open map data with height map


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Not sure if this is what you mean, but this was done in chief and then rendered in Lumion.   Need to have Sketchup Pro.


To be honest, it is essentially useless except for the general depiction of LARGE areas.   The LIDAR used is often 2-3 meter resolution, meaning the info can be off 5-9 feet


Not nearly accurate enough for true site mapping and benchmarking how a home will sit.


This is a broad map based on GIS just used to show cove lot and sun study.



This is an example of a detailed lot placement vid I made for a client.   There are several layers used.  One is gis based and then the detailed site model was done from a surveyor provided topo.   As you can see there is a significant difference.   With only a 12" error setting foundation ht, you can cost a builder $1000's.   Pay a surveyor and get an accurate model done.





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