Software plugins that add functionality to the QGIS package

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2
votes
1answer
59 views

I don't really understand how .xml files interact with QGIS

I just saw Why are the Google basemaps no longer appearing in QGIS? and I don't understand the answer from user Thomas Horner. Could someone explain why a .xml can be loaded as a raster?
0
votes
0answers
24 views

QGIS dxf2shp and the unit of text rotation angle

My problem is the following When Importing dxf with dxf2shp the rotation value for the text isent there Here is part of my DXF file : _______________ TEXT 5 6881 330 6970 100 AcDbEntity ...
1
vote
0answers
75 views

Install photo2shape

I tried to use the photo2Shape plugin in QGIS ver. 2.12 . To be able to carry out photo2Shape plugin I must install ExifRead. How do I install ExifRead, so that the photoshape plugin can be active. I ...
0
votes
0answers
32 views

CMYK colors in QGIS [duplicate]

Is it possible to deal with CMYK colors in QGIS (or in a QGIS plugin) ? It would be a good thing to choose directly the colors in CMYK and generate PDF with CMYK colors for the publishing compagnies. ...
1
vote
2answers
50 views

Transparency parameter of colors (vector, legend,…) not working in QGIS?

It's a pity that QGIS offers to set transparency in the selecting color tool, but doesn't save it... Explanation : I guess that the AA (in French, sorry) in #RRVVBBAA would enable to set transparency ...
2
votes
1answer
54 views

How to display information when a certain dataset is loaded into QGIS?

I need to show the quality information of a dataset that was manually created by me, that is saved as a text file. The text file will "pop up" when the dataset is added into QGIS. I have no experience ...
0
votes
1answer
81 views

Flow mapper not working?

I am trying to run the test files for flow mapper plugin in QGIS but I run into an error message.
2
votes
1answer
142 views

AttributeError: 'module' object has no attribute 'classFactory'

I'm trying to compile a cython plugin for QGIS. The plugin is working on windows (32/64) machines but was never used on Mac before. I compiled the cython for python as described here but there are ...
1
vote
0answers
27 views

Which cell size should I use in the LecoS plugin?

LecoS asks for the cellsize when calculating landscape statistics. However, there is no such information in the metadata of my input raster layer. Pixel size is 0.00126545,-0.00126497, but that can't ...
0
votes
0answers
27 views

Cartogram Cancelled by User - No Null Data

I'm very new to QGIS and I'm trying to create a cartogram for my final project. However, while I have my data that I'm going to use and the shape files (provided by the US census) for the US, I can't ...
1
vote
0answers
36 views

create own plugin

With the QGIS plugin 'plugin builder' I create a new plugin. Then I followed the steps described on this website : http://www.qgistutorials.com/en/docs/building_a_python_plugin.html It works perfect ...
1
vote
1answer
70 views

DLL that uses QGIS

I want to create DLL which opens a dialog do some processing with QGIS and returns some data. I have searched many places but have not found the help I needed. I just want to read shapefiles and then ...
1
vote
1answer
41 views

store function attribute of class in QGIS plugin

I'm pretty new to python and pyqgis so the question will be pretty trivial.. I'm writing a plugin and in one script I have a class and some internal functions.. .... class ...
2
votes
0answers
13 views

It is possible to use a GDAL in plugin qgis? [duplicate]

I work on qgis plugin, and I say why not not work with GDAL, it'll be too useful. it is possible to integrate the GDAL library to develop QGIS plugin?
4
votes
2answers
1k views

Get a pixel value

How can i do this operation: I want to get a pixel value fro the satellite image (Landat, GeoTIFF, 7 bands) using qgis-python. What operators should i use? (for example in qgis's Python Console) ...
2
votes
3answers
173 views

All layers disappear after using OpenLayers

Not trying to do anything complicated here... I have a .csv with date/time and lat/long data. When I load it into QGis as a delimited text layer, everything appears fine at first: But, when I try ...
2
votes
1answer
70 views

pyQGIS Plugin Window Behavior?

