Vignette on using QGIS expressions with qgisprocess #143
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The error is just avoided by skipping a code chunk on Windows... The error being: Quitting from lines 98-105 (C:/Users/runneradmin/AppData/Local/Temp/RtmpMTIOIS/Rbuild1bb4257c5a60/qgisprocess/man/vignette_childs/_qgis_expressions.Rmd) Quitting from lines 34-36 (C:/Users/runneradmin/AppData/Local/Temp/RtmpMTIOIS/Rbuild1bb4257c5a60/qgisprocess/man/vignette_childs/_qgis_expressions.Rmd) Error: Error: processing vignette 'qgis_expressions.Rmd' failed with diagnostics: ! System command 'cmd.exe' failed --- failed re-building 'qgis_expressions.Rmd' SUMMARY: processing the following file failed: 'qgis_expressions.Rmd' This may hint at a possible windows-specific bug in qgis_process, e.g. involving the new QGIS function load_layer(). To be checked!!
jannes-m
reviewed
Mar 26, 2023
| An example is provided by the `DISTANCE` argument of `native:buffer`, for which we query the acceptable values below. | ||
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| ```{r} | ||
| qgis_arguments("native:buffer") |> |
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With QGIS 3.28.2 this results it:
|acceptable_values |
|:-----------------|
|A numeric value |Not sure, if this is the desired result
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ah, later on you say that this is only possible with QGIS 3.30 onwards, ok
jannes-m
approved these changes
Mar 26, 2023
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Thanks for reviewing and updating! |
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This vignette more or less depends on QGIS>=3.30 for some more involved cases. Some new features were recently added to QGIS to make more things possible in this area from R (qgis/QGIS#50481 & PR qgis/QGIS#51293; qgis/QGIS#50482 & PR qgis/QGIS#51412).
@jannes-m if you can propose other examples, feel free to do so.
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