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Questions tagged [qgis-plugins]

Software plugins that add functionality to the QGIS package

527 questions with no upvoted or accepted answers
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74 views

Does SAGA in QGIS processing can support no ascii name?

From Qgis, I am calling through Processing the Saga algs "clipgridwithpolygon" raster_inside_poly = processing.runalg("saga:clipgridwithpolygon", my_raster_temp, ...
2
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0answers
331 views

Python error in go2streetview plugin

We have the go2streetview plugin installed in QGIS 2.8.6 Wien and when performing a search using this plugin, the following error appeared: An error has occured while executing Python code: ...
2
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529 views

QGIS GeoSearch Plugin Issue

We are trying to use the QGIS GeoSearch plugin and intermittently receive issues with it. We know what the cause is and we wondered whether anyone else experienced this issue and had a solution? We ...
2
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0answers
89 views

How to launch a QGIS core plugin from within a python plugin?

In this case I want to launch the Georeferencer core plugin from within a plugin I have written in python. But I don't understand how to interact with the core C++ plugin system from python, if that's ...
2
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0answers
804 views

QGIS Plugin QuickMapServices error

The plugin installs fine but fails to load with the following Python error cannot import name QgsImageOperation
2
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0answers
251 views

Why doesn't the Undo/Redo History Widget run my custom undo/redo methods?

We're writing a Python plugin for QGIS 2.8.3. I've derived a class from QUndoCommand to contain "undo-able" work. When I push it onto the undo stack, its redo method gets called as expected, but QGIS ...
2
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0answers
1k views

Combining custom QWidgets with ui file generated from QGIS plugin builder?

I am having a hard time figuring out how I can include several QWidgets (created in individual scripts) into the QT Designer ui file generated from a QGIS plugin builder. These are custom widgets I ...
2
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0answers
96 views

Spline plugin doesn't work

I have Spline plugin installed. It is activated. When I try to draw a curved line it doesn't change into a curve. The lines remain the way I have drawn them. I am using QIS 2.10.1 with Windows 8 or 7. ...
2
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0answers
42 views

Unable to permanently turn off time stamp display in QGIS Time Manager

Using QGIS 2.10.1 Time Manager, I wish to permanently turn off the time stamp display for one particular project. In Time Manager Plugin > Settings I uncheck "Display frame start time on map". The ...
2
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0answers
160 views

Plug-in Install troubles

I tried to install following plug-ins into QGIS2.8.(My PC is Win8, 64bit.) *Table Manager *Group Stat But error message says "The Plug-is is broken. Python said: GroupStats instance has no attribute ...
2
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0answers
48 views

QGIS TimeManager plugin: how to define the settings from the python console?

rather than defining interactively the 'Settings' of the QGIS Time Manager plugin, I would like to have the possibility to set them using the python console. This would save a lot of time in case one ...
2
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0answers
341 views

C++ plugin deployment

I´ve downloaded the C++ code for the qgis_hello_world plugin from GitHUB (https://github.com/thebigspoon/qgis_cpp_plugin_cookbook) I compiled with Visual Studio 2012 express on a win7 machine (though ...
2
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0answers
175 views

XYToPoint PlugIn

Please is there any limited to the number of records (rows) and or attribute columns as I am trying to assign X & Y coordinates to a DB table but unfortunately it is not displaying anything on ...
2
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0answers
386 views

Data Upload Error for QGIS Cloud

I'm just taking a stab at QGIS Cloud to investigate it for a potential client, and I am pleased with the functionality of the web-viewer based on the sample maps. Although I cannot upload my own data. ...
2
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0answers
465 views

Minidump on exit in QGIS (2.8.2- Wien) 64-bit version when using GDAL in plugin

I am working on a plugin for QGIS that is working fine on 32-bit versions but I am having some problems while using it on the 64-bit standalone installation package. I have tried on several machines ...
2
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0answers
511 views

How to edit the GUI of a QGIS plugin not made with the plugin builder?

I edited a python plugin's code and had to change the UI a bit as well. However, unlike in the plugins I made from scratch with the plugin builder, the UI doesn't automatically update in QGIS when I ...
2
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0answers
169 views

QGIS python originalName() does not return actual original layer name

I am writing a Python QGIS Plugin, using QGIS version 2.6 as the basis for development. When loading data into the canvas programmatically, I am trying to maintain the spatialite table name as the ...
2
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0answers
144 views

Running QGIS viewshed plugin from console?

I want to run the viewshed plugin from the console/ in a script in QGIS. Do you know if this is possible?
2
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0answers
996 views

QGIS Plugin Import Error on QGIS start

I have been getting a bit of an odd error when starting QGIS concerning the loading of one of my own plugins Traceback (most recent call last): File "G:/OSGEO4~1/apps/qgis/./python\qgis\utils.py", ...
2
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0answers
130 views

What should i do if the Repository tab “Status” was indicating “unavailable”.? (using proxy server)

In the plug in Repository tab. The "Status" was indicating "unavailable". I tried "hawkens" suggestion about the HTTPproxy thing but it didn't work (the network that I am using is a proxy server). ...
2
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0answers
128 views

How to load dxf2Shp Converter plugin from the in build python console in QGIS 2.6?

I'm trying to write a script to automate loading of dxf2Shp Converter using the build-in python console. The script should open the pop up of that plug-in. I've tried using .available_plugins/....
2
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0answers
1k views

How to open a second window in QGIS plugin from a button inside the main window

If I already created a qgis plugin, and i need to create a button inside that plugin that opens a new window, how is that possible? Qt creator won't add a slot unless there are a header file. I looked ...
2
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0answers
447 views

Using Space Syntax Analysis plugin for QGIS?

