MBMesquite::LineDomainTest Class Reference

Inheritance diagram for MBMesquite::LineDomainTest:

Collaboration diagram for MBMesquite::LineDomainTest:

Public Member Functions
void	test_snap_to ()
void	test_arc_length ()
void	test_position_from_length ()
Private Member Functions
	CPPUNIT_TEST_SUITE (LineDomainTest)
	CPPUNIT_TEST (test_snap_to)
	CPPUNIT_TEST (test_arc_length)
	CPPUNIT_TEST (test_position_from_length)
	CPPUNIT_TEST_SUITE_END ()

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Detailed Description

Definition at line 38 of file LineDomainTest.cpp.

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Member Function Documentation

MBMesquite::LineDomainTest::CPPUNIT_TEST

(

test_snap_to

)

[private]

MBMesquite::LineDomainTest::CPPUNIT_TEST

(

test_arc_length

)

[private]

MBMesquite::LineDomainTest::CPPUNIT_TEST

(

test_position_from_length

)

[private]

MBMesquite::LineDomainTest::CPPUNIT_TEST_SUITE

(

LineDomainTest

)

[private]

MBMesquite::LineDomainTest::CPPUNIT_TEST_SUITE_END

(

)

[private]

void MBMesquite::LineDomainTest::test_arc_length

(

)

Definition at line 75 of file LineDomainTest.cpp.

References MBMesquite::LineDomain::arc_length(), ASSERT_NO_ERROR, CPPUNIT_ASSERT_DOUBLES_EQUAL, MBMesquite::Vector3D::length(), and MBMesquite::Vector3D::to_array().

{
    MsqPrintError err( std::cerr );

    const Vector3D base1( 1, 1, 1 );
    const Vector3D dir1( -1, -2, -3 );
    LineDomain dom1( base1, dir1 );

    double l1 = 1.0, l2 = M_PI;
    Vector3D p1 = base1 + l1 / dir1.length() * dir1;
    Vector3D p2 = base1 + l2 / dir1.length() * dir1;
    double len  = dom1.arc_length( p1.to_array(), p2.to_array(), err );
    ASSERT_NO_ERROR( err );
    CPPUNIT_ASSERT_DOUBLES_EQUAL( l2 - l1, len, 1e-6 );
    len = dom1.arc_length( p2.to_array(), p1.to_array(), err );
    ASSERT_NO_ERROR( err );
    CPPUNIT_ASSERT_DOUBLES_EQUAL( l1 - l2, len, 1e-6 );
}

void MBMesquite::LineDomainTest::test_position_from_length

(

)

Definition at line 94 of file LineDomainTest.cpp.

References ASSERT_NO_ERROR, CPPUNIT_ASSERT_VECTORS_EQUAL, MBMesquite::Vector3D::length(), MBMesquite::LineDomain::position_from_length(), MBMesquite::Vector3D::to_array(), and moab::unit().

{
    MsqPrintError err( std::cerr );

    const Vector3D base1( 1, 1, 1 );
    const Vector3D dir1( -1, -2, -3 );
    LineDomain dom1( base1, dir1 );
    const Vector3D unit = dir1 / dir1.length();
    double l1           = 1.5;
    Vector3D result;
    dom1.position_from_length( base1.to_array(), l1, result.to_array(), err );
    ASSERT_NO_ERROR( err );
    CPPUNIT_ASSERT_VECTORS_EQUAL( base1 + l1 * unit, result, 1e-6 );

    double l2 = 3.333;
    Vector3D result2;
    dom1.position_from_length( result.to_array(), l2, result2.to_array(), err );
    ASSERT_NO_ERROR( err );
    CPPUNIT_ASSERT_VECTORS_EQUAL( result + l2 * unit, result2, 1e-6 );
}

void MBMesquite::LineDomainTest::test_snap_to

(

)

Definition at line 55 of file LineDomainTest.cpp.

References CPPUNIT_ASSERT_DOUBLES_EQUAL, MBMesquite::length(), and MBMesquite::LineDomain::snap_to().

{
    const Vector3D base1( 1, 1, 1 );
    const Vector3D dir1( -1, -2, -3 );
    LineDomain dom1( base1, dir1 );

    Vector3D point( 0, 0, 0 ), result( point );
    dom1.snap_to( 0, result );
    CPPUNIT_ASSERT_DOUBLES_EQUAL( 0.0, ( ( result - base1 ) * dir1 ).length(),
                                  1e-6 );                                      // on the line
    CPPUNIT_ASSERT_DOUBLES_EQUAL( 0.0, ( ( point - result ) % dir1 ), 1e-6 );  // moved perp to line

    point  = Vector3D( 10, 11, 12 );
    result = point;
    dom1.snap_to( 0, result );
    CPPUNIT_ASSERT_DOUBLES_EQUAL( 0.0, ( ( result - base1 ) * dir1 ).length(),
                                  1e-6 );                                      // on the line
    CPPUNIT_ASSERT_DOUBLES_EQUAL( 0.0, ( ( point - result ) % dir1 ), 1e-6 );  // moved perp to line
}

List of all members.

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The documentation for this class was generated from the following file:

• LineDomainTest.cpp