Software plugins that add functionality to the QGIS package

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0
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1answer
16 views

Finding lasview tool from LAStools within QGIS?

I am trying to make a DEM from a .las file. I have installed the LAStools directory and have the plugin: I am wanting to use the lasview algorithm, but I can't see it in the standard toolbox I ...
1
vote
1answer
15 views

SVG to PNG in plugin code - python

I am making a plugin and what I want to do is display a preview of image in widget. I have previews saved as SVG files. I found a way to show it in plugin window but I must convert them to PNG first. ...
0
votes
1answer
19 views

Qgis2threejs error after changes in qgis-ltr-bin

I have installed QGIS 2.8.9 in C:\OSGeo4W folder and change qgis-ltr-bin.bat last line with start "QGIS" /B "%OSGEO4W_ROOT%"\bin\surveykshak.exe --configpath "%OSGEO4W_ROOT%"\qgisini%*. I changed ...
1
vote
1answer
185 views

QGIS - updating Processing plugin

A recent convert to QGIS, I have versions 2.8.5 and 2.12.2 installed on my PC. The plugin Manager tells me I have v2,10.3 of the Processing plugin installed in the plugin folder of my local drive and ...
9
votes
1answer
664 views

Creating Human Trafficking Heatmap in QGIS?

I'm trying to create a heatmap with about 325 points distributed around the city of Houston. (FYI Houston is a major human trafficking in the US: a title shared with LA and Atlanta depending upon ...
0
votes
1answer
30 views

Rendering polygons with Qgis2threejs?

I have a polygon shapefile cotegorised according to a specific field. I want to present that 3D with the help of Qgis2three.js (sth like that). I have installed the plugin and have chosen the polygon ...
0
votes
1answer
12 views

get path from where QGIS is loading the plugin dll

In my QGIS plugin I want to get the path of my plugin. As yet I done this so: QDir appDir=QDir(QCoreApplication::applicationDirPath()); appDir.cdUp(); QString sPluginFile=appDir.path()+"/apps/qgis/...
-1
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0answers
18 views

laszip batch process in qgis extension lastool [duplicate]

i am using qgis 2.16 in that lastool plugin contains laszip option. please tell how to run batch process in laszip. ill not able to add multiple files at a time in batch process.result came only for ...
2
votes
1answer
163 views

QGIS: SPIT plugin not loading

Using QGIS 2.12 Lyon on a Mac (Intel, 2013). I check the SPIT line in plug-ins, but the plugin does not appear in the menu bar as promised. Log out, restart, nothing helps. Other plug-ins work fine ...
2
votes
1answer
29 views

QGIS 2.14.4 attribute table fields not visible in Statist plugin

I had one point shapefile to which I joined new numerical attributes by a csv text file. I saved it by right clicking and everything works fine, I use it for calculations etc. But when I use the "...
1
vote
2answers
32 views

Setting up rulebased labelling programmatically in QGIS?

In my plugin I do some labelling a vector layer with QgsPalLayerSettings. This works fine for me with QgsMapRenderer::setLabelingEngine. But now I also want to implement the rulebased labelling. In ...
3
votes
2answers
1k 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 ...
0
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0answers
33 views

Amending existing plugins to match Qgis 2.16+ fTools removal

Part-time development started about a year ago to create an add-on for Qgis. Many of this plugins capabilities are written with fTools commands. I am wondering if there is a recommended document to ...
0
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0answers
24 views

Is it possible to create a standalone dbf table with pyqgis

I have written plugin that grabs tabular data via soap requests. As of now the results are written to a csv file. I would rather the results go into a dbf to retain numeric values for a variety of ...
2
votes
1answer
26 views

How to set paint effects programmaticaly

In my plugin I want to set up a 'halo'-effect like this: So far I tried this: setting up the paint effect: QgsPaintEffect * p_mPaintEffect(0); p_mPaintEffect= new QgsOuterGlowEffect(); ...
1
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0answers
13 views

QGIS Plugin -> QgsVertexMarker points missing: Anyway to find out which points are not visible?

