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Questions tagged [qgis-plugins]

Software plugins that add functionality to the QGIS package

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6 views

Using Plugin > Map Creator > Set Layer CRS

I am using map creator and I would like to permanently set the layer CRS value. I place multiple maps within one project on QGIS, and I have to manually set the CRS value each time a new layer is ...
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1answer
22 views

Using QMessageBox to debug during QGIS plugin development?

I am developing a plugin in QGIS 3.4 and usually I debug with QMessageBox. Everything is running ok until I debug a list and the result was this one. What happens?
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0answers
14 views

Qgis Python Plugin leaves orphaned variables in RAM, even after plugin reload [on hold]

My python plugin for QGIS 2.18 opens files with millions of features. To convert them in Qgis readable format, I run through several external python libs, one of them is a R-Tree tool, consuming 10G ...
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1answer
38 views

Method asPoint().x() doesn't work in QGIS 3.4.3 but did in 3.4.1

I have built a plugin which does essentially this equal sized polygons along line Main parts of the code are from user lejedi76 I have used this plugin for months now and it worked as expected. ...
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0answers
25 views

QGIS plugin - Works on PC, not on Mac

I'm adding some functionality to an existing QGIS plugin (EcoValuator from Key-Log Economics). After playing with the existing version of the plugin, it works on a PC, but not on a Mac. The issue is ...
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0answers
17 views

Semi-Automatic Classification Plugin install failure

I'm trying to download the Semi-Automatic Classification plugin in QGIS 3.4.1 but keep getting this error message coming up. Couldn't load plugin 'SemiAutomaticClassificationPlugin' due to an ...
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2answers
17 views

Overview, multiple rasters in map canvas

I work with multiple rasters and merging them into a VRT isn't an option. Is there a way to get info on what raster layer I'm looking at as a "mouse over" event within map canvas? I'm on version 2.18 ...
3
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1answer
68 views

Install QGIS plugin manually - Package not available in Plugin Manager

If it is helpful, I am using QGIS 3.4.3 (Madeira) and MacOS High Sierra v10.13.6 I am trying to install a QGIS plugin manually, I've been using the instructions from the PyQGIS Programmer's Guide by ...
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1answer
39 views

Is there any plugin that plots a profile from point survey data in QGIS 3

I used to work with the plugin ProfileFromPoints, but it is not avaible 8or updated) in Qgis 3. I wonder if there is another one which does the same or if there is an easy (foolproof) way to use the ...
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0answers
34 views

Printing plugin data on QGIS map canvas

I created a Python plugin in QGIS & when i am running my plugin it printing the data on python console. But i want that when i run my plugin it will print the data on QGIS map canvas. How can i do ...
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1answer
29 views

QGIS: Building heights and DTM to STL (or other format that CAD can read) [duplicate]

I have downloaded a DTM and building heights from UK Digimaps (we have institutional access) and would like to: Export them to STL or other CAD format. Is it possible to do this in QGIS or do I need ...
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1answer
47 views

How to Create Gradient map from GRID file in QGIS-3 Above?

I have a very important Question. I have a GRD file which can be opened in SURFER or QGIS or GIS. The problem is that how can I customize and make my grid file perfect? Here I have two photos which ...
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0answers
41 views

QGIS 3 Plugin with cascade list runs slower each time I launch it

I'm writing write a plugin for QGIS. Its first step is to select an item after having selected 'parents items', in a cascade selection. It works, but it is getting slower and slower after a few ...
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0answers
29 views

In QGIS, How to add the database connection in DB Manager via Python [closed]

I am using QGIS 3.0.2 I want to add connection settings in DB Manager via Python script. is it possible ? (I am interested in PostGIS and Oracle Spatial for now) This script will save the ...
1
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1answer
70 views

LAStools plugin in QGIS: ''The system cannot find the path specified."

