3
votes
Generate points from raster image in QGIS
Quick and dirty, but effective solution:
By the way: you can improve the results if you increase the contrast between points and all other pixels before (in a graphic software). You could create a ...
- 67.2k
3
votes
Creating dummy (random) vector layers of different geometry types, with random attributes
Short answer
You can create a model to create a point, line and polygon layer at once that have correct geometries and topology. You can download the model from here: https://drive.switch.ch/index.php/...
- 67.2k
2
votes
Accepted
Color Vector Line Using Different Data Layer QGIS
You can split your original lines into smaller lines using the "Split lines by maximum length" tool from the Processing Toolbox. The default is 10m, but the best length is going to depend on ...
- 3,860
1
vote
Deleting points close to each other using QGIS (point thinning)
Solution: the idea
Buffer/dissolve you points, then select only one (the first) point per buffer, inverse the selection (to select duplicate points), delete the selected points (see below for details)....
- 67.2k
1
vote
Referencing an output in an expression in process modeler
You have to update to at least QGIS version 3.24 to reference previous algorithm outputs using @layer_name_OUTPUT in the expression builder. In prior versions it does not work because of an unsolved ...
- 1,269
1
vote
Finding middle point (midpoint) of line in QGIS
In PyQGIS 3 there are several handy methods available, particularly for:
Straight Lines
Since QGIS 3.0 there is midpoint() method from the QgsGeometryUtils class.
Returns a middle point between ...
- 31.4k
Only top scored, non community-wiki answers of a minimum length are eligible