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- #
- # Simple examples for the use of adaptive isocurves.
- #
- # Gershon Elber May 1993.
- #
- srf1 = sbezier( list( list( ctlpt( E3, -0.5, -1.0, 0.0 ),
- ctlpt( E3, 0.4, 0.0, 0.1 ),
- ctlpt( E3, -0.5, 1.0, 0.0 ) ),
- list( ctlpt( E3, 0.0, -0.7, 0.1 ),
- ctlpt( E3, 0.0, 0.0, 0.0 ),
- ctlpt( E3, 0.0, 0.7, -0.2 ) ),
- list( ctlpt( E3, 0.5, -1.0, 0.1 ),
- ctlpt( E3, -0.4, 0.0, 0.0 ),
- ctlpt( E3, 0.5, 1.0, -0.2 ) ) ) );
- color( srf1, magenta );
-
- aiso = adapiso( srf1, COL, 0.1, true, false );
- color( aiso, yellow );
- interact( list( axes, srf1, aiso ) );
- aiso = adapiso( srf1, COL, 0.1, false, false );
- color( aiso, yellow );
- interact( list( axes, srf1, aiso ) );
- color( srf1, magenta );
- aiso = adapiso( srf1, ROW, 0.05, true, false );
- color( aiso, yellow );
- interact( list( axes, srf1, aiso ) );
- aiso = adapiso( srf1, ROW, 0.05, false, false );
- color( aiso, yellow );
- interact( list( axes, srf1, aiso ) );
-
- srf2 = sbspline( 3, 3,
- list( list( ctlpt( E3, 1.0, 0.0, 0.0 ),
- ctlpt( E3, 1.0, 1.0, 2.0 ),
- ctlpt( E3, 1.0, 2.0, 0.0 ) ),
- list( ctlpt( E3, 2.0, 0.9, 2.0 ),
- ctlpt( E3, 2.0, 1.0, 0.0 ),
- ctlpt( E3, 2.0, 1.1, 2.0 ) ),
- list( ctlpt( E3, 3.0, 0.0, 0.0 ),
- ctlpt( E3, 3.0, 1.0, 2.0 ),
- ctlpt( E3, 3.0, 2.0, 0.0 ) ),
- list( ctlpt( E3, 4.0, 0.9, 1.0 ),
- ctlpt( E3, 4.0, 1.0, 0.0 ),
- ctlpt( E3, 4.0, 1.1, 1.0 ) ) ),
- list( list( KV_OPEN ),
- list( KV_OPEN ) ) ) *
- scale( vector( 0.5, 0.5, 0.5 ) ) * trans( vector( -0.5, 0.0, 0.0 ) );
- color( srf2, magenta );
-
- aiso = adapiso( srf2, COL, 0.05, true, false );
- color( aiso, yellow );
- interact( list( axes, srf2, aiso ) );
- aiso = adapiso( srf2, COL, 0.05, false, false );
- color( aiso, yellow );
- interact( list( axes, srf2, aiso ) );
-
- srf3 = sbspline( 3, 3,
- list( list( ctlpt( E3, 1.0, 0.0, 0.0 ),
- ctlpt( E3, 1.0, 1.0, 0.0 ),
- ctlpt( E3, 1.0, 2.0, 0.0 ) ),
- list( ctlpt( E3, 2.0, 0.9, 0.0 ),
- ctlpt( E3, 2.0, 1.0, 0.0 ),
- ctlpt( E3, 2.0, 1.1, 0.0 ) ),
- list( ctlpt( E3, 3.0, 0.0, 0.0 ),
- ctlpt( E3, 3.0, 1.0, 0.0 ),
- ctlpt( E3, 3.0, 2.0, 0.0 ) ),
- list( ctlpt( E3, 4.0, 0.9, 0.0 ),
- ctlpt( E3, 4.0, 1.0, 0.0 ),
- ctlpt( E3, 4.0, 1.1, 0.0 ) ) ),
- list( list( KV_OPEN ),
- list( KV_OPEN ) ) ) *
- scale( vector( 0.5, 0.5, 0.5 ) ) * trans( vector( -0.5, 0.0, 0.0 ) );
- color( srf3, magenta );
-
- aiso = adapiso( srf3, COL, 0.05, true, false );
- color( aiso, yellow );
- interact( list( axes, srf3, aiso ) );
- aiso = adapiso( srf3, COL, 0.05, false, false );
- color( aiso, yellow );
- interact( list( axes, srf3, aiso ) );
-