I'm attempting to convert LAS files to a multipoint file using QGIS methods. I've found some documentation that suggests that v3.2 and up has LAStools available as a plugin so I downloaded the latest ...
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1answer
29 views

QGIS Helmert transformation plug-in: “Missing metadata file” error

I want to convert the integer coordinates with the x and y coordinates to the coordinates of ED50. When I install the QGIS 2dhelmert plug-in, I get a 'missing metadata file' error. How do I solve this ...
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1answer
37 views

Launch Processing tool UI in pyqgis

This is a duplicate of Launching Processing tool User Interface using PyQGIS. However, the answer provided is not correct for QGIS 3.4.1. from processing.gui.CommanderWindow import CommanderWindow ...
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0answers
71 views

Unable to get QGIS 3.4 to work correctly with a clean install - Windows Registry Remnants

I installed QGIS 3.4 and I keep getting errors attempting to use certain tools. GRASS r.slope.aspect via QGIS 2.18 vs QGIS 3.4 - not working I uninstalled but it is not removing all traces of the ...
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2answers
85 views

Cannot open .osm file in QGIS

I want to view a .osm file that was generated from an Overpass API query. I tried the steps given in QGIS tutorial on OSM wiki. The tutorial says Start QGIS Desktop Go to: Vector (menu) → ...
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2answers
108 views

How to run Python script in QGIS via plugin

I am an absolute beginner in QGIS no idea in this field. I just created a Python plugin with pluging builder in QGIS successfully PYTHON_PLUGINS_PATH/ MyPlugin/ ----------------- inside it contain ...
1
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1answer
38 views

AttributeError: 'QgsRasterLayer' object has no attribute 'pendingFields'

Remember i am using Python Version 3.6.2 QGIS Version 3.2 while running my code i am getting this error: fields = selectedLayer.pendingFields() AttributeError: 'QgsRasterLayer' object has no ...
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0answers
87 views

QGIS 3.4 Couldn't load SIP module. Python support will be disabled on Windows 10

I upgraded from QGIS 3.2 to 3.4 and bad things happened. On start-up I get the error. Couldn't load SIP module. Python support will be disabled. Traceback (most recent call last): File "", line 1,...
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0answers
29 views

QGIS 3.4 Processing Python Scripts folder default configuration is lost

I have lost the default configuration of the 'Processing Python Scripts folder' on QGIS 3.4 and in consecuence some Python processing scripts and plugins cannot work properly because they cannot find ...
2
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0answers
25 views

Copying Table of Contents from QGIS into Excel?

Is there a way to copy and paste the contents of the Table of Contents in QGIS into an Excel spreadsheet? For example, I have many layers (groups of vector shapefiles which are underneath various '...
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1answer
52 views

Installation of Whitebox plugin in QGIS 2.18

I want to install the plugin Whitebox (https://plugins.bruy.me/processing-whitebox.html) into QGIS 2.18 but it is not listed in the Plugin Repository. I have the zip file. Is it possible? I have ...
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0answers
42 views

QGIS server installation issue: Missing ordinal 4445 in libcurl.dll

I have been trying to install QGIS server on my system (Windows 10, 64bit Operating System), and it has been very hard for me to achieve. I have downloaded Osgeo4W, and from there have installed '...
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0answers
55 views

Creating 1km square grid [duplicate]

I am trying to make a 1km square grid using QGIS 2.18.26. I am using EPSG:4326. I need it to be exactly 1km square because that's how the variable data has been collected. I am struggling to get ...
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1answer
46 views

Using CLUZ plugin in QGIS 3.4.2?

I wanted to install the plugins CLUZ and Marxan in QGIS, but both do not appear when you search for them in the plugins sections... Does anyone know why this is the case, or how can I use CLUZ then? ...
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0answers
32 views

Generation of documentation for QGIS plugin

I've written rather much docstrings etc. in my QGIS plugin, mostly in order to keep track of the functions for myself, but it would be nice to have some more documentation, like a sphinx page. I ...
2
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0answers
46 views

Add own plugin repository to QGIS 3.4

I want to add a repository (bitbucket repo from atlassian) to my QGIS 3.4. The repository is not public, and I have a p12 certificate to access the repository. In that repository, I only have one QGIS ...
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1answer
32 views

MOLUSCE plugin is not available for QGIS 3.4

I have updated QGIS into 3.4 Madeira version. I can't find MOLUSCE plugin in this new version. Is it not available for newer versions?
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3answers
34 views

QGIS - Timemanager not working with Integer Timestamp format

I'm trying to create an animation using Timemanager on QGIS 2.18 but I'm struggling. I have a dataset composed by a list of businesses and their opening/closing time. This is what the dataset looks ...
2
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1answer
64 views

Compile and load QGIS3 plugin

Win7 x64, QGIS 3.4 installed through OSGeo4W with 'Advanced Install' Here's my workflow: Get the template directory from PluginBuilder3 Navigate to this folder in the OSGeo4W Shell Use call "...
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0answers
28 views

Is there a way to use the project layout if using a plug in that creates batch maps through QGIS?

