You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
1.8 KiB
52 lines
1.8 KiB
/** @file */
|
|
/* The MIT License
|
|
*
|
|
* Copyright (c) 2008, Naotoshi Seo <sonots(at)sonots.com>
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
#ifndef CV_POINTNORM_INCLUDED
|
|
#define CV_POINTNORM_INCLUDED
|
|
|
|
#include "cv.h"
|
|
#include "cvaux.h"
|
|
#include "cxcore.h"
|
|
#include <math.h>
|
|
using namespace std;
|
|
|
|
/**
|
|
* Compute Norm between two points
|
|
*
|
|
* @param p1 A point 1
|
|
* @param p2 A point 2
|
|
* @param norm_type CV_L2 to compute L2 norm (euclidean distance)
|
|
* CV_L1 to compute L1 norm (abs)
|
|
* @return double
|
|
*/
|
|
CV_INLINE double cvPointNorm( CvPoint p1, CvPoint p2, int norm_type CV_DEFAULT(CV_L2) )
|
|
{
|
|
if( norm_type == CV_L1 )
|
|
return abs( p2.x - p1.x ) + abs( p2.y - p1.y );
|
|
else
|
|
return sqrt( pow( (double)p2.x - p1.x, 2 ) + pow( (double)p2.y - p1.y, 2 ) );
|
|
}
|
|
|
|
|
|
#endif
|