Software plugins that add functionality to the QGIS package

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2
votes
2answers
49 views

How can I add a second Toolbar Button and Dialog to a QGIS plugin built with Plugin Builder?

I want to create a toolbar with 2 buttons, each button opening a different form. The steps I followed are: Created a plugin using Plugin builder Created a toolbar with 2 buttons by doing the ...
3
votes
0answers
35 views

QGIS canvas refresh & rendering control from plugin?

Plugin Description I have been working on a plugin which essentially doing the same as "GPS information" live tracking but with capability of displaying two GPS streams. I am comparing streams and ...
1
vote
1answer
28 views

Why changes made in QtDeisgner form not shown in QGIS plugin gui?

I have created a plugin in QGIS 2.10.1. After making some modifications in the ui file in Qt Designer and reloaded the plugin or restarted QGIS or restarted the pc these are not incorporated. I cannot ...
3
votes
1answer
87 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 ...
2
votes
1answer
36 views

How do I change the pixel values of raster data from QGIS python plugin

I have been trying my hand at a QGIS plugin. The plug in reads raster layer data into an array, pipes the data to a C++ program, does processing over there, and pipes my results back. After a couple ...
2
votes
2answers
42 views

using PyQGIS to subsample a region of a raster layer's pixel data

I am having trouble sampling multiple pixels from a raster layer at oe time. If I want to sample pixel data from a layer at a particular coordinate I can write. ident = ...
3
votes
1answer
55 views

Selection by adjacent polygon features

I have a large polygon shapefile with lots of features from a model output, I need to remove anomalous features which are joined by a single vertex and part of a cluster of two. (example highlighted ...
5
votes
1answer
67 views

Keep UI Settings for a QGIS plugin

I'm writing a plugin that interacts with external software (hydrological models). One of the dialogs has a lot of entries (parameters to pass to the hydrological software). Once the user has set up ...
5
votes
2answers
747 views

How to access the road graph plugin in python?

I am developing a few scripts in Python for QGIS 1.8 to automate some geo-tasks and one of them would be to calculate the shortest distance from a hospital to each building in a town. I would like to ...
2
votes
1answer
1k views

QGis Plugin Licence

I would like to create a plugin using commercial software. Does the QGis licence permit this? Are there any restrictions on the licence I can choose to apply to my plugin?
18
votes
1answer
252 views

Displaying numbers of single band raster layer in QGIS without additional vector layer?

I wonder if there is a raster symbolizer in QGIS with a label option, that renders the cell values as labels of single band raster layer, a scalar field. The standard raster symbolizer dialog in ...
2
votes
1answer
27 views

Problem using processing.runandload(…)

I'm writing a QGIS plugin using PyQGIS and I have a weird problem. When executing following line of code: processing.runandload("qgis:createpointsalonglines", r"Clipped", 1, 1, 0, r"memory:nodes") ...
1
vote
0answers
25 views

Avoid Crash Minidump while using Semi-Automatic Classification Plugin

I'm using Semi-Automatic Classification Plugin v4.9.5 on QGIS 2.14.3. OS is Windows7 64 bit. After I conduct some analysis by Semi-Automatic Classification Plugin, it is always shown "Crash ...
3
votes
2answers
122 views

Removing layers with zero features from QGIS

I have more than 100 layers loaded in map canvas. Some layers don't have any feature. I would like to delete all layer with zero feature count. Is it possible to get a script which can delete all ...
2
votes
1answer
42 views

How to render mixed geometry from one table?

I have a table in postgresql with mixed geometry, but it is not accessible in QGIS. I am running QGIS version 2.8.2. Is there any plugin to install for QGIS to render multiple geometry?
1
vote
0answers
22 views

QGis Graphic Query builder for PostGis

My question is about availabe QGis Plugins that could help me with the following issue: I have a PostGis database that has one shapefile as a main table and a lot of tables containing the shapefile's ...
0
votes
1answer
202 views

How to suppress advanced digitizing tool window

I'm using QGis for years but suddenly I stuck with something that I'm sure it's an easy fix. Every time I start to create a new feature, the Advanced Digitizing tool window pops up. Do you know how to ...
0
votes
0answers
33 views

Is it possible to create an .ui file from .py file? [closed]

By applying the following pyuic4 -o filename.py filename.ui from an *.ui file I take the corresponding *.py file. Is there a way to do the oposite?
3
votes
0answers
31 views

Import DGN file with QGIS

I want to open my V8 dgn file with qgis without any loss of informations. Please, do you know an extension supported by QGIS to do this job.
3
votes
1answer
143 views

How to add loading bar in QGIS Plugin development?

