Software plugins that add functionality to the QGIS package

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3
votes
1answer
371 views

Problem with print composer when exporting a map with Google Maps Plugin in the background

Whenever I try to export a map with the Google Maps plugin in the background, it exports but just exports to a blank document. When I turn the Plugin off so it is not in the background, it prints ...
1
vote
2answers
327 views

How can I get features that satisfy a QgsExpression using PyQGIS?

I have two fields say "State" and "name" which would be get from the two comboboxes. After which, based on the current text in the combo box, I want to make QgsExpression and feature that satisfies ...
2
votes
2answers
64 views

Compute raster math in QGIS plugin

I'm writing a QGIS plugin and I need to create a raster layer as the average of other rasters. How can I do it? I have tried to use gdal_calc.py through os.system, something like: cmd = 'gdal_calc.py ...
6
votes
3answers
869 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 ...
1
vote
0answers
23 views

classFactory error when using QGIS Plugin Reloader

I am developing a QGIS plugin that loads perfectly fine when I open QGIS. I installed the "plugin reloader" plugin to facilitate development. However, when I reload the plugin via the reloader I get ...
2
votes
1answer
448 views

How to find chainage of points using LRS

I have a Shapefile of road that I have converted from a KML file (created on Google Earth) and a txt file containing lat long (from GPS) of points with some attributes. The points are not exactly on ...
1
vote
0answers
53 views

How can I select a layer in Road Graph plugin settings in QGIS?

I am currently using QGIS 2.10.1. and I am not able to select any layer when trying to configure the Road Graph plugin. What should I do?
3
votes
2answers
224 views

OSM Place Search in QGIS not working anymore?

We've used OSM Place Search plugin daily with QGIS 2.2, 2.6 and 2.8 and it's been great. However, it stopped working last week for myself and several other inter-office users. We enter search text, ...
2
votes
0answers
25 views

Unable to permanently turn off time stamp display in QGIS Time Manager

Using QGIS 2.10.1 Time Manager, I wish to permanently turn off the time stamp display for one particular project. In Time Manager Plugin > Settings I uncheck "Display frame start time on map". The ...
6
votes
1answer
1k views

How to create a dropdown menu in QGIS Toolbar with Python

I Have a set of some QAction in my QGIS-Plugin and they are created and added to the toolbar like this icon = QIcon(":/action1.png") self.action1 = QAction(icon, u"Action 1", self.iface.mainWindow()) ...
5
votes
0answers
237 views

How to write an address search plugin?

I am migrating some users from MapInfo to QGIS, and before they sign off on it, they want a very simple address search in the same way that we currently have one working in MapBasic. I;ve been having ...
1
vote
1answer
728 views

OpenLayers plugin in QGIS 2.10.1 Pisa

I've installed QGIS 2.10.1 Pisa on my PC, but I don't have the OpenLayers option in the plugin section (Módulos). And also not appear in the Web section. I've uninstalled it and installed back the ...
2
votes
0answers
52 views

Are there any plugins that have functions like ArcScan in QGIS?

I am looking for a plugin which does raster scanning, like ArcScan. Typical QGIS Vectorization returns very bad outputs that have thousands of 'islands'. Also, can anyone please guide me on how to ...
3
votes
5answers
990 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, ...
4
votes
1answer
58 views

Adding a PyQGIS Plugin to the Database Menu

I am developing a plugin which I would like to add to the Database menu instead of the default Plugins menu. According to the PyQGIS Developer Cookbook all I have to do is add category=Database to ...
2
votes
1answer
126 views

Measure distance between vertices of polylines in QGIS for Desktop

I have this dataset of coordinates of electric lines in the form of vector polylines as shown in the image below, and I need to measure the distance between the first and last vertex of each line and ...
2
votes
0answers
27 views

Plug-in Install troubles

I tried to install following plug-ins into QGIS2.8.(My PC is Win8, 64bit.) *Table Manager *Group Stat But error message says "The Plug-is is broken. Python said: GroupStats instance has no ...
1
vote
0answers
26 views

