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Does FME support reaching Geosoft Grid files with extension .grd ?

  • February 18, 2018
  • 1 reply
  • 63 views
S

https://pubs.usgs.gov/of/2004/1258/Data/grid_facts.txt

The magnetic and gravity grids are available in the following formats:

1. Geosoft OasisMontaj (*.grd, *.grd.gi) binary format

2. Grid Exchange Format (.gxf) (an ascii grid transfer format)

3. ESRI Spatial Analyst (.flt, .hdr) binary format

Best answer by daveatsafe

Hi @shahsamkit,

FME can read the Esri Spatial Analyst binary format, using the Esri .hdr Raw Raster reader. However, the .hdr files supplied with the data seem to be missing a few entries required by the reader to define the data type.

If you add the following entries to the Ascii .hdr file, the data will read correctly:

1pixeltype float
2nbits 32
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1 reply

daveatsafe
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  • daveatsafeSafer
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  • February 19, 2018

Hi @shahsamkit,

FME can read the Esri Spatial Analyst binary format, using the Esri .hdr Raw Raster reader. However, the .hdr files supplied with the data seem to be missing a few entries required by the reader to define the data type.

If you add the following entries to the Ascii .hdr file, the data will read correctly:

1pixeltype float
2nbits 32

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