Creates 'Viewshed' Grids from the Item origin over source Grid Items from another Overlay.
{ "Operation": "Item.ViewshedGrid", "PropertyMap": { "_filter$": "_FC& IN (1,2,3)", "_overlay$": "LayerName", "_radius@": "1" } }
Note:
Properties shown in RED are mandatory.
Filter expression
A filter expression, eg '_FC& IN (1,2,3)' or 'grid_type$="DEM"', to use when finding the source Grid Items
Overlay
The name of the Overlay containing the source Grid Items
Radius
The 'Viewshed' radius, as a simple value, or as an expression, eg '12.34' or 'Max(123.4,broadcast_range#)'
Back to Processes Analysis title page
Send comments on this topic.
Click to return to www.cadcorp.com
© Copyright 2000-2017 Computer Aided Development Corporation Limited (Cadcorp).