TIEPolylineLayer.CalculateLength
Declaration
function CalculateLength(Units: TIEUnits): double;
Description
Returns the length/perimeter of the lines of the polyline layer.
If
PolylineClosed = True, it will measure the perimeter. If not closed, it will only measure the length of all lines.
Note:
◼Use
TImageEnView.SetScale to adjust the scale of units
◼Polyline measurement is less accurate than
other layer types// Show length of current polyline in MM
ShowMessage( 'Length is ' + Trunc( TIEPolylineLayer( ImageEnView1.CurrentLayer).CalculateLength( ieuMillimeters )) + ' mm' );
See Also
◼CalculateArea◼CalculateCentroid◼SetScale◼Dpi◼MeasureUnits