6:004/15/2016 6:00

 

 

 

 

Each new week, all columns except the first column remain exactly the same,
because all I want to do is have the thickness of the line segments change
with time.

 

I tried to do this by opening the time manager and adding a layer. I set the
start time as the “Timestamp” column and the end time as the “End Time”
column. I am trying to make QGIS display one thickness for the first week
and then show the second thickness for the second week and so on.

 

I would have expected this to work, but instead the layer doesn’t show up on
the map at all after doing this. 

 

Could someone please tell me what I am doing wrong or how I could possibly
resolve this issue?

 

Thanks,

Luke

 

 

 

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Re: [Qgis-user] HTML rendering in Map Composer

[Neumann, Andreas]

Perhaps you miss a "webkit" related package? Perhaps do a "apt search
webkit" search and see what webkit packages are available. Something
around webkit with qt and python. 

I know that some Debian versions removed Webkit and maybe the newer
Ubuntu versions did so as well? 

Hope this helps, 

Andreas 

On 2016-08-30 21:42, SaekBinko wrote:

> Hello Group!
> 
> I have a problem with text field in Map Composer... When I enable HTML
> rendering on some text field, whole text on map becomes invisible. 
> 
> I'm using QGIS 2.16.2 on Linux Mint 18 (Ubuntu 16.04),
> 
> Maybe I have to install some libraries? Everything was fine, when I was
> using QGIS 2.16 on Linux Mint 17 (Ubuntu 14.04)...
> 
> Best regards,
> Slawomir
> 
> --
> View this message in context: 
> http://osgeo-org.1560.x6.nabble.com/HTML-rendering-in-Map-Composer-tp5283130.html
> Sent from the Quantum GIS - User mailing list archive at Nabble.com.
> ___
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Re: [Qgis-user] Spatilite and QGIS issue

[SaekBinko]

Hi,

Try to recover geometry typing a command

SELECT RecoverGeometryColumn('[1]', 'Geometry', [2], '[3]', 'XY');

Where:
[1] - table name
[2] - epsg code
[3] - geometry type

I had similar problem some time ago, and recovering geometry helped me.


Also try to open that Spatialite database in Spatialite GUI - nice app to
perform some actions using Spatialite.



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[Qgis-user] Spatilite and QGIS issue

[Tyler Veinot]

All;
Today just seems to be full of issues...
I have a filegeodatabase featureclass of lines I brought into QGIS, I
extracted the water mains (wmain) and water laterals (wlat) to 2 shape
files. I am trying to bring them into spatilite to perform some functions
but for some reason the wmain table gives me an "Import Successful" but
when I add it to my map there is no geometry. The records are all there and
the "geom" field is present but QGIS doesn't seem to want to draw it.
I imported it the exact same way as I did with the wlat and they come from
the same dataset. I used v.clean to remove unnecessary verities, null
geometry, duplicates, but still no water mains in my map.
Any Ideas?
Tyler
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Re: [Qgis-user] updating printer composer

[Bernd Vogelgesang]

Hi Dave,

yes it's possible. And it is quite easy:
select your map frame in the composer -> select the "Item properties" tab  
-> Hit the "Update preview" button


Cheers
Bernd

Am 30.08.2016, 22:07 Uhr, schrieb :


Hi List,

I am having run with the print composer :-(

If I work on the main qgus window and create a map image the way that I  
want it, then open a print composer and drag an image of the map on to  
the print >compose.  It looks rather nice.  Then I discover that I have  
left off some vital feature,  I go and edit the main map, but the print  
composer ignores the change.  I >have to remove the map image from the  
print composer and re add it.


Is there any way I can just get the composer to reload/refresh  the  
image on the composer to match the main image on the qgis window with  
out having to readd >it ?


Dave.




--
Bernd Vogelgesang
Siedlerstraße 2
91083 Baiersdorf/Igelsdorf
Tel: 09133-825374___
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Re: [Qgis-user] .GDB to .KML/.KMZ?

[Blumentrath, Stefan]

Hi Simon,

Try gpsbabel if your gdb is a Garmin GPS file (I guess it is), to convert it to 
GPX, which you can open in QGIS like any other vector data
(If your gdb is an ESRI File Geodatabase you can open it in QGIS directly if 
you have the gdal-plugin installed).

After opening the file in QGIS go on “Save as” and choose kmz /kml as output 
format.

Hope that helps!

Cheers
Stefan

From: Qgis-user [mailto:qgis-user-boun...@lists.osgeo.org] On Behalf Of Simon 
Minching
Sent: 30. august 2016 20:57
To: qgis-user@lists.osgeo.org
Subject: [Qgis-user] .GDB to .KML/.KMZ?

Hi everyone,

Can QGIS import a gdb file and allow a user to transform it to kml/kmz for 
export and re-use? I didn't see anything to this end within the user 
documentation.

Excited to dive in here!

Thanks in advance,

Simon
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Re: [Qgis-user] .GDB to .KML/.KMZ?

[Stefan Keller]

If you mean ESRI File Geodatabase (FileGDB) then you can also use my
free online web app:
https://geoconverter.hsr.ch/ (pls. use responsibly :-))

:Stefan

2016-08-30 21:48 GMT+02:00 Nyall Dawson :
> On 31 Aug 2016 04:57, "Simon Minching"  wrote:
>>
>> Hi everyone,
>>
>> Can QGIS import a gdb file and allow a user to transform it to kml/kmz for
>> export and re-use? I didn't see anything to this end within the user
>> documentation
>
> Definitely - I do this all the time! Just open the gdb data source (eg drag
> and drop it in QGIS), then right click the layer and select "save as". You
> can then change the output format from that dialog to KML or kmz.
>
> Nyall
>>
>> Excited to dive in here!
>>
>> Thanks in advance,
>>
>> Simon
>>
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[Qgis-user] updating printer composer

[dave . potts]

Hi List,

I am having run with the print composer :-(

If I work on the main qgus window and create a map image the way that I want 
it, then open a print composer and drag an image of the map on to the print 
compose. It looks rather nice. Then I discover that I have left off some vital 
feature, I go and edit the main map, but the print composer ignores the change. 
I have to remove the map image from the print composer and re add it.

Is there any way I can just get the composer to reload/refresh the image on the 
composer to match the main image on the qgis window with out having to readd it 
?

Dave.
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Re: [Qgis-user] .GDB to .KML/.KMZ?

[Nyall Dawson]

On 31 Aug 2016 04:57, "Simon Minching"  wrote:
>
> Hi everyone,
>
> Can QGIS import a gdb file and allow a user to transform it to kml/kmz
for export and re-use? I didn't see anything to this end within the user
documentation

Definitely - I do this all the time! Just open the gdb data source (eg drag
and drop it in QGIS), then right click the layer and select "save as". You
can then change the output format from that dialog to KML or kmz.

Nyall
>
> Excited to dive in here!
>
> Thanks in advance,
>
> Simon
>
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[Qgis-user] HTML rendering in Map Composer

[SaekBinko]

Hello Group!

I have a problem with text field in Map Composer... When I enable HTML
rendering on some text field, whole text on map becomes invisible. 

I'm using QGIS 2.16.2 on Linux Mint 18 (Ubuntu 16.04),

Maybe I have to install some libraries? Everything was fine, when I was
using QGIS 2.16 on Linux Mint 17 (Ubuntu 14.04)...


Best regards,
Slawomir



--
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[Qgis-user] .GDB to .KML/.KMZ?

[Simon Minching]

Hi everyone,

Can QGIS import a gdb file and allow a user to transform it to kml/kmz for
export and re-use? I didn't see anything to this end within the user
documentation.

Excited to dive in here!

Thanks in advance,

Simon
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Re: [Qgis-user] Imagine raster details in QGIS v ArcGIS

[john polo]

Mike and Nicolas,

Thanks for taking the time to explain all of this to me, it did clear up 
some misunderstandings I had.


best regards,
John

On 8/30/2016 12:54 PM, Michael Treglia wrote:

Hey John,

I've dealt with this layer a bit too - one thing for QGIS is that when 
you import a layer, I think the default to calculate the min/max based 
on the 2-98% range of the data. If you're in the Layer Properties -> 
Style tab, expand the 'Load min/max values' area, and then select 'Min 
/ max' (and change Accuracy to 'Actual'), and then hit the load 
button. That yields the range as 207-15516. (see screen-shot below). I 
know this is a categorical raster, so displaying based on the color 
ramp is meaningless, but that at least shows you're getting the right 
values.


