In my desktop QGIS I have a short Python script that opens an HTML page
including arguments (attributes of the selected feature). When I use
QGIS2web to put the project on the web, I would like the user to
trigger that action when he/she clicks on a feature. I would be
grateful for advice
In my desktop QGIS project, I define an "action" that opens an HTML page
and passes parameters to it. I will use qgis2web to move the project to
a web site and would like the web user to trigger that action by
clicking on a feature. Is there a way to do this?
Steve
Adam -
Thanks for your sage advice. Prepending file:// solves my problem
when the target HTML file is on my desktop hard drive. The arguments
are sent and received correctly.
I still have what turns out to be an unimportant problem when the
target HTML file is on the web (I use a
I want to create a situation where clicking on a feature in a vector
layer opens an HTML file and passes several attributes of the feature
to the HTML file. I have successfully created an action which opens the
HTML file, but I can't figure out how to pass the arguments.
My action
Hi Harrissou,
YES ! You've solved my problem and taught me something I knew
nothing about.
Many thanks.
Steve
On 6/10/2023 8:57 PM, Harrissou s. wrote:
Hi Stephen,
You seem to have fallen in the annotation layer "trap" [0]. There is
no layer behind and polygon deletion is
My intention was to create a new vector layer consisting of several
polygons. I used the CreatePolygon tool to mark the four vertices of a
rectangle. I must have done something wrong because I've ended up with
a polygon that seems to belong to no layer. In desperation I ran the
following
me
> short-term fallout and regressions caused by the change.
Hi,
Thank you for this Nyall.
It certainly makes a big difference on my display: https://imgur.com/a/lAmBaUw
Haven't found any areas where icons continue to be abnormally large
yet, apart from those identified, but will keep an eye out
to realise the
function similar to QChainage, i.e., divide a path into a series of nodes
within it.
Best regards,
Stephen
From: Germán Carrillo
Sent: 2023年3月17日 9:45 PM
To: LI, Xin Stephen [MIT]
Cc: qgis-user@lists.osgeo.org
Subject: Re: [Qgis-user] How to use QGIS plus-ins (QNEAT3, QChainage
to be marked/divided by points with the same
distances.
Do you have some experience about this or any other approaches/packages could
achieve similar functions?
Stephen
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Hi, Sylvain,
Thanks for your suggestions.
Is the qgis-bin.env file in the GQIS/bin dir?
It includes
PATH=C:\OSGeo4W\apps\qgis\bin;
From: PIERRE Sylvain
Sent: 2023年3月13日 4:03 PM
To: PIERRE Sylvain ; LI, Xin Stephen [MIT]
Cc: qgis-user@lists.osgeo.org
Subject: RE: How to set PyQGIS
in the terminal window as follows:
QTemporaryDir: Unable to remove "D:\\Temp\\python-lWnByt" most likely due to
the presence of read-only files.
QTemporaryDir: Unable to remove "D:\\Temp\\python-KrxiSz" most likely due to
the presence of read-only files.
Any suggestions about it?
Best re
The OS is Windows 10,
The QGIS version is 3.28 LTR
The Python version is 3.11
The steps following the steps in stection 1.4.1 for the PyQGIS Cookbook (GQIS
Testing), i.e.
https://docs.qgis.org/testing/en/docs/pyqgis_developer_cookbook/intro.html#python-applications
The "PAHT" and "PYTHONPYTHON"
It turns out that my problem is not getting the map from New York's
DOITT, but in re-projecting it from EPSG:900913 to the project's
EPSG:2263. If I leave it in EPSG:900913 it doesn't disappear. But I
worry that some trouble may result if my basemap has a different CRS
from all the other
My project CRS is EPSG:2263; all 21 layers were created in this project
with CRS EPSG:2263 , which seems appropriate for a public park in
Brooklyn, NY. If I use Google Satellite Hybrid as basemap, everything
looks to be in the right place. I would like to replace the Google
basemap with
layer names.
But I can write a Python script to do that.)
I've never used geopackages. Something new for me to learn.
