Distance and Sample points values are the two factors used to determine cell values in this interpolation method. Sample points values are collected and weighted according to its distance from the cell. The points closer to the cell will have a greater influence on the cells estimated value. The point values are then collected and average out which then represents the cell valueAdv:
-Can estimate extreme changes in terrain such as: Cliffs, Fault Lines
-Dense evenly space points are well interpolated (flat areas with cliffs)
-Can increase or decrease amount of sample points to influence cell values
DisAdv:
-Cannot estimate above maximum or below minimum values
-Not very good for peaks or mountainous areas
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