Software plugins that add functionality to the QGIS package

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5
votes
2answers
32 views

Start QGIS with virtualenv Python

is there any means of telling QGIS to use a different Python installation than the default, system-wide one? E.g. use some virtualenv Python /myvirtualenv/bin/python instead of /usr/bin/python? ...
2
votes
2answers
68 views

How to customize the QGIS default GUI using Python?

Is it possible to hide/remove/customize the default UI of QGIS from a Python plugin? I want to add my own menus and toolbars and remove some included by default in QGIS. If it's possible, which ...
3
votes
1answer
118 views

How to prevent users from removing QGIS layers?

I need to prevent users from removing layers. In my plugin code I use the following to achieve that: QgsMapLayerRegistry.instance().layersWillBeRemoved.connect(self.dontremovefunc) def ...
4
votes
1answer
262 views

Snap points to line and calculate chainage using Open source GIS

I have a line layer (representing a pipeline) and a points layer (representing valves) and I would like to calculate the chainage of the valves along the pipeline. I assume that I would first need ...
1
vote
0answers
95 views

Pyqgis 2.2 : How to allow editing on layer and features [on hold]

I'm writing a pyqgis plugin with qgis 2.2 I succeeded in accessing and displaying vector data (geometries & attributes). Now I would like to allow editing for all my layers and all features ...
1
vote
1answer
29 views

PyQGIS: feature added signal throws an error message

For my PyQGIS plugin 2.2, I try to: def logFeatureAdded(self,layerId,addfeatures): message = str(layerId) + " has features added: " for feature in addedFeatures: message += str( ...
4
votes
3answers
99 views

Alternative to OpenLayers plugin for QGIS?

Are there any alternatives to OpenLayers plugin to have Google / Bing maps for QGIS projects? I need an high quality cartography (both aerial and street view) but OpenLayer plugin do not allow to ...
0
votes
1answer
279 views

visualize bounding box to a polygon

I try to make plugin in QGIS that compare 2 bounding box data, ex: (-32.61442167739459, -32.017601026186576, 13.015663782506067, 13.428145228091406) and (-38.6102467739459, -38.017601026186576, ...
2
votes
1answer
23 views

How to display QGIS plugin panel “OSM place search”?

It is possible to hide the panel for the experimental QGIS plug-in 'OSM place search' - but the panel is not listed (to re-display) under the menu item View | Panels. How can it be re-displayed?
4
votes
1answer
36 views

Qgis2Threejs returns empty page

When i try to make 3D scene from DEM with Qgis2threejs it creates a empty html page. I also try to make 3D thematic map from shapefile with the same result. I have also check my browser and it ...
1
vote
1answer
63 views

How to select and zoom in features from a QGIS Python Plugin

I'm very new to Python. I'm trying to find a way to select and zoom to the features from a QGIS layer. I've created a plugin and built a custom form. I have 3 values from the form which I need to ...
1
vote
2answers
45 views

Issue in the popdown box (QComboBox) in QGIS 2.6 Python plugin

I had developed a plugin that counts the number of features for a layer in Qgis2.6. When i load a layer say 'Airport' for first time and click the pop-down box in the plugin,it lists the airport ...
2
votes
0answers
33 views

How do the architecture in qgis plugin creation is linked with eachother using plugin builder?

I am just trying to understand how the architecture or the workflow is linked each other while QGIS Plugin creation using plugin builder. It would be better for me to understand if anyone explains ...
3
votes
2answers
678 views

How to debug 'Layer is not valid error' from Python plugin?

I'm trying to understand what goes wrong with a QGIS python plugin. Basically I'm trying to render a series of POINT. The query works fine, at least giving it by hand from inside PostGIS DB: "SELECT ...
1
vote
2answers
121 views

Georeferencer plugin will not load in QGIS

I have downloaded and installed QGIS. I would like to georeference an image using the core georeference plugin. When loading it no toolbar appears and the 'update', 'reinstall' etc boxes in plugin ...
1
vote
0answers
19 views

Error while creating QGIS plugin

I tried developing a python plugin in QGIS2.6 following the instructions in the link http://anitagraser.com/2014/04/26/getting-started-writing-qgis-2-x-plugins/.When I launch the plugin in QGIS after ...
0
votes
2answers
43 views

Is there scripts of QGIS core plugins available anywhere?

