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File:Penang south Kedah heightmap ASTGTM2 N05E100 dem.png

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Description
English: A heightmap of Penang state and the southern part of Kedah with contour discontinuities every 100 m, plotted from ASTER Global Digital Elevation Model data at http://step.esa.int/auxdata/dem/SRTMGL1 and coloured as follows:
  • Alpha channel: Height of 0 m (sea level) adjacent to the sea is fully transparent, otherwise fully opaque
  • Green channel: Height normalised from 0 m (value 0) to 1856 m (value 255)
  • Red channel: Height in metres modulo 100
  • Blue channel: Height in metres divided by 100, then floored
Hence, each point's blue value * 100 + red value gives its height in metres.
Source Own work
Author Cmglee
Other versions
File:Penang_Island_heightmap_ASTGTM2_N05E100_dem.png

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Date/TimeThumbnailDimensionsUserComment
current18:59, 29 October 2013Thumbnail for version as of 18:59, 29 October 20133,601 × 3,601 (8.41 MB)Cmglee{{Information |Description ={{en|1=A heightmap of Penang state and the southern part of Kedah with contour discontinuities every 100 m, plotted from ASTER Global Digital Elevation Model data at http://gdem.ersdac.jspacesystems.or.jp/download.jsp and...

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