Hello QGis User
I have two polygon shapes. The first one gives me fishing areas, i.e.,
several contiguous squares of 20' x 20'. The second shape indicates the
sediment type (mud, sand, etc.). Each type of sediment is a feature of this
second shape and they form a very irregular mosaic.
I want to
Hello,I am currently running QGIS 2.6.1-Brighton on a Mac Air, and I am having
a difficult time figuring out how to attach a label to an attribute value at a
geographic point. For example, for a geographic location I have a value for
System A, and a value for System B. How do I actually
Hello,
I’m using OSX 10.9 with Homebrew (http://brew.sh/) and I have installed GDAL
with Homebrew. If I’m running the PKG QGIS package, it shows the error „GDAL
framework is not installed“. I don’t want to install two types of GDAL, so my
question is, how can I use my Homebrew installed GDAL
I wonder if it’s possible to use variables for colour values, line widths etc?
I have rule-based styling with lots of rules, and I want to change the colour
value in one place and not in every rule that uses the same symbol. I’ve been
using variables a lot in CartoCSS styling, but I really miss
Hi,
Yes, it is.
You want the Data defined properties button, which you'll see when you click
on a style (in 2.6.1, it's at the bottom of the list of style options.
The variables need to be of a specific datatype/structure for each item you
want to style. So Pen Width requires a double. Colour
Hello,
I'm working with qgis 2.6.1 on windows 7 32 BITS
I downloaded OSM vector data from Geofabrik website. I would like clip the
layer called 'roads.shp' lines with a polygon layer. The two layer are in a
same projection (EPSG 27582).
In a 1st time, i converted my layer roads from MULTI PART
Hello,
We have QGIS 2.6 running on a Windows Farm environment. We are currently
testing the installation with a few users to judge stability. We have twice
seen the following:
1. Qgis crashes or ends badly for some reason.
2. Qgis is restarted by the user.
3. The user
Hi Aaron,
Well, the bad news is that this is on the trickier end of the GIS spectrum.
It depends on the exact nature of the conversion you want to perform when
changing to polygon.
http://gis.stackexchange.com/questions/23203/how-to-calculate-raster-statistics-for-polygons
Hi,
I tried to edit a Oracle Spatial (10g) point geometry table with QGIS 2.6.1.
Finished the editing I can't see the point also if a new record is added.
I noticed that the others geometries are loaded in Oracle in the format:
sdo_geometry (2001, srid, null, sdo_elem_info_array (1,1,1),
Hi Heather,
On Tue, 24. Feb 2015 at 13:13:27 +0100, Hillers Heather wrote:
Does anyone have an idea what this problem might be, what kind of diagnostic
I could run, where I could look for clues? This is clearly going to be
really bad if it happens often with all our users on the system. I
Am 24.02.2015 um 07:55 schrieb Ramon Andiñach:
On 24 Feb 2015, at 14:06, Sharon Selvaggio
I start by setting my project CRS.
And make sure OTF is on.
You have no choice of setting a project CRS if OTF is off.
But when I do this with files that have originated from two
different sources
A spatial index will speed it up some. Of course if you have a lot of
data it's going to be slow
Vector Data Management - Create spatial index
On 02/24/2015 08:51 AM, image93 wrote:
Folowing to my previous mmessage...in fact, the process works...but this is
very very slow...how to fast the
Hi,
I agree with Ramon on every point specially the section on if layers don't
line up.nbsp; If you can send some files, we can help more.
Nicolas Cadieux M.Sc.
Les Entreprises Arch#233;otec inc.#160;
8548, rue Saint-Denis Montr#233;al H2P 2H2
T#233;l#233;phone:#160;514.381.5112 #160;Fax:
Folowing to my previous mmessage...in fact, the process works...but this is
very very slow...how to fast the process? i should have create a spatial
index ? If es, how to create a saptial index for my shp with qgis?
--
View this message in context:
Hi,
Instead of adding a new hard field to the data you may also add a
virtual field that you can then use for several data-defined
properties. That will also reflect the changes if the data below
changes. I think this should be pretty much what you want?
Regards,
Matthias
On 02/24/2015 03:17
Hi,
When I use data defined properties, I can set the expression for colour and
width etc.
But what I really want to do is to set the variable once and use the same
variable inside multiple expressions for many symbols in my project.
So I can change the value of that variable in one place, and
Anyone know when will be available? I can not wait :)
Thanks.
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Am 24.02.2015 um 17:12 schrieb Jesús:
Anyone know when will be available? I can not wait :)
You should better wait, there are serious blockers still to be resolved.
Greetings,
André Joost
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Am 24.02.2015 um 18:21 schrieb Michael.Scholz-
3) How can I query the nodata value of a band?? Without being able to
query it, I cannot set it to 0 which would solve all my problems.
gdalinfo should report nodata values, and gdal_translate -a_nodata
should assign a defined value to it.
Hey!
In QGIS 2.6.1 I spent the whole day on the raster calculator for some
super-simple overlay calculations and I'm ending up in rage and fury. I don't
want to complain about the unintuitive syntax. Rather I have some questions:
1) I have two raster with different extents. rasterA entirely
Philipp,
Try setting the path(s) to the [Homebrew installed] GDAL libraries under
Raster-GDAL Tools Settings. See if that makes QGIS happy.
Best,
Paul
On Tue, Feb 24, 2015 at 2:41 AM, Philipp Kraus
philipp.kr...@tu-clausthal.de wrote:
Hello,
I’m using OSX 10.9 with Homebrew
Hi,
I am not a raster math genius but I will give this a shot.
1). In this case all cells outside the extent of rasterB get assigned nodata
which is the default -3.4028234663852886e+38 in my case. Is that correct?#160;
-Yes that is a standard null data for float 16 or float 32 files.#160; It
Hi,
can somebody help me with load a dxf file as a vector layer?
Is QgsDataSourceURI an option? I tried with this code, but I haven't been
lucky.
fitxer=/tmp/prova.dxf
uri = QgsDataSourceURI()
uri.setDatabase(fitxer)
uri.setDataSource('', 'entities', 'OGR_GEOMETRY', OGR_GEOMETRY='POINT',
Hey Simon,
Yes it's a bug that will be fixed in the next patch. Due out soon.
- Nathan
On Wed Feb 25 2015 at 11:59:45 AM Simon waiot...@ihug.co.nz wrote:
I too am having problems with WMTS rendering Linz WMTS service - Windows 7
/ QGIS 2.8
I too am having problems with WMTS rendering Linz WMTS service - Windows 7 /
QGIS 2.8
https://data.linz.govt.nz/services;key=aecb49d4973f4a8ebd1405e19c4c34d7/wmts/1.0.0/layer/2343/WMTSCapabilities.xml
Appears to add the service but nothing is displaying - not retrieving the
tileset/s
Simon
Hi Philipp,
Try:
brew install osgeo/osgeo4mac/qgis-28
This will install the latest QGIS, from the following tap:
https://github.com/OSGeo/homebrew-osgeo4mac
If you want to ensure it is isolated from any Kyngchaos.com install,
install Homebrew's 'python' first.
Regards,
Larry
On Tuesday,
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