Qgis -> DXF2ShapeConverter -> Inscriptions in Qgis

Sorry, but this is my first question which very often was asked . It has not yet answered very well. I would like to import a DXF with captions in QGIS. I have already tried this with the DXF ...
1
vote
1answer
35 views

QGIS. OpenLayer problem

I'm a new user of QGIS and Openlayers. I had used it some time ago, then I had to format my PC and reinstall all programs. After this operation, I've found I cannot use Openlayers because the ...
1
vote
2answers
69 views

QGIS GEarthView plugin ReactorAlreadyInstalledError

I've been battling to get this really handy plugin working for some time. When I try installing it from plugin manager, I get the following error: "This plugin is broken 'module' object has no ...
3
votes
2answers
116 views

Measure distances between specific features in QGIS for Desktop

I'm completely new using PyQGIS and developing plugins, and I would appreciate some orientation. Currently I have a layer with the X and Y coordinates of electric distribution poles, where each pole ...
1
vote
2answers
107 views

How can I get the first selection of a layer in a QgsMapLayerComboBox?

I'm developing a very simple QGIS plugin to calculate raster average by using GDAL. It uses a QgsMapLayerComboBox and a filter to select only raster layers. However, it needs to select twice a layer ...
1
vote
1answer
98 views

My plugins crashes with “No module named qgsprojectionselectionwidget” in Windows

My Python QGIS plugin works on Ubuntu (at least for me, and all fatal bugs reported so far are solved), but when I run it on QGIS installed from the official 2.10.1 64-bit installer for Windows (on ...
4
votes
1answer
76 views

Is there a way to locate plugins in the QGIS gui programatically from pyqgis?

I've let my love of shiny new QGIS plugins get the better of me, and I'm finding it difficult to remember which menu / submenu / panel that a given plugin is in. I'm using well over 100 now, and going ...
0
votes
0answers
44 views

Georeferencer does not open when clicked

Since a week my raster georeferencer is not opening when I click it. I have made sure it is checked in the plugins collection and have tried re-installing the newest version of QGIS, yet also in this ...
1
vote
0answers
90 views

QGIS-Python Need to check if layer is in current extent and make it active

I'm putting together a plugin for QGIS. The user inputs a county and a coordinate pair. The plugin then adds in the county data and zooms to the given coordinates. The problem is that there are ...
1
vote
1answer
153 views

QGIS export to OpenLayers Python Error

I am trying to export a map with several Shapefiles from QGIS to an OpenLayers webmap. For that I tryed the "Export to Open Layers" and the "qgis2web" (Version 0.23.0) Plugin. I tried it before (one ...
1
vote
0answers
72 views

Why does the “calculate” button remain gray in Group Stats Plugin?

I'm trying to use the Group Stats Plugin. I found your tutorial and I wanted to post a comment but I have seen that it is not possible then I thought to write here. Unfortunately I can not use the ...
1
vote
2answers
94 views

How to select points within a certain distance from a line?

I have a file with a points layer and a lines layer. I would like to select only the points that lay within certain distance (a couple of meters) of the lines. Is there an easy way to do this? Or ...
2
votes
1answer
55 views

How to add my plugin to Processing?

I made a new plugin for QGIS and I want to include it to the Processing toolbar. I can't find a good hint on how to do it cleanly (applying answer of this question on my algorithms seems dirty). So, ...
1
vote
1answer
171 views

Developing QGIS plugin on Mac - GDAL

I'm developing a plugin for QGIS called DEMtools. It runs fine on my linux machine, but is causing me headaches when run on Mac OS X Mavericks (surprise, surprise). I keep getting segmentation faults ...
2
votes
1answer
4k 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.
1
vote
1answer
91 views

how to install plugin through the python console in QGIS

I have been trying to load/install plugins via the python console in QGIS. After going through the documentation, I'm sure this is the way. I want to check if a plug-in is already installed, if not ...
3
votes
1answer
216 views

When I change a QGIS plugin's icon, why doesn't it change in the menu/toolbar?

