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Question

Cylindrical to Conic reprojection of Global rasters

  • June 19, 2020
  • 1 reply
  • 9 views
D

I'm trying to reproject rasters from WGS84.PlateCarree to LambertAzimuthalEqualAreaSouthPole using a Reprojector Transformer,they have varying extent/ Resolution and Spacing.

It often fails, my suspicion is that it has a lot to do with the extents of the input raster, particular when those extents are approaching linear unit values that represent the dateline and 90 / -90 latitude receptively . Sometimes the transformer runs successfully but just produces a very narrow vertical strip other times it fails and leaves translation log outputs like this

(You can see the extents of the input raster here i was using).

 

Are there any set rules that i should be following to guarantee success?

I can give more details and examples if necessary.

 

 

Many thanks

David

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1 reply

redgeographics
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Not a definitive answer, but something you may want to try is clipping the input raster to be a little bit smaller (although that may leave you with a little bit of a gap after reprojecting). Alternatively, as this is a south pole projection, cut out everything north of the equator.

 

FME rocks! \m/

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