Software plugins that add functionality to the QGIS package

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Direction of movement with points2paths in QGIS

I have a data set containing ship movements. I used the Points2paths plugin in QGIS to connect the points with the ship's names as factor and the time the signal was picked up as sorting value. Now I ...
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27 views

How to manage the CRS of Open-Layers plugin in QGIS?

I am working with OpenLayers plugin in QGIS 1.8 but I am not sure on how should I manage thc CRS. The defaul CRS for Googles/Bing layers is WGS84/Pseudo Mercator (EPGS:3857) but I am not sure on the ...
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26 views

How to run and debug PyQGIS scripts in PyCharm Community Edition 3.4.1

I am working with creating plugins for QGIS 2.4.0 (Chugiak). I am curious to know how I can write the codes, and debug them in the environment I am comfortable in, i.e. PyCharm Community Edition ...
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QGIS PointConnector Plugin - x out of x lines not drawn

Unfortunately every try to generate lines between points (.shp) with ids (1-6) and a csv-file with from - to values failed. Maybe you can give me a hint whats wrong with my workflow? 1) I generated a ...
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28 views

How to load territorial maps on QGIS from web?

Is it possible to use QGIS like Google Earth? I need to draw simple shapes on territorial maps. I would like to do that without using multiple files for each part of the Earth. I use QGIS 1.8, but I ...
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12 views

When does iface.mapCanvas().layers() get updated to the contents of QgsMapLayerRegistry.instance().mapLayers()?

Since the topic might be a bit cryptic, I'll try to explain where my problem is. I am currently developing a Qgis-plugin, where I am creating and adding some layers automatically, which I would like ...
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33 views

How does QGIS Identify Features plugin work i.e. what is logic behind it?

I'm new to QGIS and python as well. I need attributes and their values of a selected vector layer, in the similar manner as Identify Feature works only difference is I don't wish to show them in a ...
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24 views

How to move feature using python console in qgis

i am building a qgis plugin that can create as much copies of a selected feature as i want and paste it to my required place.I have code to copy and paste feature select = ...
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39 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 ...
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31 views

Why does QGIS 2.4 prematurely terminates on startup at “Starting Python”?

After reinstalling Python (3.4) as well as OSGeo4W and the QGIS Standalone, my QGIS always crashed when "Starting Python" on my Windows 7 64 Bit environment. It simply did not proceed to the QGIS-GUI ...
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44 views

How to highlight a selected feature in qgis plugin using python [duplicate]

I am working on a plugin that would highlight selected features by changing its color. Can anyone help me regarding this? The plugin searches for required features and once found, I want that those ...
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46 views

Spatialite WITH clause issue

I've encountered an issue: when I try to execute in Spatialite_GUI query that contains WITH clause I get SQL error: near "with": syntax error. Also WITH unlike SELECT and other keywords is not ...
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68 views

QGIS, interpolate along an irregular shape or line to create a DEM

Before anyone marks this as a duplicate, hear me out. This question: Interpolation: irregular shape, merging DEM's asks my question but not for QGIS. Furthermore, the answer is vague and not ...
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1answer
45 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 ...
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70 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): ...
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19 views

Define distances - merge multiple points from QChainage?

I´ve been searching for a tool where I can defineand set any given distance with a point at a line. Although this might not be the an easy way doint it, I use QChainage (Good job!) by adding 1 point ...
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26 views

What Software Quality Control procedures used by QGIS developers?

Does anybody know of a link contains information about Software Quality Control procedures used by QGIS developers?
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55 views

Qtiles on QGIS + QGIS Server

I have just created some tiles on my project on QGIS with the plugin Qtiles; now I get several tiles in .png! My question is, how could put these tiles .png on QGIS Server? Is it possible?
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QMarxan plugin - is there an update for version 2.4?

Is there an update for the QMarxan plugin which at this stage only works on version 1.8.0. I did read on one forum that this was in the process of being developed. Any feedback much appreciated.
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PyQGIS: Coordinates to TextBrowser

I'm doing tutorial: http://www.qgisworkshop.org/html/workshop/plugins_tutorial.html#tie-qgspoint-output-to-the-gui Right now I at the "Tie QgsPoint Output to the GUI". I did everything similar to ...
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21 views

Flow mapper not working

Hi I am trying to run the test files for flow mapper plugin in QGIS but I run into an error message.
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40 views

Compiling custom plugins for QGIS on Windows

I've made my first plugin using plugin builder and I want to compile it. I read that I need two commands to do it under windows: pyuic4 and pyrcc4. But when I use any of these commands I get this: ...
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57 views

Question about ArcGIS vs. QGIS for kernel density estimations

It appears from the QGIS documentation that the Heatmap Plugin can generate a kernel density surface from a point map and make use of the attributes of the original points to influence this surface ...
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How to extract road centreline from delaunay triangulation using open source QGIS? [duplicate]

From some months I have been solving a problem but I cannot finish. My question is, "How can I extract a road centreline from delaunay triangulation using open-source QGIS?" Actually, I am using ...
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57 views

How to open the “File Browse” dialog in Windows from a PyQGIS plugin code?

