Does anyone have experience of using either large grid files or tiled grid
files to represent, for example, elevation data?
We're trying to determine the best way to distribute DEM data for use by
MapInfo Professional (without add-in's). Options we've considered are: (1)
points (2) square cells as regions and (3) .mig files. Given around 10
million readings, option 1 would be bulky and option 2 even more so!
Specific questions on .mig files- (1) what is the size limit? (2) is the
limit related to the IDW algorithm? (3) are there alternative algorithms?
(4) has anyone written a .mig loader, say from a point file?
Experiences and alternative suggestions welcomed - will summarise.
Thanks.
Leslie Last
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DOTTEDEYES.COM
Geographical Information Consultants
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web: http://www.dottedeyes.com
email: [EMAIL PROTECTED]
telephone: +44 (0)1527 854830
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