98 lines
3.5 KiB
C
98 lines
3.5 KiB
C
/* @(#) Local definitions used by the mosaicing program
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* @(#) If IM_MAXPOINTS change please ensure that it is still a multiple of
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* @(#) AREAS or else AREAS must change as well. Initial setup is for
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* @(#) IM_MAXPOINTS = 60, AREAS = 3.
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* @(#)
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* Copyright: 1990, 1991 N. Dessipris
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* Author: Nicos Dessipris
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* Written on: 07/11/1989
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* Modified on : 29/11/1989
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*/
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/*
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Copyright (C) 1991-2003 The National Gallery
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
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*/
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#define IM_MAXPOINTS (60) /* IM_MAXPOINTS % AREAS must be zero */
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#define AREAS (3)
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typedef struct {
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char *reference; /* filename of reference */
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char *secondary; /* filename of secondary */
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int deltax; /* initial estimate of displacement */
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int deltay; /* initial estimate of displacement */
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int nopoints; /* must be multiple of AREAS and <= IM_MAXPOINTS */
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int halfcorsize; /* recommended 5 */
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int halfareasize; /* recommended 8 */
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/* x, y_reference and contrast found by im_calcon()
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*/
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int x_reference[IM_MAXPOINTS], y_reference[IM_MAXPOINTS];
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int contrast[IM_MAXPOINTS];
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/* x, y_secondary and correlation set by im_chkpair()
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*/
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int x_secondary[IM_MAXPOINTS], y_secondary[IM_MAXPOINTS];
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/* returns the corrected best correlation
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* as detected in 2*halfareasize+1
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* centered at point (x2, y2) and using
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* correlation area 2*halfareasize+1
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*/
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double correlation[IM_MAXPOINTS];
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/* Coefficients calculated by im_clinear()
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*/
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double l_scale, l_angle, l_deltax, l_deltay;
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/* used by im_clinear()
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*/
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double dx[IM_MAXPOINTS], dy[IM_MAXPOINTS];
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double deviation[IM_MAXPOINTS];
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} TIE_POINTS;
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extern int im__chkpair( IMAGE *, IMAGE *, TIE_POINTS *point );
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extern int im__initialize( TIE_POINTS *points );
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extern int im__improve( TIE_POINTS *inpoints, TIE_POINTS *outpoints );
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extern int im__avgdxdy( TIE_POINTS *points, int *dx, int *dy );
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extern int im__lrcalcon( IMAGE *ref, TIE_POINTS *points );
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extern int im__tbcalcon( IMAGE *ref, TIE_POINTS *points );
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extern int im__coeff( int xr1, int yr1, int xs1, int ys1,
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int xr2, int yr2, int xs2, int ys2,
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double *a, double *b, double *dx, double *dy );
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extern int im__clinear( TIE_POINTS *points );
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extern int im__find_lroverlap( IMAGE *ref_in, IMAGE *sec_in, IMAGE *out,
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int bandno_in,
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int xref, int yref, int xsec, int ysec,
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int halfcorrelation, int halfarea,
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int *dx0, int *dy0,
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double *scale1, double *angle1, double *dx1, double *dy1 );
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extern int im__find_tboverlap( IMAGE *ref_in, IMAGE *sec_in, IMAGE *out,
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int bandno_in,
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int xref, int yref, int xsec, int ysec,
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int halfcorrelation, int halfarea,
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int *dx0, int *dy0,
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double *scale1, double *angle1, double *dx1, double *dy1 );
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