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