Software plugins that add functionality to the QGIS package

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2
votes
0answers
62 views

QGis, add dialog and classes to plugin

what are the steps to add files that represent a uidialog(draw with QTDesigner), and add the necessary python class files, using the default makefile provided with qgis plugin builder? thanks,
1
vote
0answers
77 views

How to find a feature on map by its field data

I'm using QGIS 1.8.0 & got much help to find a Featuer using 'Quick Finder' plugin. Is it possible to locate a Feature (using a similar plugin like'Quick Finder'), on map using its attribute data ...
3
votes
2answers
2k views

How to use QGIS Photo import plugin?

I have a lot of Photos with lat, long, and altitude information. When I start the import, I get an error message. Do I need to prepare a blank point layer before importing? Is there another python ...
1
vote
1answer
157 views

QGIS python plugin, segmentation fault, what can I do?

I'm trying to write a python plugin to create an input file for an urban climate model out of three shape files. Unfortunatelly QGIS closes when I try to load the plugin. When I start QGIS from the ...
2
votes
0answers
456 views

Qgis Plugin development with postgres data

can someone help me with initial developing on qgis plugin that displays postgres data table on a QTTableView or QTTableWidget? So far: I can connect to database using psycopg2 or using ...
11
votes
2answers
6k views

How to check Topology in QGIS?

I have two Shapefiles with Polygons ( City and Forerst) Is there a Plugin who is able check the topology (QGIS)? Like "Knots do not overlap" or something like that? I dont want that they overlap. ...
4
votes
1answer
4k 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, ...
1
vote
1answer
510 views

Is there a way of viewing a photo has a point tag from Photo2shape in QGIS?

Is there a way to view images (photos) that have location point from Photo2shape by clicking on the point in QGIS?
1
vote
1answer
394 views

Polygonizer plugin for QGIS halts in Windows?

I've had some success and some problems using the Polygonizer plugin in the past. I'm using Polygonizer 2.1 in QGIS 1.8 on Windows 7. I'm aware there are sometimes problems using Polygonizer in ...
2
votes
1answer
2k views

How to save a vector layer from QGIS to Sql Server 2008 or 2012?

using QGIS, i've loaded up some administrative boundary data of New Zealand. I wish to now import this vector data from QGIS into my Sql Server 2012. Is there any way to do this with QGIS ...
5
votes
2answers
1k views

Where can I find documentation on QGIS C++ Plugin Development?

Is external C++ plug-in support available for QGIS? I'm having a really hard time getting started here. I followed the doc here: ...
4
votes
1answer
746 views

How to Create a raster layer from a numpy array using pyqgis?

I am working on a plugin for Qgis to calculate spatial Kernel density maps. I have all the calculations working, all I am missing is a way to turn a Numpy Array, with density values into a multiband ...
2
votes
0answers
404 views

How to access mysql data from python built-in console?

I'm writing a QGIS Plugin, and somewhere I want to present data from a MySQL database. It's simple data(strings,etc), not Geospatial, or vector data. I'm familiar with querying databases from python ...
0
votes
1answer
318 views

Problem in Spatialite database creation

When I try create a new DataBase, Spatialite plugin return the dialog error box: The SQL query seems to be invalid. no suck table: views_goemetry_columns When I click in OK button, a second dialog ...
2
votes
2answers
149 views

Invalid Username When Developing a QGIS Plugin on Mac

On a fresh Mac OSX 10.8 install, I've installed Quantum GIS from Kingchaos binaries and it's running fine. I'm trying to develop a plugin for QGIS using Plugin Builder. The skel that Plugin Builder ...
5
votes
1answer
759 views

Is there a purge function to remove layers from a qgs file which are not present in the Layers pane?

I have some QGIS projects that I've been using for long time, adding and removing layers, updating reference to deleted or moved files etc. Opening with a text editor the qgs file I see that it ...
4
votes
1answer
2k views

QGIS: How to load feature (.qml) styles from python? [duplicate]

Possible Duplicate: How to style a layer from console? I'm trying to set the styles for a vector layer by loading the .qml file in the python console. The qml-style file contains all ...
2
votes
0answers
83 views

How to call a method when self.iface.actionSelectRectangle().trigger() is released?

