Software plugins that add functionality to the QGIS package
1
vote
1answer
102 views
How to Georeference a tiff with correct coordinate system
I am having difficulty in georeferencing an existing tiff (already has georeference information - but is out of alignment). Using the georeference plug-in I can create the map's GCP in the 4 corners ...
2
votes
1answer
111 views
Handle add new feature event and/or access feature before commit?
Is it possible with PyQGIS to catch "add new feature" event before commiting changes on the layer? or at least to access new features before commit.
1
vote
1answer
67 views
Get feature while editing
I have created my custom form for features editing, using layer.setEditForm("form.ui") and layer.setEditFormInit("init") properties. init method receives dialog, layerId and featId as arguments. ...
1
vote
0answers
79 views
Are there limitations with gdal virtual raster option?
I am new at Postgis and I'm groping...
I pretend to rasterize some weighty vector layers in Postgis, do some map algebra and reclassification with them and visualize intermediate as well as final ...
3
votes
1answer
103 views
Save Visible WMS layer to file
Is there tool to save currently visible WMS layer to file in QGIS, or some place in QGIS where you can get needed xml to fetch it using gdal ?
1
vote
0answers
75 views
How to draw nodes of a graph in Python and link them to a table?
I would like to draw some points with a Python GUI, like a graph, and link those points to a table.
3
votes
2answers
292 views
Qgis OpenStreetMap plugin misbehaviour
I used the plugin successfully.
But yesterday, after changing several buildings in JOSM.
Import under qgis with the plugin does not work anymore.
The buildings are in the layer point!
Do you have any ...
0
votes
1answer
126 views
How to properly add a Python Module to a Plugin?
I've been trying to use a module that is installed in my local version of python, but whenever I open the plugin itself, it does not manage to locate said module. The module in this case is Noise ...
1
vote
0answers
84 views
'File is too big' error when uploading QGIS Plugin
I have written a simple QGIS plugin which zooms the map canvas to a user specified UK postcode. I would like to share the plugin but the csv file, which contains stripped down OS Code-Point open data ...
1
vote
1answer
38 views
How to use QgsVertexMarker in a python plugin?
I am trying to display a vertex marker for a QGIS python plugin I am writing. I am getting a the following error...
'NameError: global name 'QgsVertexMarker' is not defined'
canv = ...
1
vote
2answers
57 views
Missing GPS Tools button
Following the guidance at,
http://docs.qgis.org/html/en/docs/user_manual/working_with_gps/plugins_gps.html
I checked my Plugins Manager and verified that GPS Tools is enabled. However, unlike what ...
1
vote
1answer
99 views
Cannot install TimeManager 0.7: no module named six
I was able to extract and copy dateutil to C:\OSGeo4W\apps\qgis\python\dateutil and the error saying that dateutil wasn't found disappeared. But now I am getting the error no module named six. Tried ...
1
vote
1answer
102 views
Qgis - Raster clip Problem
I tried to use the Raster (Extration) tool "clipper" and I always get this error log:
What is my problem?
Fehler bei der Ausführung von Python-Code:
Traceback (most recent call last):
File ...
4
votes
1answer
81 views
Where to report QGIS and QGIS-Plugin bugs?
I often find bugs in Qgis and its Plugins. I would like to ask about this on the internet but I do not seem to find the proper place to address this issue.
Are there any instructions?
2
votes
1answer
170 views
QGIS “Coordinate capture” plugin - how to turn it on?
I have enabled the Coordinate Capture plugin via the Plugins menu. But I cannot seem to "turn on" or activate the plugin and get it running. How do I do that?
0
votes
2answers
149 views
Digitizing from OpenLayers Plugin in QGIS, or create raster?
Is there an easy method for digitizing from a layer added from the OpenLayers pluggin. As i cannot snap to it or use it as raster so the entire map does not load?
two separate issues there.
1
vote
0answers
33 views
Handling save event in QGIS
I have managed to load QgsVectorLayer from PostgreSQL and add it on the map. Is possible to trap save event after editing, do my own saving, call layer refresh and in this way prevent from default ...
1
vote
0answers
77 views
How to handle mmqgis geocoding IOError: [Errno socket error] [Errno 101]?
