1 // Copyright (c) 1995-1999 Matra Datavision
2 // Copyright (c) 1999-2012 OPEN CASCADE SAS
4 // The content of this file is subject to the Open CASCADE Technology Public
5 // License Version 6.5 (the "License"). You may not use the content of this file
6 // except in compliance with the License. Please obtain a copy of the License
7 // at http://www.opencascade.org and read it completely before using this file.
9 // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
10 // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
12 // The Original Code and all software distributed under the License is
13 // distributed on an "AS IS" basis, without warranty of any kind, and the
14 // Initial Developer hereby disclaims all such warranties, including without
15 // limitation, any warranties of merchantability, fitness for a particular
16 // purpose or non-infringement. Please see the License for the specific terms
17 // and conditions governing the rights and limitations under the License.
20 #include <gp_Vec2d.hxx>
24 IntImpParGen_ImpParTool::IntImpParGen_ImpParTool(const ImpTool& ITool,
28 TheParCurve = (Standard_Address)(&PC);
32 Standard_Boolean IntImpParGen_ImpParTool::Value(const Standard_Real Param,
33 Standard_Real& ApproxDistance) {
35 ApproxDistance = TheImpTool.Distance(ParTool::Value((*((ParCurve *)(TheParCurve))),Param));
36 return(Standard_True);
39 Standard_Boolean IntImpParGen_ImpParTool::Derivative(const Standard_Real Param,
40 Standard_Real& D_ApproxDistance_DV) {
44 gp_Vec2d Grad=TheImpTool.GradDistance(ParTool::Value((*((ParCurve *)(TheParCurve))),Param));
45 ParTool::D1((*((ParCurve *)(TheParCurve))),Param,Pt,TanParCurve);
46 D_ApproxDistance_DV = Grad.Dot(TanParCurve);
47 return(Standard_True);
51 Standard_Boolean IntImpParGen_ImpParTool::Values(const Standard_Real Param,
52 Standard_Real& ApproxDistance,
53 Standard_Real& Deriv) {
55 this->Value(Param,ApproxDistance);
56 this->Derivative(Param,Deriv);
57 return(Standard_True);