I am trying to plot live feed of three GPSs running at 10 hz using my own QGIS plugin. I was using QgsRubberband initially which worked fine. I recently added QgsVertexMarker to plot every data points ...
1
vote
1answer
62 views

Keep up to date a cpp-plugin(windows) for QGIS with less effort

We have two c++-plugins for QGIS and thought with the LTR release we are bit saver against the fast version-changes. Today I updated my QGis from 2.14.0 to 2.14.4 and had to recognise, that the ...
2
votes
2answers
213 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 ...
0
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0answers
16 views

calculate new point given distance, bearing, lat and lon Right lat result but wrong lon

I have been trying to get this program to work right, but somehow, although my formular seems right, my calculation for the longitude is off. I want to make a plugin for qgis with this code, or find ...
1
vote
1answer
27 views

How to customize DB Manager default parameters

I'm using QGIS 2.10 and DB Manager plugin. I regularly use this plugin to display tables from a PostgreSQL - PostGIS database. I particularly use the integrated SQL Window to filter a table's content ...
3
votes
3answers
380 views

Qgis2Threejs returns empty page

When i try to make 3D scene from DEM with Qgis2threejs it creates a empty html page. I also try to make 3D thematic map from shapefile with the same result. I have also check my browser and it ...
1
vote
1answer
49 views

How to overwrite SHP layer

I'm modifying the Arrows plugin by Gregoire Piffault. It writes the output to a shape file, but if the shapefile already exists it fails. He tries to remove the file using QgsMapLayerRegistry.instance(...
1
vote
1answer
23 views

plugin processing

Plugin processing: The plugin will be disabled because it crashed QGIS during last startup. Please report an issue and re-enable the plugin when the problem has been solved. I have this problem in my ...
0
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0answers
15 views

Click to copy Co-ordinates From QGIS

I have a created some point data using CRS ESPG:4326 and added Google basemap from Open-layers plugin. While adding the Google maps imagery i have changed CRS to ESPG:3857 in project properties. ...
2
votes
1answer
156 views

The QGIS atlas defined with pyqgis and a QPT template exports the same maps

I need to generate an atlas for each feature from a layer for reporting. There will be created a few maps. The centre of each map must be focused on each feature. In this task I use a predefined QPT ...
3
votes
1answer
430 views

Retrieve a point coordinates from map canvas using QGIS API

I'm trying to build a plugin that firstly captures the map coordinates. I have tried to adapt the map tool explained in this post: How to programatically check for a mouse click in QGIS The code I ...
4
votes
7answers
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, ...
1
vote
1answer
17 views

PyQgis show SVG Symbol on differnet value of specific attribute

I am working on a QGIS plugin. Main feature of this plugin will be changing the icons on a specific layer partly based on a specific attribute (it will be more exciting but you have to start somewhere)...
0
votes
3answers
5k views

Python Error Message with OpenLayer Plugin

I have just recently downloaded QGIS version 1.9.90-Alpha, Alpha, 5155176. I then went to install the OpenLayers plugin. That successfully downloaded and installed, or so I thought, but when I went ...
5
votes
1answer
69 views

Sending a https request from a QGIS plugin using urllib2

I'm developing a QGIS plugin that needs to send https request to an API. I have to use urllib2 (see below if you want to know why I don't just use the requests package) The first request I need to ...
2
votes
0answers
102 views

QPyNullVariant not recognized outside of QGIS [duplicate]

I'm getting an error about an operation involving a QPyNullVariant: TypeError: unsupported operand type(s) for *: 'QPyNullVariant' and 'float' I wanted to put a check into my code to skip these ...
2
votes
0answers
28 views

Making perfect rectangle in QGIS [duplicate]

I want to be able to set the height and width of my rectangles, as well as the angles. I have been trying the Rectangles Ovals Digitizing plugin, but I can't seem to make it do anything (besides turn ...
2
votes
1answer
42 views

QGIS Oracle-Spatial-GeoRaster-Plugin not working

I am having trouble with Oracle-Spatial-GeoRaster-Plugin in QGIS (running on Windows 7 Professional N 64bit). The connection to my database on an external Oracle-Server obviously works as it shows the ...
2
votes
1answer
83 views

How can I change the origin (top left corner) coordinates of a raster using PyQGIS?

