/// <summary>
/// Public constructor
/// </summary>
public SampleCsDrawArrowheadConduit(OnPlane plane, OnLine line, double scale)
: base(new MSupportChannels(MSupportChannels.SC_CALCBOUNDINGBOX | MSupportChannels.SC_DRAWOVERLAY), false)
{
m_bDraw = false;
m_plane = plane;
m_line = line;
m_arrowhead = new On3dPointArray();
double x = 0, y = 0;
m_plane.ClosestPointTo(line.from, ref x, ref y);
On2dPoint from = new On2dPoint(x, y);
m_plane.ClosestPointTo(line.to, ref x, ref y);
On2dPoint to = new On2dPoint(x, y);
On2dVector dir = new On2dVector(from - to);
dir.Unitize();
m_bDraw = GetArrowHead(dir, from, scale, ref m_arrowhead);
}
///<summary> This gets called when when the user runs this command.</summary>
public override IRhinoCommand.result RunCommand(IRhinoCommandContext context)
{
OnLine line = new OnLine();
OnPlane plane = new OnPlane();
MRhinoGetPoint gp = new MRhinoGetPoint();
gp.SetCommandPrompt("Start of line");
gp.GetPoint();
if (gp.CommandResult() != IRhinoCommand.result.success)
{
return(gp.CommandResult());
}
line.from = gp.Point();
plane = new OnPlane(RhUtil.RhinoActiveCPlane());
plane.SetOrigin(line.from);
gp.SetCommandPrompt("End of line");
gp.Constrain(plane);
gp.SetBasePoint(line.from);
gp.DrawLineFromPoint(line.from, true);
gp.GetPoint();
if (gp.CommandResult() != IRhinoCommand.result.success)
{
return(gp.CommandResult());
}
line.to = plane.ClosestPointTo(gp.Point());
if (!line.IsValid())
{
return(IRhinoCommand.result.nothing);
}
SampleCsDrawArrowheadConduit conduit = new SampleCsDrawArrowheadConduit(plane, line, 1.0);
conduit.Enable();
context.m_doc.Redraw();
MRhinoGetString gs = new MRhinoGetString();
gs.SetCommandPrompt("Press <Enter> to continue");
gs.AcceptNothing();
gs.GetString();
conduit.Disable();
context.m_doc.Redraw();
return(IRhinoCommand.result.success);
}
private static double GetCurveArea(IOnCurve crv, double tol)
{
double area = 0.0;
if (null != crv && crv.IsClosed())
{
OnPlane plane = new OnPlane();
if (crv.IsPlanar(plane, tol))
{
OnBoundingBox bbox = crv.BoundingBox();
On3dPoint point = plane.ClosestPointTo(bbox.Center());
OnMassProperties mp = new OnMassProperties();
if (crv.AreaMassProperties(point, plane.Normal(), ref mp))
{
area = Math.Abs(mp.Area());
}
}
}
return(area);
}
///<summary> This gets called when when the user runs this command.</summary>
public override IRhinoCommand.result RunCommand(IRhinoCommandContext context)
{
OnLine line = new OnLine();
OnPlane plane = new OnPlane();
MRhinoGetPoint gp = new MRhinoGetPoint();
gp.SetCommandPrompt("Start of line");
gp.GetPoint();
if (gp.CommandResult() != IRhinoCommand.result.success)
return gp.CommandResult();
line.from = gp.Point();
plane = new OnPlane(RhUtil.RhinoActiveCPlane());
plane.SetOrigin(line.from);
gp.SetCommandPrompt("End of line");
gp.Constrain(plane);
gp.SetBasePoint(line.from);
gp.DrawLineFromPoint(line.from, true);
gp.GetPoint();
if (gp.CommandResult() != IRhinoCommand.result.success)
return gp.CommandResult();
line.to = plane.ClosestPointTo(gp.Point());
if (!line.IsValid())
return IRhinoCommand.result.nothing;
SampleCsDrawArrowheadConduit conduit = new SampleCsDrawArrowheadConduit(plane, line, 1.0);
conduit.Enable();
context.m_doc.Redraw();
MRhinoGetString gs = new MRhinoGetString();
gs.SetCommandPrompt("Press <Enter> to continue");
gs.AcceptNothing();
gs.GetString();
conduit.Disable();
context.m_doc.Redraw();
return IRhinoCommand.result.success;
}
/// <summary>
/// Public constructor
/// </summary>
public SampleCsDrawArrowheadConduit(OnPlane plane, OnLine line, double scale)
: base(new MSupportChannels(MSupportChannels.SC_CALCBOUNDINGBOX | MSupportChannels.SC_DRAWOVERLAY), false)
{
m_bDraw = false;
m_plane = plane;
m_line = line;
m_arrowhead = new On3dPointArray();
double x = 0, y = 0;
m_plane.ClosestPointTo(line.from, ref x, ref y);
On2dPoint from = new On2dPoint(x, y);
m_plane.ClosestPointTo(line.to, ref x, ref y);
On2dPoint to = new On2dPoint(x, y);
On2dVector dir = new On2dVector(from - to);
dir.Unitize();
m_bDraw = GetArrowHead(dir, from, scale, ref m_arrowhead);
}
private static double GetCurveArea(IOnCurve crv, double tol)
{
double area = 0.0;
if (null != crv && crv.IsClosed())
{
OnPlane plane = new OnPlane();
if (crv.IsPlanar(plane, tol))
{
OnBoundingBox bbox = crv.BoundingBox();
On3dPoint point = plane.ClosestPointTo(bbox.Center());
OnMassProperties mp = new OnMassProperties();
if (crv.AreaMassProperties(point, plane.Normal(), ref mp))
area = Math.Abs(mp.Area());
}
}
return area;
}
