Software plugins that add functionality to the QGIS package

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Displaying symbology outside map canvas window extent?

Say we have equally distributed x,y mesh vector file. Each coordinate has a map-unit based diameter circle symbology. If we zoom into a region of the map canvas far enough, some centroids exist ...
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1answer
38 views

Tool Bar visibility in PyQGIS

I am creating a plugin for Qgis 2.6 and when my plugin loads up i want to disable the visibility of some of the tool bar. I was able to set the visibility for various tool bars like ...
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1answer
20 views

QGIS 2.6 Diagram Overlay plugin

I'm not able to find the "Diagram Overlay" plugin in QGIS 2.6 (OS X) from the Manage plugin list. Could anyone help me to download it?
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1answer
33 views

How to make a Standalone QGIS application run as an exe file

I had made a simple standalone application and that works fine. But the user have to execute a batch file(inside in which I had set the QGISHOME path, Python path and call my main python file) to run ...
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1answer
15 views

How to make the toolbar icon visible in the target machine without changing the path

I had done a simple standalone application that loads a shape file and does some basic actions like zoom in, zoom out, pan etc in the viewer. In my python file, I had set the icon path for all these ...
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26 views

QGIS Plugin Import Error on QGIS start

I have been getting a bit of an odd error when starting QGIS concerning the loading of one of my own plugins Traceback (most recent call last): File "G:/OSGEO4~1/apps/qgis/./python\qgis\utils.py", ...
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21 views

PyQgis: Load qlr files

I have a plugin that loads a Raster image and selects the correct base maps to use. The Raster image load with no problem, but my base maps will not load. I have create a qlr, which has 5 references. ...
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1answer
28 views

Viewer not displaying the data in my standalone PyQGIS Application

I tried creating a standalone external application of QGIS using python and I followed the tutorial mentioned in the link ...
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1answer
38 views

Standalone External QGIS Application using python [closed]

I am creating a standalone external Application of QGIS using python and i am following the tutorial mentioned in the link ...
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1answer
44 views

QGIS Azimuth and Distance plugin length issue

Relative newbie to QGIS and trying to figure out exactly what I'm doing wrong. A couple days ago I had azimuth and distance working perfectly. I was using it in a different project with different ...
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1answer
23 views

How to export georeferenced Raster layer using QGIS2Leaf Plugin?

I got excellent results while exporting vector layer with styling through qgis2leaf plugin. Whereas when I try to do the same with a geo-referenced raster file (geotiff) which has a projection of ...
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2answers
26 views

What exactly to write inside legend_exp column so that color Legend is seen in Qgis2Leaf?

I am new to qgis2leaf. I am getting the through qgis2leaf plugin. But as one can see i am not getting a color legend. I need to get the colors of bldg_use so that the map becomes readable. I needed ...
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1answer
111 views

qgis refresh button for attributeactions

QgsVectorLayer* vLyr=static_cast<QgsVectorLayer*>(aktLayer->qgsLayer); vLyr->actions()->addAction(QgsAction::ActionType::OpenUrl, "Link im Webbrowser öffnen", "[% "+sAttribute+" %]" , ...
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0answers
39 views

Buffer Csv gets repeated when more than one feature is selected in mapcanvas in PYQGIS

I have a function which will allow the user to select a feature or more features in map canvas and performs buffer for the selected feature(s) and writes the output to a csv file. I dont have any ...
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1answer
46 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 ...
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0answers
15 views

QGis plugin to django. (APP to webAPP)

My question is what is the best aproach to make a qgis plugin using qt(python) and use that same app and integrate with a django project so it could be possible to put that app on the web with the ...
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27 views

Is PyQt4 'drag and drop' functionality available in Qgis Plugins?

In Qgis 2.8, is it possible to use the PyQt4 drag and drop classes (dragEnterEvent, dropEvent) to interact with items from a qtreeview, in a Python Plugin? Is it possible to hook into the ...
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43 views

Unable to start modules in QGIS GRASS plugin (GNU/Linux Debian)

Recently, the Toolbox of QGIS GRASS plugin can't find modules in my GNU/Linux Debian. When I click on any module, the toolbox reports the message: Cannot find module x.xxx and, after, I have the ...
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11 views

QGIS WPS plugin misses one parameter

I set up a Web Processing Service with 52°North and GRASS (using the wps-grass-bridge). All went smooth and I get a proper DescribeProcess for i.cluster. As you can see, I need to give the parameter ...
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22 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 ...
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0answers
24 views

QGIS plugin saving layerstyle

I tried to use: Error = "" vLayer.saveStyleToDatabase ("styleName", "description", True, "", Error) in a python-plugin for QGIS 2.6 to save the data but no success. No error is written. First of ...
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1answer
32 views

View feature space for multi-band files

I am trying to plot a feature space (scatter plot) for some SPOT images in QGIS 2.8.1. I know a histogram is available in the file properties, but I want to plot eg. Band 1 vs Band 2 to see the ...
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43 views

Creating Check Boxes for all the Layers displayed inside the List View

I have a List View in my UI. Inside which I would like to display the layers loaded in my QGIS toc. For each layer in List View, it should automatically create checkboxes for all layers. How this can ...
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90 views

Qgis 2.6 and 2.8. Custom form and Init function

I try to apply the good tutorial written by Nathan "Custom feature forms with Python logic". I try his sample on qgis 2.6 and 2.8. I altered the sample to allow field initialization by setting ...
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82 views

Python Plugin not Working when I degrade the QGIS version from 2.8.1 to 2.0.1

I removed QGIS 2.8.1 from my system with Ubuntu 14.04 OS, as I was not satisfied with this version because it was crashing when I loaded data from my local server. Now I again installed QGIS 2.0.1 but ...
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1answer
29 views

