Software plugins that add functionality to the QGIS package

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4answers
5k views

Python Error Message with OpenLayer Plugin

I have just recently downloaded QGIS version 1.9.90-Alpha, Alpha, 5155176. I then went to install the OpenLayers plugin. That successfully downloaded and installed, or so I thought, but when I went ...
3
votes
1answer
442 views

Points to paths

I have a set of lat/long points which represent positions along a set of paths (the points are generated by satellite collars on several animals that we are tracking), and I want to link the points ...
3
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4answers
1k views

Unable to load GRASS plugin

I upgraded from QGIS 1.7.0 to 1.8.0, including updating GRASS to version 6.4.3. Since then, GRASS isn't any longer listed in the Fetch Python plugins. I uninstalled and re-installed the whole package ...
3
votes
0answers
400 views

Create a path following a road, interpolating from a set of points

I have several hundred vehicular routes within a city from which I wish to create shapefiles. These take the form of directions such as "From Green Street, turn left into Brown Street, Right into ...
0
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1answer
403 views

Importing dxf as a vector layer or using dxf2shp function (Differences?)

I was trying to import a DXF file in QGIS. First tried using dxf2shp function but it didn´t work. I browse the dxf file and i put a name to the output and nothing was created in directory i chose. I ...
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3answers
1k views

Calculating MCP in QGIS

QGIS 1.8.0. Scipy installed. Statsmodels installed. Using Sextante to try to calculate MCP. When I run the MCP calculation from the Toolbox, a layer is added to the file, but the layer doesn't ...
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2answers
448 views

QGIS:what does it do “snap gcp coordinates to background layers” in the Georeferencer plugin?

Maybe is too obvious, but I don't find any precise documentation about this checkbox in the georeferencer plugin.
1
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0answers
528 views

How to integrate .NET application in QGIS using Python?

In our company we have developed a .NET application that's now integrated with 3 different GIS platforms. Now we would like to make it work with QGIS but we need some help on getting started. I've ...
3
votes
1answer
421 views

Bar graph - cartodiagram in QGIS

Can I create a cartodiagram in QGIS 1.7.3? I need one bar graph in every territorial unit of one layer. It must vizualize organization on X and number of research in one organisation. Is it possible? ...
2
votes
1answer
213 views

Plugin error in Qgis

I just now downloaded a plugin named "XY tools"from fetch plugins option . I am a user of Qgis v 1.9.0.It shows me the following error: An error has occured while executing Python code: Traceback (...
0
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0answers
219 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 ...
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0answers
696 views

Problem compiling UI file generated by QGIS Plugin Buidler

I have used the plugin builder QGIS 1.8 to create an empty plugin. The next step is to compile the ui file using pyuic. pyuic.py runs but halts at the line with from PYQt4 import QTCore and an error ...
2
votes
1answer
120 views

How to set default bad layers handler in the python plugin?

I am trying to write a python plugin for QGis. My python plugin will copy a template qgis project into data catalog with ESRI shapefiles. Because data catalogs can vary in its content there will be ...
2
votes
0answers
133 views

How to fix ImportErrors when loading Python plugins in QGIS?

I have recently installed QGIS 1.8 in Windows 8. Although QGIS seems to be working fine, I cannot load plugins after their installation. Instead I keep getting this message: Traceback (most recent ...
2
votes
1answer
93 views

cannot download 3rd party plugins in qgis

I want to download SDA4PP plug-in in QGIS. Unfortunately I cannot see the button to download 3rd party plugins, as indicated in the install instructions at that link. I am using this program on a ...
1
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0answers
2k views

QGIS Plugins - DLL load failed: %1 is not a valid Win32 application

This is my first question so please go easy. I am trying to develop a Plugin for QGIS. I made my plugin using the "plugin builder", then compiled the .qrc and .ui files with PySide-rcc.exe and PySide....
5
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1answer
1k views

How to programmatically associate a layer with a custom UI?

I know it is possible to associate a layer with a custom UI for editing feature attributes using the QGIS interface. But is this possible with Python? This link shows how to achieve the result ...
3
votes
1answer
172 views

Is there a way to create a plugin in C++ without compiling all the Qgis source?

