Maptitude - http://research.umbc.edu/~roswell/maptitude.html
Kevin:
>I believe this functionality already exists within Caliper's Transcad
>program because of its value for displaying spatial interaction...so it
>wouldn't seem to be a big development issue to add it to the Maptitude
>toolbox.
You are right. They are called desire lines and are based on a geographic
file created from a matrix. A dual-bandwidth scaled-symbol theme gets
created by the Tools-Geographic Analysis-Desire Lines command to show the
AB and BA values for the lines in the geographic file that connect the
origins and destinations.
The matrix data structure and dual-bandwidth scaled-symbol themes are not
available in Maptitude, so it would be a big development issue to add this
capability to Maptitude. However, a desire line geographic file created by
TransCAD could be displayed by Maptitude with a regular scaled-symbol theme
for just one value, such as the flow from or to the origins.
Peter
----------------------------------------------------------------
Peter Van Demark
Director of GIS Products and Training Phone: 617-527-4700
Caliper Corporation Fax: 617-527-5113
1172 Beacon Street E-mail: [EMAIL PROTECTED]
Newton MA 02461-9926 Web site: http://www.caliper.com
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