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argyllcms/rspl/t2d.c
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gronod 45bdf51201 Initial commit of v3.5.0
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/************************************************/
/* Test RSPL in 2D */
/************************************************/
/* Author: Graeme Gill
* Date: 22/4/96
* Derived from cmatch.c
* Copyright 1995 Graeme W. Gill
*
* This material is licenced under the GNU AFFERO GENERAL PUBLIC LICENSE Version 3 :-
* see the License.txt file for licencing details.
*/
#define DEBUG
#define DETAILED
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <math.h>
#include "aconfig.h"
#include "rspl.h"
#include "tiffio.h"
#include "plot.h"
#include "ui.h"
#ifdef NEVER
FILE *verbose_out = stdout;
int verbose_level = 6; /* Current verbosity level */
/* 0 = none */
/* !0 = diagnostics */
#endif /* NEVER */
#define PLOTRES 256
#define WIDTH 400 /* Raster size */
#define HEIGHT 400
#define MAX_ITS 500
#define IT_TOL 0.0005
#define GRES0 25 /* Default resolutions */
#define GRES1 25
#undef NEVER
#define ALWAYS
//double t1xa[PNTS] = { 0.2, 0.25, 0.30, 0.35, 0.40, 0.44, 0.48, 0.51, 0.64, 0.75 };
//double t1ya[PNTS] = { 0.3, 0.35, 0.4, 0.41, 0.42, 0.46, 0.5, 0.575, 0.48, 0.75 };
/* 1D test function repeated 3 times along x = 0.5 */
co test_points1[] = {
{{ 0.4,0.20 },{ 0.30 }}, /* 0 */
{{ 0.4,0.25 },{ 0.35 }}, /* 1 */
{{ 0.4,0.30 },{ 0.40 }}, /* 2 */
{{ 0.4,0.35 },{ 0.41 }}, /* 3 */
{{ 0.4,0.40 },{ 0.42 }}, /* 4 */
{{ 0.4,0.44 },{ 0.46 }}, /* 5 */
{{ 0.4,0.48 },{ 0.50 }}, /* 6 */
{{ 0.4,0.51 },{ 0.575 }}, /* 7 */
{{ 0.4,0.64 },{ 0.48 }}, /* 8 */
{{ 0.4,0.75 },{ 0.75 }}, /* 9 */
{{ 0.5,0.20 },{ 0.30 }}, /* 0 */
{{ 0.5,0.25 },{ 0.35 }}, /* 1 */
{{ 0.5,0.30 },{ 0.40 }}, /* 2 */
{{ 0.5,0.35 },{ 0.41 }}, /* 3 */
{{ 0.5,0.40 },{ 0.42 }}, /* 4 */
{{ 0.5,0.44 },{ 0.46 }}, /* 5 */
{{ 0.5,0.48 },{ 0.50 }}, /* 6 */
{{ 0.5,0.51 },{ 0.575 }}, /* 7 */
{{ 0.5,0.64 },{ 0.48 }}, /* 8 */
{{ 0.5,0.75 },{ 0.75 }}, /* 9 */
{{ 0.6,0.20 },{ 0.30 }}, /* 0 */
{{ 0.6,0.25 },{ 0.35 }}, /* 1 */
{{ 0.6,0.30 },{ 0.40 }}, /* 2 */
{{ 0.6,0.35 },{ 0.41 }}, /* 3 */
{{ 0.6,0.40 },{ 0.42 }}, /* 4 */
{{ 0.6,0.44 },{ 0.46 }}, /* 5 */
{{ 0.6,0.48 },{ 0.50 }}, /* 6 */
{{ 0.6,0.51 },{ 0.575 }}, /* 7 */
{{ 0.6,0.64 },{ 0.48 }}, /* 8 */
{{ 0.6,0.75 },{ 0.75 }} /* 9 */
};
/* x + y^2 function with one non-monotonic point */
co test_points2[] = {
{{ 0.1,0.1,0.5,0.0 },{ 0.11 }}, /* 0 */
{{ 0.2,0.7,0.1,0.3 },{ 0.69 }}, /* 1 */
{{ 0.8,0.8,0.8,0.2 },{ 1.44 }}, /* 2 */
{{ 0.5,0.6,0.4,0.9 },{ 0.86 }}, /* 3 */
{{ 0.2,0.5,0.2,0.7 },{ 0.45 }}, /* 4 */
// {{ 0.3,0.7,0.2,0.8 },{ 0.35 }}, /* nm 5 */
{{ 0.5,0.5,0.2,0.8 },{ 0.30 }}, /* nm 5 */
{{ 0.5,0.4,0.9,0.3 },{ 0.66 }}, /* 6 */
{{ 0.1,0.9,0.7,0.4 },{ 0.91 }}, /* 7 */
{{ 0.7,0.2,0.1,0.3 },{ 0.74 }}, /* 8 */
{{ 0.8,0.4,0.3,0.7 },{ 0.96 }}, /* 9 */
{{ 0.3,0.3,0.4,0.1 },{ 0.39 }} /* 10 */
};
/* x + y^2 function */
co test_points3[] = {
{{ 0.1,0.1,0.5,0.0 },{ 0.11 }}, /* 0 */
{{ 0.2,0.7,0.1,0.3 },{ 0.69 }}, /* 1 */