Cheers,
Steve
On 5/30/2022 3:44 AM, Richard Duivenvoorde wrote:
Hi Stephen,
Wild guessing here (not tested).
I think: GDAL is responsible f
n 5/29/2022 12:03 AM, Phil Wyatt wrote:
Hi Stephen,
You might let us know your operating system and which version of QGIS
you are using because it works as you desire in the latest development
(3.24.3) and Long Term Release versions (3.22.7). It may just be a
matter of updating QGIS.
Cheers
When I write a layer as a shape file, it appears on my C: drive as six
files, all with the same name but different extensions. Then I zip
those six into a single file (xxx.zip). When I reload that layer from
the zip file (Layer > AddLayer > VectorLayer > File > Dataset >
xxx.zip), QGIS is
In case there may be someone out there who is interested in my question,
below is Asim's answer (with one correction he made). When run in the
Python console, this code causes execution of the script to stop and a
window to pop up titled "Execution error" with my explanatory message.
And,
I would like to terminate a Python script gracefully. Both quit() and
exit() not only abort the script but end the entire QGIS app. For
example, if a file I want to read doesn't exist, the following four
lines of code terminate QGIS:
filePath = Path(fName)
if not filePath.is_file():
Please pardon what may be a dumb question from a self- (half-) taught
student of Python. I often steal fragments of code from the internet
(especially including this forum) and sometimes get an error message
like "xxx is not an attribute of yyy" . My problem, I think, is a
missing " from
Sebastian Gutwein wrote:
If you change it to hidden in the layer properties>attribute form>
widget type you won't see it in the identify window or feature form
window.
The default is text.
On Sun, Mar 20, 2022 at 8:18 PM Stephen Sacks via Qgis-user
wrote:
I would like to limit whi
I would like to limit which fields appear in the popup window when I
click on a feature. In the layer's attribute table, I can Hide a field
but it still appears in the popup window when I click a feature with the
Identify tool.
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I'm using qgis2web to move a map from my desktop (QGIS 3.16) to a web
host. It works well except that jpg images, which appear correctly when
I click on point features on the desktop, don't appear on the web .
Instead, the web version tries to execute a link of the form
I'm writing a Python script to load a "qml" style file. The following
two lines work correctly:
lyr1 = iface.activeLayer()
lyr1.loadNamedStyle('xxx.qml')
but the following two lines cause an error message:
lyr2 = instance.parameterAsSource(parameters, "INPUT", context)
I need an orthoimagery basemap layer for a project involving a public
park in Brooklyn, NY. I'm hoping that what I want is at :
https://maps.nyc.gov/tiles/#aerial-layers-tms .
Instructions at: www.maps.nyc.gov/tiles/#qgis
tell me to install a plugin called " TileLayer Plugin". I
Nyall and Nicholas (earlier) and qgis list --
This is fantastic information. I'm going to dive in and see what I can
discover. Automatic conversion of the model to Python script is definitely
neat! Really appreciate this awesome forum and the availability of QGIS!
Best to all,
Steve
On Wed,
On my website is a map created by qgis2web. I need advice on how to
link map features to photos ( jpg files). In desktop QGIS I can put
file:///C:\[folder]\[subfolder]\[filename]
in the attribute table and the user can click on it in the popup. But I
don't know how to reference
I have added to my QGIS project an aerial view from New York City's
Dept of Information Techn (DoITT). My problem is that the output from
qgis2web includes all my layers except the aerial view. DoITT says its
maps are "compatible with most JavaScript web mapping libraries such as
Thanks Phil for your reply. My knowledge of html and Java is minimal.
I need qgis2web to write it for me. I got an aerial view from Mapbox
that looks OK with my polygon and point layers in my desktop QGIS. But
qgis2web crashes unless I select OpenLayers or Leaflet. When I send
the
I want an aerial image from New York City's mapping service (DoITT) to
serve as a basemap for my qgis desktop project. I intend to use
qgis2web to put on the web my map of Brooklyn's Promenade gardens. It
seems that I should be able to click Layer > add Layer > add WMS/WMTS
, but I'll
YES !!! I went back and re-tried several attempts I
had made to get a satellite base map from Mapbox. In every case when I
change the "S" in my Mapbox username from uppercase to lowercase it
works flawlessly.
