/[gzz]/gzz/gfx/libcoords/Coords.cxx
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Diff of /gzz/gfx/libcoords/Coords.cxx

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revision 1.40 by tjl, Sun Oct 20 09:33:17 2002 UTC revision 1.41 by tjl, Sun Oct 20 09:50:06 2002 UTC
# Line 228  namespace Coords { Line 228  namespace Coords {
228           * coordsys.           * coordsys.
229           */           */
230          void tr(const ZPt &from, ZPt &to) const {          void tr(const ZPt &from, ZPt &to) const {
231              to.x = c * from.x + s * from.y;              to.x = c * from.x + -s * from.y;
232              to.y = -s * from.x + c * from.y;              to.y = s * from.x + c * from.y;
233              to.z = from.z;              to.z = from.z;
234          }          }
235          float tr_radius(const ZPt &from, float radius) const {          float tr_radius(const ZPt &from, float radius) const {

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