I try to geocode a .csv file with QGIS + mmqgis plugin.
But, since some days the plugin always crashes.
I tried it with QGIS 1.8.0 on an Ubuntu 11.10, OSGeo-Live v6.0 (which is Xubuntu 12.04.2 LTS) ...
0
votes
1answer
64 views
Alternate option for a Data Player plugin for GPS in qgis
I found a plugin for QGIS to play a GPS Track. (Data player plugin).The Problem is I can not read .gpx File with this plugin.
Is there another option?
5
votes
1answer
116 views
CAD Like functions in QGIS
Is it possible for a script to be built that will use a reference point and have it draw several polygons based on distance and bearing, then assess the terrain under the polygon for highest obstacles ...
2
votes
0answers
22 views
How to install statist plugin in QGIS / OS X
I am stuck with installing a plugin for QGIS namend "Statist".
I get the following message when starting QGIS: "Missing matplotlib Python module".
So basically this question relates to all plugins ...
1
vote
1answer
49 views
Raster menu does not have any tools in QGIS
in raster menu in QGIS, only raster calculator is available, how to get other tools, like wrap (reproject)
please see the image for help. help me to get this.
6
votes
1answer
100 views
QGis Making Column Value of Attribute table unique
For a shapefile, I have a field named id with the following contents in it:
1
1
2
2
I want to make these values unique such as:
1
2
3
4
Is there any way to achieve this in Quantum GIS (using any ...
1
vote
2answers
65 views
Making Multipart Features to Unique features
I have a layer with two lines crossing over each other. I create intersection point over them and then create a buffer for a specified distance and then using difference tool, I delete the buffer ...
1
vote
0answers
69 views
How do I fix this QGIS sextante error? NameError: name 'sextante' is not defined
A colleague of mine posted this the other day. We haven't got any nibbles yet and I wanted to elaborate on the issue.
We are having trouble running the r.mapcalculator function and receive the error ...
1
vote
1answer
170 views
Why do I get 'KeyError: 0' when using Line Intersection tool?
I'm using Quantum GIS version 1.8.0-Lisboa and trying to create intersection point using Intersection tool. (Vector -> Analysis tools -> Line Intersections )
But when I do that for my shapefile, It ...
0
votes
2answers
248 views
Python module “shapely.wkb” missing
I am trying to follow a tutorial from here http://qgistips.spatialthoughts.com/2012/12/find-neighbor-polygons-in-layer-in-qgis.html#more
I have downloaded the relevant python script and edited it as ...
0
votes
1answer
55 views
Should a GDAL Plugin be the same version as GDAL aready built into QGIS
Should a GDAL Plugin be the same version as the GDAL that's aready built into the QGIS version installed?
Or,can another different version of GDAL be built and it installed as a Plugin for QGIS, ...
0
votes
0answers
43 views
Different Operation of the qgis library (C++)
I compiled a QGIS sample code (open raster file), but when I choose a file I get an error: "not valid recognized data source".
But when I run QGIS that is compiled from source code it will open ...
3
votes
0answers
46 views
Programatically reorder layers in qgis? [duplicate]
Possible Duplicate:
Sort layers in QGIS table of contents?
I write a qgis python plugin ,and i try to connect keybord keys to reoder layers in qgis .
Are there a method in qgis allows me to ...
4
votes
2answers
110 views
Creating space at intersection of two links
I have a shapefile consisting of two links which are crossing over each other.
I want to create an empty space at the point of intersection of the two links.
As of now, I have been manually doing ...
4
votes
1answer
57 views
How to deliver an additional Python Library with own Plugin?
For my own plugin I need a special library (pyexiv2) to write a comment into a jpg file (PIL does not do that).
When I want to share my plugin in one of the repositories in the future, what would be a ...
1
vote
1answer
80 views
Why won't QGIS let me write to a file?
I am writing a QGIS Python Plugin. I am trying to write data to a file using
with open("filename.txt", "w") as f:
f.write("file text.")
QMessageBox.information(None, "Test", "Written to file.")
...
2
votes
3answers
410 views
How to install QGIS 1.8 plugin Georeferencer?
My question is about qgis 1.8 georeferencer plugin.
I installed the new version qgis 1.8 but I don't have the georeferencer plugins, how do I install it?