Thank you Andrea and Jorge (and Ben Hur and Richard who
Hi Jorge,
Thanks for your reply to my request for help in getting a base map
from Mapbox.
I'm using QGIS 3.10.12 - A Coruna on a plain vanilla Dell desktop
running Windows 10.
When I click on the link in your message my Chrome browser opens a
tab showing hundreds of lines of HTML,
For the first time, I'm trying to use a map from Mapbox as a base map in
QGIS. I opened an account at Mapbox.com and made a map there using
their "Satellite streets." I clicked Publish and chose Publicly
available. I copied that map's Style URL and Access token and plugged
them and my
I want my map to be available on a free web host. QGIS2web seems to do a
good job of preparing it for export. My base map is Google Hybrid.
Does that mean I must use Google Cloud as web host? Can I use files
created by QGIS2web on other web hosts ? (Infinityfree, Byethost,
WordPress,
I, too, have been unable to launch QGIS since the recent win10 update.
The message I get is
"Could not load qgis_app.dll . . . The specified module could not
be found. . . . Check C:\ProgramFiles\QGIS3.10\bin\qgis-ltr-bin.env
for correct environment paths"
I looked at the .env file,
Stephen Knox wrote:
I also have this problem. I get:
Failed to fetch https://qgis.org/ubuntugis/dists/bionic/InRelease The
following signatures couldn't be verified because the public key is
not available: NO_PUBKEY F7E06F06199EF2F2
False alarm, I hadn't realised the keys had updated
Automatic
Signing Key (2020)
sig 73F1A14C5E444875 2020-08-08 [User ID not found]
So the key is there, but not being verified for some reason.
Stephen
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consistently accurate location coordinates. And thanks, also to
Falk Huettmann and Bernd Vogelgesang for their replies.
Message from Neil B:
Hello Stephen.
Glad that you're having success. I would like to start off by saying
that it is best to always reply to the mailing list and not directly
I'm mapping the location of trees and plants along the famous Promenade
in Brooklyn, NY. Above a bottom layer of GoogleSatelliteHybrid, I've
drawn polygons representing 35 gardens, and then there are layers for
trees in each garden, plants, etc. The project CRS is EPSG:2263 since
having
Phil -
Thanks for sending that link to a relevant video. I had trouble
using it because of the differences between the 2.8 and 3.0 GUI. But
the video's mention of using moving and rotating tools turned out to
help me solve my problem. Apparently, the "rotation" input box at the
bottom
I am using QGIS 3.4.12-Madeira . I have successfully superimposed a grid
on my map, using two different methods: (1) View > Decorations > Grid
and (2) Vector > ResearchTools > grid . With either method I see the
grid just as I want it. My problem comes in rotating the grid _without
rotating
Dear All,
I am new to this list so please forgive any stupid questions I may ask.
I have been using QGIS for a few years now, but want to extend my data
gathering to an Android tablet (Huawei T3, Android v7.0). To this end I
have downloaded QField and this seems to run fine. I then tried to
Hi Nyall,
sorry, I've made it past this error -- did you see this post?
http://lists.osgeo.org/pipermail/qgis-user/2018-May/042461.html
On 28.05.2018 07:07, Nyall Dawson wrote:
> On 14 May 2018 at 19:30, Stephen <post...@vodacomm.ca> wrote:
>>
>> Automatically setting outp
and give an
appropriate error message.
To me, the obvious fix is to call grassBin() once before line 339, but
maybe that would cause other problems, I don't know.
I'd be grateful for any suggestions.
Cheers
Stephen
On 26.05.2018 00:18, Stephen wrote:
> Hi everyone,
>
> I'm porting s
nodata value...
