Hot answers tagged

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 ...
Babel's user avatar
  • 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/...
Babel's user avatar
  • 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 ...
Tom Brennan's user avatar
  • 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)....
Babel's user avatar
  • 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 ...
winnewoerp's user avatar
  • 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 ...
Taras's user avatar
  • 31.4k

Only top scored, non community-wiki answers of a minimum length are eligible