In my QGIS python plugin I use "self.iface.actionSelectRectangle().trigger()" to select features. I also have a button which changes the attributes of the selected features. Is there a way instead ...
3
votes
1answer
279 views

What is status of OpenSceneGraph (OSG) plugin for QGIS? [closed]

Does anyone know if the OSG plugin for QGIS is working? If so does anyone knows what the future plans is for OSG plugin in QGIS? I am using QGIS version 1.8.0-Lisboa. I keep getting the following ...
4
votes
2answers
601 views

How to enable GRASS plugin in QGIS 1.8.0 (Linux Mint 13 - 64 bit)?

Every time I enable GRASS plugin in QGIS (Plugins -> Manage Plugins -> GRASS), I got a message: Exception - G_getenv(): Variable GISDBASE not set. I googled and found some information here but don't ...
2
votes
1answer
622 views

Are features of new labelling tool available to control via Python API?

I am writing a plugin using Python and currently using methods that set the label similar to those seen under Layer Properties. Some of the features under the new labelling engine available on the ...
1
vote
1answer
250 views

It is possible to add A* to the pgrouting plug-in?

I am using pgrouting layer plug-in as described in this post: http://underdark.wordpress.com/2011/12/18/osm2po-part-2-pgrouting-on-osm-the-easy-way/ I am now able to calculate the shortest path using ...
12
votes
3answers
4k views

Is there a way to use “Select by Attribute” in QGIS using a python command?

is there a way to use the function "Select by Attribute" in QGIS using a python command? In my plugin the user should enter a value via a GUI and this value should be used in a function which selects ...
2
votes
4answers
3k views

Qgis: How to display special characters German “ÄÜÖß” in a Map?

I have a shape file with names for Regions. These don't seem to contain special characters but ugly hyroglyphes. What can I do do display them correctly. If I import the shape as UTF-8 it doesn't ...
2
votes
1answer
340 views

Is there an itemSelectionChanged Signal in Attribute Table?

The QgsVectorLayer class emits a selectionChanged() signal . If a QGIS user for example selects a record in the Attribute Table of a Vector Layer - a selectionChanged() signal is emitted an can be ...
6
votes
1answer
400 views

Simulate (Mock) GPS Tracks

I have the following scenario: 1) I need to create GPX files for use in testing of a mobile device. 2) The tracks to be described within will span large distances over long time periods (i.e. it's ...
0
votes
0answers
25 views

add 3rd party repositories [duplicate]

Possible Duplicate: How to install OpenLayers plugin in QGIS1.8 "add 3rd party repositories" is missing from v 1.8 QGIS plugin installer. I would like to access the Openlayers plugin which ...
3
votes
3answers
5k views

How to install Python libs for XYtools to read Excel files

I need to use the XYtools plugin to read an Excel file. After choosing the XYtools incon and indicating an Excel file to read in, a message appears "there is a problem with loading a python module ...
1
vote
1answer
697 views

installing module in embeded python in qgis

I'm newbie to Quantum GIS and Python. I'm using QGIS in windows platform. How I can install module for python embedded in QGIS? Also, how can I run embedded python from windows directly? Thanks
4
votes
2answers
3k views

Generate random points in selected areas for

I think my question is answered in different posts but I can't really make sense of them. Background: We are designing a survey of a sample population of farmers to identify the seeds they use. I ...
2
votes
3answers
1k views

An error has occured while executing Python code while doing home range analysis (Qgis 1.8.0)

It keeps appearing: Traceback (most recent call last): File "C:/Users/Worten/.qgis//python/plugins\HomeRange_plugin\HRplugin_dialog.py", line 80, in QObject.connect(self.buttonBox, ...
1
vote
1answer
651 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
2answers
801 views

How to install DTclassifier for QGIS?

