Software plugins that add functionality to the QGIS package

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3
votes
2answers
53 views

What is the closest CRS to “Meridiano de Greenwich”

I have a 1906 scanned map that I am trying to georeference in QGIS for Mac. The map has French and English lat-long, indicating them as either "Meridiano de Greenwich" or "Meridiano de Paris." I would ...
0
votes
0answers
42 views

Check if Openlayer Layer is empty, caused by nonexistence of internet connection?

I use Openlayer Google street map as a base-map in my QGIS plugin projects. i want to check programatically if the layer is loaded or is empty and decide if i load my offline base-map instead of ...
1
vote
1answer
299 views

How to create a dock widget correctly in QGIS plugin?

I am building a QGIS plugin and would like to use a dock widget. I have used QT creator to design the UI, with the object type being a QDockWidget. When the plugin is enabled in QGIS the dockwidget ...
7
votes
5answers
14k views

How to install Openlayers plugin on Qgis 1.8?

After having installed Qgis 1.8 i am not able to find the Openlayer Plugin. In "the old days" I know I was supposed to check "add 3rd party repositories", but that button has disappeared? I tried ...
0
votes
0answers
11 views

GarminCustomMap: crash without error

My GarminCustomMap crashes without an error. Im using qgis 2.2 on Xubuntu Precise. I tryed with different settings but after 2 - 6 seconds QGIS crashes without any error. What could be the problem? ...
0
votes
0answers
13 views

Every time I use the Distance Matrix my program stops responding

I get to the point of having all of my information in QGIS, and am attempting to save a .csv file in the Distance Matrix. I browse to an output distance matrix, click ok, the bar fills up to 100% and ...
1
vote
1answer
191 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
31 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
85 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 ...
1
vote
2answers
61 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 ...
0
votes
0answers
13 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
34 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
1answer
224 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
66 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
65 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
63 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
60 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
85 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
365 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 ...
1
vote
1answer
41 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
59 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
158 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 ...
1
vote
1answer
119 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 ...
0
votes
1answer
93 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
128 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
37 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 ...
1
vote
1answer
38 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
28 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, ...
0
votes
0answers
90 views

Geology plug-ins for QGIS

Sorry this is probably a very basic question but I'm new to QGIS and struggling with it a fair bit. I'm trying to get a plugin to show me the geology (preferably solid and drift) of an area and have ...
0
votes
0answers
36 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
66 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
68 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 ...
2
votes
1answer
151 views

QGIS 2.0 Plugin: Select and Identify a Single Feature

given is a layer with some nodes on it and every node has some attributes(name, id, etc...). For showing up the informations of a single node I can use the "Identify Feature Tool". Choose the tool, ...
0
votes
1answer
132 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.
-2
votes
1answer
104 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 ...
0
votes
0answers
240 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?
5
votes
1answer
96 views

How can I get the field index of the new layer in my script using Python?

I am trying to use layer.changeAttributeValue(fid, fieldIndex, value) to add values to a field in QGIS Basically, I'm creating a plugin which will, if a checkbox is ticked, create a new field, then ...
0
votes
1answer
66 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 ...
0
votes
1answer
858 views

How to add the Delimited Text Plugin for QGIS 1.8?

I can't find the Delimited text Plugin- everything keeps telling me it's in the core build, but which core build? the Mac OS variant comes in multiple installers so without programatically unpacking ...
1
vote
1answer
106 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
91 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 ...
1
vote
2answers
139 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
0answers
30 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
71 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 ...
0
votes
2answers
2k views

How to install matplotlib and pyparsing correctly on OSX-Lion?

I am trying to install the Contour plugin in QGIS 2.0.1 (I'm running OSX-Lion) and I have installed NumPy and Matplotlib from kyngchaos however when I go to install the plugin I get the following ...
3
votes
2answers
905 views

How to install shapely for python 2.6 (Mac) NOT 2.7?

I'm trying to use Polygonizer plugin inside QGIS, but it needs Shapely to work. I've installed Shapely (pip install Shapely) but that's for python 2.7. QGIS works with python 2.6 (on Snow Leopard) and ...
0
votes
0answers
40 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
121 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
36 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" ...