Software plugins that add functionality to the QGIS package

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4
votes
2answers
70 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 ...
2
votes
0answers
36 views

Apply QChainage based on field value

I'm quite new to QGIS and found the great plugin QChainage. Simply put, it allows to create points along lines. There are different modes available. Create points every X meters or Divide the line i ...
3
votes
1answer
80 views

SAGA Watershed Segmentation in QGIS: Error 1

I am trying to run a watershed segmentation using the SAGA plugin in QGIS. Unfortunately, every time I have tried to run this on a specific file QGIS freezes. The log output reports the following: ...
4
votes
0answers
61 views

How do I implement PyQGIS multithreading to update a progress bar

I am developing a PyQGIS plugin using python. I facing a problem during the implementation of threading in my plugin. I have written a python script which contains a class wrapping all geo-processing ...
2
votes
1answer
319 views

Installing python xlw and xlrd libraries for QGIS on Mac OSX with Python 2.6

I am trying to use the XYtools plugin for QGIS (because copy-paste is not working with just one of my files?!), and I'm concerned that I actually just need to update my Python but not sure if doing so ...
1
vote
0answers
102 views

minidump Error Message when closing QGIS

When closing QGIS 2.8.6, I get the following error: 'minidump written to C:\users\username\appdata\local\temp\qgis-20160219-123421-84444-9032-e7e2ab.dmp' It only appears to happen if i have used the ...
1
vote
2answers
55 views

How to insert attribute in a selected feature from active layer (PyQGIS)

I want to update some fields from a selected feature in an edit session with some values provided by a form made in QtDesigner. The fields have indexes 0 and 2. Tried so far: from edit_Form import ...
1
vote
1answer
95 views

How to define a point by coordinates in QGIS (Plugin)

I am developing a QGIS plugin and got currently stuck at setting the geometry of a feature based on coordinates. I retrieve coordinates through an SQL query, create a feature and try to set the ...
0
votes
0answers
38 views

Work values of a table in QGIS!

I have a table associated to a shapefile with the number of people who live in different villages and the corresponding city. I want to define a new shapefile with points located in the centroide of ...
3
votes
1answer
68 views

Retrieve Google Maps API friendly latitudes and longitudes from shape file polygon

I have a shape file with a polygon in it, and I am trying to the latitudes and longitudes associated with it so I can use them with the Google Maps API. So far I have been working with QGIS Lyon and ...
2
votes
1answer
183 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 ...
1
vote
1answer
18 views

Is there a possibility to simply display the next element on a layer?

I have to check all the elements on a layer and I'm looking for an easy way to go through all of them. One option would be to open the attribute table and just always click on the next line and then "...
2
votes
2answers
63 views

Icon for plugins in own repository

Does anyone know if there is an opportunity to add icons for your own plug-in in its own repository? like this not like this with green puzzle other illustration I spied on how to implement ...
1
vote
0answers
26 views

Does SAGA in QGIS processing can support no ascii name?

From Qgis, I am calling through Processing the Saga algs "clipgridwithpolygon" raster_inside_poly = processing.runalg("saga:clipgridwithpolygon", my_raster_temp, ...
2
votes
1answer
48 views

QGIS Plugin 'make' error on Windows

Creating QGIS plugin via PluginBuilder and compiling resources via simple 'make' works straightforward under Linux (SuSe 13.2). Under Windows 'make' (3.81) produces an error: C:\Users\Jochen\.qgis2\...
1
vote
1answer
54 views

Can I consider QGIS OpenLayer basemaps as WMSs?

