Software plugins that add functionality to the QGIS package

learn more… | top users | synonyms

0
votes
0answers
34 views

How to select Qgis features through Python Plugin

Hi I am very new to Python so this may be a bit basic. I am trying to find a way to select and zoom to the features in a QGIS layer. I have created a plug in and built a custom form. I have 3 ...
1
vote
2answers
94 views

How to number points along a line consecutively

I have a line and along this line I have different points which are max. 20m away from that line. Now I would like to number the points along the line, like shown in the grafic. Any suggestions how to ...
0
votes
1answer
37 views

Changing band for greyscale in plugin

I am trying to make a qgis plugin to change which band in a multiband data set (netCDF where the band represents time steps) is used for a grey scale rendering. The file works fine with manual ...
1
vote
2answers
447 views

How to set Eclipse and PyDev for QGIS when ArcGIS is installed?

I have got a lot problems with the configuration of Eclipse with PyDev in order to develop QGIS plugins. The situation is very weird and frustrating. I can import qgis module using Pyscripter without ...
1
vote
1answer
248 views

How to update a QGIS plugin for new version (2.2)?

The updates to QGIS 2.2 have been fantastic and I'm really liking the improvements to the interface, features and performance. However, it seems that some plugins have not survived the upgrade. ...
0
votes
0answers
14 views

location and mapset at Grass-QGIS

how can I indicate my drawings (unknown) location(coordinate) to GRASS at QGIS. because some time after importing the other vector or raster layers I hit an error regaring to coordinate issues. Thanks ...
0
votes
1answer
34 views

How to do a search in a line to a specific point

I'm using QGIS 2.0.1 Dufour. I'm working with a shape file made by a single line that represents a road with 30km. In that line I want to attach pdf files containing information about some points in ...
0
votes
0answers
43 views

QGIS plugin, extending plugin stub, instance has no attribute error

Update This is not an answer to why it does not work when the method is defined inside the class, but a workaround. Simply defining the method outside, prior to, the class (something that Evil ...
1
vote
2answers
75 views

How to use eVis to launch AutoCAD with a relative path?

I found this post, which leads me towards what I need: How to link to external files with relative path in QGIS actions? Now, I'm trying to use the eVis plugin to open .DWG and .DXF by launching ...
2
votes
1answer
370 views

Installing LASTools to QGIS on a Mac (or other LAS processing plugins)

I recently saw this link how to install LAStools toolbox to QGIS. The problem is that the instructions are only for Windows users. Now I wonder if it's possible to install LAStools on a Mac with QGIS ...
0
votes
0answers
98 views

OpenGeo Explorer connect to geoserver

Just a quick and easy question. I have installed OpenGeo Explorer as a plugin to QGis for publishing seamlessly to a web based geoserver (hosted through AcuGIS). I have pointed to the server through ...
0
votes
0answers
90 views

QGIS - Loading data by SQL-window in the DB-Manager is not working?

I have problems to add a subset from a PostGIS-table to QGIS by using 'load as new layer' in the SQL-window of the DB-Manager (QGIS-Version 2.2.0-Valmiera). I defined both the 'column with integer ...
0
votes
1answer
74 views

Purpose of “myPlugin_dialog.py” file created by QGIS Plugin Builder

I usually use QGIS Plugin Builder to create working templates for QGIS plugins. While a generic Python plugin needs the files below; __init__.py metadata.txt resources.py (translated from ...
0
votes
1answer
115 views

Threejs “Failed to generate a dem file using gdalwarp. gdalwarp is not installed.”

I am trying to test out the new threejs plugin for QGis and have come across this error. Failed to generate a dem file using gdalwarp. gdalwarp is not installed. I have installed the latest ...
0
votes
1answer
63 views

How to use ArcView GIS extension in QGIS or how to convert one to do so?

