Use Block Check Points
Selecting this option enables the use of existing check points defined with the block to calculate DTM accuracy. LPS Automatic Terrain Extraction uses Full (X, Y, and Z coordinates) check points. Only the Active check points as defined within the Point Measurement tool are used (see the chapter about measuring points in the Leica Photogrammetry Suite Project Manager User’s Guide for more information about the Point Measurement tool). All of the Active check points are displayed within the Block Graphic View and denoted with the check point symbol (a circle) and optional Point ID.