I'm trying to run the Space Syntax Analysis plugin for QGIS. I've added the metadata file that was missing, but it does not appear in the Plugin toolbar when I click on it. Can someone help me to ...
2
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0answers
108 views

How to do LOS Analysis in QGIS?

I am not able to do LOS analysis in QGIS. I have point Features and Raster SRTM Data. I have installed the LOS Plugin in QGIS but not getting any results. Kindly suggest?
2
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0answers
941 views

Using custom behaviour on right click and actionPan on left click in QGIS plugins?

I implemented a maptool that draws a red cross on the point that is being right-clicked on. There are good how-tos, such as this topic : Programatically check for mouse click in PyQGIS? But I happen ...
2
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0answers
638 views

How to export data from sql database in the decimal format in QGIS?

Currently I am working with QGIS and fetching data from SQL server and export it in the format of shapefile in QGIS. While importing the data from sql server attribute table showing data with ...
2
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0answers
313 views

Get signal on edited feature?

Regarding my pyqgis plugin 2.2 , I've implemented signal on a vector layer event successfully. For instance, whenever i create a new feature, i can read a new basic message appeared via QGIS logging ...
2
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0answers
147 views

Modifying properties of Attributes Table in QGIS?

In my QGIS project I'm using vector layers that require a lot of data inputting/editing. The problem is that some of the data I'm inputting varies greatly in matter of length and structure (various ...
2
votes
2answers
301 views

Is it possible to customize openFeatureForm of PyQGIS?

I am a beginner at PyQGIS. I am trying to create a plugin, which will be used to Add, Delete, and Edit the Feature. It is more customized than which is provided by QGIS (2.2). I am capturing the ...
2
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0answers
46 views

Why is node tool deleting unselected points in lines?

I am freehand editing lines to a shapefile on Mac QGIS 2.2.0, and have my snap settings at vertex and segment @ 20 pixels. The lines are roadways and I have merged them all into one feature and merged ...
2
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0answers
673 views

Google Maps Engine Connector error

I have recently installed the Google Maps Engine Plugin for QGIS 2.0 and it doesn't seem to work. Whenever I click on the Log in button it pops up with: Google Error:invalid_client Bad request. ...
2
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0answers
137 views

Is the postgis layer option in qgis 2.12 Lyon two way? Was the spit plugin built in?

I am trying to install Postgresql with Postgis on a remotely accessed terminal only installation of Ubuntu 14.04 that I want to use to connect to QGIS 2.12 and hopefully have a two way transfer ...
2
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0answers
120 views

QGIS crashes when trying to open ecw files

I added Ubuntugis unstable repo and installed Qgis, libgdal-ecw-src, libecwj2-3.3 but still does not work. When I attempt to open an ecw file with Qgis it crashes and tells me: 'std::length_error': ...
2
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0answers
192 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
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0answers
182 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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0answers
1k views

GRASS Plugin to QGIS error

I am installing QGIS and GRASS as part of an FOSS GIS class I'll be teaching this summer. I used the OsGeo4W installer. This installer has always worked flawlessly for me except on the machines at the ...
2
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0answers
154 views

QSpatiaLite: Cannot create table

I am running QGIS 1.8 (SpatiaLite 3.0.1) and QSpatiaLite 6.0.1. I have a spatial table EventPrecise (with geometry column p in EPSG:4326). I want to join this table with another, non-spatial table ...
2
votes
0answers
138 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 ...
2
votes
0answers
274 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
0answers
64 views

Is there a way to distinguish between digitized and pasted features?

Is there a way to tell if an added feature in QGIS is in fact a newly digitized one or a pasted feature? I think QGIS is treating both cases in the same way, emitting the same signal: ...
2
votes
0answers
422 views

Postgresql Query Plugins Not Returning Results in QGIS

I'm using the Fishnet function as described here to create a grid. If I use the following SQL to call the function to position a grid where I want it (I'm using NZGD2000 SRID = 2193) the query ...
2
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0answers
85 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,
2
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0answers
607 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 QtSql(tested ...
2
votes
0answers
741 views

Accessing MySQL data from python built-in console of QGIS?

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 ...
2
votes
0answers
311 views

What do I need to build a C++ plugin on windows 7?

I want to make a plugin in C++ and I need to write and build it in windows (Im better with *nix systems). While I have skimmed the various updated C++Plugin docs I can understand if I need to build ...
2
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0answers
95 views

Is there a way to link eVis with time manager in QGIS

I have a point vector layer created from way points of a GPS. I then used the eVis plugin to view geotagged photos for each of these point. I also used the time manager plugin to play through the ...
2
votes
0answers
179 views

Are there Plugin Compatibility Issues between QGIS 1.6.0 and 1.7.4?

I've been working on a QGIS plugin on Quantum GIS 1.6.0 Copiapo with Python 2.5 that calculates additional values for eachf feature of a vector layer and adds them to the .dbf. We've just upgraded to ...
2
votes
1answer
89 views

labelling polygon by clicking on polygon in QGIS

I would like to check if it is possible to have some sort of dynamic labelling of the polygon shapefile by clicking on selected polygon within this shapefile. Is this possible on the QGIS gui? For ...
1
vote
0answers
26 views

Error: QGIS VectorFieldCalc plug-in “Raster_Parameters_Errors: More than one raster band in raster”

I have used VectorFieldCalc plug-in in QGIS several times before, to make maps of marine currents from .nc satellite data. Recently, I have tried to redo some of the maps and when I try to calculate ...
1
vote
1answer
53 views

Get the whole path and name of selected layer from QcomboBox in QGIS plugin

I am creating a temporary plugin for QGIS using the QGIS plugin builder plugin. Aim is to learn how to make plugins in QGIS. I have added two comboBoxes that allows the user to select a vector layer ...