I really would like to know whether is a way to can work with ArcView GIS extensions at QGIS? or at least a way to be converted to plugins at QGIS?
0
votes
1answer
792 views

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

Hy, I am running the following code which I found on: GDAL - Perform Simple Least Cost Path Analysis which I adapted to my case, but I get the following error when running the code in the python ...
0
votes
1answer
226 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, ...
1
vote
1answer
44 views

Tick boxes for a qgis plugin written in python

in a python plugin for qgis I want the user to be able to select one or more of several options via tick boxes. I imagine it to look like e.g. Qgis 2.2 tool "Vector" -> "Data Management Tools" -> ...
0
votes
0answers
78 views

QGIS Plugin to open metadata and show metadata information

I try make plugin to open and read metadata (.xml) and show information inside metadata like map scale, map fiture and bounding box and auto fill it to QLineEdit This code i use to open metadata ...
2
votes
1answer
165 views

QGIS 2.2 documentation

I thought I would try to write a plugin for QGIS (some Python code that I hoped I could easily port) I started following http://www.qgisworkshop.org/html/workshop/plugins_tutorial.html but that turned ...
0
votes
1answer
129 views

How to create a slope map with different colors according to slope percentage or degrees

I have converted a dxf file with contour lines into a polyline shapefile, and I have used the Raster Analysis plugin to create a grayscale slope map from this shapefile. I would now like to have ...
5
votes
1answer
147 views

How to change OpenStreetMap Layer Properties in QGIS 2.0

I have loaded the OpenStreetMap layer in QGIS 2.0, but would like to edit the properties in order to better complement the map I'm producing. I can't seem to find the OSM toolbar or OSM Feature widget ...
0
votes
0answers
49 views

r.shaded.relief plugin on a DEM layer

I loaded a raster digital elevation map from the DEM explorer website. I defined the projection and created a mapset. I then loaded the raster file into GRASS with the r.in.gdal plugin to create a DEM ...
0
votes
1answer
43 views

how to compile qgis-1.8.0 on ubuntu

i have downloaded qgis-1.8.0.tar.bz2 and I want to install it on my linux computer(12.04 LTS). How can I perform it please? I do it because I am desperate with Qgis 2.0.1 Dufour on ubuntu 12.04, ...
1
vote
1answer
54 views

QGIS 2.0 Raster Interpolation

I am trying to use the Rasterinterpolation plugin to pick up elevations from a Raster DEM for a series of vector points. Once loaded, the Plugin is accessible through Plugins Menu/ Raster ...
0
votes
1answer
115 views

QGIS QgsPluginLayer broken on 2.0.1?

Is there a generic issue with the QgsPluginLayer class in QGIS 2.0.1? When I take the basic Watermark sample from here: https://github.com/sourcepole/qgis-watermark-plugin and make a couple of mods ...
0
votes
0answers
44 views

QGIS Widget for data entry. Many fields based off 1 combobox

I have used QGIS for a while now but have just started getting into creating widgets for data entry. I want to know if there is a way to create a widget that will auto populate 2 or 3 other columns ...
1
vote
1answer
143 views

Sextante plugin

I'm looking for the sextant plug-in which is supposed to be showing in Plugin Manager under Manage and Install plugins. I currently have 30 plugins installed and enabled in QGIS 2.0 and 121 more ...
1
vote
1answer
79 views

Why do features in QGIS drawn on same datum as Google imagery from OpenLayers move? [duplicate]

I have just started using QGIS. I've loaded the "openlayers" plugin and added a google hybrid layer, which is based off the WGS84 datum to my understanding. Now I create a shapefile and add a new line ...
2
votes
1answer
74 views

QGis draw over simple jpeg image

I'm pretty new to GIS, and since 2 months ago QGIS is a great tool to achieve very simple tasks, such open some shapefiles I find in the web and load that data on my website geoJSON formatted. Now ...
1
vote
1answer
225 views

How to make GRASS and SAGA tools capable to use in QGIS?

As my title, I installed Qgis, GRASS and GDAL by osGeo4w package, and as I finish the installation, I want to use GRASS tool, I face this problem: But I already installed GRASS and SAGA, how to make ...
0
votes
1answer
167 views

Get list of CRS in QGIS by python?

It is possible to get list/dictionary of "Recently used coordinate reference system" from QGIS by python? Or get list of all "Coordinate reference systems of the world" also from QGIS by python.
1
vote
2answers
195 views

How to get the file paths of the loaded layers in a QGIS plugin?