This is my second post and I apologize if it's post the same day on the first. After several researchs, I found the only way to create a plugin in C++ is to compile the Qgis source with the plugin ...
4
votes
1answer
8k views

make: pyuic4: command not found

I need to develop a QGIS plugin for a project. First, I launched the following command for the installation on Ubuntu 12.04: sudo apt-get update sudo apt-get install qgis sudo apt-get install python-...
1
vote
1answer
435 views

OpenLayers Rendering Error [duplicate]

I'm using QGIS to render some air quality modelling results. I'm having issues with the OpenLayers Plugin whenever I have another vector layer active. The plugin works if it's the only layer in the ...
1
vote
2answers
540 views

How do I successfully install the LecoS plug-in for QGIS 1.8

I have been trying to follow the instructions given here, but repeatedly get an error message pop-up titled "Mount" stating Access is Denied. Does anyone have a solution please?
0
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1answer
2k views

How to install Sextante in QGIS 1.8 without Plugin Installer?

How can I install sextante (and where can I download it) if the Plugin Installer doesn't works? As I work for a corporation, I have some problems conecting to the official repository, and I cannot ...
1
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1answer
97 views

Ubuntu 'Manage plugins' in 1.9 (master) doesn't show 1.8 plugins

I'm using Qgis master on Windows 7 and more recently xubuntu 13.04. On xubuntu, the 'fetch python plugins' is missing, which Nathan just pointed out was intentional rather than a bug. My problem is ...
2
votes
1answer
1k views

Fetch Python Plugins missing

I'm running QGis master v1.9.0 on xubuntu and the 'fetch python plugins' option is absent. This guy had this problem with vanilla 1.7.5 but fixed it by upgrading to 1.9.0 master. Nishant had this ...
1
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2answers
159 views

Installing raster resampling module in QGIS 1.8

On the website of Sourcepole, I have recently come across the case of resampling images in Quantum GIS. Because I am rather a beginner in GIS software I would like to ask you for information about how ...
2
votes
1answer
282 views

How to get mean of pixel values within a buffer zone around current mouse position in QGIS

for a qgis 1.8 python plugin I want to query the mean of all pixel values of a raster layer within a defined buffer around the current mouse position, not for an existing point layer. For the buffer ...
0
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0answers
109 views

How to export png to file system with python?

I use python to make a plugin that contains shape file,color_bar,time_bar 3 items above now I want to export my result to a png image After I find the method to do it I find a similar way to ...
1
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1answer
95 views

Why is my custom QGIS repository not working in recent qgis-dev version?

I have a custom QGIS repository that worked well with my own plugins.xml on a private server. Yesterday I downloaded and installed the newest QGIS-DEV that now include some changes in the Python ...
1
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1answer
320 views

Are there qgis equivalent to Cogo tools of ArcView 3.2

We are transistioning to Qgis, i have GIS users that currently use ArcView 3.2 (yes there are still people using this) they find the cogo tools very useful and I was wondering if there is an ...
1
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0answers
480 views

Install shapely for QGIS on Mac

I know there are a number of similar questions, but none of them have answers that allow me to use shapely in QGIS. In particular I am trying to install the Contour plugin, but this fails with the ...
-2
votes
2answers
894 views

QGIS 1.8 python refresh maps

i have developed this plugin .. all works fine but the map wont get refreshed . here is code vectorCount =0 mpointCount=0 mlineCount=0 mpolygonCount=0 mrasterCount=0 mlegnd = self.iface....
2
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0answers
134 views

Rounding error in qgis point sampling tool

I'm not sure if this is a bug or of it is due to the implementation. I am using a raster that has values greater than 1,000,000 and Qgis displays these numbers in a scientific notation. For instance, ...
2
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1answer
3k views

Instructions for installing Sextante plugin

As a follow-up to the question I recently asked on PyQGIS, can someone please point me to a document, webpage or thread that provides me with step-by-step instructions as to how to install an external ...
1
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0answers
389 views

QGIS Points to Path Plugin Date/time error [closed]

I would like to use the Points to Paths plugin to plot the tracks of collared animals, exactly as specified on this page http://spatialgalaxy.net/2011/12/30/qgis-plugin-of-the-week-points-to-paths/ ...
5
votes
2answers
686 views

How to run two versions of QGIS simultaneously

I really enjoy seeing the new features and icons of QGIS 1.9 nightly versions. It's looking fantastic, and some features are already very useful for my work. However, it is inherently less stable ...
2
votes
1answer
2k views

Getting polygon shapefile node coordinates and point order

I am trying to get the coordinates of each node of a polygon in QGIS. What I basically did is use the following tools: Vector -> Geometry tools -> Extract nodes Vector -> Geometry tools -> Export ...
5
votes
0answers
265 views

How to write an address search plugin?