{{ 0.8,0.8,0.8,0.2 },{ 1.44 }}, /* 2 */
{{ 0.5,0.6,0.4,0.9 },{ 0.86 }}, /* 3 */
{{ 0.2,0.5,0.2,0.7 },{ 0.45 }}, /* 4 */
{{ 0.3,0.7,0.2,0.8 },{ 0.79 }}, /* 5 */
{{ 0.5,0.4,0.9,0.3 },{ 0.66 }}, /* 6 */
{{ 0.1,0.9,0.7,0.4 },{ 0.91 }}, /* 7 */
{{ 0.7,0.2,0.1,0.3 },{ 0.74 }}, /* 8 */
{{ 0.8,0.4,0.3,0.7 },{ 0.96 }}, /* 9 */
{{ 0.3,0.3,0.4,0.1 },{ 0.39 }} /* 10 */
};
/* Arbitrary values */
co test_points4[] = {
{{ 0.1,0.1,0.5,0.0 },{ 0.0 }}, /* 0 */
{{ 0.2,0.7,0.1,0.3 },{ 0.1 }}, /* 1 */
{{ 0.8,0.8,0.8,0.2 },{ 0.2 }}, /* 2 */
{{ 0.5,0.6,0.4,0.9 },{ 0.3 }}, /* 3 */
{{ 0.2,0.5,0.2,0.7 },{ 0.4 }}, /* 4 */
{{ 0.3,0.7,0.2,0.8 },{ 0.5 }}, /* 5 */
{{ 0.5,0.4,0.9,0.3 },{ 0.6 }}, /* 6 */
{{ 0.1,0.9,0.7,0.4 },{ 0.7 }}, /* 7 */
{{ 0.7,0.2,0.1,0.3 },{ 0.8 }}, /* 8 */
{{ 0.8,0.4,0.3,0.7 },{ 0.9 }}, /* 9 */
{{ 0.3,0.3,0.4,0.1 },{ 1.0 }} /* 10 */
};
/* single dimension line */
co test_points5[] = {
{{ 0.4,0.2 },{ 0.10 }}, /* 0 */
{{ 0.5,0.4 },{ 0.50 }}, /* 1 */
{{ 0.6,0.6 },{ 0.90 }} /* 2 */
};
/* Single value, many points */
co test_points6[] = {
{{ 0.5,0.6 },{ 0.4 }}, /* 0 */
{{ 0.4,0.4 },{ 0.4 }}, /* 1 */
{{ 0.6,0.4 },{ 0.4 }}, /* 2 */
{{ 0.5,0.8 },{ 0.4 }}, /* 3 */
{{ 0.8,0.6 },{ 0.4 }}, /* 4 */
{{ 0.8,0.3 },{ 0.4 }}, /* 5 */
{{ 0.5,0.15 },{ 0.4 }}, /* 6 */
{{ 0.2,0.3 },{ 0.4 }}, /* 7 */
{{ 0.2,0.6 },{ 0.4 }} /* 8 */
};
/* single value triangle */
co test_points7[] = {
{{ 0.2,0.5 },{ 0.4 }}, /* 0 */
{{ 0.6,0.2 },{ 0.4 }}, /* 1 */
{{ 0.6,0.8 },{ 0.4 }} /* 2 */
};
/* 3dap C+M L* values */
co test_points8[] = {
{{ 0.0, 0.0 }, { 0.96433 }},
{{ 1.0, 0.0 }, { 0.54532 }},
{{ 0.0, 1.0 }, { 0.13844 }},
{{ 1.0, 1.0 }, { 0.10533 }},
{{ 0.52015, 0.51226 }, { 0.44379 }},
{{ 0.016882, 0.4899 }, { 0.55744 }},
{{ 0.48229, 0.014288 }, { 0.71457 }},
{{ 0.32501, 0.99594 }, { 0.14023 }},
{{ 0.9429, 0.39117 }, { 0.40529 }},
{{ 0.25639, 0.25624 }, { 0.65594 }},
{{ 0.80601, 0.62945 }, { 0.32338 }},
{{ 0.74113, 0.20699 }, { 0.528 }},
{{ 0.21766, 0.72345 }, { 0.37442 }},
{{ 0.64679, 0.94379 }, { 0.16175 }},
{{ 0.24217, 0.012757 }, { 0.81892 }},
{{ 0.013911, 0.25268 }, { 0.72574 }},
{{ 0.54723, 0.74872 }, { 0.30302 }},
{{ 0.016488, 0.77535 }, { 0.33234 }},
{{ 0.82135, 0.044133 }, { 0.57191 }},
{{ 0.52377, 0.2403 }, { 0.58315 }},
{{ 0.27798, 0.51935 }, { 0.49399 }},
{{ 0.1186, 0.93321 }, { 0.19912 }},
{{ 0.95827, 0.18481 }, { 0.48037 }},
{{ 0.7714, 0.48664 }, { 0.39652 }},
{{ 0.94209, 0.7863 }, { 0.22555 }},
{{ 0.9429, 0.58967 }, { 0.32235 }},
{{ 0.12251, 0.12897 }, { 0.78743 }},
{{ 0.14563, 0.38536 }, { 0.60355 }},
{{ 0.41616, 0.65055 }, { 0.3876 }},
{{ 0.38091, 0.14221 }, { 0.68198 }},
{{ 0.388, 0.38098 }, { 0.54479 }},
{{ 0.74149, 0.77517 }, { 0.25597 }},
{{ 0.11267, 0.62485 }, { 0.45976 }},
{{ 0.62755, 0.37228 }, { 0.48943 }},
{{ 0.6502, 0.59695 }, { 0.37031 }},
{{ 0.32033, 0.81669 }, { 0.28831 }},
{{ 0.664, 0.096944 }, { 0.60575 }},
{{ 0.82772, 0.33242 }, { 0.45496 }},
{{ 0.49121, 0.89468 }, { 0.20858 }},
{{ 0.84729, 0.94866 }, { 0.1453 }}
};
/* 3dap C+M a* values */
co test_points9[] = {
{{ 0.0, 0.0 }, { 0.504266 }},