I am very new to GIS, QGIS and Python so please bear with me. I am using QGIS 2.0 and I would like to develop a QGIS plugin that would display the raster layers of the main window in order to allow ...
2
votes
1answer
177 views

How can I make the topology checker plugin ignore very tiny errors?

I'm a QGIS2.0 user. Topology checkers is a very valuable for me as a data creator. I use this plugin for checking data quality. But, this plugin finds too much errors include very, very tiny ...
0
votes
0answers
339 views

In GRASS in QGIS, what do I do if “NVIZ module not found”?

I was a on a Windows system using GRASS in QGIS when the error below occurred. NVIZ module not found I wonder how I can solve this problem?
0
votes
1answer
69 views

Halt QGIS on startup

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 ...
1
vote
1answer
141 views

Label features on hover/click with QGIS?

Simple question: Is there a built in/easy way to show labels for features based on a hover or click action with QGIS 2.0.1?
1
vote
1answer
98 views

Sextante in QGIS - downloaded, but does not show up

I downloaded Sextante, and I put it into the directory C:\users[my_user_directory].qgis\python\plugins\sextante-1.0.9\sextant I re-started the computer, but there is still no sign of Sextante in ...
0
votes
0answers
31 views

Installing GarminCustomMap: “missing _gdal_array module” error

I've used the GarminCustomMap plugin in QGIS 1.8 without troubles. But now, with QGIS 2.0, when I try to install it, I get the following message "missing _gdal_array module". Any idea how to fix this? ...
0
votes
1answer
83 views

Changing CRS for basemap from OpenLayers plugin

Relatively new to QGIS here and I haven't been able to find this question answered yet. I'm working on plotting data from NYC (Queens, specifically) and I would like to overlay my heatmap on a basemap ...
1
vote
2answers
284 views

How to avoid “Handle bad layers” message when using QGIS Flowmapper plugin?

In QGIS, if I close a project and try to open it a few days later I often get a message that says "Handle bad layers". This is very frustrating because when I open the project various layers will have ...
0
votes
2answers
804 views

Make a polygon from intersecting lines in QGIS, using Polygonize or similar?

In QGIS, I want to make polygons from a set of intersecting lines. Looking at the screenshot here, I want chop the purple line (it's a closed line, not a polygon) where it crosses the green and blue ...
0
votes
0answers
46 views

Zonal statistics returns wrong values in QGIS

I used zonal statistics for a simple task: to transmit raster pixel values to vectormap which contains squares as big as the pixel size is. The problem is that the values of the outcome are not ...
3
votes
1answer
139 views

how to snap two line vertex in two different layers used in QGIS

I want to snap between two poly-lines from 2 different layers (Layer1 in Brown and Layer 2(postGIS layer) in Pink color- ), but my snap option don't work. I have changed the tolerance to different ...
1
vote
1answer
38 views

How to randomly select from existing points within each polygon?

I have a polygon layer (where each feature has a class attribute), and a point layer, and there are at least 10 points within each feature of the polygon. Is there a way to randomly select only "k" ...
1
vote
2answers
815 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
0answers
43 views

OSX: Installing GRASS addons in qGIS?

I would like to install r.stream.basins in GRASS through qGIS (2.0.1-Dufour). I tried using g.extension ext=r.stream.basins and got the error "the 'make' program is required. Please install first". ...
0
votes
1answer
68 views

Closed source plugins [duplicate]

Are you allowed to develop closed source, commercial plugins for QGIS? License is GNU GPL, which is normally very restrictive. Update: Assume it is a python plugin (possibly open-sourced), that ...
0
votes
1answer
33 views

Troublehsooting QGIS Time Manager in OSX

Though it worked with a sample .shp layer with 10 points that I fabricated, the plugin isn't working with the larger data set I am trying to use now (a couple thousand points). It correctly identifies ...
-2
votes
1answer
123 views

QGIS autotrace plugin - when will it be ready?

Is there any news on when the MapInfo-style auto-trace plugin that Lutra Consulting has been developing, will be put up to the QGIS Plugins Repository? It was supposed to be this month, according to ...