Every time i use tool or plugin in QGIS, i saw a kind of bar like this for indicating loading progress : The different between that bar and Progress Bar is that progress bar will increase until our ...
0
votes
0answers
24 views

Seeking marketplace intended to commercialize QGIS applications?

If we want to sell general application such as website theme, plugins, mobile app, game, etc, we can use envato marketplace, google play store, or other marketplaces for selling and buying ...
2
votes
1answer
45 views

No Grass plugin in plugin manager in Qgis 2.14 on windows 7

I would like to use the v.net.path algorithm from grass7 with processing into qgis 2.14. It's on my new laptop with windows 7 where I installed qgis 2.14.2 desktop with grass 7.0.3. But I don't find ...
1
vote
0answers
29 views

Setting icon for the submenu items in QGIS

I had added a new menu item as well as submenu item using the below code. I had succeeded in setting icon for all the submenus(HeatMapAnalysis,Buffer and Intersect.) But i cant able to set icon for ...
1
vote
1answer
32 views

export to microstation with qgis error

I want to export my SHPFile into microstation dgn using qgis. But when, I do click right on layer and save as... This message error shows "L'export du fichier vectoriel a échoué. Erreur : La création ...
3
votes
1answer
76 views

Script that runs automatically from the QGIS Python Console when QGIS starts, using schedule tasks on Windows 10

I'm working with QGIS 2.8 and windows 10. Is it possible that after open QGIS using the schedule tasks from windows 10, I could open the python console and run a script within QGIS programmatically. ...
1
vote
0answers
16 views

Getting QGIS SLD From OpenStreetMap

QGIS has a pluging called OpenLayers. From that plugin, we can get a very pretty map. I have downloaded some shapefiles for the region (a city in my case) I am targetting. When I put the shape files ...
0
votes
1answer
15 views

QGIS crashes when using heatmap plugin

I am using QGIS 2.14.1 in Ubuntu 15.04 and when i click Raster -> HeatMap -> HeatMap. My QGIS crashes and closes automatically even there is a point layer loaded in the canvas(HeatMap Plugin expects a ...
2
votes
1answer
25 views

Triggerring HeatMap Plugin using Python

I am trying to access heatmap plugin from Raster -> HeatMap -> HeatMap using PyQGIS.If my custom button is clicked, the heatmap plugin dialog box should opens.I know the heatmap is a c++ plugin.Is it ...
9
votes
2answers
405 views

Where to report QGIS and QGIS-Plugin bugs?

I often find bugs in QGIS and its Plugins. I would like to ask about this on the internet but I do not seem to find the proper place to address this issue. Are there any instructions?
4
votes
1answer
24 views

How can I optimize layer filtering using setSubsetString or QgsFeatureRequest().setFilterFids(my_indexes)

i'm developping a plugin (under QGis 2.8.1) for traffic assignment where I want to show the results of my simulation at each time step. Right now I'm using Time Manager plugin but it gets very slow ...
5
votes
1answer
51 views

How can I print the text of help(some_method_class) in my QGIS plugin?

I'm developing a QGIS plugin to search classes and classes methods of QGIS. The dir equivalent option it was answered in: How can I access to elements in dir(some_class) of PyQGIS without a ...
4
votes
2answers
78 views

How to populate QTableWidget via plugin?

I am attempting to populate a QTableWidget by adding rows, this is done by the user clicking on the add button: I have the following code to try and insert rows but nothing is happening: def ...
1
vote
0answers
37 views

how to while true in thread for qgis plugin?