Behaviour of Select Feature by Freehand tool in my own plugin

I am calling QGIS "Select Feature by Freehand tool" in my plugin. what it will does is it allows the user to select features in mapcanvas and i made a signal like if selection changed in mapcanvas , ...
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1answer
46 views

No expected output when accessing variable from one function and using in another fucntion

I have a function say selectedfeatures this function would be called when a selection changed event happens in mapcanvas. self.canvas.selectionChanged.connect(self.selectedfeatures) ...
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23 views

Problem with QGIS Heatmap Plugin [duplicate]

I am experiencing some issues with the Heatmap Plugin (0.2) on QGIS 2.8.1, and I wanted to double-check if I am doing something wrong, or if there is some sort of bug lying around. As a background, I ...
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1answer
43 views

How to define an event for features selected in mapcanvas in qgis using python

I have created a push button, when it is clicked it calls the function 'selectfeatures'. This function will call the Select feature by free hand tool of QGIS and allows the user to select features in ...
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26 views

QGIS 2 leaf plugin - How can I receive legend in Czech language - letters with diacritics missing

I am using QGIS 2 leaf plugin and on the web my index.html don't show in the legend letters with diacritics. When I see the html code there is . It doesn't enable languages like the Czech language? ...
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1answer
46 views

Need to Quickly Add Multiple Layers From Multiple Folders To QGIS Project

I have downloaded several imagery Zip files (content of each is jp2, jpg, jpw, xml, htm, and .dbf, .prj, .sbn, .sbx, .shp, .shx) and would like to quickly add this imagery to my working project in ...
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48 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, ...
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18 views

QGIS plugin : connect to polygonselect Maptool signals

Working on a new plugin I am trying to connect a custom function to the mouse right-clic signal while using the polygon selecting maptool. I have activated the maptool through : def run(self): ...
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39 views

How to store a triggering action and events and call them when needed using python in qgis

Can anyone explain in detail how to store the triggering action or an event that take place in the mapcanvas in a variable and call the same when needed in python. Say for example,say i have ...
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21 views

Change programmatically to RuleBasedRenderer

After loading a shape as layer in qgis i want to use a rulebased renderer instead of the categorized one. i've tried this code: QgsVectorLayer* ...
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1answer
31 views

Initalize plugin with current working directory?

Upon starting Qgis, a (currently under construction) plugin needs a means of checking the current project/legend/registry. This checksum would ideally occur upon startup automatically. As the plugin ...
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1answer
40 views

PyQGIS: Is it possible to replace an action triggered script by one supplied through a plugin?

In ArcView 3 all controls (menu choices, buttons, tools) had scripts associated with them that could be changed simply by supplying a script with the same name through an extension (plugin). That way ...
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1answer
26 views

Openlayers plugin not displaying any source

I was previously using QGIS 2.2 and using the openlayers plugin to display google streetmaps on an area. Reopening the project several months later I found that this layer no longer displays. In fact ...
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2answers
63 views

Loading Grass 7.0 vectors in QGIS broken?

Running QGis 2.8.1 in Win7 (64bits), installed through OSGEO4W. When trying to load a Grass 7.0 vector file in QGis, the program will simply crash without any notice. I can load old Grass vectors ...
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1answer
50 views

Plugin to run one function when run button is clicked

My plugin gui is attached below which has two functions one is selecting state, cities from the combo box and distance to be entered in the lineedit and the other is if we click a pushbutton it will ...
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1answer
31 views

List printing same values as a buffer output instead printing unique values

I have a list of features selected in the mapcanvas and for that selected features i am doing buffer and printing the feature names that are inside the buffer. While printing,all values in the list ...
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29 views

How to create custom input widget using Plugin builder?

I am trying to develop a plugin that takes in user input for the time, using the QGIS plugin builder. However, I want to specify the different times the user is allowed to select from when the plugin ...
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1answer
56 views

Convexhull for selected features and performing buffer for the resultant convexhull using python

I have features selected on the mapcanvas. I want to perform convex hull for those selected features and save those in a memory or store it in a variable preferably and then want to do buffer for the ...
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1answer
51 views

Save Vector layer and update .qgs project file (pyQGIS)

need help to solve the following use case: QGIS started with new project (no layers) New layer is created programmaticaly and data is populated: vl = QgsVectorLayer("Point", "temporary_points", ...
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29 views

Parcels management and land ownership

Is it possible for me to split a feature by the column area i input?Like A feature has 3000 sqm and i have in attribute table column 1= 2000sqm and column 2= 1000 sqm and based on this 2 colums to ...
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37 views

Creating Convex hull and finding buffer in QGIS

I have a layer and features are selected using Select Features by freehand tool and for that selected features, convex hull was done and for that convex hull i am trying to find buffer and write it in ...
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1answer
41 views

Buffer for features selected in the mapcanvas and writing to csv file

I have some features selected by using "Select Features by Freehand" tool in QGIS and try to find the buffer for those selected features alone and write the city and state names within in the buffer ...
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1answer
45 views

Odd behavior in a QGIS plugin: my function is triggered twice

I have a plugin with a function (triggered by a button) that selects a specific layer by name, then shows its attribute table. When I close the plugin and open it again, the attribute table pops up ...
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3answers
33 views

QGIS python plugin appends values every time it's started

I've written a small python plugin (using plugin builder as base) to simplify the expression process for a given layer (just a few comboboxes that are used to create a query). The combo box populating ...
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1answer
22 views

Where can I get the Cadinput plugin for QGIS

From Stackexchange, I got to know that Cadinput plugin could do this work. I need to create a line feature specifying the desired length and bearing in an open source GIS (Preferably QGIS) as in CAD ...