Hello,
We have digitized many high resolutions maps of scale 1: 600
The width of the map is 1300 feet and the height 900 feet.
After the raster has been registered in non earth feet, the
on screen measurement of the raster and vector is 1300/900.
But when we take a print out in the same scale 1: 600 on a
HP 750C Designjet Plotter and measure the same with a scale
(that is measuring on the paper the conversion comes to
1297/905) and moreover this measurement is different for
different maps. Sometimes increasing sometimes decreasing.
But onscreen measurement is always correct.
Can any one explain this behaviour ?
Thanks
Koushik Bhattachryya
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Integrated Digital Systems
4B Sundaram
46F Rafi Ahmed Kidwai Road
Calcutta 700 016
Tel : 91 33 2290541/2295265
Fax : 91 33 4667974
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