I've been writing a QGIS plugin (using the "Plugin Builder" plugin), and decided I wanted to change the icon (icon.png). After running make deploy to rebuild the plugin locally, the new icon appears ...
0
votes
0answers
17 views

How to convert a .style arcgis file to use it in Qgis? [duplicate]

I have a .style file in Arcgis i want to change it to a file to use it in Qgis how to do that ?
2
votes
1answer
90 views

Problem with Distance Matrix in Qgis 2.83

I want to calculate the distance of archaeological sites to the nearest river. Following this question Calculating the minimum distance between points and polygons in QGIS I extracted the nodes of ...
2
votes
2answers
77 views

How can I access to elements in dir(some_class) of PyQGIS without a dictionary in my code?

I'm developing a QGIS plugin to search class methods in the different classes of PyQGIS. I used three widgets: 2 objects of type QLineEdit (for classes and class methods) and one QTextBrowser (for ...
2
votes
1answer
154 views

How to fix QGIS Plugins crashing with “NameError: name 'pyplugin_installer' is not defined”?

I recently switched to Windows 10 and therefor did a clean Windows and QGIS 2.10.1 Install. QGIS worked fine, I reinstalled all Plugins, that I used to have. No Problems. Today I switched on the PC ...
2
votes
1answer
399 views

How to fix “Couldn't load plugin …” and “ImportError: No module named …” in QGIS plugins?

After installation of Quantum GIS I tried to use Table Manager Module, but I can't do it. Here is the message: Nem tudom betölteni a 'tablemanager' modult innen: ['C:/PROGRA~1/Quantum GIS ...
1
vote
1answer
513 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
1answer
30 views

Installing QGIS plugin called profile from line? [duplicate]

i am trying to install a new plugin called profile from line and then this error appear and i dont konow what to do. Couldn't load plugin 'profilefromline' from ...
1
vote
0answers
44 views

Adding to signature list from ROI list does not work?

I'm trying out QGIS with SCP, but I've run into some problems First of all, my setup is as follows: QGIS version 2.10.1-Pisa on Mac OSX Yosemite 10.10.5 compiled and running against qt 4.8.6 ...
1
vote
0answers
56 views

How to refresh or update a vrt layer in Qgis?

When using the QGIS SpreadSheet Layers plugin, how do I update the SQLite query without closing and reopening QGIS? I cannot see a "watch file" equivalent. The plugin creates and uses a *.vrt file ...
2
votes
0answers
82 views

How to develop a QGIS plugin to fully run spatial queries with PostGIS? [closed]

I am developing a QGIS plugin that fully runs spatial queries with PostGIS. I developed all spatial queries which need some adjustment. I am looking for some resources or documents to know how to ...
3
votes
2answers
1k views

How to customize the QGIS 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 ...
2
votes
2answers
696 views

'QgsVectorDataProvider' object has no attribute 'select'

I want to create a tool layer in QGIS 2.4 that will select any vector features that intersect with that point. In my script I tried the following function: def selectFeature(self, point, button): ...
1
vote
1answer
44 views

How to register a broadcast on QGIS to start my plugin on start after loading plugins

I want to perform a default task when user opens QGIS but here I am building it as a python plugin so I want a signal or broadcast to call my plugin. I didn't build QGIS from source my plugin should ...
1
vote
1answer
214 views

Raster menu does not have any tools in QGIS

In the QGIS raster menu only raster calculator is available, how do you get other tools, like wrap (reproject)? Please see the image below.
6
votes
0answers
84 views

How to display charts next to features in the map?

This question is meant to be primarily on QGIS software but all other software solutions are welcome as far as it is possible to achieve it as easy as possible, preferably out of the box. Though the ...
0
votes
0answers
25 views

ORACLE Metadata Table used by QGIS?

When connecting to ORACLE Spatial with QGIS, QGIS Needs a metadata table about all available Geomtry columns in the database. If not provided, QGIS scans all tables with geometry columns wich can ...