> 100%
> Using GDAL data type
> Input raster map contains cells with NULL-value (no-data). The value
> -2147483648 will be used to represent no-data values in the input map. You
> can specify a nodata value with the nodata option.
> Exporting raster data to GTiff f
;
> Process finished with exit code 1
On 14.05.2018 11:51, Nyall Dawson wrote:
> On 14 May 2018 at 19:30, Stephen <post...@vodacomm.ca> wrote:
>
>> Without a useful error message, it's very difficult to troubleshoot this
>> on my own.
>
> Is this on master? The e
On 14.05.2018 11:51, Nyall Dawson wrote:
> On 14 May 2018 at 19:30, Stephen <post...@vodacomm.ca> wrote:
>
>> Without a useful error message, it's very difficult to troubleshoot this
>> on my own.
>
> Is this on master? The error messages have been grea
':
'33.91415594546105,41.91384412832699,-4.679722671256611,5.467319665842772',
'input': ,
'GRASS_MIN_AREA_PARAMETER': 0.0001, 'GRASS_SNAP_TOLERANCE_PARAMETER':
-1, 'type': 0, 'output':
'/tmp/processing_da49d2e8c1bd4e249d1a5c6d42680149/5af9540a0b2212'}
context contains:
and feedback contains:
Hi Nyall:
On Tue, Apr 10, 2018 at 2:20 AM, Nyall Dawson <nyall.daw...@gmail.com>
wrote:
> On 10 April 2018 at 01:03, Stephen Bosch <post...@vodacomm.ca> wrote:
>
> > I've tried calling the algorithm this way:
> >
> >> file_grid_r = processing.run("
s:
- Is there up-to-date console documentation for the Processing toolbox
somewhere?
- How can I get a listing of the available algorithms in the same format
as in 2.x?
- How do I convert the algorithm calls (processing.runalg) from 2.x to
3.
appreciate all the development effort that has
gone and is going into QGIS. Thank you.
Kind regards
Stephen Bosch
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me manual configuration.
Stephen
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and on which operating
system.
Have you posted a question on Stack Exchange? If so, please provide a link.
Thanks
Stephen
On Tue, May 30, 2017 at 6:33 PM, Fred Ralston <fredrals...@hotmail.co.uk>
wrote:
> Hi
>
> I have been trying to learn how to use QGIS following the QGIS online
&
/234031
Stephen
On Wed, May 31, 2017 at 10:01 PM, Frank Howell <frankmhow...@gmail.com>
wrote:
> I get the following messages piped back to the terminal when I execute
> QGIS 2.18.9 with ubuntu dependencies. I'm using Linux Mint 2.18.1 with
> Cinnamon x64 3.2.7 and kernal version 4
same error that is occurring when I run processing.runalg, I'm just
guessing.
The processing.log file shows only lines like this:
ALGORITHM|2017-05-29
> 15:22:08|processing.runalg("grass7:r.buffer","/tmp/processingb16daa62fcb94d849f9a63e8bbc25b68/43fe856db3554415bf72198f57873202/G
the output.tif layer.
Note that it does not matter if I specify a target layer or not -- in
neither case is it generated.
The most frustrating aspect here is that there are no useful error messages
I can use to determine what is actually going wrong here. I'd be grateful
for any feedback or assistance.
is the general idea. I will leave it to others to walk you through
the details.
Stephen
On 07/03/2017 11:30 AM, Parker, Jonathon wrote:
New user to QGIS here. Went through some tutorials, had ESRI experience in
distance past. Starting a demonstration project using data from the US
of the features I add to my maps.
I will check out DNRGPS.
Stephen
On 05/03/2017 5:50 PM, Saulteau Don wrote:
i also have a garmin 76csx and have used for a long time, still and for
closely for the same (original post) purpose, and there are some hard
limitations in the device regarding cartographic needs
based on Bing maps, would
not server my purposes.
Thanks for your insights, work and views.
Stephen
On 05/03/2017 3:23 PM, Brent Fraser wrote:
Stephen,
Based on the info from SCRD, I changed the name of Joe Smith Creek
to Molyneux Creek.
