abes awgs bbes BesselBLToGaussKrueger BLRauenberg bwgs cbes dx dy dz eqbes eqwgs geometry_transform_gk Geometry_transform_gk gk h1 HelmertTransformation MDC newF Pi point2d_get_datum rotx roty rotz sc tgeompoint_transform_gk Tgeompoint_transform_gk

Pi double Pi = 3.1415926535897932384626433832795028841971693993751058209749445923078164