I have made the UI of a qgis plugin using qt creator. What I want is that the plugin window should stay on top of the qgis main window only but not other other applications. I have got this code: ...
1
vote
0answers
34 views

Is it possible to remove the QGIS icon from dialogs windows using pyqt?

I am developing a QGIS plugin using PyQt 4.x and the QGIS API. The plugin uses several dialog windows (QDialog Class). Some of them (I don't know why some do and others don't) show the Qgis icon on ...
0
votes
0answers
28 views

Arrows plugin returning Python error

I'm trying to run the Arrows plugin on QGIS 2.10 (Win 8.1), but I'm getting an error message: Traceback (most recent call last): File "C:/.../.qgis2/python/plugins\arrows\arrows.py", line 79, ...
1
vote
2answers
244 views

Is there an update for QMarxan plugin version 2.4?

Is there an update for the QMarxan plugin which at this stage only works on version 1.8.0. I did read on one forum that this was in the process of being developed. Any feedback much appreciated.
2
votes
2answers
118 views

Insert image in QGIS Plugin using qt creator [closed]

I'm building qgis plugin and i use Qt creator to creat a form. I want insert a image and i use a label to do this. In the field pixmap i choose a file image.png. I save and in QGIS i reload a plugin ...
2
votes
1answer
85 views

Adding multiple plugins to custom menu in QGIS

I am new to Python and QGIS and attempting to create some plugins to replicate in-house tools used in other GIS programs. I have added a custom menu using Python and added the plugin to the menu using ...
0
votes
0answers
39 views

QGIS 1.8.0 ask me to install scipy

I need help in a step by step to install scipy via QGIS or via python, I'm not familiar with python language so the guide of Nathan's blog wasn't useful to me due that OSGeo4W don't recognize the ...
1
vote
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 ...
1
vote
0answers
31 views

Plugin error: Photo2shape QGIS Pisa [duplicate]

I am trying to install the plugin Photo2Shape to my QGIS Pisa with no success. Does anyone know how to fix error: No module name exifread. ? What I need to do essentially is to add geotagged ...
0
votes
0answers
18 views

ETRS89-LCC true scale

With QGis 2.12.0 I made a map with the "EPSG 3034 ETRS89-LCC" I then modified the parallels of latitude with custom ones by the rule of 2:6, so from: +proj=lcc +lat_1=35 +lat_2=65 +lat_0=52 +lon_0=10 ...
2
votes
1answer
143 views

How to get the extent of a group of Raster layers and zoom to it with PyQGIS?

I want to find a way to zoom to a group within the QgsLayerTreeView. The group only contains QgsRasterLayer. The indirect approach would be to create a QgsRectangle and serve it to the ...
1
vote
1answer
193 views

TauDEM tools in QGIS 2.10.1 Pisa (Ubuntu 15) are not in the Processing Toolbox

My TauDEM tools have disappeared in my latest version of QGIS. Any ideas how to get them back? They used to be in the processing Tab. Using QGIS 2.10.1 TauDEM Ubuntu 14 stable My other tools are ...
1
vote
1answer
29 views

Get values from metatada.txt

Is there a built in function in PyQGIS to import the values from a plugin's metadata.txt? I am developing a plugin and want to show the version corresponding to the value from metadata.txt. Is there ...
1
vote
1answer
135 views

Fixed position PopUp window on hover and click on map exported from QGIS with qgis2leaf

I have exported a QGIS map to leaflet using qgis2leaf plugin. I would like to have the popup window open on a fixed position (for example top-left) both when the user hovers over the location marker ...
1
vote
0answers
38 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 ...
4
votes
1answer
63 views

Saving a calibrated route in QGIS for “future” use

Can a Calibrated Vector (after using LRS) be saved with M values, so that the file does not have to be calibrated every time is used? We're currently working on State road data, and it has many ...
1
vote
1answer
31 views

Using qgis:lineintersection in QGIS console?

console usage for qgis:lineintersection processing tool has been given as below processing.runalg('qgis:lineintersections', input_a, input_b, field_a, field_b, output) and i loaded a polyline layer ...
0
votes
1answer
174 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 ...
3
votes
1answer
282 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 ...
2
votes
1answer
143 views

Loading layer from ComboBox in QGIS?

