Software plugins that add functionality to the QGIS package

learn more… | top users | synonyms

0
votes
0answers
60 views

QGIS 2 leaf plugin - How can I receive legend in Czech language - letters with diacritics missing

I am using QGIS 2 leaf plugin and on the web my index.html don't show in the legend letters with diacritics. When I see the html code there is . It doesn't enable languages like the Czech language? ...
3
votes
1answer
66 views

Need to Quickly Add Multiple Layers From Multiple Folders To QGIS Project

I have downloaded several imagery Zip files (content of each is jp2, jpg, jpw, xml, htm, and .dbf, .prj, .sbn, .sbx, .shp, .shx) and would like to quickly add this imagery to my working project in ...
1
vote
2answers
249 views

QGIS plugin: Problems importing resources (resources_rc) file - plugin doasn't load - PATH problems?

I'm building qgis plugin and I can't find solution for this error. File "/usr/lib/python2.7/dist-packages/qgis/utils.py", line 478, in _import mod = _builtin_import(name, globals, locals, ...
1
vote
0answers
27 views

QGIS plugin : connect to polygonselect Maptool signals

Working on a new plugin I am trying to connect a custom function to the mouse right-clic signal while using the polygon selecting maptool. I have activated the maptool through : def run(self): ...
0
votes
0answers
50 views

How to store a triggering action and events and call them when needed using python in qgis

Can anyone explain in detail how to store the triggering action or an event that take place in the mapcanvas in a variable and call the same when needed in python. Say for example,say i have ...
0
votes
0answers
26 views

Change programmatically to RuleBasedRenderer

After loading a shape as layer in qgis i want to use a rulebased renderer instead of the categorized one. i've tried this code: QgsVectorLayer* ...
1
vote
1answer
40 views

Initalize plugin with current working directory?

Upon starting Qgis, a (currently under construction) plugin needs a means of checking the current project/legend/registry. This checksum would ideally occur upon startup automatically. As the plugin ...
2
votes
1answer
84 views

PyQGIS: Is it possible to replace an action triggered script by one supplied through a plugin?

In ArcView 3 all controls (menu choices, buttons, tools) had scripts associated with them that could be changed simply by supplying a script with the same name through an extension (plugin). That way ...
1
vote
1answer
32 views

Openlayers plugin not displaying any source

I was previously using QGIS 2.2 and using the openlayers plugin to display google streetmaps on an area. Reopening the project several months later I found that this layer no longer displays. In fact ...
3
votes
2answers
88 views

Loading Grass 7.0 vectors in QGIS broken?

Running QGis 2.8.1 in Win7 (64bits), installed through OSGEO4W. When trying to load a Grass 7.0 vector file in QGis, the program will simply crash without any notice. I can load old Grass vectors ...
1
vote
1answer
63 views

Plugin to run one function when run button is clicked

My plugin gui is attached below which has two functions one is selecting state, cities from the combo box and distance to be entered in the lineedit and the other is if we click a pushbutton it will ...
-1
votes
1answer
36 views

List printing same values as a buffer output instead printing unique values

I have a list of features selected in the mapcanvas and for that selected features i am doing buffer and printing the feature names that are inside the buffer. While printing,all values in the list ...
0
votes
0answers
41 views

How to create custom input widget using Plugin builder?

I am trying to develop a plugin that takes in user input for the time, using the QGIS plugin builder. However, I want to specify the different times the user is allowed to select from when the plugin ...
1
vote
1answer
122 views

Convexhull for selected features and performing buffer for the resultant convexhull using python

I have features selected on the mapcanvas. I want to perform convex hull for those selected features and save those in a memory or store it in a variable preferably and then want to do buffer for the ...
1
vote
1answer
148 views

Save Vector layer and update .qgs project file (pyQGIS)

need help to solve the following use case: QGIS started with new project (no layers) New layer is created programmaticaly and data is populated: vl = QgsVectorLayer("Point", "temporary_points", ...
0
votes
0answers
42 views

Parcels management and land ownership

Is it possible for me to split a feature by the column area i input?Like A feature has 3000 sqm and i have in attribute table column 1= 2000sqm and column 2= 1000 sqm and based on this 2 colums to ...
0
votes
0answers
97 views