Re the projection - I thought this used to display correctly based on 
the projection parameters that get read in, but it's displaying way 
far north. Toying around, it looks like the equivalent EPSG code is 
5070 (+proj=aea +lat_1=29.5 +lat_2=45.5 +lat_0=23 +lon_0=-96 +x_0=0 
+y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs)


FWIW, I did this on QGIS 2.16.1

Hope that helps,
mike


Inline image 1

On Tue, Aug 30, 2016 at 12:23 PM, Nicolas Cadieux 
mailto:nicolas.cadi...@archeotec.ca>> 
wrote:


Hi,
The easy answer is no:(

That could happen If the nature of the file was different (like a
simple picture .jpg) but in this case, as in most, you have
choices to make and assumptions are made by the programs based
partly on the user settings. The problem is that most rasters used
in GIS have more than the usual 256 values you find in a picture.
Therefore, you need to select what part of the image you want to
display or render on the screen which is limited to 256 values only.

As an example, you can ask QGIS to automatically open a raster
using the min-max pixel or you can ask Qgis to cut off the higher
and lower 1%. (Also, min max values can be real (slow) or
estimated (fast)). The second option may be better if you know you
have noise in the data.  To have a true idea of what the real min
max values are, you need to run the statistics. You can't rely on
rendering values shown under the layers.

The problem you are having with the CRS is probably that ArcGis or
ERDAS, is coding the information differently than in Qgis. Some
software companies do it differently either because they want to
lock you in a proprietary format or because they think their
format is better.If I recall, ERDAS does not put the
information in the .tiff but rather, in a text file.  (I may be
wrong here.)  In any case, look an compare the CRS definitions.
They maybe identical.  You can also click on the layer and specify
the CRS. If you want to change the CRS, you will need to use the
save as option.

ArcGIS also has a concepts of dealing with rasters that have
unique values.  The idea, is that you can have a raster with a
data base.  After that, pixels with the value of 1, for example,
could be identified as "Roads". That concept does not exist in
Qgis (as of 2.12).  You can however, make a colour palette for the
unique values but Qgis will not id the values as objects like
roads or building.  I imagine this will come soon if it's not
already in 2.16.

Unfortunately, all those choices used for rendering get saved in
the project files and while most GIS will open a great number of
file formats correctly, most are completely incapable of reading
each other's project files:(. If they can, they have very limited
options.

Hope this clarifies things a bit.
Nicolas


Envoyé de mon iPad

Le 30 août 2016 à 11:24, john.polo [via OSGeo.org
] <[hidden email]
> a écrit :


Hi,
I downloaded the raster at this site:
http://www.wildlifedepartment.com/facts_maps/ecoregions.htm

(scroll down about halfway to find the raster link. The file is
kind of
big, ArcGIS says the uncompressed size is 5.69 GB, 225 MB as a zip)
and loaded it into QGIS as a standalone raster file. It is a
raster of
Oklahoma, USA classified into vegetation types at 10mx10m
resolution.

It is saved as ERDAS Imagine, if I understand the extension. I don't
know if the file type is relevant to the issues I am running into.

When the file is open in QGIS, the min and max pixel values have a
smaller range, 314 - 14797, than when the file is open in ArcGIS,
207 -
15516. I can redraw the raster in ArcGIS to "Unique" instead of
"Stretched" pixel values in the Symbology, which will then give me
classifications for the pixels. Additionally, the CRS is
USER:12 in
QGIS, but Albers Conical Equal Area in QGIS. Why does this

Re: [Qgis-user] Imagine raster details in QGIS v ArcGIS

[Nicolas Cadieux]

Hi,
The easy answer is no:( 

That could happen If the nature of the file was different (like a simple 
picture .jpg) but in this case, as in most, you have choices to make and 
assumptions are made by the programs based partly on the user settings.  The 
problem is that most rasters used in GIS have more than the usual 256 values 
you find in a picture.  Therefore, you need to select what part of the image 
you want to display or render on the screen which is limited to 256 values 
only.  

As an example, you can ask QGIS to automatically open a raster using the 
min-max pixel or you can ask Qgis to cut off the higher and lower 1%. (Also, 
min max values can be real (slow) or estimated (fast)). The second option may 
be better if you know you have noise in the data.  To have a true idea of what 
the real min max values are, you need to run the statistics. You can't rely on 
rendering values shown under the layers.

The problem you are having with the CRS is probably that ArcGis or ERDAS, is 
coding the information differently than in Qgis. Some software companies do it 
differently either because they want to lock you in a proprietary format or 
because they think their format is better.If I recall, ERDAS does not put 
the information in the .tiff but rather, in a text file.  (I may be wrong 
here.)  In any case, look an compare the CRS definitions.  They maybe 
identical.  You can also click on the layer and specify the CRS. If you want to 
change the CRS, you will need to use the save as option.

ArcGIS also has a concepts of dealing with rasters that have unique values.  
The idea, is that you can have a raster with a data base.  After that, pixels 
with the value of 1, for example, could be identified as "Roads".  That concept 
does not exist in Qgis (as of 2.12).  You can however, make a colour palette 
for the unique values but Qgis will not id the values as objects like roads or 
building.  I imagine this will come soon if it's not already in 2.16.

Unfortunately, all those choices used for rendering get saved in the project 
files and while most GIS will open a great number of file formats correctly, 
most are completely incapable of reading each other's project files:(. If they 
can, they have very limited options. 

Hope this clarifies things a bit.
Nicolas


Envoyé de mon iPad

> Le 30 août 2016 à 11:24, john.polo [via OSGeo.org] 
>  a écrit :
> 
> Hi, 
> I downloaded the raster at this site: 
> http://www.wildlifedepartment.com/facts_maps/ecoregions.htm
> (scroll down about halfway to find the raster link. The file is kind of 
> big, ArcGIS says the uncompressed size is 5.69 GB, 225 MB as a zip) 
> and loaded it into QGIS as a standalone raster file. It is a raster of 
> Oklahoma, USA classified into vegetation types at 10mx10m resolution. 
> 
> It is saved as ERDAS Imagine, if I understand the extension. I don't 
> know if the file type is relevant to the issues I am running into. 
> 
> When the file is open in QGIS, the min and max pixel values have a 
> smaller range, 314 - 14797, than when the file is open in ArcGIS, 207 - 
> 15516. I can redraw the raster in ArcGIS to "Unique" instead of 
> "Stretched" pixel values in the Symbology, which will then give me 
> classifications for the pixels. Additionally, the CRS is USER:12 in 
> QGIS, but Albers Conical Equal Area in QGIS. Why does this difference in 
> rendering happen? How can I get QGIS to render the file with the same 
> characteristics as ArcGIS automatically? I know I can save with a new 
> CRS to fix that issue, but if the file can load in ArcGIS with the CRS 
> from the start, shouldn't QGIS render it the same? I don't know how to 
> get the pixel values to the same range or how to get the classifications 
> assigned. 
> 
> John 
> 
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Re: [Qgis-user] Compare and the most value

[DelazJ]

Hi,
In QGIS 2.16 (and also in 2.14), there's a Statistic panel (View menu -->
Panels) that offers some stats on any fields (note that only numeric fields
are available in QGIS 2.14).

In 2.16, there are also aggregate functions

(min, max, mean) you can use in any expression widget, including Field
calculator. So unless I misunderstood your need, yes, it's possible to
retrieve the greatest value of a field.

HTH,
Harrissou

2016-08-30 17:53 GMT+02:00 Bernd Vogelgesang :

> Hi,
> I asked a simliar question 4 years ago on stackexchange
> http://gis.stackexchange.com/q/30708/8202
>
> But it all depends on the use case and data.
>
> Cheers
> Bernd
>
>
> Am 30.08.2016, 14:21 Uhr, schrieb Bia :
>
> 2 questions:
> 1) in the field calculator as I can, for example, find the greatest value
> of a column?
>
> 2) Can I compare different tables (different shapfiles) to for example
> obtain a value of contamination concentration in tables with different
> concentrations and dates?
>
> Tanks!
>
> 2016-08-30 9:20 GMT-03:00 Bia :
>
>> 2 questions:
>> 1) in the field calculator as I can, for example, find the greatest value
>> of a column?
>>
>> 2) Can I compare different tables (different shapfiles) to for example
>> obtain a value of contamination concentration in tables with different
>> concentrations and dates?
>>
>> Tanks!
>>
>> 2016-08-30 8:55 GMT-03:00 Tyler Veinot :
>>
>>> Bia;
>>> Compare in what way? You can export the sheets to CSV or DBF and add
>>> them to your project, from there you can join common data types, use the
>>> field calculator to manipulate the data, display XY coordinates.
>>>
>>> On Tue, Aug 30, 2016 at 7:19 AM, Bia  wrote:
>>>
 Good morning!
 Is there a way to compare different spreadsheets data in qgis?

 Tk u

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>>>
>>>
>>
>>
>> --
>> Bea
>>
>
>
>
> --
> Bea
>
>
>
>
> --
> Bernd Vogelgesang
> Siedlerstraße 2
> 91083 Baiersdorf/Igelsdorf
> Tel: 09133-825374
>
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Re: [Qgis-user] Compare and the most value

[Bernd Vogelgesang]

Hi,
I asked a simliar question 4 years ago on stackexchange  
http://gis.stackexchange.com/q/30708/8202


But it all depends on the use case and data.

