I've got a worldwide SRTM grid in WGS84 and want to reproject it to UTM coordinates.

If I do so in parts of the world are strange tiles of the map (especially in Eurasia), which are not part of the UTM stripe. You see a example in the map below for the UTM 5N in a Mercator projected map. What are reasons for that?UTM 5N with strange map parts in Eurasia As resamping technique I used bilinear.

  • What does it look like in UTM? Is the problem occurring when converting from WGS84 to UTM or from UTM to Mercator? – mkennedy Mar 26 '18 at 22:36
  • The problem occurs, when I convert a WGS 84 Layer to UTM and want to show it in a mercator projected map. – David Mar 27 '18 at 6:30
  • Again, what does it look like in a utm map? What happens if you reproject it to mercator instead?? – mkennedy Mar 27 '18 at 10:18
  • In the UTM Map it looks normal, because the relevant areas are not in the map. When I reproject it to mercator those parts disappear. – David Mar 28 '18 at 8:56

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