Software plugins that add functionality to the QGIS package

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1
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1answer
69 views

Using Midvatten plugin in QGIS?

After installation of the Midvatten plug in (QGIS 2.12 Lyon), i tried to get confidence with the plugin following the tutorial. When trying to plot stratygraphy data, a QGIS error shows up: "the ...
2
votes
2answers
187 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 ...
2
votes
0answers
70 views

C++ plugin deployment

I´ve downloaded the C++ code for the qgis_hello_world plugin from GitHUB (https://github.com/thebigspoon/qgis_cpp_plugin_cookbook) I compiled with Visual Studio 2012 express on a win7 machine (though ...
8
votes
3answers
2k views

Where has the cartogram plugin for QGIS gone?

This plugin used to be downloadable from Carson Farmer's plugin repository page. However, the repository is broken. An old version of the plugin source code is still available at ...
3
votes
0answers
122 views

QGIS 2.14 Processing plugin crashes - TypeError: must be string, not None

I've recently installed 2.14, and it worked fine for the first couple of days (Appart from Grass tools), including several program and computer reboots. Today I had this error show up Couldn't load ...
3
votes
1answer
53 views

Can't execute plugin made by Plugin Builder

I have read this post: Can't compile plugin builder plugin in QGIS 2.4 (Windows) But I couldn't resolve my problem. I have already seen this post, looking for help. I can execute: pyrcc4 -o ...
1
vote
2answers
352 views

Can't compile plugin builder plugin in QGIS 2.4 (Windows)

I'm trying to build a basic plugin using plugin builder but I can't even compile it. I tried following a few tutorials and just trying to compile whatever but that always results in the same problem. ...
1
vote
2answers
114 views

Halting QGIS on startup until user is authenticated?

I have a custom made login form in Python, which launches on QGIS startup. But before the user has a chance to enter the credentials, the program starts normally, bypassing the form. From then on the ...
2
votes
0answers
55 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 ...
1
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0answers
17 views

pyqgis change or update attribute data with real-time data or Timer update,Memory has been growing

I update my shapefile attribute data by QTimer ,and labling it, keep the lable visiable,change attribute by 1 minute, but the Memory has been growing 1 layers ...
1
vote
1answer
40 views

QGIS Heatmap by value (NOT by point-densty)

I need a heat map generated by points value irrespective of how close or far apart the points may be in QGIS 2.6.1 So far I'm using the raster/heatmap/heatmap function. I need the same colour to run ...
1
vote
1answer
38 views

QGIS Authentication System for plugin manager

Does anyone have any details/documentation or information yet on the new Authentication System for Plugin Manager added to QGIS v2.14? We would love some more information, and in particular if it ...
5
votes
4answers
11k views

How to export attribute table to Excel from QGIS?

I have seen all the questions for this question, and I try all the answer like copy paste, csv (in fact this I don't know where to find) but none of all is not the right answer. Can anyone help me?
1
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0answers
40 views

How to clip many lines with polygon?

I have two vector layers: "parallel": a vector layer containing a lot of lines, they're all parallel but that shouldnt matter "polygon": a vector layer with just 1 polygon I want to create a new ...
2
votes
1answer
219 views

Qgis C++ plugin translation

I'm having issues with the translation of my Qgis plugin. static const QString sName = QObject::tr( "Editeur Monoscopique 3D" ); MyClass::MyClass( QgisInterface * theQgisInterface ): ...
1
vote
1answer
69 views

Can't get QGIS plugin translations (i18n) to work!

It's hard to be specific, but I'm having problems setting up translation files for the plug-in I'm building. The plug-in works fine, but I also want to enable translation of the GUI. I've tried to ...
1
vote
0answers
71 views

Adding Plugins in QGIS Essen 2.14.0

I am still relatively new to QGIS and have been using it for the basemap image services associated with OpenLayers plugin_particularly, the Google Satellite service. I am now unable to add/see the All ...
2
votes
0answers
31 views

How to mask only select layers (i.e., exclude some layers from the mask)

is there a way to create a masking layer in QGIS (2.14) that will mask only certain layers, so that some layers (such as baselayer imagery or other) will be unaffected? I'm using geometry generator ...
0
votes
1answer
77 views

How to merge layers by name in QGIS?

