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Qlik Sense 3.1SR6 - the hypercube results are too large


I'm a beginner in using the software and I have a big problem with opening a KML file (22 MB). Here is file ( www.geo-spatial.org/file_download/29520 ).

I converted the file to one decimal with https://www.gearthblog.com/blog/archives/2016/03/making-kml-files-smaller-reducing-precision.html and not work.

I do not find a similar KML file.

Can you help me open the file?

Thank you!

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Lifting the discussion for experts?

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I solved this case with software QGIS 2.18.11.

In software:

Layer -> Add Layer -> Add Vector Layer (ctrl+shift+v) and open file

Vector -> Geometry tools -> Simplify geometries -> and tolerance 0.02 -> Run

for save file in KML

Layer -> Save As -> Format [KML] -> Select file name -> OK

from 682880 point (22MB) in 2249 points (84.2KB)