Cheers
Bernd


Am 30.08.2016, 14:21 Uhr, schrieb Bia :


2 questions:
1) in the field calculator as I can, for example, find the greatest  
value of a column?


2) Can I compare different tables (different shapfiles) to for example  
obtain a value of contamination >concentration in tables with different  
concentrations and dates?


Tanks!

2016-08-30 9:20 GMT-03:00 Bia :

2 questions:
1) in the field calculator as I can, for example, find the greatest  
value of a column?


2) Can I compare different tables (different shapfiles) to for example  
obtain a value of contamination concentration in tables >>with  
different concentrations and dates?


Tanks!

2016-08-30 8:55 GMT-03:00 Tyler Veinot :

Bia;
Compare in what way? You can export the sheets to CSV or DBF and add  
them to your project, from there you can join common data >>>types,  
use the field calculator to manipulate the data, display XY  
coordinates.

On Tue, Aug 30, 2016 at 7:19 AM, Bia  wrote:


Good morning!Is there a way to compare different spreadsheets data in  
qgis?


Tk u

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[Qgis-user] Imagine raster details in QGIS v ArcGIS

[john polo]

Hi,
I downloaded the raster at this site:
http://www.wildlifedepartment.com/facts_maps/ecoregions.htm
(scroll down about halfway to find the raster link. The file is kind of 
big, ArcGIS says the uncompressed size is 5.69 GB, 225 MB as a zip)
and loaded it into QGIS as a standalone raster file. It is a raster of 
Oklahoma, USA classified into vegetation types at 10mx10m resolution.


It is saved as ERDAS Imagine, if I understand the extension. I don't 
know if the file type is relevant to the issues I am running into.


When the file is open in QGIS, the min and max pixel values have a 
smaller range, 314 - 14797, than when the file is open in ArcGIS, 207 - 
15516. I can redraw the raster in ArcGIS to "Unique" instead of 
"Stretched" pixel values in the Symbology, which will then give me 
classifications for the pixels. Additionally, the CRS is USER:12 in 
QGIS, but Albers Conical Equal Area in QGIS. Why does this difference in 
rendering happen? How can I get QGIS to render the file with the same 
characteristics as ArcGIS automatically? I know I can save with a new 
CRS to fix that issue, but if the file can load in ArcGIS with the CRS 
from the start, shouldn't QGIS render it the same? I don't know how to 
get the pixel values to the same range or how to get the classifications 
assigned.


John

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Re: [Qgis-user] qgis browser hangs while opening big shapefile

[Nicolas Cadieux]

Hi,
If the CRS are different, an empty file is to be expected.  Try opening the 
original shape file with the "CRS on the fly"turned off. You could saving the 
shape file in an other format like spatialite. .shp are less capable of dealing 
with bid complex shapes that we can create today.
Good luck
Nicolas

Envoyé de mon iPad

> Le 30 août 2016 à 10:37, Reginald Carlier [via OSGeo.org] 
>  a écrit :
> 
> Tyler;
> 
>  
> 
> I tried to clip without adding to the project.
> 
> It took about 20 seconds to complete. When I opened the resulting shapefile 
> it was empty.
> 
> The algorithm gave a warning that the two shapefiles were in a different CRS. 
> So maybe this is the problem. I will try to put them in the same CRS.
> 
>  
> 
> Regards,
> 
>  
> 
> Reginald Carlier
> Deskundige GIS
> 
> 
> 
> 
> Gemeente Ingelmunster, Oostrozebekestraat 4, 8770 Ingelmunster 
> T +32 51 33 74 39 www.ingelmunster.be
> 
>  
> 
> Van: Tyler Veinot [mailto:[hidden email]] 
> Verzonden: dinsdag 30 augustus 2016 15:49
> Aan: Reginald Carlier; [hidden email]
> Onderwerp: Re: [Qgis-user] qgis browser hangs while opening big shapefile
> 
>  
> 
> Reginald;
> 
> I am on 2.14.5 (thought I had also installed 2.16.x but I guess I skipped 
> it). The first thing I noticed is when opening the file my memory usage 
> doubled and qgis-ltr-bin.exe moved right to the top of the processes list. I 
> didn't get any hang-ups but I feel I may have gotten close. Did you try using 
> the clip function without adding the layers to the project? My machine did 
> the clip faster and the result didn't not come in sluggish and I clipped it 
> by about 1/3.
> 
> Tyler
> 
>  
> 
> On Tue, Aug 30, 2016 at 10:08 AM, Reginald Carlier <[hidden email]> wrote:
> 
> Tyler,
> 
>  
> 
> I downloaded belgium-latest.shp.zip
> 
>  
> 
> Regards,
> 
>  
> 
> Reginald Carlier
> Deskundige GIS
> 
> 
> 
> 
> Gemeente Ingelmunster, Oostrozebekestraat 4, 8770 Ingelmunster 
> T +32 51 33 74 39 
> www.ingelmunster.be
> 
>  
> 
> Van: Tyler Veinot [mailto:[hidden email]] 
> Verzonden: dinsdag 30 augustus 2016 15:06
> Aan: Reginald Carlier
> CC: [hidden email]
> 
> 
> Onderwerp: Re: [Qgis-user] qgis browser hangs while opening big shapefile
> 
>  
> 
> Reginald;
> 
> There are 2 download options, I would like to test the one you downloaded.
> 
> Which one did you download, latest of latest free?
> 
> Tyler
> 
>  
> 
> On Tue, Aug 30, 2016 at 9:23 AM, Reginald Carlier <[hidden email]> wrote:
> 
> Hi Tyler,
> 
>  
> 
> The shape can be downloaded from this link:
> 
> http://download.geofabrik.de/europe/belgium.html
> 
> I used Belgium-latest.shp
> 
>  
> 
> Greetings,
> 
>  
> 
> Reginald Carlier
> Deskundige GIS
> 
> 
> 
> 
> Gemeente Ingelmunster, Oostrozebekestraat 4, 8770 Ingelmunster 
> T +32 51 33 74 39 
> www.ingelmunster.be
> 
>  
> 
> Van: Tyler Veinot [mailto:[hidden email]] 
> Verzonden: dinsdag 30 augustus 2016 13:53
> Aan: Reginald Carlier
> Onderwerp: Re: [Qgis-user] qgis browser hangs while opening big shapefile
> 
>  
> 
> Reginald;
> 
> Can you send the shape?
> 
> Tyler
> 
>  
> 
> On Tue, Aug 30, 2016 at 6:40 AM, Reginald Carlier <[hidden email]> wrote:
> 
> Hi,
> 
>  
> 
> I downloaded the latest shapefile of OSM for Belgium.
> 
> When I open QGIS browser and point to the buildings.shp (size : 325959kB) the 
> application hangs, so I can’t change the CRM.
> 
> I also tried clipping the buildings.shp with a polygon shape of a town but 
> that resulted in the same unresponsive behavior.
> 
> I’m using QGIS 2.16.1.
> 
>  
> 
> Regards,
> 
> Reginald Carlier
> Deskundige GIS
> 
> 
> 
> 
> Gemeente Ingelmunster, Oostrozebekestraat 4, 8770 Ingelmunster 
> T +32 51 33 74 39 
> www.ingelmunster.be
> 
>  
> 
> 
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Re: [Qgis-user] qgis browser hangs while opening big shapefile

[Reginald Carlier]

Tyler;

I tried to clip without adding to the project.
It took about 20 seconds to complete. When I opened the resulting shapefile it 
was empty.
The algorithm gave a warning that the two shapefiles were in a different CRS. 
So maybe this is the problem. I will try to put them in the same CRS.