I am migrating some users from MapInfo to QGIS, and before they sign off on it, they want a very simple address search in the same way that we currently have one working in MapBasic. I;ve been having ...
0
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1answer
60 views

Is it possible to install qgis plugin in a specific non default directory?

Is it possible to install a plugin to a specific directory e.g. D:\folder instead of the default one .qgis\python\plugin? Furthermore, can QGIS access plugins from different directories and folders?
1
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1answer
2k views

How to create histograms

I am very new at using GIS data and in particular QGIS (1.7.3) and I need some help to produce histograms regarding my data. I have a great number of data about an algae density collected in 8 ...
0
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1answer
132 views

Creating plugin in QGIS to access PostgreSQL? [closed]

i want to develop a plugin in QGIS to access to my database in postgres : i want to import a file.sql that contains my SQL Code in a textbox , and execute this code to assign myd database.
2
votes
3answers
2k views

How to setup a debugger for QGIS Plugin development?

As the title of the question implies, I wish to know how to set up a QGIS Python Plugin Debugger so that I can develop plugins more efficiently. Any information regarding this would be much ...
1
vote
1answer
284 views

QGIS plugin WORKS under Windows but NOT under Linux. How to get fîle path properly under Linux?

I am currently working on a QGIS plugin which depits node to node discreet flows. Let' say adaption of Tobler's Flow Mapper to QGIS. Plugin currently tested and working under Windows. But not under ...
1
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1answer
203 views

Best Platform to develop QGIS Python Plugins

I am currently developing QGIS Python Plugins in a Windows 7 64-bit environment. Having said this I am stumbling across various issues which from what I have been able to gather have a less tendency ...
0
votes
1answer
106 views

How can i use openModeller plug-in for QGIS?

As far as I know, niche modeling is possible in the old version of QGIS by using openmedeller plug-in. I want to use 'openModeller' using the current version of QGIS(v 1.7.4). Is there any solution to ...
3
votes
3answers
1k views

How to add QGIS Python API Intellisense support in Aptana Studio3/Pydev

I'm developing QGIS plugins using PyDev in Aptana Studio 3 and I would like to know if it's possible to make it aware of the QGIS API and add some "intellisense" functionnalities when programming. For ...
0
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1answer
175 views

Grass algorithms do not appear in Sextante toolbar of QGIS

I was having problems with some sextante algorithms in my QGIS 1.8, something related with wrong "os" name, I found a post in which reccomend to install the 1.9 master version. I clean uninstalled ...
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votes
1answer
303 views

Qgis: Select multiple layers in sql-Filter [closed]

I have a Shape-File with lines of streets. Now I want qgis only to show the categories: Type: primary and Type: secondary and Type: motorway. How do I do this? This doesn't work: "type" = 'primary' ...
4
votes
1answer
2k views

Attribute editing in QGIS on geoJson file

We have vector files in the format of geoJson files. We need to keep it in geoJson format as it is picked up by mobile devices via Restful services. The problem is we want to change the attributes of ...
1
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0answers
38 views

GDAL Plugin with a different version of GDAL aready built into QGIS

My qgis windows version is 1.8.0 Lisboa and use the gdaltools in version1.9.2. I want to use the plugin NetCDFBrowser, but this plugin need the gdal 1.10. I install 1.10 stand-alone gdal found here ...
0
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0answers
273 views

Use QuantumGIS to bulk-import csv files

I have a large set of .csv-files containing geographic information. Every dataset consists out of 2 .csv-files! This is my folder-structure. All files in Tracks are formatted equally and all in Routes ...