Interactive Scale-dependent multidimensional Point Data Selection using enhanced Polarization Transformation - Advances in Cartography and GIScience - page 402

iQitiaO QuPber Rf pRiQts 405

set iQitiaO scaOe 1 1000

set perceQtage Rf achieved QuPber Rf pRiQts 19 %

caOcuOated reduced scaOe 1 1500

fiQaOOy Nept pRiQts 329

fiQaOOy eOiPiQated pRiQts 76

pRiQts which are detected tR eOiPiQate iQ xyperspective 213

pRiQts which are detected tR eOiPiQate iQ x]perspective 199

pRiQts which are detected tR eOiPiQate iQ y]perspective 210

Table 5: Results of 3D point selection using the new enhanced PT

Figure 6: Segmented spectrum lines for 3D point data (for xy-, xz- and yz-perspective)

3.1 Comparison of the density values

We used our sample point data set of 405 points at an initial scale of
1:1000 and a reduced scale of 1:2000 whereby 120 points were deleted and