Regards,


Reginald Carlier
Deskundige GIS

[http://www.ingelmunster.be/ingelmunster.gif]

Gemeente Ingelmunster, Oostrozebekestraat 4, 8770 Ingelmunster
T +32 51 33 74 39 www.ingelmunster.be

[http://www.ingelmunster.be/fb.jpg] 
[http://www.ingelmunster.be/go.jpg]   
[http://www.ingelmunster.be/in.jpg]   
[http://www.ingelmunster.be/pi.jpg]   
[http://www.ingelmunster.be/tw.jpg] 
Van: Tyler Veinot [mailto:tylerkvei...@gmail.com]
Verzonden: dinsdag 30 augustus 2016 15:49
Aan: Reginald Carlier; qgis-user@lists.osgeo.org
Onderwerp: Re: [Qgis-user] qgis browser hangs while opening big shapefile

Reginald;
I am on 2.14.5 (thought I had also installed 2.16.x but I guess I skipped it). 
The first thing I noticed is when opening the file my memory usage doubled and 
qgis-ltr-bin.exe moved right to the top of the processes list. I didn't get any 
hang-ups but I feel I may have gotten close. Did you try using the clip 
function without adding the layers to the project? My machine did the clip 
faster and the result didn't not come in sluggish and I clipped it by about 1/3.
Tyler

On Tue, Aug 30, 2016 at 10:08 AM, Reginald Carlier 
mailto:reginald.carl...@ingelmunster.be>> 
wrote:
Tyler,

I downloaded belgium-latest.shp.zip

Regards,


Reginald Carlier
Deskundige GIS

[http://www.ingelmunster.be/ingelmunster.gif]

Gemeente Ingelmunster, Oostrozebekestraat 4, 8770 Ingelmunster
T +32 51 33 74 39 
www.ingelmunster.be

[http://www.ingelmunster.be/fb.jpg] 
[http://www.ingelmunster.be/go.jpg]   
[http://www.ingelmunster.be/in.jpg]   
[http://www.ingelmunster.be/pi.jpg]   
[http://www.ingelmunster.be/tw.jpg] 
Van: Tyler Veinot [mailto:tylerkvei...@gmail.com]
Verzonden: dinsdag 30 augustus 2016 15:06
Aan: Reginald Carlier
CC: qgis-user@lists.osgeo.org

Onderwerp: Re: [Qgis-user] qgis browser hangs while opening big shapefile

Reginald;
There are 2 download options, I would like to test the one you downloaded.
Which one did you download, latest of latest free?
Tyler

On Tue, Aug 30, 2016 at 9:23 AM, Reginald Carlier 
mailto:reginald.carl...@ingelmunster.be>> 
wrote:
Hi Tyler,

The shape can be downloaded from this link:
http://download.geofabrik.de/europe/belgium.html
I used Belgium-latest.shp

Greetings,


Reginald Carlier
Deskundige GIS

[http://www.ingelmunster.be/ingelmunster.gif]

Gemeente Ingelmunster, Oostrozebekestraat 4, 8770 Ingelmunster
T +32 51 33 74 39 
www.ingelmunster.be

[http://www.ingelmunster.be/fb.jpg] 
[http://www.ingelmunster.be/go.jpg]   
[http://www.ingelmunster.be/in.jpg]   
[http://www.ingelmunster.be/pi.jpg]   
[http://www.ingelmunster.be/tw.jpg] 
Van: Tyler Veinot [mailto:tylerkvei...@gmail.com]
Verzonden: dinsdag 30 augustus 2016 13:53
Aan: Reginald Carlier
Onderwerp: Re: [Qgis-user] qgis browser hangs while opening big shapefile

Reginald;
Can you send the shape?
Tyler

On Tue, Aug 30, 2016 at 6:40 AM, Reginald Carlier 
mailto:reginald.carl...@ingelmunster.be>> 
wrote:
Hi,

I downloaded the latest shapefile of OSM for Belgium.
When I open QGIS browser and point to the buildings.shp (size : 325959kB) the 
application hangs, so I can’t change the CRM.
I also tried clipping the buildings.shp with a polygon shape of a town but that 
resulted in the same unresponsive behavior.
I’m using QGIS 2.16.1.

Regards,

Reginald Carlier
Deskundige GIS

[http://www.ingelmunster.be/ingelmunster.gif]

Gemeente Ingelmunster, Oostrozebekestraat 4, 8770 Ingelmunster
T +32 51 33 74 39 
www.ingelmunster.be

[http://www.ingelmunster.be/fb.jpg] 
[http://www.ingelmunster.be/go.jpg]   
[http://www.ingelmunster.be/in.jpg]   
[http://www.ingelmunster.be/pi.jpg]   
[http://www.ingelmunster.be/tw.jpg] 

___
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Re: [Qgis-user] qgis browser hangs while opening big shapefile

[Tyler Veinot]

Reginald;
I am on 2.14.5 (thought I had also installed 2.16.x but I guess I skipped
it). The first thing I noticed is when opening the file my memory usage
doubled and qgis-ltr-bin.exe moved right to the top of the processes list.
I didn't get any hang-ups but I feel I may have gotten close. Did you try
using the clip function without adding the layers to the project? My
machine did the clip faster and the result didn't not come in sluggish and
I clipped it by about 1/3.
Tyler

On Tue, Aug 30, 2016 at 10:08 AM, Reginald Carlier <
reginald.carl...@ingelmunster.be> wrote:

> Tyler,
>
>
>
> I downloaded belgium-latest.shp.zip
>
>
>
> Regards,
>
>
>
> Reginald Carlier
> Deskundige GIS
>
> [image: logo Ingelmunster]
>
>
> Gemeente Ingelmunster, Oostrozebekestraat 4, 8770 Ingelmunster
> T +32 51 33 74 39 www.ingelmunster.be
>
> 
> 
> 
> 
> 
>
> *Van:* Tyler Veinot [mailto:tylerkvei...@gmail.com]
> *Verzonden:* dinsdag 30 augustus 2016 15:06
> *Aan:* Reginald Carlier
> *CC:* qgis-user@lists.osgeo.org
>
> *Onderwerp:* Re: [Qgis-user] qgis browser hangs while opening big
> shapefile
>
>
>
> Reginald;
>
> There are 2 download options, I would like to test the one you downloaded.
>
> Which one did you download, latest of latest free?
>
> Tyler
>
>
>
> On Tue, Aug 30, 2016 at 9:23 AM, Reginald Carlier  ingelmunster.be> wrote:
>
> Hi Tyler,
>
>
>
> The shape can be downloaded from this link:
>
> http://download.geofabrik.de/europe/belgium.html
>
> I used Belgium-latest.shp
>
>
>
> Greetings,
>
>
>
> Reginald Carlier
> Deskundige GIS
>
> [image: logo Ingelmunster]
>
>
> Gemeente Ingelmunster, Oostrozebekestraat 4, 8770 Ingelmunster
> T +32 51 33 74 39 www.ingelmunster.be
>
> 
> 
> 
> 
> 
>
> *Van:* Tyler Veinot [mailto:tylerkvei...@gmail.com]
> *Verzonden:* dinsdag 30 augustus 2016 13:53
> *Aan:* Reginald Carlier
> *Onderwerp:* Re: [Qgis-user] qgis browser hangs while opening big
> shapefile
>
>
>
> Reginald;
>
> Can you send the shape?
>
> Tyler
>
>
>
> On Tue, Aug 30, 2016 at 6:40 AM, Reginald Carlier  ingelmunster.be> wrote:
>
> Hi,
>
>
>
> I downloaded the latest shapefile of OSM for Belgium.
>
> When I open QGIS browser and point to the buildings.shp (size : 325959kB)
> the application hangs, so I can’t change the CRM.
>
> I also tried clipping the buildings.shp with a polygon shape of a town but
> that resulted in the same unresponsive behavior.
>
> I’m using QGIS 2.16.1.
>
>
>
> Regards,
>
> Reginald Carlier
> Deskundige GIS
>
> [image: logo Ingelmunster]
>
>
> Gemeente Ingelmunster, Oostrozebekestraat 4, 8770 Ingelmunster
> T +32 51 33 74 39 www.ingelmunster.be
>
> 
> 
> 
> 
> 
>
>
> ___
> Qgis-user mailing list
> Qgis-user@lists.osgeo.org
> List info: http://lists.osgeo.org/mailman/listinfo/qgis-user
> Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-user
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>
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Re: [Qgis-user] Extend lines to lines

[Saber Razmjooei]

Hi Tyler,

 

Using v.distance from GRASS:

https://grass.osgeo.org/grass70/manuals/v.distance.html

 

>From the link above:

“dmin and/or dmax can be used to limit the search radius”

 

Hope that helps.

 

Regards,

Saber

 

Saber Razmjooei
  www.lutraconsulting.co.uk



From: Qgis-user [mailto:qgis-user-boun...@lists.osgeo.org] On Behalf Of Tyler 
Veinot
Sent: 30 August 2016 14:13
To: qgis-user@lists.osgeo.org
Subject: [Qgis-user] Extend lines to lines

 

All;

Been struggling with this one for a while and have used commands in both; 
Python, QGIS, Spatialite, and Esri (Basic).

I separated all my mains and all my laterals into 2 files (Line types), I am 
now finding that some of my laterals do not intersect my mains. I want to 
systematically extend all my laterals to my mains, too many to go through 
manually. 

I tried turning my mains to points and use snapping to point, tried converting 
the laterals to point and snap the start point to the main then rebuild the 
lines, tried using nearest neighbor to get the closest intersect locations and 
a number of plugins. 

I need away to snap the closest end of a lateral to a main that is within x 
meters of the main (to avoid snapping laterals to the wrong main). 

Any suggestions?

Tyler



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http://www.lutraconsulting.co.uk/downloads/Lutra%20Consulting%20Standard%20Terms%20and%20Conditions.pdf
 shall apply unless explicitly stated otherwise.

Saber Razmjooei and Peter Wells trading as Lutra Consulting.