{{ 1.0, 0.0 }, { 0.14962 }},
{{ 0.0, 1.0 }, { 0.538792 }},
{{ 1.0, 1.0 }, { 0.481662 }},
{{ 0.52015, 0.51226 }, { 0.39446 }},
{{ 0.016882, 0.4899 }, { 0.5038104 }},
{{ 0.48229, 0.014288 }, { 0.32387 }},
{{ 0.32501, 0.99594 }, { 0.5028343 }},
{{ 0.9429, 0.39117 }, { 0.24127 }},
{{ 0.25639, 0.25624 }, { 0.43018 }},
{{ 0.80601, 0.62945 }, { 0.34684 }},
{{ 0.74113, 0.20699 }, { 0.274 }},
{{ 0.21766, 0.72345 }, { 0.480491 }},
{{ 0.64679, 0.94379 }, { 0.472241 }},
{{ 0.24217, 0.012757 }, { 0.39938 }},
{{ 0.013911, 0.25268 }, { 0.5035042 }},
{{ 0.54723, 0.74872 }, { 0.433005 }},
{{ 0.016488, 0.77535 }, { 0.513262 }},
{{ 0.82135, 0.044133 }, { 0.21553 }},
{{ 0.52377, 0.2403 }, { 0.35082 }},
{{ 0.27798, 0.51935 }, { 0.451019 }},
{{ 0.1186, 0.93321 }, { 0.513378 }},
{{ 0.95827, 0.18481 }, { 0.19309 }},
{{ 0.7714, 0.48664 }, { 0.32019 }},
{{ 0.94209, 0.7863 }, { 0.37573 }},
{{ 0.9429, 0.58967 }, { 0.29975 }},
{{ 0.12251, 0.12897 }, { 0.460094 }},
{{ 0.14563, 0.38536 }, { 0.471575 }},
{{ 0.41616, 0.65055 }, { 0.439078 }},
{{ 0.38091, 0.14221 }, { 0.37965 }},
{{ 0.388, 0.38098 }, { 0.409296 }},
{{ 0.74149, 0.77517 }, { 0.403494 }},
{{ 0.11267, 0.62485 }, { 0.4905027 }},
{{ 0.62755, 0.37228 }, { 0.34157 }},
{{ 0.6502, 0.59695 }, { 0.37896 }},
{{ 0.32033, 0.81669 }, { 0.477444 }},
{{ 0.664, 0.096944 }, { 0.28 }},
{{ 0.82772, 0.33242 }, {0.26821 }},
{{ 0.49121, 0.89468 }, { 0.47241 }},
{{ 0.84729, 0.94866 }, { 0.459256 }}
};
/* 3dap C+M b* values */
co test_points10[] = {
{{ 0.0, 0.0 }, { 0.4918362 }},
{{ 1.0, 0.0 }, { 0.0 }},
{{ 0.0, 1.0 }, { 0.457067 }},
{{ 1.0, 1.0 }, { 0.407021 }},
{{ 0.52015, 0.51226 }, { 0.34029 }},
{{ 0.016882, 0.4899 }, { 0.48672 }},
{{ 0.48229, 0.014288 }, { 0.19406 }},
{{ 0.32501, 0.99594 }, { 0.453116 }},
{{ 0.9429, 0.39117 }, { 0.1766 }},
{{ 0.25639, 0.25624 }, { 0.37533 }},
{{ 0.80601, 0.62945 }, { 0.29851 }},
{{ 0.74113, 0.20699 }, { 0.16808 }},
{{ 0.21766, 0.72345 }, { 0.448783 }},
{{ 0.64679, 0.94379 }, { 0.415526 }},
{{ 0.24217, 0.012757 }, { 0.32194 }},
{{ 0.013911, 0.25268 }, { 0.486404 }},
{{ 0.54723, 0.74872 }, { 0.38695 }},
{{ 0.016488, 0.77535 }, { 0.484031 }},
{{ 0.82135, 0.044133 }, { 0.07184 }},
{{ 0.52377, 0.2403 }, { 0.26192 }},
{{ 0.27798, 0.51935 }, { 0.412787 }},
{{ 0.1186, 0.93321 }, { 0.463822 }},
{{ 0.95827, 0.18481 }, { 0.09177 }},
{{ 0.7714, 0.48664 }, { 0.26049 }},
{{ 0.94209, 0.7863 }, { 0.3249 }},
{{ 0.9429, 0.58967 }, { 0.25115 }},
{{ 0.12251, 0.12897 }, { 0.419966 }},
{{ 0.14563, 0.38536 }, { 0.436771 }},
{{ 0.41616, 0.65055 }, { 0.39638 }},
{{ 0.38091, 0.14221 }, { 0.29133 }},
{{ 0.388, 0.38098 }, { 0.35442 }},
{{ 0.74149, 0.77517 }, { 0.35501 }},
{{ 0.11267, 0.62485 }, { 0.466548 }},
{{ 0.62755, 0.37228 }, { 0.2675 }},
{{ 0.6502, 0.59695 }, { 0.32833 }},
{{ 0.32033, 0.81669 }, { 0.438066 }},
{{ 0.664, 0.096944 }, { 0.15598 }},
{{ 0.82772, 0.33242 }, { 0.18834 }},
{{ 0.49121, 0.89468 }, { 0.423113 }},
{{ 0.84729, 0.94866 }, { 0.3979 }}
};
/* Values at edges test */
double test_f11(double x, double y) { /* Function that computes values */