Creating Convex hull and finding buffer in QGIS

I have a layer and features are selected using Select Features by freehand tool and for that selected features, convex hull was done and for that convex hull i am trying to find buffer and write it in ...
1
vote
1answer
47 views

Buffer for features selected in the mapcanvas and writing to csv file

I have some features selected by using "Select Features by Freehand" tool in QGIS and try to find the buffer for those selected features alone and write the city and state names within in the buffer ...
2
votes
1answer
65 views

Odd behavior in a QGIS plugin: my function is triggered twice

I have a plugin with a function (triggered by a button) that selects a specific layer by name, then shows its attribute table. When I close the plugin and open it again, the attribute table pops up ...
2
votes
3answers
43 views

QGIS python plugin appends values every time it's started

I've written a small python plugin (using plugin builder as base) to simplify the expression process for a given layer (just a few comboboxes that are used to create a query). The combo box populating ...
0
votes
1answer
38 views

Where can I get the Cadinput plugin for QGIS

From Stackexchange, I got to know that Cadinput plugin could do this work. I need to create a line feature specifying the desired length and bearing in an open source GIS (Preferably QGIS) as in CAD ...
1
vote
1answer
63 views

How to do a buffer operation for a polygon drawn by the user using python in QGIS

I have a polygon drawn on the map canvas.Say the polygon would be drawn by using "Measure Area" tool in qgis.Now, I want to do buffer for certain distance around that polygon.I can see the below ...
1
vote
2answers
152 views

Can't compile plugin builder plugin in QGIS 2.4 (Windows)

I'm trying to build a basic plugin using plugin builder but I can't even compile it. I tried following a few tutorials and just trying to compile whatever but that always results in the same problem. ...
5
votes
3answers
1k views

Error when creating a new mapset with GRASS in QGIS

When I try to create a New Mapset with the GRASS plugin in QGIS I get an error or the program crashes. QGIS 2.6.1 (32-bit install, Win7). QGIS crashes completely when clicking "Finish" in the New ...
-3
votes
1answer
39 views

Warning message needed when there is no specific layer instead of python error

In my plugin, when I click a button it will call the findTheCityNames function which is attached below and get features if there is a particular layer. What I want is if there is no specific layer in ...
1
vote
1answer
112 views

How to get a layer by name in PyQGIS?

I have a plugin which finds buffer for list of cities, provided the distance. The state and city names are taken from the attribute table and gets filtered accordingly. What I want is My plugin should ...
2
votes
1answer
244 views

QGIS moving the layer/all features using Vector Affine Transformation

I'm using QGIS to analyse some flight tracks which were produced using a different software. Now when they are on QGIS the reference point of everything is on 0,0 which is the aerodrome reference ...
-1
votes
1answer
124 views

Global name canvas is not defined

I am just trying to print the layer name using python in my QGIS plugin by following code. allLayers = canvas.layers() for i in allLayers: print i.name() It is saying an error: Global name canvas ...
0
votes
0answers
39 views

How to select the buffer region in map canvas in my plugin using python

I am developing a plugin which finds buffer by getting state name, city name and distance given by the user. The plugin works fine and writes the cities that matches the distance in a CSV file. What i ...
1
vote
1answer
28 views

Error while trying to replace a opened csv file with the newone in my plugin

My plugin does some basic geoprocessing functionalities and write the output as csv file. What i want is when i open some already writed output csv file in a writable mode and try to replace the same ...
1
vote
0answers
11 views

How do i select specific time and download quality MOD021KM data

I am trying to download MOD021KM for net primary production estimation, and am so stuck on how to download the data and selecting the best time of a day using LAADS website. Morever which values for ...
2
votes
5answers
275 views

How to export attribute table with start and end coordinates of lines to Excel?

I am working in QGIS. I have a georeferenced line layer and I want to export the attribute table and the coordinates of start and end points of my lines to Excel. Can I do this with QGIS?
0
votes
0answers
26 views

Error in finding buffer

I am trying to find a buffer for city provided a state, distance and filepath to write as csv. What i am facing is that the name which i selected in the city combo box alone gets writed in the csv ...
1
vote
1answer
42 views

Removing the duplicate values in QCombo Box

In my plugin, there is a combo box which lists city names for a particular state. FOr example, if i chose a particular state and city will be some 20 names in the dropdown. But the first name alone ...
1
vote
1answer
49 views

How to compute buffers for certain features?