Best Regards,
Brent Fraser
On 3/5/2017 3:41 PM
was "This is Wikipedia for Cartography!". Errors
laid upon errors. No use of local knowledge or the Streams shape files
available on the Regional District's site.
That is a can of worms I am not interested in delving into.
Cheers,
Stephen
On 04/03/2017 8:28 PM, Phil (The Geek) W
of a much bigger project. And I only have so much energy.
So, I seek the elegant, simple answer for my GPS map. But, I may just
shelve that project for now.
Thanks for your insights,
Stephen
On 04/03/2017 7:10 PM, Brent Fraser wrote:
Stephen,
I'd recommend having another, closer look
simple maps, that meet my needs, and having them
plotted at a local facility for $15 each, which is cheaper than the
incomplete/error ridden maps that one can purchase. I use these maps to
travel through this area on foot.
Now I wanted a better map for my GPS. So far, no luck.
Stephen
On 04/03
on me.
TIA,
Stephen
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Are you saying that cultural insensitivity is part of list etiquette?
Stephen
On 03/03/2017 6:50 PM, Nyall Dawson wrote:
On 4 March 2017 at 03:30, Boaz Bar Ilan<boazpro...@gmail.com> wrote:
print composer sopped responsing
what to do ?
I'd start by learning some mailin
the Layers panel to make it wider, the Canvass would be
cropped, when I would expect/want it to be compressed.
What am I missing in regards to the size of the Canvass?
Thanks again,
Stephen
On 27/02/2017 10:23 AM, Árni Geirsson wrote:
I'm not sure what went wrong in your process but I would think
.
Maybe I have to get another base map? Or maybe my georeferencing method
was faulty?
Stephen
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data. I see a menu with several choices, consisting
primarily of acronyms I do not understand. I choose one and get another
similar menu. This continues for maybe 6 levels. My 'guesses' at any
level seems like it might give me very different results?
Stephen
On 21/02/2017 8:41 AM, DelazJ
my question is: What must I do to get my map to not export as a Raster?
Thanks for your response,
Stephen
On 21/02/2017 3:34 AM, Richard McDonnell wrote:
Hi Stephen,
Not exactly sure, but It may be that you need to have the *Print as
Raster* option Picked.
Its in *Export Settings* unde
r, which I eliminated, and I do not know
what 'blended modes' might mean, unless it means the 'blended CRS' I
have created in my map?
The raster PDF does not meet my needs.
Stephen
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I no sooner ask my question, then I try 'not selecting' anything in the
'up/on/below' label option. This left the 'on the line' showing a
grayed out check mark. And now my labels are on the line!
Sorry for wasting bandwidth.
Stephen
On 20/02/2017 12:09 PM, Stephen Wandling wrote:
I
I inputted Contour lines from a shape file. I want to put the label
(elevation) on the line.
QGIS 2.18, in Contours/Properties, will not allow me to select 'on the
line' only and will select 'above' the line' also. When I accept this,
it always places it above the line. I am pretty sure I
know I have much more learning ahead of me, but luckily, I love
learning, so that is all good.
Thanks again to everyone who has helped me. I hope to pass on the favour.
Stephen
In Roberts Creek, BC
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use for data.
Stephen
On 15/02/2017 9:10 PM, Nicolas Cadieux wrote:
Hi,
Canada has lots of free stuff including topographic maps. Most topographic
base maps are 1:50k (called canvec) or 1:250k. Provinces usually use 1:20k.
You can search for canmatrix also. Geogratis and geobase web site has
for years to get to the primitive level I now reside on.
The thought of having to learn a whole new software was too daunting, at
least for now.
Thanks again.
Stephen
PS: Can I attach files, such as PDFs on the list?
On 15/02/2017 5:20 PM, Brent Fraser wrote:
Stephen,
I can't speak about BC
They did not mention where they got this data. I do not seem
to find them these days.
If you can point me in the right direction for this data, I will much
appreciate it.
