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The problem Field delimiters are not correctly recognized, see your last screenshot: all attributes are in one single field. Semicolons should work as delimiters, but are not recognized as such. The s …

Short answer Avoid special characters for folder and file names. Use only letters, numbers and underscores, then the problem is solved. Details I could now finally reproduce the behaviour you describe …

If using QGIS raster calculator, use this expression to return pixels of band1 if band 2 and 3 are bot > 0.6: ("raster@3">0.6) * ("raster@2">0.6) * "raster@1" Be aware - the just released QGIS versio …

Move the symbol layer containing the point symbol below the line representing the arrow: To avoid overlap at all and to make the arrow-line shorter, you can set the symbol layer type to geometry gene …

You must convert you point layer from multi- to single part: Menu Vector / Geometry Tools / Multipart to singleparts.

Styling polygons: Different fill styles Dense (1 to 7) Horizontal/Vertical/Diagonal/Cross line patterns (see first screenshot) Point Patterns Gradient Fill (use grey instead of black) Each of those …

To avoid manually updating the categories, simply click the Classify button each time you made a change:

What, in fact, is a heatmap all about? Using a tool like Heatmap without understanding how it works and what it means is dangerous as you visualize something without knowing what it means. Then better …

The answer by @JesúsPinilla is the way to go. However, just to show another way how to do it - including the possibility to create this either just for visualization without creating a new layer (usin …

Inspired by the solution by @ahmadhanb, you can set a label with the following expression for the input (Value). Labels are easier to handle than geometry generator and the expression is simpler. Use …

What you can always do (if you want to displace the points only for visualization, not creating actual geometries) is using the geometry generator with expressions to displace the points (or the diagr …

As you have Multipart geometries, you must be able to address each part individually. This can be done using the variable @geometry_part_num (current geometry part number for feature being rendered), …

Instead of symbology, use Provider Feature filter: open layer properties > Source > Query Builder and add this query: "Drilled ID" IN ('value1', 'value4', 'value8') Be aware that your field name co …

You can connect the points using geometry generator. Let's say you have two points layers, where the fid is matching the potints in each layer you want to connect with a line. For demonstration, I jus …

Another possibility is to apply menu processing / toolbox / explode lines and expode the line, i.e. to create a separate line from each line-segment. Now you can color each segment of the original lin …