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[Qgis-user] Extend lines to lines

[Tyler Veinot]

All;
Been struggling with this one for a while and have used commands in both;
Python, QGIS, Spatialite, and Esri (Basic).
I separated all my mains and all my laterals into 2 files (Line types), I
am now finding that some of my laterals do not intersect my mains. I want
to systematically extend all my laterals to my mains, too many to go
through manually.
I tried turning my mains to points and use snapping to point, tried
converting the laterals to point and snap the start point to the main then
rebuild the lines, tried using nearest neighbor to get the closest
intersect locations and a number of plugins.
I need away to snap the closest end of a lateral to a main that is within x
meters of the main (to avoid snapping laterals to the wrong main).
Any suggestions?
Tyler
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Re: [Qgis-user] qgis browser hangs while opening big shapefile

[Reginald Carlier]

Tyler,

I downloaded belgium-latest.shp.zip

Regards,


Reginald Carlier
Deskundige GIS

[http://www.ingelmunster.be/ingelmunster.gif]

Gemeente Ingelmunster, Oostrozebekestraat 4, 8770 Ingelmunster
T +32 51 33 74 39 www.ingelmunster.be

[http://www.ingelmunster.be/fb.jpg] 
[http://www.ingelmunster.be/go.jpg]   
[http://www.ingelmunster.be/in.jpg]   
[http://www.ingelmunster.be/pi.jpg]   
[http://www.ingelmunster.be/tw.jpg] 
Van: Tyler Veinot [mailto:tylerkvei...@gmail.com]
Verzonden: dinsdag 30 augustus 2016 15:06
Aan: Reginald Carlier
CC: qgis-user@lists.osgeo.org
Onderwerp: Re: [Qgis-user] qgis browser hangs while opening big shapefile

Reginald;
There are 2 download options, I would like to test the one you downloaded.
Which one did you download, latest of latest free?
Tyler

On Tue, Aug 30, 2016 at 9:23 AM, Reginald Carlier 
mailto:reginald.carl...@ingelmunster.be>> 
wrote:
Hi Tyler,

The shape can be downloaded from this link:
http://download.geofabrik.de/europe/belgium.html
I used Belgium-latest.shp

Greetings,


Reginald Carlier
Deskundige GIS

[http://www.ingelmunster.be/ingelmunster.gif]

Gemeente Ingelmunster, Oostrozebekestraat 4, 8770 Ingelmunster
T +32 51 33 74 39 
www.ingelmunster.be

[http://www.ingelmunster.be/fb.jpg] 
[http://www.ingelmunster.be/go.jpg]   
[http://www.ingelmunster.be/in.jpg]   
[http://www.ingelmunster.be/pi.jpg]   
[http://www.ingelmunster.be/tw.jpg] 
Van: Tyler Veinot [mailto:tylerkvei...@gmail.com]
Verzonden: dinsdag 30 augustus 2016 13:53
Aan: Reginald Carlier
Onderwerp: Re: [Qgis-user] qgis browser hangs while opening big shapefile

Reginald;
Can you send the shape?
Tyler

On Tue, Aug 30, 2016 at 6:40 AM, Reginald Carlier 
mailto:reginald.carl...@ingelmunster.be>> 
wrote:
Hi,

I downloaded the latest shapefile of OSM for Belgium.
When I open QGIS browser and point to the buildings.shp (size : 325959kB) the 
application hangs, so I can’t change the CRM.
I also tried clipping the buildings.shp with a polygon shape of a town but that 
resulted in the same unresponsive behavior.
I’m using QGIS 2.16.1.

Regards,

Reginald Carlier
Deskundige GIS

[http://www.ingelmunster.be/ingelmunster.gif]

Gemeente Ingelmunster, Oostrozebekestraat 4, 8770 Ingelmunster
T +32 51 33 74 39 
www.ingelmunster.be

[http://www.ingelmunster.be/fb.jpg] 
[http://www.ingelmunster.be/go.jpg]   
[http://www.ingelmunster.be/in.jpg]   
[http://www.ingelmunster.be/pi.jpg]   
[http://www.ingelmunster.be/tw.jpg] 

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Re: [Qgis-user] qgis browser hangs while opening big shapefile

[Tyler Veinot]

Reginald;
There are 2 download options, I would like to test the one you downloaded.
Which one did you download, latest of latest free?
Tyler

On Tue, Aug 30, 2016 at 9:23 AM, Reginald Carlier <
reginald.carl...@ingelmunster.be> wrote:

> Hi Tyler,
>
>
>
> The shape can be downloaded from this link:
>
> http://download.geofabrik.de/europe/belgium.html
>
> I used Belgium-latest.shp
>
>
>
> Greetings,
>
>
>
> Reginald Carlier
> Deskundige GIS
>
> [image: logo Ingelmunster]
>
>
> Gemeente Ingelmunster, Oostrozebekestraat 4, 8770 Ingelmunster
> T +32 51 33 74 39 www.ingelmunster.be
>
> 
> 
> 
> 
> 
>
> *Van:* Tyler Veinot [mailto:tylerkvei...@gmail.com]
> *Verzonden:* dinsdag 30 augustus 2016 13:53
> *Aan:* Reginald Carlier
> *Onderwerp:* Re: [Qgis-user] qgis browser hangs while opening big
> shapefile
>
>
>
> Reginald;
>
> Can you send the shape?
>
> Tyler
>
>
>
> On Tue, Aug 30, 2016 at 6:40 AM, Reginald Carlier  ingelmunster.be> wrote:
>
> Hi,
>
>
>
> I downloaded the latest shapefile of OSM for Belgium.
>
> When I open QGIS browser and point to the buildings.shp (size : 325959kB)
> the application hangs, so I can’t change the CRM.
>
> I also tried clipping the buildings.shp with a polygon shape of a town but
> that resulted in the same unresponsive behavior.
>
> I’m using QGIS 2.16.1.
>
>
>
> Regards,
>
> Reginald Carlier
> Deskundige GIS
>
> [image: logo Ingelmunster]
>
>
> Gemeente Ingelmunster, Oostrozebekestraat 4, 8770 Ingelmunster
> T +32 51 33 74 39 www.ingelmunster.be
>
> 
> 
> 
> 
> 
>
>
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Re: [Qgis-user] qgis browser hangs while opening big shapefile

[Reginald Carlier]

Hi Tyler,

The shape can be downloaded from this link:
http://download.geofabrik.de/europe/belgium.html
I used Belgium-latest.shp

Greetings,


Reginald Carlier
Deskundige GIS

[http://www.ingelmunster.be/ingelmunster.gif]

Gemeente Ingelmunster, Oostrozebekestraat 4, 8770 Ingelmunster
T +32 51 33 74 39 www.ingelmunster.be

[http://www.ingelmunster.be/fb.jpg] 
[http://www.ingelmunster.be/go.jpg]   
[http://www.ingelmunster.be/in.jpg]   
[http://www.ingelmunster.be/pi.jpg]   
[http://www.ingelmunster.be/tw.jpg] 
Van: Tyler Veinot [mailto:tylerkvei...@gmail.com]
Verzonden: dinsdag 30 augustus 2016 13:53
Aan: Reginald Carlier
Onderwerp: Re: [Qgis-user] qgis browser hangs while opening big shapefile

Reginald;
Can you send the shape?
Tyler

On Tue, Aug 30, 2016 at 6:40 AM, Reginald Carlier 
mailto:reginald.carl...@ingelmunster.be>> 
wrote:
Hi,

I downloaded the latest shapefile of OSM for Belgium.
When I open QGIS browser and point to the buildings.shp (size : 325959kB) the 
application hangs, so I can’t change the CRM.
I also tried clipping the buildings.shp with a polygon shape of a town but that 
resulted in the same unresponsive behavior.
I’m using QGIS 2.16.1.

Regards,

Reginald Carlier
Deskundige GIS

[http://www.ingelmunster.be/ingelmunster.gif]

Gemeente Ingelmunster, Oostrozebekestraat 4, 8770 Ingelmunster
T +32 51 33 74 39 
www.ingelmunster.be

[http://www.ingelmunster.be/fb.jpg] 
[http://www.ingelmunster.be/go.jpg]   
[http://www.ingelmunster.be/in.jpg]   
[http://www.ingelmunster.be/pi.jpg]   
[http://www.ingelmunster.be/tw.jpg] 

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[Qgis-user] Issue using time manager to show a line that changes in thickness over time

[Steiginga, Luke]

Hello,

I am running QGIS 2.8.9 and I am currently displaying a line that varies in 
thickness along its length. The entire line is made up of many smaller lines 
each having a different thickness. It was added using a csv file using a WKT 
column that contained the information necessary to make the lines. These 
smaller lines all have different thicknesses corresponding to a numeric value 
that had been previously calculated in the csv file.

This all works as it should.


My problem is that I now want to have this change at different times when I use 
the time manager. In other words, I want the thickness of each line to change 
from one week to another. The csv file has a start time and an end time as 
shown below in columns "Timestamp", and "End Time". The first column contains 
the numbers that I want to indicate the thickness.