I am currently working on qgis plugin that searches for information every 5 seconds from database and refreshes the map. In my first version, I used Qtimer to do this job. However, in my second ...
18
votes
0answers
198 views

Output formats for QGIS Heatmap plugin not appearing in drop-drown in Ubuntu [duplicate]

I've been trying to use the heatmap plugin on QGIS (2.8.2) on Ubuntu(14.04) but the drop down for the output formats doesn't get populated. Selecting the drop-down allows me to press OK on the ...
1
vote
3answers
52 views

QGIS Heatmap by value (NOT by point-densty)

I need a heat map generated by points value irrespective of how close or far apart the points may be in QGIS 2.6.1 So far I'm using the raster/heatmap/heatmap function. I need the same colour to run ...
4
votes
1answer
8k views

make: pyuic4: command not found

I need to develop a QGIS plugin for a project. First, I launched the following command for the installation on Ubuntu 12.04: sudo apt-get update sudo apt-get install qgis sudo apt-get install ...
1
vote
1answer
26 views

Compiling QGIS 2.14 32 bit with Visual Studio

I have two plugins for QGIS 2.8 32 bit until now compiled in Visual Studio 2008. Now I want to bring them up to QGIS 2.14 32 bit, but get error message in compiling because Error C2065: 'nullptr' ...
1
vote
0answers
20 views

scale polygon in Qgis [duplicate]

The task is to scale a polygon in QGIS. The procedure is performed tracing the polygon and then apply a scaling factor ( the factor used is " Distance on the ground" / " Distance on map " ) . Both ...
2
votes
1answer
66 views

Create different print composers from different layers added to QGIS

I'm using QGIS 2.8.3 with windows 10. I want to know if it's possible and how to create, using python code, from each layer (in the table of content) a print composer to each one of them. Any ...
3
votes
4answers
192 views

Plugin causes QGIS to crash on startup

I get the message "the plugin will be disabled because it crashed QGIS during last startup." Which plugin? None is identified. I'm a bit of a rookie so not sure where to look to solve this. Running on ...
4
votes
6answers
2k views

QGIS plugin: Problems importing resources (resources_rc) file - plugin doasn't load - PATH problems?

I'm building qgis plugin and I can't find solution for this error. File "/usr/lib/python2.7/dist-packages/qgis/utils.py", line 478, in _import mod = _builtin_import(name, globals, locals, ...
3
votes
2answers
35 views

broken plugins with QGIS install

I have been struggling with this for a bit. I recently upgraded my qgis to 2.8.9, and now am having issues with the ftools plugin as well as the processing plugin. When I start qgis, I get this error: ...
2
votes
2answers
195 views

spectral profile for multilayer/time series

I am missing a spectral profile in QGIS which enables me to see the values for all bands of a given pixel. (absolutely necessary for multispectral and multitemporal/time series work) It seems, there ...
4
votes
1answer
58 views

Errror using the Simplipy QGIS plugin: 'QgsRasterLayer' object has no attribute 'selectedFeatureCount'

I am adding a raster in QGIS 2.14.1 and get this new error: AttributeError: 'QgsRasterLayer' object has no attribute 'selectedFeatureCount' I am not programming, just using a QGIS menu. I am using ...
1
vote
0answers
36 views

How to incorporate QGIS custom widgets into plugin? [duplicate]

Developing a plugin with Qt Designer for QGIS 2.14.1-Essen on Windows 7 and having trouble inserting the QgsCollapsibleGroupBox widget. I receive the following error: ImportError: No module named ...
0
votes
1answer
49 views

Exporting Raster from SAGA and importing it to QGIS - error CRS was unidentified

I make raster files from LiDAR las files in SAGA - CRS of .las is Slovenian national Grid. Then i export it as GeoTiff (Import/Export - GDAL/OGR - Export GeoTiff). When i import it into Qgis (Project ...
0
votes
3answers
650 views

Georeferencing window won't open QGIS 2.4

I had the georeferencer window open in QGIS 2.4 while project was running, I accidentally closed the Qgs document with the georeferencing window open (worked absolutely fine till then). When I opened ...
1
vote
1answer
28 views

QuickMapServices It is not for ubuntu?

I'm new using QGis. I read somewhere that QMS was better and more stable than the OpenLayers complement to use Google Maps. My problem is that it does not appear when I search with the plugins ...
0
votes
1answer
186 views

Is it possible to show 3d models using QGIS?

I can show vector layers from PostGIS using QGsMapCanvas and QGsVectorLayer in my standalone application. But now I need to show 3d models, for example 3dmax or sketchup, of some buildings over vector ...
1
vote
1answer
937 views

Opening *.pmf file using QGIS?

I have spatial data that has been put together with ArcGIS for Desktop and exported to me as a .pmf file. How can I use the .pmf file in QGIS? There are about 1000 points and I don't want to have ...