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1

I found that issue posted by me is a duplicate of this one: Empty vector menu in QGIS 3.0.0 . Mentioned ticked includes solution. As far as i know this bug still occures. Additional solutions may be find here: https://issues.qgis.org/issues/18202 .


0

This error was due to the wrong geometry of features in the layers layer1 and layer2. I validated all the geometry of the features and came to know that. The algorithm works fine now.


6

Most definitely there is an End Of Line issue in the CSV file. I would guess QGIS is on a Windows machine, and the CSV only has Carriage Retruns (CR) or linefeeds (LF), while it need both (CR+LF, or 0x0A + 0x0D). A simple fix is to convert all line breaks of the CSV file into CR+LF. Luckily it is an easy operation, and there are tons of options: Under ...


2

An alternative method could be to add the Set style for vector layer tool at the end of your model which should apply the specific style to your final output.


0

If you mean the Identify tool, the source code is on GitHub.


3

Good question. It is not obvious, but you need to copy your script algorithms to a specific folder to make your standalone script able to run them. You can easily see where your script algorithms should be located by adding a couple of lines to your standalone script: from processing.script import ScriptUtils print("Folder for script algorithms:", ...


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