i HAVE THE SAME PROBLEM.
"ADD SURFACE INFORMATION TOOL"EXTRACT Z VALUE FROM TIN BUT PUT THE VALUE ONLY ON ATTRIBUTE TABLE, SO, BUT THE ELEVATION IN SKETCH PROPRIETIES REMAI 0, SO WHEN I ADD THE POLYLINE LAYER ON ARCSCENE THE LAYER REMAIN ON ELEVATION 0, AND NOT CONSERVE THE SAME ELEVATION OF TIN. WHY? WHAT IS THE PROBLEM? i TRIED ALSO SET ON PROPRIETIES THE BASE HEIGHT: FLOATING ON A CUSTOM SURFACE TIN LAYER, BUT NOTHING APPENED.
THANK'S
CHIARA