Is there anywhere I can see the scripts of the Qgis core plugins.
1
vote
0answers
19 views

get the ogr_SDE.dll from the MapServer

can please some one give help to get the ogr_SDE.dll from http://www.maptools.org/ms4w/index.phtml?page=home.html I will connect the ArcSDE to my QGis, like that intruction ...
1
vote
1answer
358 views

Polygonizer plugin for QGIS halts in Windows?

I've had some success and some problems using the Polygonizer plugin in the past. I'm using Polygonizer 2.1 in QGIS 1.8 on Windows 7. I'm aware there are sometimes problems using Polygonizer in ...
3
votes
0answers
14 views

Error writing buffered memory layer to shapefile in QGIS

I have created a memory polygon layerin my QGIS plugin. Then I added a buffer based on a point. I can see the ploygon layer in the map canvas and I can save it to a shapefile from the main GUI. But ...
1
vote
2answers
80 views

GEarthView plugin doesn't work

I'm trying to install the GEarthView plugin but without success. The following message pops up after installation: "No module named zope.interface" What is the problem? QGIS 2.6.0 Windows7 (64Bit)
1
vote
1answer
90 views

QGIS Linear Referencing

I'm not sure how to ask this. Essentially; I work for a survey company doing gas lines GIS. We use QGIS. We create hand drawn sketches of pipelines containing all sorts of information including: ...
2
votes
1answer
46 views

Calling canvas.saveAsImage from script in QGis -Qstring problem

I want to create a processing script that saves the QGIS MapCanvas exactly as it is seen on the screen and then Zip up the tifw and a created PRJ. The existing QgsMapCanvas.saveAsImage()-method does ...
1
vote
2answers
100 views

Problems with plugin/installer manager in QGIS 2.6.1 Debian

An error has occured while executing Python code: Traceback (most recent call last): File "/usr/share/qgis/python/pyplugin_installer/installer_data.py", line 460, in xmlDownloaded if ...
-1
votes
0answers
14 views

Python error and can't continue fetching repositories [duplicate]

An error has occured while executing Python code: Traceback (most recent call last): File "C:/PROGRA~2/QGISBR~1/apps/qgis/./python\pyplugin_installer\installer_data.py", line 460, in xmlDownloaded ...
1
vote
0answers
36 views

Python error opening plugin manager in Quantum GIS [duplicate]

I just attempted to update my version of QGIS from something like 2.2.0 (can't remember exactly what it used to be) to 2.6.0 and now encounter an error - copied below - when I try to open the Plugin ...
3
votes
1answer
170 views

”No module named ogr” when installing QGIS plugins

In QGIS 2.6.1, when I try to install the FlowMapper and QGIS Cloud plugins, I get an error - "The plugin is broken. Python said: no module named ogr" - giving me the only option of removing them. ...
1
vote
1answer
52 views

getting a plugin path using Python in QGIS

How to get a plugin path using Python? I tried QgsApplication.pluginPath() I got u'/Applications/QGIS.app/Contents/MacOS/../PlugIns/qgis' But I actually store the plugin in ...
0
votes
0answers
17 views

How can I include a color legend for my marker colors when i used a QgsCategorizedSymbolRendererV2?

I have this function that sets the marker color to a different RGB value depending on the attribute price level. I would like to also add a color legend showing the marker color with the level of the ...
1
vote
1answer
164 views

Export to Open Layers plugin doesn't work with Raster and WMS

i am trying to export a Qgis_2.4 project to openlayers using the "Export to OpenLayers" plugin. I cannot export raster layer. I am not getting any error message, but the raster layer doesn't appear ...
0
votes
0answers
22 views

QGIS 2.6: Globo & Qgis2threejs on Mac OSX Yosemite

I use QGIS 2.6 on my Mac with OsX Yosemite, but plugins globo and qgis2threejs don't run. Can someone help me?
1
vote
2answers
65 views

How to import editable layers from other QGIS projects?

I have a QGIS project that I have spend a lot of time styling over a 80 layers and it seems to have somehow become unstable. I believe that I renamed a folder containing some layer source files which ...
0
votes
0answers
28 views

Problem with Openlayers plugin adn Googlemaps [duplicate]

I have just installed QGIS 2.6.1 and I try to create a new project using googlemaps from Openlayers plugin but I am not able to zoom and move on the map. I have do not set anything so I was surprised ...
-1
votes
0answers
79 views

Error while launching my own plugin in Qgis2.6

I built a plugin using plugin builder in Qgis2.6.The plugin was created successfully and i copied the folder to Qgis plugins folder.Then i made some changes like adding a combo box using QT designer ...
1
vote
0answers
83 views

Opening Esri Personal Geodatabase (*.mdb) using QGIS 2.6?