Expected x  y   
   WKT  
 TimestampEnd Time
0.0001109-1247455.1  1419954.2
LineString(-1247455.1 1419954.2, -1247455.2 1419954.3) 4/1/2016 
6:004/8/2016 6:00
0.004392  -1247455.2  1419954.3
LineString(-1247455.2 1419954.3, -1247571 1419993)
4/1/2016 6:004/8/2016 6:00



After 4/8/2016 6:00 there are different values for the thickness of the lines 
that I want displayed. These are lower down in the same file. I show a sample 
of what would be in the csv file at this point below:

Expected x  y   
   WKT  
 TimestampEnd Time
0.002145  -1247455.1  1419954.2
LineString(-1247455.1 1419954.2, -1247455.2 1419954.3) 4/8/2016 
6:004/15/2016 6:00
0.003391  -1247455.2  1419954.3
LineString(-1247455.2 1419954.3, -1247571 1419993)
4/8/2016 6:004/15/2016 6:00




Each new week, all columns except the first column remain exactly the same, 
because all I want to do is have the thickness of the line segments change with 
time.

I tried to do this by opening the time manager and adding a layer. I set the 
start time as the "Timestamp" column and the end time as the "End Time" column. 
I am trying to make QGIS display one thickness for the first week and then show 
the second thickness for the second week and so on.

I would have expected this to work, but instead the layer doesn't show up on 
the map at all after doing this.

Could someone please tell me what I am doing wrong or how I could possibly 
resolve this issue?

Thanks,
Luke



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[Qgis-user] Fwd: [R-sig-Geo] ArcGIS File Geodatabase Format

[Michael Treglia]

Hi All,
the below e-mail came across the r-sig-geo listserv, but thought it would
be of interest to QGIS users too.
Best,
mike


-- Forwarded message --
From: Richard Barnes 
Date: Mon, Aug 29, 2016 at 4:58 PM
Subject: [R-sig-Geo] ArcGIS File Geodatabase Format
To: r-sig-...@r-project.org


I've just released C++ source code at https://github.com/r-barnes/Ar
cRasterRescue for extracting raster data from the ArcGIS File Geodatabase
(gdb) format.

Additional work, as outlined in the README.md file, needs to be done to
extend the kinds of compression the code handles, deal with issues of
endianness (the code has only been tested on a little endian system), and
better extract geotransforms and CRSs, but the program is serviceable.

I've got what I need out of this, so I don't anticipate putting too much
more active development into the program myself, but wanted to make the
community aware of it in case there are others who can benefit from it.

Best regards,
Richard

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Re: [Qgis-user] Compare and the most value

[Bia]

2 questions:
1) in the field calculator as I can, for example, find the greatest value
of a column?

2) Can I compare different tables (different shapfiles) to for example
obtain a value of contamination concentration in tables with different
concentrations and dates?

Tanks!

2016-08-30 9:20 GMT-03:00 Bia :

> 2 questions:
> 1) in the field calculator as I can, for example, find the greatest value
> of a column?
>
> 2) Can I compare different tables (different shapfiles) to for example
> obtain a value of contamination concentration in tables with different
> concentrations and dates?
>
> Tanks!
>
> 2016-08-30 8:55 GMT-03:00 Tyler Veinot :
>
>> Bia;
>> Compare in what way? You can export the sheets to CSV or DBF and add them
>> to your project, from there you can join common data types, use the field
>> calculator to manipulate the data, display XY coordinates.
>>
>> On Tue, Aug 30, 2016 at 7:19 AM, Bia  wrote:
>>
>>> Good morning!
>>> Is there a way to compare different spreadsheets data in qgis?
>>>
>>> Tk u
>>>
>>> ___
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>>>
>>
>>
>
>
> --
> Bea
>



-- 
Bea
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Re: [Qgis-user] Compare and the most value

[Tyler Veinot]

Bia;
Compare in what way? You can export the sheets to CSV or DBF and add them
to your project, from there you can join common data types, use the field
calculator to manipulate the data, display XY coordinates.

On Tue, Aug 30, 2016 at 7:19 AM, Bia  wrote:

> Good morning!
> Is there a way to compare different spreadsheets data in qgis?
>
> Tk u
>
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Re: [Qgis-user] QGIS 2.16 - Rule based labelling

[Neumann, Andreas]

Hi, 

I just discovered this same problem when editing the source of an HTML
frame today. Newly introduced expressions aren't properly kept when
edited in the expression editor. Only when edited directly in the item
property. 

Andreas 

On 2016-08-30 10:58, Chris Buckmaster wrote:

> Hi Benjamin 
> 
> Yes the workarounds are fine for my uses and I will report this as a bug. 
> 
> Many thanks, Chris 
> 
> FROM: fuenfer-koenigstein.benja...@swm.de 
> [mailto:fuenfer-koenigstein.benja...@swm.de] 
> SENT: 30 August 2016 09:57
> TO: Chris Buckmaster; qgis-user@lists.osgeo.org
> SUBJECT: AW: QGIS 2.16 - Rule based labelling 
> 
> Hi Chris, 
> 
> yes, now I can confirm. I forgot to test the expression builder. The issue 
> occurs, as you said, only when I change the rule in the 'expression string 
> builder' window. A workaround might be to create the expression in 
> 'expression string builder' window, copy it and paste it into the 'filter' 
> text field which retains the text. Or you could change the expression in 
> expression builder, OK, type a blank and delete it again in 'edit rule' 
> window, then the expression is retained. Anyway, I think it would be good to 
> report the bug on http://hub.qgis.org/issues. 
> 
> Regards 
> 
> Benjamin Fünfer-Königstein 
> 
> S-IP-AN-TG Techn. Geschäftsfelder 
> 
> VON: Chris Buckmaster [mailto:chris.buckmas...@runnymede.gov.uk] 
> GESENDET: Dienstag, 30. August 2016 10:21
> AN: Fuenfer-Koenigstein.Benjamin S-IP-AN-TG; qgis-user@lists.osgeo.org
> BETREFF: RE: QGIS 2.16 - Rule based labelling 
> 
> Hi Benjamin 
> 
> My process is as follows… 
> 
> Using a point dataset from PostGIS, and the rule based labelling for Labels. 
> 
> My rule says "CLASSIFICA" = 'Woodland Or Forest' AND "FONTHEIGHT" = 'Small', 
> with this I also have a scale range included. 
> 
> When I try to change this (for example to "FONTHEIGHT" = 'Medium'), I click 
> on the browse button next to 'Test', I then manually alter the text within my 
> expression from 'Small' to 'Medium'. 
> 
> I OK this - back at the 'Edit rule window', I do see that the text has 
> changed to 'Medium', I then click OK but back at my rule based labelling 
> screen the text still says 'Small'. 
> 
> If I decide to change the expression from the 'Edit rule' window and not open 
> the expression, it does retain the change, so there looks to be an issue 
> (from my set up anyway) where it is not storing any changes within the 
> expression window. 
> 
> I am using QGIS 2.16.1. 
> 
> Thanks, Chris 
> 
> FROM: fuenfer-koenigstein.benja...@swm.de 
> [mailto:fuenfer-koenigstein.benja...@swm.de] 
> SENT: 30 August 2016 09:03
> TO: Chris Buckmaster; qgis-user@lists.osgeo.org
> SUBJECT: AW: QGIS 2.16 - Rule based labelling 
> 
> Hi Chris, 
> 
> cannot confirm this behavior, my expressions are retained, both when I type 
> them directly in the rule-list and when I type them in the "edit rule" 
> window. I'm using 2.16.2. Can you give more details, e.g. what does your rule 
> look like, what buttons do you use exactly, so I can try exactly the way you 
> do? Did you try the "Test" button in edit rule window to find out if your 
> expression works/makes sense? 
> 
> Regards
> 
> Benjamin Fünfer-Königstein 
> 
> S-IP-AN-TG Techn. Geschäftsfelder 
> 
> VON: Qgis-user [mailto:qgis-user-boun...@lists.osgeo.org] IM AUFTRAG VON 
> Chris Buckmaster
> GESENDET: Freitag, 26. August 2016 13:28
> AN: qgis-user@lists.osgeo.org
> BETREFF: [Qgis-user] QGIS 2.16 - Rule based labelling 
> 
> Hi 
> 
> I am using the rule based labelling in QGIS 2.16 and am noticing that when I 
> go into a rule then choose the filter and put my expression in, when 
> confirming this it does not retain my expression. 
> 
> Is this a known issue or perhaps something wrong with the workflow I am 
> using? 
> 
> Thanks, Chris 
> 
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[Qgis-user] Compare and the most value

[Bia]

Good morning!
Is there a way to compare different spreadsheets data in qgis?

