TatukGIS-TGIS_ShapeArc.GetPointOnLine

function GetPointOnLine(const _distance: Double; const _offset: Double; const _part: Integer): TGIS_Point; virtual; overload;

Returns

found point; if _distance < 0, then point will be located before first point of the line; if _distance > Length, then point will be located after last point of the line

Description

Calculate a point located at _distance from the beginning and moved out of line by _offset. 

posted on 2014-04-01 20:25  知真道  阅读(303)  评论(0编辑  收藏  举报