Software plugins that add functionality to the QGIS package

learn more… | top users | synonyms

0
votes
0answers
105 views

QGIS 2.0 Plug Repository Connection Failed

I'm trying to connect to the QGIS Official Plugin Repository but the status within the Plugin Manager window is always"unavailable" for the URL - http://plugins.qgis.org/plugins/plugins.xml. I'm ...
0
votes
1answer
19 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 ...
1
vote
2answers
680 views

QGis 2.0.1 mapserver extension missing

I tried to export my Qgis projects to mapserver, using RT mapserver extension, because there is not any other extension in my version of QGis.(QGis 2.0.1 Dufour on ubuntu 12.04 LTS). After installing ...
0
votes
1answer
18 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 ...
1
vote
0answers
8 views

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 ...
1
vote
1answer
25 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 ...
0
votes
1answer
194 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, ...
0
votes
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 ...
1
vote
3answers
392 views

How to select features of visible layers in QGIS

In QGIS 1.8 I used plugin "Select features of visible layers by rectangle" to know the layer that owns a visible feature. In QGIS 2.0.1 this plugin is no more available. I wonder if it is possible to ...
0
votes
1answer
10 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 ...
1
vote
2answers
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 ...
2
votes
0answers
22 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 = ...
2
votes
0answers
36 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 ...
2
votes
1answer
43 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 ...
4
votes
1answer
54 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 ...
2
votes
2answers
65 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 ...
1
vote
1answer
30 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 ...
3
votes
1answer
44 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 ...
0
votes
1answer
91 views

Plugin QGIS Error “QTextEdit.setPlainText(QString): not enough arguments”

I try to make save as button but i got this error message when try to save file in my directory File "C:\Users\Mr.Pakde/.qgis2/python/plugins\condition\conditiondialog.py", line 80, in saveAs ...
1
vote
1answer
38 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 ...
1
vote
1answer
181 views

PGRouting Layer plugin error in QGIS 2.2

I am trying to do some basic computations using the PGRouting plugin for QGIS, but I am getting this error all time: An error has occured while executing Python code: Traceback (most recent call ...
1
vote
1answer
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.
8
votes
1answer
139 views

QGIS - Calling interpolation extension from python console

I would like to call the QGIS interpolation extension function (TIN method) (Raster->Interpolate) from python console. I can't find the corresponding function within QGIS API or within the ...
1
vote
1answer
35 views

Zoom to Postcode QGIS Plugin - “Postcode not Found”

I'm trying to get the Zoom to Postcode plugin for QGIS to work on my machine (Mavericks, QGIS 2.2.0) The plugin downloads fine, and when I first try to search for a postcode it alerts me that it ...
2
votes
1answer
68 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): ...
2
votes
1answer
563 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 ...
0
votes
0answers
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 ...
3
votes
1answer
50 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?
0
votes
0answers
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?
3
votes
2answers
420 views

How to connect a PyQGIS plugin with Postgres?

I have some questions for you: I created a python-plugin in QGIS, then I created a Qt gui fom my plugin and at last I created a Postgres DB now I need to make a connection between Qt-gui and ...
1
vote
1answer
14 views

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.
1
vote
1answer
32 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 ...
0
votes
0answers
12 views

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 ...
2
votes
1answer
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: ...
0
votes
0answers
19 views

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 ...
3
votes
2answers
896 views

Simple automated way to split all lines in layer at vertices using QGIS?

I want to automatically split all lines in a QGIS layer at their vertices (like this). I've done a google search and found this article, which is quite close but the workflow is complicated. Because ...
2
votes
2answers
55 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 ...
0
votes
2answers
311 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?
1
vote
2answers
211 views

Vector affine transformation in QGIS2

In QGIS 1.8, I can transform my point layer with the plugin "Affine transformation". So, this plugin don't exist in QGIS 2.0. Do you know a method to simply translate (i.e : X -> X+30000) in QGIS 2 ? ...
1
vote
1answer
70 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 ...
2
votes
1answer
49 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 ...
1
vote
1answer
126 views

Qgis 2.2 error plugin manager/installer error

I get this error at startup Ocurrió un error durante la ejecución del siguiente código: import pyplugin_installer Traceback (most recent call last): File "", line 1, in File ...
1
vote
0answers
40 views

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 ...
3
votes
1answer
152 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 ...
2
votes
1answer
55 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 ...
2
votes
1answer
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 ...
2
votes
4answers
78 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 ...
1
vote
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 ...
1
vote
1answer
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 ...
8
votes
1answer
2k views

How do I maintain a resposive GUI using QThread with PyQGIS

I have been developing some batch processing tools as python plugins for QGIS 1.8. I have found that while my tools are running the GUI becomes non-responsive. The general wisdom is that the work ...