double val = 0.0;
val = (x * x - 0.5) * 0.6
+ (y * y - 0.5) * 0.4
+ 0.5;
return val;
}
co test_points11[] = {
{{ 0.0, 0.0 }},
{{ 0.0, 0.25 }},
{{ 0.0, 0.5 }},
{{ 0.0, 0.75 }},
{{ 0.0, 1.0 }},
{{ 0.25, 0.0 }},
{{ 0.25, 0.25 }},
{{ 0.25, 0.5 }},
{{ 0.25, 0.75 }},
{{ 0.25, 1.0 }},
{{ 0.5, 0.0 }},
{{ 0.5, 0.25 }},
{{ 0.5, 0.5 }},
{{ 0.5, 0.75 }},
{{ 0.5, 1.0 }},
{{ 0.75, 0.0 }},
{{ 0.75, 0.25 }},
{{ 0.75, 0.5 }},
{{ 0.75, 0.75 }},
{{ 0.75, 1.0 }},
{{ 1.0, 0.0 }},
{{ 1.0, 0.25 }},
{{ 1.0, 0.5 }},
{{ 1.0, 0.75 }},
{{ 1.0, 1.0 }},
{{ 0.2, 0.7 }},
{{ 0.2, 0.8 }},
{{ 0.2, 0.9 }},
{{ 0.2, 1.0 }},
{{ 0.1, 0.7 }},
{{ 0.1, 0.8 }},
{{ 0.1, 0.9 }},
{{ 0.1, 1.0 }},
{{ 0.0, 0.7 }},
{{ 0.0, 0.8 }},
{{ 0.0, 0.9 }}
};
/* Points consistent with a matrix interpolation */
co test_points12[] = {
{{ 0.1, 0.1 }, { 0.1 }},
{{ 0.5, 0.1 }, { 0.5 }},
{{ 0.9, 0.1 }, { 0.9 }},
{{ 0.1, 0.5 }, { 0.1 }},
{{ 0.5, 0.5 }, { 0.35 }},
{{ 0.9, 0.5 }, { 0.6 }},
{{ 0.1, 0.9 }, { 0.1 }},
{{ 0.5, 0.9 }, { 0.2 }},
{{ 0.9, 0.9 }, { 0.3 }}
};
/* Points down the "neutral axis" extrapolation test */
co test_points13[] = {
{{ 0.0069, 0.0071 }, { 0.0726 }},
{{ 0.0068, 0.0071 }, { 0.0704 }},
{{ 0.0069, 0.0072 }, { 0.0720 }},
{{ 0.0069, 0.0072 }, { 0.0734 }},
{{ 0.0069, 0.0072 }, { 0.0750 }},
{{ 0.0070, 0.0072 }, { 0.0779 }},
{{ 0.0070, 0.0072 }, { 0.0741 }},
{{ 0.0069, 0.0072 }, { 0.0745 }},
{{ 0.0069, 0.0072 }, { 0.0747 }},
{{ 0.0071, 0.0073 }, { 0.0760 }},
{{ 0.0070, 0.0073 }, { 0.0751 }},
{{ 0.0070, 0.0073 }, { 0.0759 }},
{{ 0.0071, 0.0074 }, { 0.0693 }},
{{ 0.0071, 0.0074 }, { 0.0740 }},
{{ 0.0072, 0.0075 }, { 0.0741 }},
{{ 0.0199, 0.0209 }, { 0.1019 }},
{{ 0.0296, 0.0306 }, { 0.1213 }},
{{ 0.0627, 0.0651 }, { 0.1779 }},
{{ 0.0831, 0.0863 }, { 0.2095 }},
{{ 0.1091, 0.1134 }, { 0.2487 }},
{{ 0.1442, 0.1497 }, { 0.2949 }},
{{ 0.1745, 0.1814 }, { 0.3360 }},
{{ 0.1747, 0.1816 }, { 0.3367 }},
{{ 0.1747, 0.1816 }, { 0.3364 }},
{{ 0.1748, 0.1816 }, { 0.3355 }},
{{ 0.1749, 0.1817 }, { 0.3344 }},
{{ 0.1748, 0.1817 }, { 0.3356 }},
{{ 0.1748, 0.1817 }, { 0.3354 }},
{{ 0.1749, 0.1817 }, { 0.3361 }},
{{ 0.1749, 0.1818 }, { 0.3368 }},
{{ 0.1749, 0.1818 }, { 0.3335 }},
{{ 0.1750, 0.1818 }, { 0.3367 }},
{{ 0.1750, 0.1819 }, { 0.3362 }},
{{ 0.1750, 0.1819 }, { 0.3359 }},
{{ 0.1751, 0.1820 }, { 0.3354 }},
{{ 0.1752, 0.1821 }, { 0.3355 }},
{{ 0.1754, 0.1823 }, { 0.3369 }},
{{ 0.1756, 0.1824 }, { 0.3360 }},
{{ 0.2743, 0.2842 }, { 0.4381 }},
{{ 0.3289, 0.3411 }, { 0.4922 }},
{{ 0.4036, 0.4184 }, { 0.5617 }},
{{ 0.4689, 0.4854 }, { 0.6147 }},
{{ 0.5379, 0.5567 }, { 0.6709 }},
{{ 0.7137, 0.7420 }, { 0.8045 }},
{{ 0.8730, 0.9105 }, { 0.9150 }},
{{ 0.8738, 0.9113 }, { 0.9141 }},
{{ 0.8741, 0.9116 }, { 0.9120 }},
{{ 0.8744, 0.9118 }, { 0.9173 }},
{{ 0.8748, 0.9123 }, { 0.9219 }},
{{ 0.8748, 0.9123 }, { 0.9133 }},
{{ 0.8748, 0.9124 }, { 0.9210 }},
{{ 0.8751, 0.9127 }, { 0.9207 }},
{{ 0.8751, 0.9127 }, { 0.9225 }},
{{ 0.8754, 0.9130 }, { 0.9137 }},
{{ 0.8757, 0.9133 }, { 0.9219 }},
{{ 0.8759, 0.9135 }, { 0.9166 }},
{{ 0.8761, 0.9137 }, { 0.9162 }},