I am in the process of developing a plugin for QGIS using Python. Note that this is my first plugin, so the query could be quite basic... I have used this Digital Geography link to create the basic ...
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50 views

Adding new Field and writing values for all features

I need to create new Field in Attribute table of vector layer, and afterwards to calculate values and store them in that Field for all features I have in that layer. I have solution which works, but ...
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How to periodically refresh QGIS display with updated shapefiles?

I'm creating updated shapefiles for a fixed set of layers in a project every 15 mins. If the user has that project open in QGIS on a Windows 7 PC, I can't overwrite those shapefiles, so I rename the ...
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164 views

How to install open layers plugin on QGIS 2.4? [duplicate]

I am a new user of QGIS, and I just downloaded the version 2.4 on Windows 7/32 bits. And I seem to encounter several problems: I cannot install openlayers plugin In the "Plugins" tab under "Manage ...
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54 views

Why doesn't QGIS automatically find the new plugin update during startup?

I have done a plugin for QGIS and I made a repository (xml) for the end users to install it. Then, I made a new version and update also my repository file with the new one but Qgis doesn't ...
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59 views

QGIS 2.4 Heatmap Plugin Generates a Solid Black Map

I'm trying to generate a heatmap of vehicle-pedestrian collisions in Los Angeles using data taken from UC Berekely TIMS. TIMS provides an exhaustive database of traffic accidents involving injury in ...
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2answers
54 views

Creating a plugin tutorial

I am looking for a tutorial of how to create a plugin for QGIS. I want a tutorial that: Explains about the latest version of QGIS Working in windows environment. adequate for absolute beginners and ...
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81 views

QGIS Plugin with save settings dialog

I am writing on an update of the qgis2leaf plugin. It would be great to store the settings of the plugin UI (like which checkboxes are checked, which strings are used) in a separate file (like xml or ...
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48 views

How to simplify a multiline geometry in QGIS?

I'm trying to simplify my shapefile, which uses a lot of vertices to represent curvatures, by using the Generalizer plugin. But no matter what threshold I use for Douglas algorithm, it still includes ...
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Is there a QGIS plugin that allows users to interface with a PHP form page?

I've been looking for several days for a QGIS plugin that allows users to interface with a PHP form page. Does anyone know something that works in this way?
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Find Polygon in “Layer A” containing Polygon in “Layer B”

I haven't found yet someone with the same problem, so I'm posting a new question. The topic seems quite standard, so I'm sure there's a way to do it in QGIS. I have two layers: Region Layer Postcode ...
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1answer
26 views

Qgis crash with maptool plugin

I have a qgis plugin (c++) that adds a map tool inherits from QgsMapTool. My tool does nothing, juste I can activate my tool by triggering. I test my plugin in Qgis 2.4; when I activate my tool the I ...
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66 views

Import MySQL data to QGIS with a plugin

Does anyone know about a plugin that can import a MySQL database into QGIS?
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Importing Marxan results using Qmarxan in QGIS 1.8.0

I have used the Qmarxan plugin in QGIS 1.8.0 to create a planning grid for analysis in Marxan (I have used an older version of QGIS because the plugin Qmarxan has not been updated for the latest ...
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Pyqgis, Plugin development issues

I am new in the pyqgis world... I am trying to adapt the Geocoding Plugin developed by Alessandro Pasotti to a new plugin. I have been dealing with the following issues and I think you have the ...
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1answer
24 views

Broken Plugin: EOL while scanning string literal

I've written a python plugin, and it works perfectly on my pc (Windows 7). I've zipped the whole folder and sent it to the client. they report back with this (the name of plugin's folder is LTS): ...
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34 views

QGIS 2.2 - 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 ...
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26 views

Using Space Syntax Analysis plugin for QGIS?

I'm trying to run the Space Syntax Analysis plugin for QGIS. I've added the metadata file that was missing, but it does not appear in the Plugin toolbar when I click on it. Can someone help me to ...
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33 views

QGIS Metatools error

I haven't been able to successfully use the QGIS MetaTools plugin for describing metadata. Has anyone used it before? When I try to create metadata for a shapefile, the plugin creates the xml file but ...
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57 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), ...
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71 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 ...
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32 views

How to do LOS Analysis in QGIS?

I am not able to do LOS analysis in QGIS. I have point Features and Raster SRTM Data. I have installed the LOS Plugin in QGIS but not getting any results. Kindly suggest?
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How can I fix a broken gdal-tools plugin in QGIS?

I have QGIS installed on my 2011 macbook pro and I recently upgraded my OS to 10.9. After the upgrade, I noticed that QGIS gives me this error (see attachment 1) saying that the plugin is not ...
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30 views

How to store a password during one QGIS work session?

I'd like to get into qgis-plugin development, but am rather new to both python and QGIS development. I intend to write a plugin which connects data from a mysql database to shapefiles. As the data is ...
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43 views

Join/append multiple, identical polygon layers into a single layer whilst retaining all attributes?

I have run some analysis (zonalstats) on different raster layers using the same analysis polygons. I want to concatenate all these different layers together, i.e. retain a single polygon and have a ...
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60 views

How to set image size with Image Map Plugin on QGIS 2.4?

I use QGIS 2.4, but I have noticed that the "Set Map/Image Size" feature on the HTML Image Map Plugin no longer seems to work. No matter what you set the "Set Map/Image Size" for, your image will ...