I made a plugin what has multiple combobox but i have problem with the information load from the second combobox it depends on the combobox 1st. In the first combo box, i can choose layers from the ...
2
votes
2answers
181 views

Set predefined scales in PyQGIS for standalone application

I am trying to figure out how to set the zoom scales to match those meant for OpenStreetMaps and Google Maps, etc., as I am using OSM for a basemap. I've looked all over the internet and can't seem to ...
1
vote
0answers
29 views

Pass information in external command line software from a python plugin file

it would be quite difficult to explain, I'll do my best.. I'm writing a plugin for QGIS (with the plugin builder, so the folder structure is straightforward). This plugin calls other software (that ...
3
votes
0answers
96 views

QGIS Azimuth and Distance Plugin curve

I have just installed the Azimuth and Distance plugin for QGIS and I have been testing it for use with our COGO workload. However when using the Anti-Clockwise ArcDirection method for a curve to the ...
6
votes
1answer
379 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?
1
vote
1answer
101 views

Automatically detect the polygons(Buildings) In QGIS

Am trying to instal BREC plugin in QGIS 2.4 and 1.8 for the purpose of automatically detect the polygons(Buildings) from raster(TIF) file but i can't find that plugin, its not available in plugin ...
0
votes
0answers
7 views

Error when I want to open GrassRaPlaT

Can you tell me please why grass RaPlaT don't execute when I enter the command "grass64-d". First it try to be open than appear an error, like that" I'm looking forward for a solution Regards
1
vote
1answer
336 views

Joining table data to features in QGIS?

I am trying to make a map using QGIS but I cannot join table data to features in QGIS. In ArcGIS for Desktop you just open the folder and then join the tabular table with the spatial data table. ...
1
vote
1answer
29 views

Spline plugin doesn't active after being installed?

I just intalled Spline plugin But then it is not activated on the toolbar What can I do right now? I use QGIS version 2.10.1-Pisa. Windows 7 x64bit.
1
vote
0answers
18 views

Copy/Paste Qgis Plugin or derive new Plugin from existing one

I created a Python Plugin for QGIS and I want to experiment with various versions of this plugin. Is there an easy way to copy/paste a plugin or to create a plugin from another plugin? ( Otherwise one ...
2
votes
1answer
260 views

QGIS Calculate distance between polygon vertices / find vertices that are within distance

I have polygon layer and i need to find (select, so i can export selected to new layer) all the vertices that are in provided distance to each other (like 2 meters). I already tried: 1. Export ...
3
votes
1answer
433 views

When does iface.mapCanvas().layers() get updated to the contents of QgsMapLayerRegistry.instance().mapLayers()?

Since the topic might be a bit cryptic, I'll try to explain where my problem is. I am currently developing a Qgis-plugin, where I am creating and adding some layers automatically, which I would like ...
2
votes
1answer
14 views

QGIS Coverity Scan

Can anyone clarify/tell me if the QGIS Coverity Scans (https://scan.coverity.com/projects/qgis-qgis) include plugin source code for plugins listed on https://plugins.qgis.org/? If not, the Plugin ...
4
votes
2answers
167 views

How to build QgsExpressions in python?

How can I build a feature request expression using variable inside expression? For example values = [1, 2, 3] for j in range( y ): it = vl.getFeatures( QgsFeatureRequest().setFilterExpression ( ...
1
vote
0answers
29 views

How would I build the syntax inside a request in the case I wanted to multiply 2 variables?

I would like add something to my previous question (here: How to build QgsExpressions in python?) How would I build the syntax inside this request in the case I wanted field_name to be also a ...