I used the georeferencing plugin with QGIS 1.6 ...
0
votes
1answer
47 views
QSpatiaLite query syntax
Using the QSpatiaLite plugin in QGIS I composed the following query
SELECT 'AddressPoint_2'.'buildingNu', 'AddressPoint_2'.'postCode' WHERE 'AddressPoint_2'.'postCode' = 'NR13 3AA' FROM ...
1
vote
1answer
65 views
Python error when running SpatiaLite with OSGB(27700)
I have a project open in QGIS and am trying to import an Ordnance Survey Address Point layer into SpatiaLite. I have recently installed the Qspatialite plugin. I open SpatiaLite in the DB Manager ...
0
votes
0answers
21 views
postgis: no module named psycopg2 [duplicate]
Possible Duplicate:
psycopg2 error with QGIS 1.5
When I open DB Manager in QGIS I get what appears to be an error message at the bottom of the window:-
postgis: no module named psycopg2
...
5
votes
1answer
114 views
Is it possible to grow QGIS symbol size over time?
I've got a data set of people movements within my municipality. (between points of places)
I've managed it with the plugin for QGIS 'time manager'. Over time people come and go, and based on a count ...
4
votes
1answer
265 views
How do I maintain a resposive GUI using QThread with PyQGIS
I have been developing some batch processing tools as python plugins for QGIS 1.8.
I have found that while my tools are running the GUI becomes non-responsive.
The general wisdom is that the work ...
5
votes
1answer
442 views
Issues Accessing ESRI File Geodatabase within Quantum GIS Desktop
I am trying to access ESRI file gdb from Quantum GIS. I am on Windows 7, 64-bit. I have found many useful threads on how to set up this functionality within Quantum GIS. The method I went for is ...
2
votes
0answers
84 views
Install Georeferencer Plug-in QGis 1.7.0 OS X
I'm trying to install the Georeferencer plug-in in QGis 1.7.0 on Mac OS X (10.5.8).
However the plug-in doesn't show up in the list. I have used "enable 3rd parties directory" and I have checked ...
2
votes
1answer
282 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 ...
5
votes
3answers
310 views
How to programatically check for a mouse click in QGIS
I want to know how to check for a mouse click in QGIS. I am trying to write a python plugin and want to provide functionality similar to the "Select Single Feature" tool that already exists in QGIS.
...
6
votes
1answer
275 views
How to enable GRASS-modules in QGIS?
I have the latest QuantumGIS-1.9.0-master from Github with python-modules support and full GRASS-integration (GRASS-4.6.3-RC2) on Linux.
When opening the GRASS-tools plugin, it only displays six ...
5
votes
1answer
154 views
How to transform a selected multipart feature into singlepart features while editing in QGIS?
There are several questions and respective answers for how to make a multipart features Layer into a singlepart features one using QGIS:
How to break a single polygon into multiple polys?
How to ...
1
vote
3answers
218 views
Where is the QGIS Parallel Line Plugin?
Somehow I believe to recall there does exist some ind of "draw paralel line" plugin for QGIS.
Could anyone please point me to - I cant find it :-/
3
votes
3answers
78 views
How to install the QGIS Statist plugin in Mac OS X?
I'm trying to install the Statist plugin. I'm running MacOSX 10.7.5. with Python 2.7.3. and Numpy 1.5.1.
I have also installed matplotlib 1.1.0 (for python 2.7). When I try to install the Statist ...
1
vote
1answer
113 views
count lines in polygons
I found the following link to a post saying that a count lines in polygons had been added to ftools for QGIS:
http://hub.qgis.org/issues/4712
However I can't find how to access this feature nor any ...
3
votes
1answer
68 views
Button to add a new line in a non-spatial table without opening the table itself using QGIS?
While using QGIS and having loaded a non spatial table (from PostGIS), is it possible to add a new row to its table attributes without having to open the attribute table first as in here Is it ...
1
vote
1answer
56 views
Get the keyPress-Event in QGis-Plugin
I have a QTreeWidget in a QWidget which is the gui of my plugin(cpp). Now i want to get the keyPress-Event of a Node in the TreeView. I try to reimplement the signal of the QWidget.
protected:
...
