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Question

CS:MAP GRID Fallback used on non existing coordinate


helmoetz
Contributor
Forum|alt.badge.img+13

Hi, my workspace reads WFS and gives me the warning

“CS-MAP: Coordinate (approx) 3E:47N outside grid file coverage; fallback used”

It seems to run fine any further, just I like to know where this message comes from, since this coordinate nowhere pops up on neither GetFeature nor GetCapabilities request. Indeed the approx coordinate does not fit within the dutch Grid, but it does not seem to come from the WFS source? 

My FME version is 2022.2.4

4 replies

helmoetz
Contributor
Forum|alt.badge.img+13
  • Author
  • Contributor
  • August 15, 2024

Ah, it seems to be a feature of the WFS reader, using WFS version 1.0.0 setting shows the message, version 1.1.0 does not.


crystalatsafe
Safer
Forum|alt.badge.img+18

Hi @helmoetz 

 

Thanks for your question! 

It seems that the data returned by the WFS server for versions 1.0.0 and 1.1.0 are slightly different.

There should be a GetFeature URL link in the log that you can paste in the browser or fetch via HTTPCaller to compare the coordinate system for the returned GML data.

 

If you need any further assistance, please don't hesitate to reach out! 

Crystal 


helmoetz
Contributor
Forum|alt.badge.img+13
  • Author
  • Contributor
  • August 23, 2024

Not sure if it really matters, the coordinate logged (red dot) is not even close to the Netherlands (purple rectangle) or even the (unused, green dot) origin of the epsg28992 coordinate system: 

 

 

 


crystalatsafe
Safer
Forum|alt.badge.img+18

Hi @helmoetz 

Was that screenshot from WFS version 1.0.0? 

If possible, would you be able to share a workspace template with feature caching enabled so that we can take a closer look. 

 

Crystal


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