I am developing a python plugin for QGIS. The purpose of the plugin is to properly open an HDF5 dataset as a raster. Opening and displaying the raster can be done without the need for a plugin, ...
2
votes
0answers
21 views

Why PyQt http request works in QGIS console, but not in a plugin?

I want to send http request in a QGIS plugin using PyQt. I found in this post working syntaxes to do so, but something odd occurs. The script given in the question works both in the console and in my ...
2
votes
2answers
253 views

From CSV file (latitude and longitude fields) to point .shp

How i create a new point shapefile from CSV table? If i have a CSV file with a latitude and longitude fields, is there a method for to have in output a puntal shapefile?
1
vote
2answers
73 views

How to Continue a Line Feature in QGIS?

I'm looking for a way to continue a line feature in QGIS. I have checked the Digitizing Tools plugin (both regular and advanced) for a Prolong Line tool, but I haven't had luck. In ArcGIS there's a ...
1
vote
0answers
30 views

How to interpolate a set of waypoints?

I am trying to interpolate a Vector Layer in order to have as many waypoints as possible. I am doing it with the Interpolation Plugin, but I don't know what to do with the Raster Layer generated (I ...
3
votes
2answers
161 views

QGIS python error using qgis2leaf and qgis2web

I'm trying to export a project using qgis2leaf and this error appears: An error has occurred while executing Python code: Traceback (most recent call last): File "C:/Users/grego/.qgis2/python/...
3
votes
2answers
134 views

Bulk file convertor QGIS plugin/program

Similar questions have been asked but without I think non "script" solutions Is there a easier to use for non technical users for QGIS plugin/program to bulk export files? Say shp files to .kml files?...
0
votes
1answer
41 views

Load a specific spatial data from a postGIS table

A single postGIS table contains multiple type of spatial data(example: Linestring,Polygon,etc.,). How to load a specific spatial data from PostGIS table into QGIS by using pyqgis?
2
votes
3answers
2k views

Alternative repository for QGIS 2.0 plugins?

Is there any alternative to the official repository for plugins of QGIS 2.0? I found a source which refers to OpenGeo Explorer For more info: http://qgis.boundlessgeo.com/static/docs/intro.html
11
votes
2answers
268 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 ...
1
vote
0answers
20 views

How to replace QGIS featureAtId() with getfeatures()?

I'm trying to upgrade a script made for QGIS 1.8 to work at version 2.14 One of the problems I face is that the featureAtId function at 2.14 is now obsolete. Original codes looks like this. ...
1
vote
1answer
215 views

QuickFinder QGIS plugin generates python errors

I have had no success setting up the QuickFinder plugin in QGIS to search project layers. Once I select the checkbox "Search in project layers" in the settings and create a new QuickFinder file, it ...
2
votes
1answer
192 views

AttributeError: 'module' object has no attribute 'classFactory'

I'm trying to compile a cython plugin for QGIS. The plugin is working on windows (32/64) machines but was never used on Mac before. I compiled the cython for python as described here but there are ...
5
votes
2answers
1k views

How to remove all selection from all registered layers using QGIS plugin?

I want to remove all selection from registered layer in QGIS using Python. I tried to clear the map canvas using: self.iface.mapCanvas().clear() self.iface.mapCanvas().refresh() but the ...
2
votes
1answer
273 views

Plugins crashing 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 ...
0
votes
0answers
32 views

How to capture the event whenever the items inside the listview is enabled or disabled and get the number of enabled checkboxes inside the listview

I have a function "openBrowse" which will allow the user to select SQL files from a local path and display the file names as with dynamic checkboxes created based on the number of files selected ...
2
votes
1answer
116 views

How to resolve this error with GeoServer Explorer Plugin

This morning I changed my default password of geoserver and since then publishing layers or projects from QGIS not working using GeoServer Explorer Plugin. I am getting this error while trying to ...