Is it possible to open an Esri Personal Geodatabase (*.mdb; ArcGIS 10.2) in QGIS 2.6? Previous versions were right.
2
votes
0answers
19 views

What should i do if the Repository tab “Status” was indicating “unavailable”.? (using proxy server)

In the plug in Repository tab. The "Status" was indicating "unavailable". I tried "hawkens" suggestion about the HTTPproxy thing but it didn't work (the network that I am using is a proxy server). ...
2
votes
0answers
16 views

How to load dxf2Shp Converter plugin from the in build python console in QGIS 2.6?

I'm trying to write a script to automate loading of dxf2Shp Converter using the build-in python console. The script should open the pop up of that plug-in. I've tried using ...
0
votes
0answers
15 views

Running SQL on already opened SpatiaLite database

I am updating a plugin in QGIS 2.2 and would like to run sql on a SpatiaLite layer (nodes). The database is already loaded and the table is loaded as a vector layer in QGIS. Is there a way I can ...
4
votes
1answer
92 views

Problem with performance when loading PostGIS layer using pyQGIS

I'm having a question on loading a PostGIS layer into the project from my QGIS plugin. The code is like this: uri1 = qgis.core.QgsDataSourceURI() uri1.setConnection(str(host), str(port), ...
2
votes
0answers
42 views

how to open second window in my plugin for QGIS?

I create a Mainwindow for my plugin, but if I want to open a second window from this Mainwindow, with click on push button. How can I do? I tried the following function in my Main Class: dialog = ...
0
votes
1answer
59 views

QGIS 2.6.1 doesn't load python plugins on Ubuntu after upgrade [duplicate]

I have experienced this scenario once before and now today, whenever I updated my QGIS installation on Ubuntu, it didn't reload python plugins under ~/.qgis2/python/plugins when started, only c++ ...
0
votes
2answers
350 views

How do I successfully install the LecoS plug-in for QGIS 1.8

I have been trying to follow the instructions given here, but repeatedly get an error message pop-up titled "Mount" stating Access is Denied. Does anyone have a solution please?
3
votes
1answer
170 views

How to Install QGIS 2.6 plugins offline

"Due to various IT policies at my workplace, QGIS is installed on a machine (Window 7, 64bits and QGIS 2.6) that is not connected to the internet. I wish to install a couple of QGIS plugins on this ...
20
votes
1answer
15k views

How to install a QGIS plugin when offline?

Due to various IT policies at my workplace, QGIS is installed on a machine that is not connected to the internet. I wish to install a couple of QGIS plugins on this system. I have downloaded the ...
1
vote
4answers
2k views

Python Error Message with OpenLayer Plugin

I have just recently downloaded QGIS version 1.9.90-Alpha, Alpha, 5155176. I then went to install the OpenLayers plugin. That successfully downloaded and installed, or so I thought, but when I went ...
1
vote
1answer
25 views

QGIS plugin select and edit features performance issues

I wrote a plugin for selecting and instant updating the value of the selected feature in the attribute table. I tested with a big shapefile and to select and edit 5 features takes ~5 seconds. Which ...
2
votes
1answer
20 views

Plugin to develop composer attribute tables

I have no experience of plugin development, but I'm wondering if it would be possible to write a plugin that solved the issue of multi-line tables in print composer http://hub.qgis.org/issues/10273 I ...
-4
votes
2answers
31 views

QGIS python QgsApplication.pluginPath() return wrong path in Debian

plugin_path = QgsApplication.pluginPath() return wrong path in Debian /usr/lib/qgis/plugins corect path is : /home/web/.qgis2/python/plugins/ in windows the returned path it's ok.
2
votes
1answer
46 views

QGIS Select overlapped feature

I have points that are not equal but the distance between them is so small that it can't be seen even at scale 200k:1. I calculated the distance between these points and add it as attribute. Now I ...
1
vote
1answer
102 views

Should a GDAL Plugin be the same version as GDAL aready built into QGIS

Should a GDAL Plugin be the same version as the GDAL that's aready built into the QGIS version installed? Or,can another different version of GDAL be built and it installed as a Plugin for QGIS, ...