Cadcorp SIS API Methods

TraceGeom Method

Description

Creates a LineString item by tracing geometry from the current open Item.

Syntax

Visual Basic
Public Function TraceGeom( _ ByVal nGeom As Long, _ ByVal arclenStart As Double, _ ByVal arclenEnd As Double, _ ByVal offset As Double, _ ByVal bAllowSelfIntersections As Integer _ ) As Integer

Visual Basic

Public Function TraceGeom( _
   ByVal nGeom As Long, _
   ByVal arclenStart As Double, _
   ByVal arclenEnd As Double, _
   ByVal offset As Double, _
   ByVal bAllowSelfIntersections As Integer _
) As Integer

Parameters

nGeom

The index of the geometry component, starting at 0. Use GetNumGeom to get the number of geometry components in an Item.

arclenStart

The length along the geometry component from which to start the trace.

arclenEnd

The length along the geometry component at which to end the trace.

offset

The offset from the geometry component at which to create the LineString item.

bAllowSelfIntersections

`True`	Allow the traced, offset LineString item to contain self-intersections.
`False`	Remove any self-intersections from the traced, offset LineString item.

Remarks

Available: GEO ME MD OD SISpy

Group:

Drawing Methods

Example

sis.TraceGeom (0, 20, 100, 0, False)

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