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rhumbaflappy

GTOPO30 problem?

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I'm trying to create scenery using the GTOPO30 DEM's. I am using ASD 2.1 scenery designer with MSFS 98. I am using the DEM that conains the WEST INDIES area. The problem is all of my terrain tiles over Antigua are only showing a max. elevation of 1 meter and I know this is a mountainous Island in some areas. I have never run into this problem when using USGS DEM's for the USA.Any suggestions?

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Howdy:can't tell you why Antigua is flat in the GTOPO30 tile but you might want to have a look at the SRTM30 tile instead. It's the same data format and standard as GTOPO30 but these tiles are based on Shuttle Radar data (except for places with missing data) and seem to have more accurate relief representation.ftp://edcsgs9.cr.usgs.gov/pub/data/srtm/SRTM30Cheers, Holger

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Hi Lee.I think neither GOTOPO30, or SRTM30 are configured as USGS DEM. For that, you would need a conversion program.Dick

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