Stephen
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on the link above. I
suppose if you installed this, and checked for updates, it would update
to 2.18.3 and not to 2.12.3?
Can you tell I have just joined the QGIS world today!
Stephen
On 15/02/2017 1:07 PM, Steph Leusink wrote:
Hello,
We have a requirement for QGIS version 2.12.3 (Lyon) but can
I've tried downloading QGIS 2.18.3 several times now, and every time I've
tried to execute the installer, I get the error message that the Installer
integrity check has failed. I've tried most of the suggestions here:
http://nsis.sourceforge.net/Why_do_I_get_NSIS_Error
And so far nothing has
To several people who replied to my request for help in finding a
shapefile of Europe: Thank You ! You've given me what I need.
Steve
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I would be grateful if someone would tell me where I can get a shapefile
for the countries of eastern and western Europe. I want just polygons of
country borders. A few major cities would be nice, but I do NOT need
streets. I'll want to be able to color each country according to my own
list of
@lists.osgeo.org
Subject: Re: [Qgis-user] Python error on startup
Hi,
You need to change your default Python to the one that qgis uses. You can
change that in the windows environment variables
Nicolas
Le 22 nov. 2016 à 14:38, Stephen Ban [via OSGeo.org <http://OSGeo.org> ]
<[hid
ming\Python\Python27\site-packages\numpy\core\__i
nit__.py", line 14, in
from . import multiarray
File "C:/PROGRA~1/QGIS21~1.1/apps/qgis/./python\qgis\utils.py", line 607, in
_import
mod = _builtin_import(name, globals, locals, fromlist, level)
ImportError: DLL load failed: %1 is not
I'm trying to create a layer with features that reflect two attributes.
I want each point to be marked by a circle whose (1) color reflects its
type (city, town, or suburb), and whose (2) size reflects its population.
From layer properties, I first select Style and choose "Categorized"
based
Please excuse a naive question from a new QGIS user.
I have installed QGIS (version 2.14.1-Essen, code revision ea85bef) on
my Dell desktop running Windows 7 Home Premium. I've failed on my very
first task, namely to create a layer using data from OpenStreetMap.
Very carefully following
system. (EPSG :4326, WGS 84)
Can anyone please help? I have been struggling with this for a week and my
brain has come to a brick wall.
Any easy solution and a nudge in the right direction would be much
appreciated.
Yours sincerely
Stephen Routledge
Project Manager
Swamps Rivers Ranges
of the MasterMap
vector database, which causes QGIS to fall over.
Is they a way to restrict the indexing to only index the area that is currently
rendered or a workaround maybe to allow me to snap to the vector data without
having to take a separate extract of the area required each time?
Cheers
Stephen
Sasa Sullivan sass...@gmail.com writes:
I need to prep an Excel spreadsheet. Thousands of names and each name with
multiple locations (some with as few as 3 and others with over 30
locations). Is there a way to make a line item for the name (which is only
listed once initially) based on each
I'm using Qgis 2.2.0-Valmiera 64 bits, on MS Windows 7.
I'm just getting started with Qgis, and GIS in general.
I'm trying to create a map similar to
http://nadp.sws.uiuc.edu/maplib/pdf/mdn/hg_Conc_2011.pdf, with updated
data, and for Kansas only.
I have data in an MS Excel spreadsheet; I can
Stephen Leake stephen_le...@stephe-leake.org writes:
double click on Processing | Toolbox | Models | Example | Contour
lines from points
...
2) This appears to be running a command line executable in a sub-shell;
how do I find out what that executable is, so I can try to run it
directly
always loaded in Lisboa but not in Dufour
Non of my ecw files will load. Can someone please help me with a simple
answer to the problem?
Many thanks in anticipation of getting this software up and working.
Kind regards Stephen Routledge
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worker bee and have no control over the money.
Stephen.
On 28/09/2012 3:12 AM, Andreas Neumann wrote:
Hi,
Currently there are only static solutions for road shields using
marker lines. No way to dynamically fill in road nrs from db fields.
Over at the qgis-dev list we discussed your request
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