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CreateEllipticalArc Method (ISketchManager)

Creates a partial ellipse given a center point, two points that specify the major and minor axis, and two points that define the elliptical start and end points.

.NET Syntax

Visual Basic (Declaration) 
Function CreateEllipticalArc( _
   ByVal XC As System.Double, _
   ByVal YC As System.Double, _
   ByVal Zc As System.Double, _
   ByVal XMajor As System.Double, _
   ByVal YMajor As System.Double, _
   ByVal ZMajor As System.Double, _
   ByVal XMinor As System.Double, _
   ByVal YMinor As System.Double, _
   ByVal ZMinor As System.Double, _
   ByVal X1 As System.Double, _
   ByVal Y1 As System.Double, _
   ByVal Z1 As System.Double, _
   ByVal X2 As System.Double, _
   ByVal Y2 As System.Double, _
   ByVal Z2 As System.Double, _
   ByVal Direction As System.Short _
) As SketchSegment
Visual Basic (Usage) 
Dim instance As ISketchManager
Dim XC As System.Double
Dim YC As System.Double
Dim Zc As System.Double
Dim XMajor As System.Double
Dim YMajor As System.Double
Dim ZMajor As System.Double
Dim XMinor As System.Double
Dim YMinor As System.Double
Dim ZMinor As System.Double
Dim X1 As System.Double
Dim Y1 As System.Double
Dim Z1 As System.Double
Dim X2 As System.Double
Dim Y2 As System.Double
Dim Z2 As System.Double
Dim Direction As System.Short
Dim value As SketchSegment
 
value = instance.CreateEllipticalArc(XC, YC, Zc, XMajor, YMajor, ZMajor, XMinor, YMinor, ZMinor, X1, Y1, Z1, X2, Y2, Z2, Direction)
C# 
SketchSegment CreateEllipticalArc( 
   System.double XC,
   System.double YC,
   System.double Zc,
   System.double XMajor,
   System.double YMajor,
   System.double ZMajor,
   System.double XMinor,
   System.double YMinor,
   System.double ZMinor,
   System.double X1,
   System.double Y1,
   System.double Z1,
   System.double X2,
   System.double Y2,
   System.double Z2,
   System.short Direction
)
C++/CLI 
SketchSegment^ CreateEllipticalArc( 
&   System.double XC,
&   System.double YC,
&   System.double Zc,
&   System.double XMajor,
&   System.double YMajor,
&   System.double ZMajor,
&   System.double XMinor,
&   System.double YMinor,
&   System.double ZMinor,
&   System.double X1,
&   System.double Y1,
&   System.double Z1,
&   System.double X2,
&   System.double Y2,
&   System.double Z2,
&   System.short Direction
) 

Parameters

XC
X coordinate for the ellipse center point
YC
Y coordinate for the ellipse center point
Zc
Z coordinate for the ellipse center point
XMajor
X coordinate for a point on the ellipse and on the major axis
YMajor
Y coordinate for a point on the ellipse and on the major axis
ZMajor
Z coordinate for a point on the ellipse and on the major axis
XMinor
X coordinate for a point on the ellipse and on the minor axis
YMinor
Y coordinate for a point on the ellipse and on the minor axis
ZMinor
Z coordinate for a point on the ellipse and on the minor axis
X1
X coordinate for counter-clockwise elliptical arc start point
Y1
Y coordinate for counter-clockwise elliptical arc start point
Z1
Z coordinate for counter-clockwise elliptical arc start point
X2
X coordinate for counter-clockwise elliptical arc end point
Y2
Y coordinate for counter-clockwise elliptical arc end point
Z2
Z coordinate for counter-clockwise elliptical arc end point
Direction
  • +1 : Go from the start point to the end point in a counter-clockwise direction
  • -1 : Go from the start point to the end point in a clockwise direction

Return Value

Sketch segment for the elliptical arc

Remarks

This method creates a full circle in the active 2D sketch. If a sketch is not active, then a new sketch is created. You can check for an active sketch using ISketchManager::ActiveSketch.

 

ISketchManager::AddToDB and ISketchManager::DisplayWhenAdded increase performance during entity creation by adding entities directly to the SOLIDWORKS database.

 

ISketchManager::AddToDB also avoids some of the peculiarities involved with creating entities via the user interface, such as inferencing, automatic relations, and snapping to the grid. Adding entities directly to the database also significantly increases the performance of this method. When you are done creating entities, it is important to ISketchManager::AddToDB(False), to restore SOLIDWORKS to its normal operating mode.

 

This method also works with ISketchManager::DisplayWhenAdded. If you have called ISketchManager::AddToDB(True), additional performance can be gained by calling ISketchManager::DisplayWhenAdded(False) to disable immediate display of entities as they are added to the database. When you are done creating all of your sketch entities, you must redraw your document window (see IModelView::GraphicsRedraw or IModelView::IGraphicsRedraw) to see the entities you added. You should also restore the original display settings by calling ISketchManager::DisplayWhenAdded(True).

 

To create a complete ellipse, use ISketchManager::CreateEllipse.

 

See Also

Availability

SOLIDWORKS 2008 FCS, Revision Number 16.0


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