This is the scenario: I have thousands of shapefiles organized in different folders. My purpose is to merge all the shapefiles with the same name into a new single shapefile. I know I can import all ...
3
votes
1answer
51 views

Merge cells together in qgis

I have a qgis vector representing a country. This country countains many houses. I want to join together every 600 houses starting from the bottom to the top with python and qgis. I have a field ...
1
vote
1answer
43 views

Quantile in QGIS python Plugin

QGIS is very powerful when it comes to styling Vector Data. When it comes to Raster data, ArcGIS still has some advantages including Styling based on Quantiles. See my earlier post: For this I want ...
2
votes
0answers
18 views

Open QGIS project files in exclusive mode / alert if project file already in use

I have QGIS-Project-Files saved to a network drive and was wondering if it is possible to warn users that a project file is already opened by an other user to prevent concurrent editing of the same ...
2
votes
2answers
189 views

With QGIS Plugins/PluginBuilder, how to prevent 2nd instance of Plugin from starting

I am using QGIS 2.6.0, with PluginBuilder 2.0.3 [checking the version, I just noticed that the 2.1.0 update is available] I am writing a plugin; it installs and runs. While running, I am able to ...
-1
votes
1answer
61 views

The reason why dataset does not create layer

I have a plugin written in Python, and two versions of the QGIS, assembly there are differences, but the main suspect, that the version of GDAL==2.0.0dev (1) another 1.11.3 (2) for first ...
0
votes
0answers
35 views

How to export training area information?

I did a supervised classification of a whole Landsat 8 image with 700 Rois (training areas) with the Semi Automatic Classification Plugin. I want to export the class names, the coordinates and the ...
1
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0answers
25 views

Plugin for automatic refreshing of vector layers in QGIS [closed]

I am trying to develop a plugin for QGIS which can automatically refresh all vector layers at a given interval of time. Prior to QGIS version 2.06 I was using self.iface.mapCanvas().refresh) along ...
0
votes
0answers
58 views

Using external IDE eclipse to develop python plugin for QGIS?

I am new to QGIS and coding for QGIS, but I have experience with C++ and Qt. I am reading the book "Python Programming CookBook" to learn how to develop a plugin to QGIS, however I am facing some ...
2
votes
0answers
118 views

Using Multiprocessing inside a plugin in Qgis

I spent quite a bit of time looking on how to use the multiprocessing package, but couldn't find anything on how to use it inside a plugin in QGIS. I am developing a plugin that does some ...
1
vote
1answer
123 views

Steps to digitize OpenStreetMap in QGIS?

I am new to QGIS. Can someone help me with the steps to digitize OpenStreetMap? Or should I save the particular area I want to digitize into .tiff files and then try to digitize the .tiff file?
2
votes
1answer
141 views

QGIS: what is the difference between heatmaps and interpolation plugins?

I need to generate a raster looking like a « heatmap » based on a points layer. On this layer, each point represents a nest (bird population study). I need to produce a nest density map (raster) from ...
3
votes
3answers
110 views

QGIS credentials storage - security issue?

QGIS is the main GIS application used at my workplace. Access to the plugin repository has recently been removed due to a perceived security risk relating to the way QGIS stores proxy settings, ...
1
vote
1answer
808 views

ReportLab integration into QGIS returns error message “no module named reportlab”

I want to use ReportLab in my own plugin which I have written for QGIS. I have installed ReportLab for the python versions 2.4, 2.5 and 2.6. The package is respectively installed into the ...
2
votes
0answers
16 views

Disappearing labels on large maps' edge - Easy Custom Labeling Plugin - QGIS 2.8.3

I've been using the Easy Custom Labeling plugin to fine-tune placement of labels. However, I have been having some labels disappear when they are on the edge of large maps. For example, I have an A0 ...
5
votes
2answers
93 views

Why can't I multiply values from column named 'length' using field calculator via PyQGIS?

