Digital Terrain Modeling in GIS




 


Digital Terrain Modeling
using GIS allows easy creation of Slope Analysis, Slope Aspect (Direction) Mapping, Elevation Mapping, Contour Creation, Intervisibility Analysis and Earthwork Quantity Cut and Fill analysis.

Shown below is an Elevation Relief map of San Diego County.
Kutscher Consulting has created a 3D Digital Terrain Model of the entire San Diego County region from USGS data for use on our projects. This base 3D data allows us to provide comprehensive terrain modeling services which are very cost affective for our customers.


A very effective tool is the ability to view Digital Terrain Models color coded by elevation. Shown below is a portion of the County of San Diego shown with elevations color coded in both plan view and 3D perspective views. These products can easily be created from contours or spot elevation information. The contour interval and/or point density can be adjusted up or down to facilitate modeling a single project site or region as shown below.


Elevation Relief Mapping shown in both plan view and 3D perspective

3D Modeling using GIS can be extended down to the "Building" level. The image below shows a GIS 3D model of downtown San Diego with the major buildings color coded based on building height ranges. This type of "Intelligent" 3D GIS modeling is very powerful and shows "analytical" data in a format that is easily understood.
3D GIS Model of Downtown San Diego with buildings colored to indicate building height ranges.

 
 

 

 

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