I am writing a manuscript about QGIS, and I categorized the data types into 3 classes according to popularity (raster, vector, web-data). Then I separated web-data to WMS and WFS. Under the heading ...
2
votes
0answers
66 views

module object has no attribute classFactory

I asked this question several days ago on the QGIS developer list but didn't get any love. I'm hoping someone can help me resolve this error. I have a custom repo and a custom plugin that I'm ...
0
votes
1answer
36 views

Error with brush style while working with Qgis2leaf

I am getting following error while working with QGIS2leaf. it saying that QgsSimpleLineSymbolLayerV2' object has no attribute 'brushStyle'. I didn't understand why its coming . Full error what i am ...
2
votes
1answer
73 views

forest classification using SCP and QGIS

I am using QGIS 2.8.6 and I want to use SCP for forest classification from Landsat 8 oli. I have already installed the SPP plugin. What else do I need to install for operation of the software?
1
vote
0answers
50 views

Python error in go2streetview plugin

We have the go2streetview plugin installed in QGIS 2.8.6 Wien and when performing a search using this plugin, the following error appeared: An error has occured while executing Python code: ...
1
vote
1answer
40 views

QGIS - does a tool exist to calculate the (PostGIS) polygons containing a given point?

This is the converse of the analysis provided by the fTools plugin "Points in Polygon": Given a single point and a list of vector layer polygons (PostGIS in my specific case), is it possible to list ...
1
vote
0answers
31 views

qgis 2.8.1 date filter gives incorrect selection results

I am running QGIS 2.8.1 on ubuntu 14.04 x64. I applied a date filter to a shapefile using the layer Properties_General "Query Builder" button. So the query was "LOCATION START DATE" >= '01/01/...
2
votes
1answer
50 views

pyqgis - Editing a feature - Is it possible to set a listener?

is it possible to set a listener that is fired when a feature is edited? What I imagine is this: A geometry is edited (e.g. cut operation) then a listener is fired. This event gives me back the ...
2
votes
1answer
300 views

Installing Mxd2Qgs plugin in QGis 2.12

My purpose is to use the Mxd2Qgs plugin in order to be able to use mxd files with QGis. I have downloaded the Mxd2Qgs file and unzipped it. I put it in the folder: C:\Program Files\QGis Lyon\apps\...
4
votes
0answers
72 views

QGIS Profile Tool shows no profile

I have installed and followed the process to produce an elevation profile from the Route Profile plug-in in QGIS, but for some reason I am getting no profile to appear. The grids are from OS ...
0
votes
0answers
11 views

How to access components on UIFileLayout?

I have followed How to programmatically associate a layer with a custom UI? and added successfully my custom *.ui file to the editing window in QGIS. Now I would like to add an action to my custom ...
1
vote
2answers
92 views

I can't find geotag and import photos plugin (QGIS plugin)

I am doing a project on mapping tourist attractions and would like to attach photos and videos to point locations. I have read about the Geotag and Import Photos plugin but I can't find it in my ...
1
vote
0answers
21 views

Customize QGIS Leaflet webpage [closed]

I created a webpage QGIS map using the Leaflet plugins, how to customize , put mouse over, then features will zoom automatically while you mouse on click on the map features, and also automatically ...
4
votes
1answer
104 views

QGIS Finding valves to turn off for water lines

I am wondering if there is a tool for QGIS that can do what I am about to describe. It might be in network analysis but I am not sure. I have used water gems but it does not do what I want it to do. ...
1
vote
0answers
50 views

QGIS GeoSearch Plugin Issue

We are trying to use the QGIS GeoSearch plugin and intermittently receive issues with it. We know what the cause is and we wondered whether anyone else experienced this issue and had a solution? We ...
2
votes
1answer
160 views

Mapping out 3D points with QGIS2threejs

I have some points I would like to map out in 3D. The points were gotten from a GPS module athat was attached to a Raspberry Pi. This is the settings I used before starting qgis2threejs: This was ...
3
votes
1answer
47 views

Disable QGis Tips Panel when application start

I am trying to disable the QGIS Tips Panel with config files. I use QGIS Lyon. - QGIS2.ini - And a custom file define with the parameter --customizationfile I know the user can click on "I've had ...
1
vote
0answers
60 views

