Digitizing Soil Maps

How do you computerize paper maps? This booklet walks you through a sample project that digitizes published soil maps by using several TNT processes to scan, threshold, vectorize, combine, and finish a digital map containing vector polygons with attached geoattributes. The techniques can be generalized for other types of paper maps.

scanning techniques

auto-trace process

apply binary threshold

remove dangles / overshoots

select thinning method

mosaic multiple sheets

add georeference

preview filter results

close gaps

remove islands / bubbles

clean artifacts

import / attach geoattributes

Digitizing Soil Maps. (file date: 4 Jan 10)

More tutorial booklets ...

Find tutorials in your language ....

©MicroImages, Inc. 2010 Published in the United States of America
11th Floor - Sharp Tower, 206 South 13th Street, Lincoln NE 68508-2010 USA
Business & Sales: (402)477-9554 Support: (402)477-9562 Fax: (402)477-9559
Business info@microimages.com Support support@microimages.com Web webmaster@microimages.com

page update: 13 Aug 10