{{ 0.8759, 0.9137 }, { 0.9151 }},
{{ 0.8765, 0.9141 }, { 0.9167 }}
};
#ifdef NEVER
#ifdef __STDC__
#include <stdarg.h>
void error(char *fmt, ...), warning(char *fmt, ...), verbose(int level, char *fmt, ...);
#else
#include <varargs.h>
void error(), warning(), verbose();
#endif
#endif /* NEVER */
void write_rgb_tiff(char *name, int width, int height, unsigned char *data);
void usage(void) {
fprintf(stderr,"Test 2D rspl interpolation\n");
fprintf(stderr,"Author: Graeme W. Gill\n");
fprintf(stderr,"usage: t2d [options]\n");
fprintf(stderr," -t n Test set:\n");
fprintf(stderr," * 1 = 1D curve along x = 0.5\n");
fprintf(stderr," 2 = x + y^2 with nonmon point\n");
fprintf(stderr," 3 = x + y^2\n");
fprintf(stderr," 4 = arbitrary11\n");
fprintf(stderr," 5 = 1D line of 3 points\n");
fprintf(stderr," 6 = same value 11 points\n");
fprintf(stderr," 7 = same value 3 points\n");
fprintf(stderr," 8 = C + M printer L* values\n");
fprintf(stderr," 9 = C + M printer a* values\n");
fprintf(stderr," 10 = C + M printer b* values\n");
fprintf(stderr," 11 = Points up to edge test\n");
fprintf(stderr," 12 = Four points with high smoothing\n");
fprintf(stderr," 13 = Neutral axis extrapolation\n");
fprintf(stderr," -r resx,resy Set grid resolutions (def %d %d)\n",GRES0,GRES1);
fprintf(stderr," -h Test half scale resolution too\n");
fprintf(stderr," -q Test quarter scale resolution too\n");
fprintf(stderr," -x Use auto smoothing\n");
fprintf(stderr," -s Test symetric smoothness (set asymetric -r !)\n");
fprintf(stderr," -S Test spline interpolation\n");
fprintf(stderr," -p plot 3 slices, x = 0.5, y = 0.5, x = y\n");
fprintf(stderr," -P x1:y1:x2:y2 plot a slice from x1,y1 to x2,y2\n");
fprintf(stderr," -m No red point markers in TIFF\n");
exit(1);
}
int main(int argc, char *argv[]) {
int fa,nfa; /* argument we're looking at */
rspl *rss; /* Regularized spline structure */
rspl *rss2 = NULL; /* Regularized spline structure at half resolution */
datai low,high;
int gres[MXDI];
int gres2[MXDI];
double avgdev[MXDO];
co *test_points = test_points1;
int npoints = sizeof(test_points1)/sizeof(co);
int dospline = 0;
int autosm = 0;
int dosym = 0;
int doplot = 0;
double plotpts[2][2]; /* doplot == 2 start/end points */
int doh = 0; /* half scale */
int doq = 0;
int rsv;
int flags = RSPL_NOFLAGS;
int markers = 1;
double smooth = 1.0;
low[0] = 0.0;
low[1] = 0.0;
high[0] = 1.0;
high[1] = 1.0;
gres[0] = GRES0;
gres[1] = GRES1;
avgdev[0] = 0.0;
avgdev[1] = 0.0;
/* Process the arguments */
for(fa = 1;fa < argc;fa++) {
nfa = fa; /* skip to nfa if next argument is used */
if (argv[fa][0] == '-') { /* Look for any flags */
char *na = NULL; /* next argument after flag, null if none */
if (argv[fa][2] != '\000')
na = &argv[fa][2]; /* next is directly after flag */
else {
if ((fa+1) < argc) {
if (argv[fa+1][0] != '-') {
nfa = fa + 1;
na = argv[nfa]; /* next is seperate non-flag argument */
}
}
}
if (argv[fa][1] == '?')
usage();
/* test set */
else if (argv[fa][1] == 't' || argv[fa][1] == 'T') {
int ix;
fa = nfa;
if (na == NULL) usage();
