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I am quite new to QGIS. I have temporal data per month for the period of 8 years for all Indian districts (+/- 650 districts). This means I have approx. 65.000 objects in my attributes table. Once I upload my file as a layer (a text delimited file) in QGIS using WKT-text, the polyons load extremely slow.

Is there anything I can do about this? I would ultimately like to use the time-manager to visualize my temporal data on India.

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    Use something/anything else than WKT text: PostGIS, GeoPackage, GeoJSON, good old shape files.
    – user30184
    Commented Sep 28, 2020 at 12:35
  • Thanks for the help. Does that mean I can just export/save the layer as a geopackage? Does that already do the job. I am not familiar with Post-GIS.
    – Kris
    Commented Sep 28, 2020 at 13:01

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You can speed up CSVs by using the spatial index as stated at QGIS user manual within this chapter.

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However, as already stated in comments, using another file format or especially a spatial database like PostGIS can have more effect.

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