Tesseract  3.02
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fpoint.cpp File Reference
#include "const.h"
#include "fpoint.h"
#include <stdio.h>
#include <math.h>

Go to the source code of this file.

Functions

FLOAT32 DistanceBetween (FPOINT A, FPOINT B)
FLOAT32 NormalizedAngleFrom (FPOINT *Point1, FPOINT *Point2, FLOAT32 FullScale)

Function Documentation

FLOAT32 DistanceBetween ( FPOINT  A,
FPOINT  B 
)

Include Files and Type Defines —————————————————————————- ---------------------------------------------------------------------------- Public Code —————————————————————————-

Definition at line 31 of file fpoint.cpp.

{
double xd = XDelta(A, B);
double yd = YDelta(A, B);
return sqrt(static_cast<double>(xd * xd + yd * yd));
}
FLOAT32 NormalizedAngleFrom ( FPOINT Point1,
FPOINT Point2,
FLOAT32  FullScale 
)

Definition at line 39 of file fpoint.cpp.

{
/*
** Parameters:
** Point1, Point2 points to compute angle between
** FullScale value to associate with 2*pi
** Globals: none
** Operation: Return the angle from Point1 to Point2 normalized to
** lie in the range 0 to FullScale (where FullScale corresponds
** to 2*pi or 360 degrees).
** Return: none
** Exceptions: none
** History: Wed Mar 28 14:27:25 1990, DSJ, Created.
*/
FLOAT32 Angle;
FLOAT32 NumRadsInCircle = 2.0 * PI;
Angle = AngleFrom (*Point1, *Point2);
if (Angle < 0.0)
Angle += NumRadsInCircle;
Angle *= FullScale / NumRadsInCircle;
if (Angle < 0.0 || Angle >= FullScale)
Angle = 0.0;
return (Angle);
} /* NormalizedAngleFrom */