There is a plugin for biological records which creates batch maps for each taxon but it bypasses the premade project layout with a legend, picture of a logo and the copyright for each of them. Is ...
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2answers
49 views

Hosting a few shapefiles so multiple users could use and edit the same map

Is there a way to synchronize a QGIS map with vector layers so that 3 or 4 users can use and edit the same file? I have a plug-in that updates shapefiles on a layer and it would be great to ...
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1answer
28 views

How to get the Z values of existing lineStringZ with pyqgis?

I can get the values of 3D QgsPoints with mypoint.get().z() When I iterate through a layer to get a specific polyline and then iterate through the polyline to get the start and end points- start_point ...
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1answer
35 views

CAD Editing plugin in QGIS 3.0

Is there a plugin with CAD tools for editing vector entities such as lines and polygons in QGIS 3.0?
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0answers
77 views

DEM - calculate shortest/easiest path over mountain range [duplicate]

In QGIS, I have a mountain range with a valley on either side (DEM raster file). Is there software or a plugin that allows me to calculate the easiest pathway over the mountain? The answers at Cost ...
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0answers
14 views

Offline Sync in QGIS to POSTGIS DB - Sync Failing - Reverting changes

Plug In: offline sync Program: QGIS 2.18.26 connected to POSTGIS database System: MAC OS High Sierra 10.13.6. When I am trying to sync the offline project back to POSTGIS with the offline sync plug-...
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0answers
32 views

Failed to load python Qgis 3.4 add-ins

I installed Qgis 3.4 Madeira and it worked fine, but now it throws me two errors The first is the following: The second is: By omitting the two errors that load with several defects, such as: a ...
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0answers
11 views

pyqgis processing: running multiple tools in a single algorithm

I have the following code that executes the v.clean processing plugin: params = { 'input' : input, 'type' : 1, 'tool' : 1, 'threshold' : 0.000095, 'output': ...
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1answer
93 views

Alternatives to QGIS Resource Sharing Plugin for QGIS 3.4.0

I have been trying to install the QGIS Resource Sharing Plugin in QGIS version 3.4.0. but it gives me the error message that this plugin is incompatible for all version above 2.99. Does anybody know ...
4
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1answer
45 views

Changing the coordinate value of a Pointz object with python

How can I change the X,Y or Z value of a Pointz feature with python in QGIS? I am trying to change the Z values of Pointz with a python plugin. I am first trying to pass the selected feature to a ...
0
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1answer
21 views

Why is i.histo.match missing from QGIS 3.x?

I'm trying to normalise and then mosaic two ASTER scenes (multiple bands in each). The GRASS tool i.histo.match has been suggested in a few places, but it isn't listed in the processing toolbox for ...
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0answers
56 views

WFS Client plugin fails to install on QGIS 3.4.2

After installing Desktop version of QGIS 3.4.2 (on Windows), installing the plugin WFS Client 2.0 (v.0.9.8) (https://plugins.qgis.org/plugins/wfsclient/) fails with the error shown below: ImportError:...
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1answer
19 views

Adding new feature in QgsVectorLayer with openFeatureForm leads to segfault?

In a QGIS 2.18 plugin, I'm trying to create new features in an existing vector layer and I want to display the attribute form so the user can fill the attributes data. The geometry is build before ...
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0answers
11 views

Raster-Projections-Plugin - Extract Projections not loaded

I am trying to generate a .wld file for a GeoTiff I have georeferenced in the GeoReferencer, but cannot see the 'Extract Projections' option in the menu or in the plugin list. Any ideas?
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1answer
11 views

Geodata farm plugin error

When i try to start GeoDataFarm Plugin in QGIS i get this error : "2018-11-26T08:32:18 WARNING Traceback (most recent call last): File "C:/Users/robert.banjad/AppData/Roaming/...
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0answers
26 views

Qgis Print Composer Could zoom and maintain scale

I am trying to make Qgis Print Composer zoom to feature and maintain a scale of 2500. However, the scale could not be maintained. It is showing a different scale for different page sizes. Below is ...
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0answers
19 views

Using Points2line but separating different data

I am trying to import GPS data points and use them to create a track line, for a long data series. Is there a way to get data with the same ID code to join only?