Tk u
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[Qgis-user] qgis browser hangs while opening big shapefile

[Reginald Carlier]

Hi,

I downloaded the latest shapefile of OSM for Belgium.
When I open QGIS browser and point to the buildings.shp (size : 325959kB) the 
application hangs, so I can't change the CRM.
I also tried clipping the buildings.shp with a polygon shape of a town but that 
resulted in the same unresponsive behavior.
I'm using QGIS 2.16.1.

Regards,

Reginald Carlier
Deskundige GIS

[http://www.ingelmunster.be/ingelmunster.gif]

Gemeente Ingelmunster, Oostrozebekestraat 4, 8770 Ingelmunster
T +32 51 33 74 39 www.ingelmunster.be

[http://www.ingelmunster.be/fb.jpg] 
[http://www.ingelmunster.be/go.jpg]   
[http://www.ingelmunster.be/in.jpg]   
[http://www.ingelmunster.be/pi.jpg]   
[http://www.ingelmunster.be/tw.jpg] 
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Re: [Qgis-user] QGIS 2.16 - Rule based labelling

[Chris Buckmaster]

Ah cool thanks for the info Nathan, I have assigned my bug report to you.

Thanks

From: Nathan Woodrow [mailto:madman...@gmail.com]
Sent: 30 August 2016 10:37
To: Chris Buckmaster
Cc: fuenfer-koenigstein.benja...@swm.de; qgis-user@lists.osgeo.org
Subject: Re: [Qgis-user] QGIS 2.16 - Rule based labelling

Hey Chris,

I have confirmed this for the dialog based editor.  If you use the style dock 
to edit the rule (F7 or the paint brush icon on the layers panel) it doesn't 
happen.

Report it as a bug and assign to me please.

Regards,

On Tue, Aug 30, 2016 at 6:21 PM, Chris Buckmaster 
mailto:chris.buckmas...@runnymede.gov.uk>> 
wrote:
Hi Benjamin

My process is as follows…

Using a point dataset from PostGIS, and the rule based labelling for Labels.

My rule says "CLASSIFICA" = 'Woodland Or Forest' AND "FONTHEIGHT" = 'Small', 
with this I also have a scale range included.

When I try to change this (for example to “FONTHEIGHT” = ‘Medium’), I click on 
the browse button next to ‘Test’, I then manually alter the text within my 
expression from ‘Small’ to ‘Medium’.

I OK this – back at the ‘Edit rule window’, I do see that the text has changed 
to ‘Medium’, I then click OK but back at my rule based labelling screen the 
text still says ‘Small’.

If I decide to change the expression from the ‘Edit rule’ window and not open 
the expression, it does retain the change, so there looks to be an issue (from 
my set up anyway) where it is not storing any changes within the expression 
window.

I am using QGIS 2.16.1.

Thanks, Chris


From: 
fuenfer-koenigstein.benja...@swm.de 
[mailto:fuenfer-koenigstein.benja...@swm.de]
Sent: 30 August 2016 09:03
To: Chris Buckmaster; 
qgis-user@lists.osgeo.org
Subject: AW: QGIS 2.16 - Rule based labelling

Hi Chris,

cannot confirm this behavior, my expressions are retained, both when I type 
them directly in the rule-list and when I type them in the “edit rule” window. 
I’m using 2.16.2. Can you give more details, e.g. what does your rule look 
like, what buttons do you use exactly, so I can try exactly the way you do? Did 
you try the “Test” button in edit rule window to find out if your expression 
works/makes sense?

Regards

Benjamin Fünfer-Königstein
S-IP-AN-TG Techn. Geschäftsfelder

Von: Qgis-user [mailto:qgis-user-boun...@lists.osgeo.org] Im Auftrag von Chris 
Buckmaster
Gesendet: Freitag, 26. August 2016 13:28
An: qgis-user@lists.osgeo.org
Betreff: [Qgis-user] QGIS 2.16 - Rule based labelling

Hi

I am using the rule based labelling in QGIS 2.16 and am noticing that when I go 
into a rule then choose the filter and put my expression in, when confirming 
this it does not retain my expression.

Is this a known issue or perhaps something wrong with the workflow I am using?

Thanks, Chris


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Re: [Qgis-user] QGIS 2.16 - Rule based labelling

[Nathan Woodrow]

Hey Chris,

I have confirmed this for the dialog based editor.  If you use the style
dock to edit the rule (F7 or the paint brush icon on the layers panel) it
doesn't happen.

Report it as a bug and assign to me please.

Regards,

On Tue, Aug 30, 2016 at 6:21 PM, Chris Buckmaster <
chris.buckmas...@runnymede.gov.uk> wrote:

> Hi Benjamin
>
>
>
> My process is as follows…
>
>
>
> Using a point dataset from PostGIS, and the rule based labelling for
> Labels.
>
>
>
> My rule says "CLASSIFICA" = 'Woodland Or Forest' AND "FONTHEIGHT" =
> 'Small', with this I also have a scale range included.
>
>
>
> When I try to change this (for example to “FONTHEIGHT” = ‘Medium’), I
> click on the browse button next to ‘Test’, I then manually alter the text
> within my expression from ‘Small’ to ‘Medium’.
>
>
>
> I OK this – back at the ‘Edit rule window’, I do see that the text has
> changed to ‘Medium’, I then click OK but back at my rule based labelling
> screen the text still says ‘Small’.
>
>
>
> If I decide to change the expression from the ‘Edit rule’ window and not
> open the expression, it does retain the change, so there looks to be an
> issue (from my set up anyway) where it is not storing any changes within
> the expression window.
>
>
>
> I am using QGIS 2.16.1.
>
>
>
> Thanks, Chris
>
>
>
>
>
> *From:* fuenfer-koenigstein.benja...@swm.de [mailto:Fuenfer-Koenigstein.
> benja...@swm.de]
> *Sent:* 30 August 2016 09:03
> *To:* Chris Buckmaster; qgis-user@lists.osgeo.org
> *Subject:* AW: QGIS 2.16 - Rule based labelling
>
>
>
> Hi Chris,
>
>
>
> cannot confirm this behavior, my expressions are retained, both when I
> type them directly in the rule-list and when I type them in the “edit rule”
> window. I’m using 2.16.2. Can you give more details, e.g. what does your
> rule look like, what buttons do you use exactly, so I can try exactly the
> way you do? Did you try the “Test” button in edit rule window to find out
> if your expression works/makes sense?
>
>
>
> Regards
>
>
>
> Benjamin Fünfer-Königstein
>
> S-IP-AN-TG Techn. Geschäftsfelder
>
>
>
> *Von:* Qgis-user [mailto:qgis-user-boun...@lists.osgeo.org
> ] *Im Auftrag von *Chris Buckmaster
> *Gesendet:* Freitag, 26. August 2016 13:28
> *An:* qgis-user@lists.osgeo.org
> *Betreff:* [Qgis-user] QGIS 2.16 - Rule based labelling
>
>
>
> Hi
>
>
>
> I am using the rule based labelling in QGIS 2.16 and am noticing that when
> I go into a rule then choose the filter and put my expression in, when
> confirming this it does not retain my expression.
>
>
>
> Is this a known issue or perhaps something wrong with the workflow I am
> using?
>
>
>
> Thanks, Chris
>
>
>
> ___
> Qgis-user mailing list
> Qgis-user@lists.osgeo.org
> List info: http://lists.osgeo.org/mailman/listinfo/qgis-user
> Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-user
>
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Re: [Qgis-user] QGIS 2.16 - Rule based labelling

[Chris Buckmaster]

Hi Benjamin

Yes the workarounds are fine for my uses and I will report this as a bug.

Many thanks, Chris

From: fuenfer-koenigstein.benja...@swm.de 
[mailto:fuenfer-koenigstein.benja...@swm.de]
Sent: 30 August 2016 09:57
To: Chris Buckmaster; qgis-user@lists.osgeo.org
Subject: AW: QGIS 2.16 - Rule based labelling

Hi Chris,

yes, now I can confirm. I forgot to test the expression builder. The issue 
occurs, as you said, only when I change the rule in the 'expression string 
builder' window. A workaround might be to create the expression in 'expression 
string builder' window, copy it and paste it into the 'filter' text field which 
retains the text. Or you could change the expression in expression builder, OK, 
type a blank and delete it again in 'edit rule' window, then the expression is 
retained. Anyway, I think it would be good to report the bug on 
http://hub.qgis.org/issues.

Regards

Benjamin Fünfer-Königstein
S-IP-AN-TG Techn. Geschäftsfelder

Von: Chris Buckmaster [mailto:chris.buckmas...@runnymede.gov.uk]
Gesendet: Dienstag, 30. August 2016 10:21
An: Fuenfer-Koenigstein.Benjamin S-IP-AN-TG; 
qgis-user@lists.osgeo.org
Betreff: RE: QGIS 2.16 - Rule based labelling

Hi Benjamin

My process is as follows...