ix = atoi(na);
switch (ix) {
case 1:
test_points = test_points1;
npoints = sizeof(test_points1)/sizeof(co);
break;
case 2:
test_points = test_points2;
npoints = sizeof(test_points2)/sizeof(co);
break;
case 3:
test_points = test_points3;
npoints = sizeof(test_points3)/sizeof(co);
break;
case 4:
test_points = test_points4;
npoints = sizeof(test_points4)/sizeof(co);
break;
case 5:
test_points = test_points5;
npoints = sizeof(test_points5)/sizeof(co);
break;
case 6:
test_points = test_points6;
npoints = sizeof(test_points6)/sizeof(co);
break;
case 7:
test_points = test_points7;
npoints = sizeof(test_points7)/sizeof(co);
break;
case 8:
test_points = test_points8;
npoints = sizeof(test_points8)/sizeof(co);
break;
case 9:
test_points = test_points9;
npoints = sizeof(test_points9)/sizeof(co);
break;
case 10:
test_points = test_points10;
npoints = sizeof(test_points10)/sizeof(co);
break;
case 11: {
int i;
test_points = test_points11;
npoints = sizeof(test_points11)/sizeof(co);
for (i = 0; i < npoints; i++) {
test_points[i].v[0] = test_f11(test_points[i].p[0],test_points[i].p[1]);
}
break;
case 12:
test_points = test_points12;
npoints = sizeof(test_points12)/sizeof(co);
// smooth = -100000.0;
// smooth = 1e-4;
avgdev[0] = 0.1;
avgdev[1] = 0.1;
break;
case 13:
test_points = test_points13;
npoints = sizeof(test_points13)/sizeof(co);
break;
}
default:
usage();
}
} else if (argv[fa][1] == 'r' || argv[fa][1] == 'R') {
fa = nfa;
if (na == NULL) usage();
if (sscanf(na, " %d,%d ", &gres[0], &gres[1]) != 2)
usage();
} else if (argv[fa][1] == 'h' || argv[fa][1] == 'H') {
doh = 1;
} else if (argv[fa][1] == 'q' || argv[fa][1] == 'Q') {
doh = 1;
doq = 1;
} else if (argv[fa][1] == 'p') {
doplot = 1;
} else if (argv[fa][1] == 'P') {
doplot = 2;
fa = nfa;
if (na == NULL) usage();
if (sscanf(na,"%lf:%lf:%lf:%lf",&plotpts[0][0],&plotpts[0][1],&plotpts[1][0],&plotpts[1][1]) != 4) {
usage();
}
} else if (argv[fa][1] == 'S') {
dospline = 1;
} else if (argv[fa][1] == 'x') {
autosm = 1;
} else if (argv[fa][1] == 's') {
dosym = 1;
} else if (argv[fa][1] == 'm') {
markers = 0;
} else
usage();
} else
break;
}
if (autosm)
flags |= RSPL_AUTOSMOOTH;
if (dosym)
flags |= RSPL_SYMDOMAIN;
/* Create the object */
rss = new_rspl(RSPL_NOFLAGS, 2, 1);
/* Fit to scattered data */
rss->fit_rspl(rss,
flags, /* Non-mon and clip flags */
test_points, /* Test points */
npoints, /* Number of test points */
low, high, gres, /* Low, high, resolution of grid */
NULL, NULL, /* Default data scale */
smooth, /* Smoothing */
avgdev, /* Average deviation */
NULL); /* iwidth */
if (doh) {
if (doq) {
gres2[0] = gres[0]/4;
gres2[1] = gres[1]/4;
} else {
gres2[0] = gres[0]/2;
gres2[1] = gres[1]/2;
}
rss2 = new_rspl(RSPL_NOFLAGS, 2, 1);
/* Fit to scattered data */
rss2->fit_rspl(rss2,
flags, /* Non-mon and clip flags */
test_points, /* Test points */
npoints, /* Number of test points */
low, high, gres2, /* Low, high, resolution of grid */
NULL, NULL, /* Default data scale */
1.0, /* Smoothing */
avgdev, /* Average deviation */
NULL); /* iwidth */
}
