-// Copyright (C) 2007-2011 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
// File : Sketcher_Profile.cxx
// Author : Damien COQUERET
// Module : GEOM
-// $Header:
-//
+
#include <Standard_Stream.hxx>
#include <Sketcher_Profile.hxx>
}
case 'T':
{
- if (n1 != 3) goto badargs;
+ if (n1 != 3) goto badargs;
Standard_Real vx = a(1).RealValue();
Standard_Real vy = a(2).RealValue();
if (a(0) == "TT") {
case 'R':
{
if (n1 != 2) goto badargs;
- angle = a(1).RealValue() * PI180;
+ angle = a(1).RealValue() * M_PI / 180.;
if (a(0) == "RR") {
dx = Cos(angle);
dy = Sin(angle);
if (n1 != 3) goto badargs;
radius = a(1).RealValue();
if (Abs(radius) > Precision::Confusion()) {
- angle = a(2).RealValue() * PI180;
+ angle = a(2).RealValue() * M_PI / 180.;
move = circle;
}
else
move = none;
break;
- }
- case 'A': // TAngential arc by end point
- {
+ }
+ case 'A': // TAngential arc by end point
+ {
if (n1 != 3) goto badargs;
Standard_Real vx = a(1).RealValue();
- Standard_Real vy = a(2).RealValue();
+ Standard_Real vy = a(2).RealValue();
if (a(0) == "AA") {
vx -= x;
vy -= y;
}
Standard_Real det = dx * vy - dy * vx;
if ( Abs(det) > Precision::Confusion()) {
- Standard_Real c = (dx * vx + dy * vy)
- / Sqrt((dx * dx + dy * dy) * (vx * vx + vy * vy)); // Cosine of alpha = arc of angle / 2 , alpha in [0,Pi]
- radius = (vx * vx + vy * vy)* Sqrt(dx * dx + dy * dy) // radius = distance between start and end point / 2 * sin(alpha)
- / (2.0 * det); // radius is > 0 or < 0
+ // Cosine of alpha = arc of angle / 2 , alpha in [0,Pi]
+ Standard_Real c = (dx * vx + dy * vy) / Sqrt((dx * dx + dy * dy) * (vx * vx + vy * vy));
+ // radius = distance between start and end point / 2 * sin(alpha)
+ // radius is > 0 or < 0
+ radius = (vx * vx + vy * vy)* Sqrt(dx * dx + dy * dy) / (2.0 * det);
if (Abs(radius) > Precision::Confusion()) {
- angle = 2.0 * acos(c); // angle in [0,2Pi]
+ angle = 2.0 * acos(c); // angle in [0,2Pi]
move = circle;
}
else
move = none;
break;
- }
+ }
else
move = none;
break;
- }
+ }
case 'U': // Arc by end point and radiUs
- {
+ {
if (n1 != 5) goto badargs;
Standard_Real vx = a(1).RealValue();
Standard_Real vy = a(2).RealValue();
}
Standard_Real length = Sqrt(vx * vx + vy * vy);
if ( (4.0 - (vx * vx + vy * vy) / (radius * radius) >= 0.0 ) && (length > Precision::Confusion()) ) {
- Standard_Real c = 0.5 * Sqrt(4.0 - (vx * vx + vy * vy) / (radius * radius)); // Cosine of alpha = arc angle / 2 , alpha in [0,Pi/2]
- angle = 2.0 * acos(c); // angle in [0,Pi]
+ // Cosine of alpha = arc angle / 2 , alpha in [0,Pi/2]
+ Standard_Real c = 0.5 * Sqrt(4.0 - (vx * vx + vy * vy) / (radius * radius));
+ angle = 2.0 * acos(c); // angle in [0,Pi]
if ( reversed == 2 )
- angle = angle - 2 * PI;
- dx = 0.5 * ( vy * 1.0/radius
- + vx * Sqrt(4.0 / (vx * vx + vy * vy) - 1.0 / (radius * radius)));
- dy = - 0.5 * ( vx * 1.0/radius
- - vy * Sqrt(4.0 / (vx * vx + vy * vy) - 1.0 / (radius * radius)));
+ angle = angle - 2 * M_PI;
+ dx = 0.5 * ( vy * 1.0/radius
+ + vx * Sqrt(4.0 / (vx * vx + vy * vy) - 1.0 / (radius * radius)));
+ dy = - 0.5 * ( vx * 1.0/radius
+ - vy * Sqrt(4.0 / (vx * vx + vy * vy) - 1.0 / (radius * radius)));
move = circle;
}
else{
move = none;
}
break;
- }
+ }
case 'E': // Arc by end point and cEnter
- {
+ {
if (n1 != 7) goto badargs;
Standard_Real vx = a(1).RealValue();
Standard_Real vy = a(2).RealValue();
vx -= x;
vy -= y;
vxc -= x;
- vyc -= y;
+ vyc -= y;
}
radius = Sqrt( vxc * vxc + vyc * vyc );
Standard_Real det = vx * vyc - vy * vxc;
if ( error > Precision::Confusion() ){
MESSAGE("Warning : The specified end point is not on the Arc, distance = "<<error);
}
- if ( error > Precision::Confusion() && control_Tolerance == 1) // Don't create the arc if the end point
+ if ( error > Precision::Confusion() && control_Tolerance == 1) // Don't create the arc if the end point
move = none; // is too far from it
- else if ( (length > Precision::Confusion()) &&
- (length2 > Precision::Confusion()) &&
+ else if ( (length > Precision::Confusion()) &&
+ (length2 > Precision::Confusion()) &&
(length3 > Precision::Confusion()) ) {
- Standard_Real c = ( radius * radius - (vx * vxc + vy * vyc) )
- / ( radius * Sqrt((vx-vxc) * (vx-vxc) + (vy-vyc) * (vy-vyc)) ) ; // Cosine of arc angle
- angle = acos(c); // angle in [0,Pi]
+ Standard_Real c = ( radius * radius - (vx * vxc + vy * vyc) )
+ / ( radius * Sqrt((vx-vxc) * (vx-vxc) + (vy-vyc) * (vy-vyc)) ) ; // Cosine of arc angle
+ angle = acos(c); // angle in [0,Pi]
if ( reversed == 2 )
- angle = angle - 2 * PI;
+ angle = angle - 2 * M_PI;
if (det < 0)
- angle = -angle;
+ angle = -angle;
dx = vyc / radius;
- dy = -vxc / radius;
+ dy = -vxc / radius;
move = circle;
}
else {
move = none;
}
break;
- }
+ }
case 'I':
{
if (n1 != 2) goto badargs;