I used the following snippet of codes for finding buffer. def buffer(self): layer = self.iface.activeLayer() distance = float( self.dlg.DistancelineEdit.text() ) city = ...
3
votes
1answer
90 views

How to import fromUtf8 in QGIS?

# Declare instance attributes self.actions = [] self.menu = self.tr(u'&City_searcher_plugin') # TODO: We are going to let the user set this up in a future iteration self.toolbar = ...
0
votes
1answer
117 views

How to trigger a QGIS action when a plugin button is clicked?

I tried calling the select free hand tool by below snippet of code. iface.actionSelectFreehand().trigger() I dnt have any idea how to call this when i am pressing a button in GUI. my gui is ...
0
votes
0answers
37 views

Error in my buffer plugin

In my buffer plugin, i tried the following code # Get buffer distance and selected city dist = float( myLineEdit.text() ) city = myComboBo.currentText() # Get the feature corresponding to the ...
1
vote
1answer
93 views

How to call default tool in QGIS inside plugin using python script?

I want to create a plugin which can draw irregular polygons in QGIS. For that, I want to call the Select features by freehand default tool inside my plugin. How can I do this within a python script?
1
vote
1answer
97 views

How to connect Excel file with QGIS?

I am working with QGIS and I want to connect with Excel. I have exported attribute tables to Excel. Now I want to connect Excel with QGIS in the way that if I change a line dimension, it will be ...
2
votes
2answers
77 views

Is it possible to set up a local QGIS Plugin repository?

I've developed a couple of custom QGIS Plugins for use by our office. I can't post them to the official QGIS Plugins repository as they reference/utilize sensitive data on our own servers. For ...
0
votes
2answers
34 views

Is there a list of free application modules (or “Fachschalen”, in German) for QGIS somewhere?

I'm looking for application modules (in the form of plugins) that cover sets of related tasks like asset management, in a basic UI. A simple use case example: a water gauge (point feature with a 1:n ...
1
vote
2answers
2k views

How to export attribute table to Excel from QGIS?

I have seen all the questions for this question, and I try all the answer like copy paste, csv (in fact this I don't know where to find) but none of all is not the right answer. Can anyone help me?
0
votes
0answers
192 views

Couldn't load plugin processing in QGIS: Access is denied for R

Couldn't load processing plugin due to flowing error. Any help? thanks. Couldn't load plugin processing due an error when calling its initGui() method Traceback (most recent call last): File ...
1
vote
0answers
103 views

QGIS 2.6 can't reload Python plugins

Im using QGIS 2.6 on Ubuntu 14.04. Suddenly a strange caching behaviour appeard in QGIS. When I change the plugin code and try to reload it with for example the Plugin Reloader plugin or when I reload ...
1
vote
1answer
53 views

how to generate metadata file for semi automatic classification plug in?

I am working on satellite images. The region I am interested in is only a fraction of the whole satellite images. My laptop slows down tremendously when working on the whole image. So I clipped the ...
1
vote
1answer
113 views

Getting a number from QLineEdit and passing it to the buffer function

I am developing a plugin which finds buffer. In that i am using lineedit for getting distance from the user and pass it to the buffer function. My current code throws an error "'QLineEdit' object has ...
2
votes
1answer
87 views

How does QGIS know there is a plugin update?

I've created a plugin and hosting the installation zip and xml file on a local network repository (for company use). Everything works fine but every time a user opens QGIS, it shows that the plugin ...
1
vote
1answer
73 views

Getting values from Qt widgets and using them for a buffer

I am writing a simple plugin that finds buffer. My gui has 2 combo box and 1 Line edit. The first combo box will have a drop down of values from column 'States' and 2nd combo will have a drop down of ...
0
votes
0answers
17 views

editing and moving curved text labels (along lines)

does anyone knows how to edit curved text label previously placed along a line?; and after converting it using Easy Custom Labeling plugin "Created labeled layer" tool, I obtain a point feature and I ...