/* Plot the interpolation in 2D */
for (rsv = 0; rsv <= doh; rsv++) {
double x1 = -0.2; /* Plot range */
double x2 = 1.2;
double y1 = -0.2;
double y2 = 1.2;
double min = -0.0;
double max = 1.0;
rspl *rs;
unsigned char pa[HEIGHT][WIDTH][3];
co tco; /* Test point */
double sx,sy;
int i,j,k;
if (rsv == 0)
rs = rss;
else
rs = rss2;
sx = (x2 - x1)/(double)WIDTH;
sy = (y2 - y1)/(double)HEIGHT;
for (j=0; j < HEIGHT; j++) {
tco.p[1] = (double)((HEIGHT-1) - j) * sy + y1;
for (i=0; i < WIDTH; i++) {
tco.p[0] = (double)i * sx + x1;
if ((dospline && rs->spline_interp(rs, &tco))
|| (!dospline && rs->interp(rs, &tco))) {
pa[j][i][0] = 0; /* Out of bounds in green */
pa[j][i][1] = 100;
pa[j][i][2] = 0;
} else {
int m;
/* printf("%d %d, %f %f returned %f\n",i,j,tco.p[0],tco.p[1],tco.v[0]); */
m = (int)((255.0 * (tco.v[0] - min)/(max - min)) + 0.5);
if (m < 0) {
pa[j][i][0] = 20; /* Dark blue */
pa[j][i][1] = 20;
pa[j][i][2] = 50;
} else if (m > 255) {
pa[j][i][0] = 230; /* Light blue */
pa[j][i][1] = 230;
pa[j][i][2] = 255;
} else {
pa[j][i][0] = m; /* Level in grey */
pa[j][i][1] = m;
pa[j][i][2] = m;
}
}
}
}
if (markers) {
/* Mark vertices in red */
for(k = 0; k < npoints; k++) {
j = (int)((HEIGHT * (y2 - test_points[k].p[1])/(y2 - y1)) + 0.5);
i = (int)((WIDTH * (test_points[k].p[0] - x1)/(x2 - x1)) + 0.5);
pa[j][i][0] = 255;
pa[j][i][1] = 0;
pa[j][i][2] = 0;
}
}
write_rgb_tiff(rsv == 0 ? "t2d.tif" : "t2dh.tif" ,WIDTH,HEIGHT,(unsigned char *)pa);
}
/* Plot out 3 slices */
if (doplot == 1) {
int slice;
for (slice = 0; slice < 3; slice++) {
co tp; /* Test point */
double x[PLOTRES];
double ya[PLOTRES];
double yb[PLOTRES];
double xx,yy;
double x1,x2,y1,y2;
double sx,sy;
int i,n;
/* Set up slice to plot */
if (slice == 0) {
printf("Slice along x = 0.5\n");
x1 = 0.5; y1 = 0.0;
x2 = 0.5; y2 = 1.0;
n = PLOTRES;
} else if (slice == 1) {
printf("Slice along y = 0.5\n");
x1 = 0.0; y1 = 0.5;
x2 = 1.0; y2 = 0.5;
n = PLOTRES;
} else {
printf("Slice along x = y\n");
x1 = 0.0; y1 = 0.0;
x2 = 1.0; y2 = 1.0;
n = PLOTRES;
}
sx = (x2 - x1)/n;
sy = (y2 - y1)/n;
xx = x1;
yy = y1;
for (i = 0; i < n; i++) {
double vv = i/(n-1.0);
x[i] = vv;
tp.p[0] = xx;
tp.p[1] = yy;
if ((dospline && rss->spline_interp(rss, &tp))
|| (!dospline && rss->interp(rss, &tp)))
tp.v[0] = -0.1;
ya[i] = tp.v[0];
if (doh) {
if ((dospline && rss2->spline_interp(rss2, &tp))
|| (!dospline && rss2->interp(rss2, &tp)))
tp.v[0] = -0.1;
yb[i] = tp.v[0];
}
xx += sx;
yy += sy;
}
/* Plot the result */
if (doh)
do_plot(x,ya,yb,NULL,n);
else
do_plot(x,ya,NULL,NULL,n);
}
} else if (doplot == 2) { /* Plot a given slice */
co tp; /* Test point */
double x[PLOTRES];
double ya[PLOTRES];
double yb[PLOTRES];
double xx,yy;
double x1,x2,y1,y2;
double sx,sy;
int i,n;
x1 = plotpts[0][0];
y1 = plotpts[0][1];
x2 = plotpts[1][0];
y2 = plotpts[1][1];
printf("Slice from %f,%f to %f,%f\n",x1,y1,x2,y2);
n = PLOTRES;
sx = (x2 - x1)/n;
sy = (y2 - y1)/n;
xx = x1;
yy = y1;
for (i = 0; i < n; i++) {
double vv = i/(n-1.0);
x[i] = vv;
tp.p[0] = xx;
tp.p[1] = yy;
