testTransformation.cc

Go to the documentation of this file.

#include <utl/Transformation.h>
#include <utl/TransformationMatrix.h>
#include <utl/Point.h>
#include <utl/Vector.h>
#include <utl/CoordinateSystem.h>

#include <cmath>

#include <tst/Verify.h>
#include <utl/Triple.h>

#include <cppunit/extensions/HelperMacros.h>

using namespace utl;
using namespace tst;


class testTransformation : public CppUnit::TestFixture {

  CPPUNIT_TEST_SUITE(testTransformation);
  CPPUNIT_TEST(testConstructor);
  CPPUNIT_TEST(testTransform);
  CPPUNIT_TEST_SUITE_END();

public:
  void setUp() { }

  void tearDown() { }

  void
  testConstructor()
  {
    const CoordinateSystemPtr RCS(CoordinateSystem::GetRootCoordinateSystem());

    const Transformation t2(Transformation::RotationX(M_PI/3, RCS));
    const CoordinateSystemPtr C2(CoordinateSystem::RotationY(M_PI/2, RCS));
    const Transformation t3(Transformation::RotationZ(M_PI/3, C2));
    CPPUNIT_ASSERT(Verify<CloseTo>(t2.Distance(t3), 0.));
  }

  void
  testTransform()
  {
    const CoordinateSystemPtr RCS(CoordinateSystem::GetRootCoordinateSystem());
    const CoordinateSystemPtr C2(CoordinateSystem::RotationY(M_PI/2, RCS));
    const Transformation tr(Transformation::RotationZ(M_PI/2, RCS));
    const Vector vx(1,0,0, RCS);
    const Vector vxr(tr * vx);
    CPPUNIT_ASSERT(Verify<CloseTo>(
      vxr.GetCoordinates(RCS), Triple(0,1,0)));
    const Point px(1,0,0, RCS);
    const Point pxr(tr * px);
    CPPUNIT_ASSERT(Verify<CloseTo>(
      pxr.GetCoordinates(RCS), Triple(0,1,0)));

    const Vector ex(1,0,0, RCS);
    const Transformation tt(Transformation::Translation(ex, RCS));
    const Vector vxt(tt * vx);
    CPPUNIT_ASSERT(Verify<CloseTo>(
      vxt.GetCoordinates(RCS), Triple(1,0,0)));
    const Point pxt(tt * px);
    CPPUNIT_ASSERT(Verify<CloseTo>(
      pxt.GetCoordinates(RCS), Triple(2,0,0)));
  }

};


CPPUNIT_TEST_SUITE_REGISTRATION(testTransformation);


// Configure (x)emacs for this file ...
// Local Variables:
// mode:c++
// compile-command: "make -C .. -k run-testGeometry"
// End: