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16:10 Jul 4, 2007
English to Chinese translations [PRO] Tech/Engineering - Surveying / GPS software
English term or phrase:honoring
Understanding Earthwork Volume Calculations
In the Earthwork Report, surface to surface (and surface to elevation) volumes are calculated by computing the isopach between the surfaces (or between the elevation and surface) using the prismoidal method.
First, each point is projected onto the other surface.
Then, the corresponding elevation is interpolated, and the elevation difference is stored with the generated isopach point.
The breaklines of both surfaces are used to generate isopach breaklines in a similar manner. Additional points are inserted into the isopach breaklines where they cross the surface triangles.
A Triangulated Irregular Network (TIN) is generated to represent the surface created by the isopach points and breaklines.
The isopach represents the thickness, or difference in elevation, between the two surfaces. The software generates the surface triangles for the isopach by linking the isopach points, while ***honoring*** all breaklines and points common to both surfaces.