if ((dospline && rss->spline_interp(rss, &tp))
|| (!dospline && rss->interp(rss, &tp)))
tp.v[0] = -0.1;
ya[i] = tp.v[0];
if (doh) {
if ((dospline && rss2->spline_interp(rss2, &tp))
|| (!dospline && rss2->interp(rss2, &tp)))
tp.v[0] = -0.1;
yb[i] = tp.v[0];
}
xx += sx;
yy += sy;
}
/* Plot the result */
if (doh)
do_plot(x,ya,yb,NULL,n);
else
do_plot(x,ya,NULL,NULL,n);
}
/* Report the fit */
{
co tco; /* Test point */
int k;
double avg = 0;
double max = 0.0;
for(k = 0; k < npoints; k++) {
double err;
tco.p[0] = test_points[k].p[0];
tco.p[1] = test_points[k].p[1];
if (dospline)
rss->spline_interp(rss, &tco);
else
rss->interp(rss, &tco);
err = tco.v[0] - test_points[k].v[0];
err = fabs(err);
avg += err;
if (err > max)
max = err;
}
avg /= (double)npoints;
printf("Max error %f%%, average %f%%\n",100.0 * max, 100.0 * avg);
}
return 0;
}
/* ---------------------- */
/* Tiff diagnostic output */
void
write_rgb_tiff(
char *name,
int width,
int height,
unsigned char *data
) {
int y;
unsigned char *dp;
TIFF *tif;
if ((tif = TIFFOpen(name, "w")) == NULL) {
fprintf(stderr,"Failed to open output TIFF file '%s'\n",name);
exit (-1);
}
TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width);
TIFFSetField(tif, TIFFTAG_IMAGELENGTH, height);
TIFFSetField(tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 3);
TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 8);
TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_NONE);
for (dp = data, y = 0; y < height; y++, dp += 3 * width) {
if (TIFFWriteScanline(tif, (tdata_t)dp, y, 0) < 0) {
fprintf(stderr,"WriteScanline Failed at line %d\n",y);
exit (-1);
}
}
(void) TIFFClose(tif);
}
#ifdef NEVER
/******************************************************************/
/* Error/debug output routines */
/******************************************************************/
/* Basic printf type error() and warning() routines */
#ifdef __STDC__
void
error(char *fmt, ...)
#else
void
error(va_alist)
va_dcl
#endif
{
va_list args;
#ifndef __STDC__
char *fmt;
#endif
fprintf(stderr,"cmatch: Error - ");
#ifdef __STDC__
va_start(args, fmt);
#else
va_start(args);
fmt = va_arg(args, char *);
#endif
vfprintf(stderr, fmt, args);
va_end(args);
fprintf(stderr, "\n");
fflush(stdout);
exit (-1);
}
#ifdef __STDC__
void
warning(char *fmt, ...)
#else
void
warning(va_alist)
va_dcl
#endif
{
va_list args;
#ifndef __STDC__
char *fmt;
#endif
fprintf(stderr,"cmatch: Warning - ");
#ifdef __STDC__
va_start(args, fmt);
#else
va_start(args);
fmt = va_arg(args, char *);
#endif
vfprintf(stderr, fmt, args);
va_end(args);
fprintf(stderr, "\n");
}
#ifdef __STDC__
void
verbose(int level, char *fmt, ...)
{
va_list args;
va_start(args, fmt);
#else
verbose(va_alist)
va_dcl
{
va_list args;
int level;
char *fmt;
va_start(args);
level = va_arg(args, int);
fmt = va_arg(args, char *);
#endif
if (verbose_level >= level)
{
fprintf(verbose_out,"cmatch: ");
vfprintf(verbose_out, fmt, args);
fprintf(verbose_out, "\n");
fflush(verbose_out);
}
va_end(args);
}
#endif /* NEVER */
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