Horus C++ Reference

Function Documentation

HxImageRep L_HXIMAGEREP HxRotate	(	HxImageRep	img,
		double	alpha,
		HxGeoIntType	gi = LINEAR,
		int	adjustSize = 1,
		HxValue	background = HxValue(0)
	)

Rotation (around Z-axis in middle of image).

This is the normal rotation in 2D. Alpha in degrees.

00016 {
00017     if (img.dimensionality() == 2) {
00018         HxMatrix m =
00019             HxMatrix::translate2d(
00020                 img.dimensionSize(1)/2, img.dimensionSize(2)/2) *
00021             HxMatrix::rotate2dDeg(-alpha) * // Y-axis points down
00022             HxMatrix::translate2d(
00023                 -img.dimensionSize(1)/2, -img.dimensionSize(2)/2);
00024         return img.geometricOp2d(m, gi, FORWARD, adjustSize, background);
00025     } else {
00026         HxEnvironment::instance()->errorStream()
00027             << "3d rotation not implemented yet" << STD_ENDL;
00028         HxEnvironment::instance()->flush();
00029         return HxImageRep();
00030     }
00031 }

Generated on Tue Jan 8 13:59:21 2002 for C++Reference by

Functions
HxImageRep L_HXIMAGEREP	HxRotate (HxImageRep img, double alpha, HxGeoIntType gi=LINEAR, int adjustSize=1, HxValue background=HxValue(0))
	Rotation (around Z-axis in middle of image). More...

HxRotate.h File Reference

Functions

Detailed Description

Function Documentation