I want part of my plugin to multiple value of length and add it to table.Basing on this question: How to use QGIS field calculator in python? , I made script that works fine for some filed: I can ...
1
vote
1answer
57 views

writing an expression in qgis (2.14.0)

I have (qgis 2.14.0 Essen). I wanted to write an expression using 'select features using an expression' but the page did not show the 'field' part from which I can click on 'load all unique value'. ...
2
votes
2answers
371 views

How to host the results of qgis2leaf on google drive?

I am wondering how to host the results of the plugin qgis2leaf on google drive to create a free hosted webmap? Here is an example: ...
2
votes
1answer
158 views

How to set QGIS 2.14 on OS X to use GRASS 7

My current QGIS installation (2.14) on OS X 10.11 is set up to work with GRASS 6.4.4. I am guessing this is the default GRASS version that comes preinstalled with the QGIS package maintained by ...
3
votes
2answers
117 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 ...
2
votes
1answer
52 views

Copying/pasting feature geometry only

Does anyone know of a way in QGIS to copy a single feature in a layer and to paste it back into the same layer WITHOUT copying over the attributes?
6
votes
1answer
49 views

QGIS crashes when doing a rollback after modifying values of an user-added feature with pyQGIS

I'm developing an addon for QGIS that needs to assign a UUID to any feature as soon as it is added to the layer. I'm using the featureAdded signal to write the UUID in the corresponding field of the ...
2
votes
1answer
109 views

How does QGIS know there is a plugin update?

I've created a plugin and hosting the installation zip and xml file on a local network repository (for company use). Everything works fine but every time a user opens QGIS, it shows that the plugin ...
2
votes
1answer
252 views

QGIS Viewshed Analysis Plugin

Does anyoe have a link to or know of a list of raster formats the above tool can work with? I'm on QGIS 2.8 using the latest version of the plugin. I've tried a couple of different raster types and ...
5
votes
1answer
6k views

What's the proper format for WKT linestrings when importing into QGIS?

I'm trying to run the following test CSV through the Delimited Text plugin as WKT data: oid,Line 1,LINESTRING((45.554194 -122.686101, 45.433001 -122.762632)) 2,LINESTRING((45.432505 -122.598327, ...
0
votes
1answer
21 views

How to access pgRouting Layers via script

I would like to provide input to the pgRouting Layers through a script. The scenario is as follows: I have a bunch of points whereof every point is representing a starting point and I have another ...
2
votes
1answer
69 views

QGIS corrupted processing tool

I've been dealing with various problems after re-installing QGIS and other GIS-related software (see QGIS corrupted plugins upon reinstallation). The solution worked for a bout a day and now I lost ...
0
votes
0answers
20 views

QGIS OSM display issue

I discovered that Open Street Map in QGIS would not print properly because the street names were illegible. I looked through some questions that others had posted and saw that I needed to install the ...
2
votes
1answer
19 views

Return several layers from listwidget

I am new to python and I am writing my first plugin that add selected layers from a listwidget to QGIS. So good so far, but it does not allow me to select several layers at once. Am I missing ...
2
votes
0answers
30 views

How to run QGIS plugin from python script

I would like to access external QGIS plugins through a python script. I have been able to access the built in QGIS processing and vector toolbox, but have been unsuccessful with external plugins such ...
4
votes
2answers
61 views

Qgis2threejs plugin results images with bleeding edges and wider background canvas

I have started using 3D Qgis2threejs plugin in an attempt to make some beautiful 3D images of LiDAR analysis I am currently working. I have two questions regarding that: I am getting that bleeding ...
18
votes
0answers
186 views

Output formats for QGIS Heatmap plugin not appearing in drop-drown in Ubuntu

I've been trying to use the heatmap plugin on QGIS (2.8.2) on Ubuntu(14.04) but the drop down for the output formats doesn't get populated. Selecting the drop-down allows me to press OK on the ...