WlzRGBAModGradient.c File Reference

Calculates the modulus of the gradient of a RGBA object. The gradient is defined as the modulus of the "modulus" vector, i.e. the modulus for each colour. More...

Functions
WlzObject *	WlzRGBAModGradient (WlzObject *obj, double width, WlzErrorNum *dstErr)
	Calculate the modulus of the rgb-level gradient at each point. The gradient images are calculated using WlzGauss2() with width parameter set to width. Note the modulus returned is the modulus of vector formed by the independent channels, i.e. take the modulus for each channel seperately then the modulus of the resultant vector. More...

Detailed Description

Calculates the modulus of the gradient of a RGBA object. The gradient is defined as the modulus of the "modulus" vector, i.e. the modulus for each colour.

Author

Richard Baldock

Date

June 2005

Version

Id

7dc51e070821c66710768f564991308446b38d18

Address: MRC Human Genetics Unit, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, Western General Hospital, Edinburgh, EH4 2XU, UK.

Copyright (C), [2012], The University Court of the University of Edinburgh, Old College, Edinburgh, UK.

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