Riparian corridor delineation in QGIS

I am trying to delineate the riparian corridors using GRASS in R. But I am having some issues. So is there a plugin in QGIS using which I can extract riparian corridors using the already available ...
1
vote
0answers
27 views

python handling case in address (lowercase,uppercase) [closed]

I'm working on a python QGIS plugin that takes address info from specific parcels and lists it. The data is in various cases and I'm having a hard time figuring out how to handle it. My data looks ...
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 ...
1
vote
0answers
35 views

Use QgsRasterCalculator inside function

I'm relatively new to PyQGIS and I'm building a plugin to perform some calculations between raster layers. I was seeking to use the QgsRasterCalculator for some operations, however, the function that ...
2
votes
1answer
95 views

PyQGIS: Change attribute value doesn't work, results in NULL

I am writing a QGIS plugin, which at one point attempts to change several attribute values on a layer. However, in the end no changes are made. If I punch similar code into the built-in Python Console,...
2
votes
0answers
43 views

How to launch a QGIS core plugin from within a python plugin?

In this case I want to launch the Georeferencer core plugin from within a plugin I have written in python. But I don't understand how to interact with the core C++ plugin system from python, if that's ...
1
vote
0answers
29 views

Python error using Vterrain in qgis

Traceback (most recent call last): File "C:/Users/Haimwant/.qgis2/python/plugins\VTerrain\VTerrain.py", line 409, in run os.spawnl(os.P_NOWAIT, directory + "Enviro", "-...
1
vote
1answer
80 views

How to use QGIS plugin “Rectangles, ovals digitizing tools”

I installed the Rectangles, ovals digitizing tools-plugin, found it on the toolbar, but it's inactive. I made a layer to which I want to add rectangles, it's visible and editable... The plugin bar is ...
2
votes
1answer
176 views

how do I create simple yes/no dialog in qgis python plugin?

I'm making a QGIS plugin that processes a dataset. I started with pluginbuilder and have a GUI that allows me to set what to do. As my plugin is making changes, when it detects a certain threshold of ...
2
votes
3answers
248 views

Road Graph Plugin missing in Qgis 2.8.3

Road Graph Qgis plugin is missing in the official repository, at least, I am not be able to find it. Is it replaced for Network tool in Vector menu? Is there another easy way to have the shortest ...
3
votes
1answer
71 views

Showing QgsAddAttrDialog in a Python plugin

I want to invoke the builtin add field dialog from my python plugin in QGIS: This is the add attribute dialog of the attribute table. It is located HERE. I expect it to return a QgsField. ...
3
votes
1answer
100 views

How to use a png image as a correctly georeferenced background in order to trace lines from it?

I have a png image which looks like this and has some lines which I need to trace (the green and red lines): The coordinate system of the map from which the image is taken is EPSG: 3034. How can I ...
4
votes
0answers
82 views

QGIS 2.10 Can't load georeference plugin?

Apparently my problem was already present in older versions of Qgis. I don't know how to fix it, knowing I have a Linux system (Fedora 23). Somethiing similar here : Where to download QGIS 2.10? So, ...
1
vote
1answer
174 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 ...
0
votes
1answer
115 views

Install qgis2web plugin

I would like to know how and where I can download qgis2web Plugin. I use QGIS with 2.10.1 version.
1
vote
1answer
37 views

How do you launch QGIS (Mac) without any plugins enabled?

On a Mac, how can you launch Qgis without any plugins enabled?
1
vote
1answer
49 views

Render QgsRasterLayer without adding to legend

I am trying to render a number of related QgsRasterLayer objects that are related to eachother (they are slippy-type tiles). Ideally I would like one item in the legend that can have its position ...
7
votes
1answer
179 views

Adding PostGIS layer from QGIS Python plugin

I try to develop a plugin to add postgis layers to qgis from a plugin as part of learning python. The code for adding a postgis layer is taken from the cookbook and work fine if I run it from the ...