I want to install a dt-classifier plugin I have downloaded from a web page (http://gis-lab.info/qa/dtclassifier-eng.html). I unzipped it to the qgis plugin directory but it won`t show up in my plugin ...
1
vote
1answer
684 views

How to disable on-focus “scrolling” of dropdownlists in QGIS forms?

The dropdownlists in QGIS form has an advanced action behaviour i.e. the items in a dropdownlist are getting scrolled while we scroll the mouse wheel by focusing over the control. I don't want this ...
0
votes
1answer
128 views

QGIS - Unable to get OSM data on re-opening project

I have now successfully got OSM maps to import as I would like, but if I save the project then later re-open, I always get a bad layer message and I have to reload the OSM once the project is open. ...
7
votes
1answer
312 views

Jitter or Randomise Points in QGIS

Occasionally I'm asked to plot points that relate to sensitive data items. I would quite like to be able to add a varying level of random jitter to points when plotting so that point density is still ...
2
votes
1answer
202 views

QGIS Console error Libgrass

Just installed QGIS 1.8. on Mac OSX Installed GSL Install GDAL 1.9 Complete Installed QGIS keep getting this console error message in QGIS. Failed to load ...
1
vote
0answers
255 views

Problem using addVectorLayer() in Qgis

I am confused a bit, using addVectorLayer() in QGIS plugin. I want to add and display a vector layer, directly when QGIS opens. Hence I am using addVectorLayer() in _init_() function of my plugin. ...
2
votes
0answers
756 views

How to change feature's geometry?

Hy, I'm creating my layer like this: crs = core.QgsCoordinateReferenceSystem(4326, core.QgsCoordinateReferenceSystem.EpsgCrsId) uri = "Polygon" uri += '?crs=' + crs.authid() uri += ...
3
votes
1answer
716 views

r.watershed analysis error from raster map being in different zone and unable to be opened

I tried running my DEM (geotiff) file through the r.watershed program by the GRASS GIS plugin of QGIS. I believe the error message results from a raster map in the different zone than the current ...
7
votes
5answers
16k 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
32 views

Set buffer radius in metric units in qGIS [duplicate]

Possible Duplicate: What is up with QGIS buffer tool units? A similar question to this one has already been asked QGIS - Change unit of measure from degrees to meters, but none of the steps ...
4
votes
1answer
277 views

Surface covered by buffers in QGIS

In QGIS, I have plotted buffers around points. I would like to calculate the area which falls under buffers without over counting due to buffer overlaps. Is there a quick and easy way to do this?
3
votes
1answer
2k views

How to install fTools and Table manager

I've just make clean install of Qgis Lisboa under Ubuntu Precise. Latest Qgis version under Windows XP is very unstable (crashes every few minuter while editing shp file). After new installation ...
3
votes
2answers
773 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 ...
5
votes
1answer
1k views

QGIS - export a project with dependencies

I was wandering if there was a way to save a specific project with all layers as dependent files to make it easy to share with collaborators. for example, create a zipped or non-zipped folder ...
4
votes
1answer
269 views

QGIS Globe UnsupportedOperationException

My QGIS Globe is not working: After starting it, that massage pops up in a endless loop: UnsupportedOperationException: GeometryGraph::add(Geometry &): unknown geometry type: ...
5
votes
1answer
3k views

Is there a way to export QGIS layers to KML?

has had anyone had any luck with the new experimental plugin qgis2kml? I keep getting the error msg layer : format not yet supported I had a look but the author has not provided any documentation, ...
4
votes
1answer
685 views

How to load a postgres view using pyQgis?

Under Qgis 1.8 on Windows 7 I have this problem with my pyArchInit plugin: I need to load on the map canvas my geometries from a postgis layer. Till the 1.7.4 version I use the method explained on the ...
7
votes
1answer
2k views

Unable to Install External QGIS Plugins

I'm using: QGIS version 1.8.0-Lisboa on Windows XP, installed using OSGeo4W I am behind a proxy but I have configured it in Options > Network. When I go to Plugins > Fetch Python Plugins.. All of ...