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Software for Interpolating Land Survey Data - Help


ESurvey CADD offers interpolation in 3 different ways

a) Straight Line Method: Weighted Average Method / Straight Line Method where with reference to any 2 selected texts interpolation can be done. Distances are measured from interpolation point to reference both the text and reference values are given weight depending on the distance and interpolated value is derived.

b) TIN Method: Using available points,a surface using the TIN method is created (Triangulated Irregular Network). Each triangle is created in 3D and interpolation values are derived. Considering this is the most widely used interpolation technique.

c) 3D Line: 3D lines are created connecting reference code points. Value is interpolated depending on the particular 3D line segment. This type of interpolation gives better results when undulated surfaces like Irrigation Canal are surveyed.