70 lines
1.5 KiB
Text
70 lines
1.5 KiB
Text
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/**
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* @file
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* @brief Definition of plane pairs
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*
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* @author
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* @author Jan Elseberg. Institute of Computer Science, University of Osnabrueck, Germany.
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* @author Dorit Borrmann. School of Engineering and Science, Jacobs University Bremen gGmbH, Germany.
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*/
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#ifndef __PPAIR_H__
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#define __PPAIR_H__
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#include "convexplane.h"
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/**
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* @brief Representing point pairs
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*/
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class PPair {
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public:
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enum TYPE {UNDEFINED, EQUAL, PARALLEL, PERPENDICULAR};
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inline PPair(ConvexPlane *p1, ConvexPlane *p2);
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inline PPair() : p1(0), p2(0) {};
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ConvexPlane *p1; ///< The two points forming the pair
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ConvexPlane *p2; ///< The two points forming the pair
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double angle;
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double center_distance; // or poly distance?
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double plane_distance;
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// intersection linie
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Point istart, iend;
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TYPE type;
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};
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inline PPair::PPair(ConvexPlane *_p1, ConvexPlane *_p2) {
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type = UNDEFINED;
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p1 = _p1;
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p2 = _p2;
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// TODO hier richtigen wert berechnen
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center_distance = 0.0;
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plane_distance = fabs(p1->rho - p2->rho);
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double tmp = p1->n[0] * p2->n[0] + p1->n[1] * p2->n[1] + p1->n[2] * p2->n[2];
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if (tmp > 1.0) {
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angle = 0.0;
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} else if (tmp < -1.0) {
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angle = M_PI;
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} else {
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angle = acos( tmp );
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}
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if (angle > M_PI / 2.0) {
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angle = M_PI - angle;
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}
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double nnx = p2->n[0]/p2->n[0];
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double y = (p2->rho - nnx * p1->rho) / (p2->n[1] - nnx * p1->n[1]);
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double x = (p1->rho - p1->n[1] * y) / p1->n[0];
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double z = 0.0;
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istart = Point(x,y,z);
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double nn[3];
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Cross(p1->n, p2->n, nn);
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iend = Point(x + nn[0], y + nn[1], nn[2]);
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}
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#endif
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