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HxPixMin.h File Reference

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#include "HxImageRep.h"

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Functions

HxValue L_HXIMAGEREP HxPixMin (HxImageRep im)
 Pixel minimum. More...

Detailed Description

Function Documentation

HxValue L_HXIMAGEREP HxPixMin (  HxImageRep    im ) 
 

Pixel minimum.

The function computes the minimum (see Pixels) of all pixels in the input image via a reduce operation (see Images).

Implementation specifics : The pixel functor : HxBpoMinAssign. The image functor instantiator : HxInstantiatorMinReduce. 

00013 {
00014     HxString fname("HxPixMin");
00015 
00016     if (im.isNull())
00017     {
00018         HxGlobalError::instance()->reportError(fname, im.name(), "null image", HxGlobalError::HX_GE_INVALID);
00019         return HxValue();
00020     }
00021     if (im.pixelDimensionality() != 1)
00022     {
00023         HxGlobalError::instance()->reportError(fname, im.name(), "Operation only valid on scalar images", HxGlobalError::HX_GE_INVALID);
00024         return HxValue();
00025     }
00026 
00027     return im.reduceOp("minAssign");
00028 }

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