Using a point dataset from PostGIS, and the rule based labelling for Labels.

My rule says "CLASSIFICA" = 'Woodland Or Forest' AND "FONTHEIGHT" = 'Small', 
with this I also have a scale range included.

When I try to change this (for example to "FONTHEIGHT" = 'Medium'), I click on 
the browse button next to 'Test', I then manually alter the text within my 
expression from 'Small' to 'Medium'.

I OK this - back at the 'Edit rule window', I do see that the text has changed 
to 'Medium', I then click OK but back at my rule based labelling screen the 
text still says 'Small'.

If I decide to change the expression from the 'Edit rule' window and not open 
the expression, it does retain the change, so there looks to be an issue (from 
my set up anyway) where it is not storing any changes within the expression 
window.

I am using QGIS 2.16.1.

Thanks, Chris


From: 
fuenfer-koenigstein.benja...@swm.de 
[mailto:fuenfer-koenigstein.benja...@swm.de]
Sent: 30 August 2016 09:03
To: Chris Buckmaster; 
qgis-user@lists.osgeo.org
Subject: AW: QGIS 2.16 - Rule based labelling

Hi Chris,

cannot confirm this behavior, my expressions are retained, both when I type 
them directly in the rule-list and when I type them in the "edit rule" window. 
I'm using 2.16.2. Can you give more details, e.g. what does your rule look 
like, what buttons do you use exactly, so I can try exactly the way you do? Did 
you try the "Test" button in edit rule window to find out if your expression 
works/makes sense?

Regards

Benjamin Fünfer-Königstein
S-IP-AN-TG Techn. Geschäftsfelder

Von: Qgis-user [mailto:qgis-user-boun...@lists.osgeo.org] Im Auftrag von Chris 
Buckmaster
Gesendet: Freitag, 26. August 2016 13:28
An: qgis-user@lists.osgeo.org
Betreff: [Qgis-user] QGIS 2.16 - Rule based labelling

Hi

I am using the rule based labelling in QGIS 2.16 and am noticing that when I go 
into a rule then choose the filter and put my expression in, when confirming 
this it does not retain my expression.

Is this a known issue or perhaps something wrong with the workflow I am using?

Thanks, Chris

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Re: [Qgis-user] QGIS 2.16 - Rule based labelling

[Fuenfer-Koenigstein.Benjamin]

Hi Chris,

yes, now I can confirm. I forgot to test the expression builder. The issue 
occurs, as you said, only when I change the rule in the 'expression string 
builder' window. A workaround might be to create the expression in 'expression 
string builder' window, copy it and paste it into the 'filter' text field which 
retains the text. Or you could change the expression in expression builder, OK, 
type a blank and delete it again in 'edit rule' window, then the expression is 
retained. Anyway, I think it would be good to report the bug on 
http://hub.qgis.org/issues.

Regards

Benjamin Fünfer-Königstein
S-IP-AN-TG Techn. Geschäftsfelder

Von: Chris Buckmaster [mailto:chris.buckmas...@runnymede.gov.uk]
Gesendet: Dienstag, 30. August 2016 10:21
An: Fuenfer-Koenigstein.Benjamin S-IP-AN-TG; qgis-user@lists.osgeo.org
Betreff: RE: QGIS 2.16 - Rule based labelling

Hi Benjamin

My process is as follows...

Using a point dataset from PostGIS, and the rule based labelling for Labels.

My rule says "CLASSIFICA" = 'Woodland Or Forest' AND "FONTHEIGHT" = 'Small', 
with this I also have a scale range included.

When I try to change this (for example to "FONTHEIGHT" = 'Medium'), I click on 
the browse button next to 'Test', I then manually alter the text within my 
expression from 'Small' to 'Medium'.

I OK this - back at the 'Edit rule window', I do see that the text has changed 
to 'Medium', I then click OK but back at my rule based labelling screen the 
text still says 'Small'.

If I decide to change the expression from the 'Edit rule' window and not open 
the expression, it does retain the change, so there looks to be an issue (from 
my set up anyway) where it is not storing any changes within the expression 
window.

I am using QGIS 2.16.1.

Thanks, Chris


From: 
fuenfer-koenigstein.benja...@swm.de 
[mailto:fuenfer-koenigstein.benja...@swm.de]
Sent: 30 August 2016 09:03
To: Chris Buckmaster; 
qgis-user@lists.osgeo.org
Subject: AW: QGIS 2.16 - Rule based labelling

Hi Chris,

cannot confirm this behavior, my expressions are retained, both when I type 
them directly in the rule-list and when I type them in the "edit rule" window. 
I'm using 2.16.2. Can you give more details, e.g. what does your rule look 
like, what buttons do you use exactly, so I can try exactly the way you do? Did 
you try the "Test" button in edit rule window to find out if your expression 
works/makes sense?

Regards

Benjamin Fünfer-Königstein
S-IP-AN-TG Techn. Geschäftsfelder

Von: Qgis-user [mailto:qgis-user-boun...@lists.osgeo.org] Im Auftrag von Chris 
Buckmaster
Gesendet: Freitag, 26. August 2016 13:28
An: qgis-user@lists.osgeo.org
Betreff: [Qgis-user] QGIS 2.16 - Rule based labelling

Hi

I am using the rule based labelling in QGIS 2.16 and am noticing that when I go 
into a rule then choose the filter and put my expression in, when confirming 
this it does not retain my expression.

Is this a known issue or perhaps something wrong with the workflow I am using?

Thanks, Chris

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Re: [Qgis-user] QGIS 2.16 - Rule based labelling

[Chris Buckmaster]

Hi Benjamin

My process is as follows...

Using a point dataset from PostGIS, and the rule based labelling for Labels.

My rule says "CLASSIFICA" = 'Woodland Or Forest' AND "FONTHEIGHT" = 'Small', 
with this I also have a scale range included.

When I try to change this (for example to "FONTHEIGHT" = 'Medium'), I click on 
the browse button next to 'Test', I then manually alter the text within my 
expression from 'Small' to 'Medium'.

I OK this - back at the 'Edit rule window', I do see that the text has changed 
to 'Medium', I then click OK but back at my rule based labelling screen the 
text still says 'Small'.

If I decide to change the expression from the 'Edit rule' window and not open 
the expression, it does retain the change, so there looks to be an issue (from 
my set up anyway) where it is not storing any changes within the expression 
window.

I am using QGIS 2.16.1.

Thanks, Chris


From: fuenfer-koenigstein.benja...@swm.de 
[mailto:fuenfer-koenigstein.benja...@swm.de]
Sent: 30 August 2016 09:03
To: Chris Buckmaster; qgis-user@lists.osgeo.org
Subject: AW: QGIS 2.16 - Rule based labelling

Hi Chris,

cannot confirm this behavior, my expressions are retained, both when I type 
them directly in the rule-list and when I type them in the "edit rule" window. 
I'm using 2.16.2. Can you give more details, e.g. what does your rule look 
like, what buttons do you use exactly, so I can try exactly the way you do? Did 
you try the "Test" button in edit rule window to find out if your expression 
works/makes sense?

Regards

Benjamin Fünfer-Königstein
S-IP-AN-TG Techn. Geschäftsfelder

Von: Qgis-user [mailto:qgis-user-boun...@lists.osgeo.org] Im Auftrag von Chris 
Buckmaster
Gesendet: Freitag, 26. August 2016 13:28
An: qgis-user@lists.osgeo.org
Betreff: [Qgis-user] QGIS 2.16 - Rule based labelling

Hi

I am using the rule based labelling in QGIS 2.16 and am noticing that when I go 
into a rule then choose the filter and put my expression in, when confirming 
this it does not retain my expression.

Is this a known issue or perhaps something wrong with the workflow I am using?

Thanks, Chris

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Re: [Qgis-user] QGIS 2.16 - Rule based labelling

[Fuenfer-Koenigstein.Benjamin]

Hi Chris,

cannot confirm this behavior, my expressions are retained, both when I type 
them directly in the rule-list and when I type them in the "edit rule" window. 
I'm using 2.16.2. Can you give more details, e.g. what does your rule look 
like, what buttons do you use exactly, so I can try exactly the way you do? Did 
you try the "Test" button in edit rule window to find out if your expression 
works/makes sense?

Regards

Benjamin Fünfer-Königstein
S-IP-AN-TG Techn. Geschäftsfelder

Von: Qgis-user [mailto:qgis-user-boun...@lists.osgeo.org] Im Auftrag von Chris 
Buckmaster
Gesendet: Freitag, 26. August 2016 13:28
An: qgis-user@lists.osgeo.org
Betreff: [Qgis-user] QGIS 2.16 - Rule based labelling

Hi

I am using the rule based labelling in QGIS 2.16 and am noticing that when I go 
into a rule then choose the filter and put my expression in, when confirming 
this it does not retain my expression.

Is this a known issue or perhaps something wrong with the workflow I am using?

Thanks, Chris

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