1 |
greg |
1.1 |
#ifndef lint |
2 |
greg |
2.11 |
static const char RCSid[] = "$Id: mkillum3.c,v 2.10 2004/09/28 17:54:18 greg Exp $"; |
3 |
greg |
1.1 |
#endif |
4 |
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/* |
5 |
|
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* Routines to print mkillum objects |
6 |
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*/ |
7 |
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8 |
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#include "mkillum.h" |
9 |
greg |
2.11 |
#include "paths.h" |
10 |
greg |
1.1 |
|
11 |
greg |
1.7 |
#define brt(col) (.263*(col)[0]+.655*(col)[1]+.082*(col)[2]) |
12 |
greg |
1.1 |
|
13 |
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char DATORD[] = "RGB"; /* data ordering */ |
14 |
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char DATSUF[] = ".dat"; /* data file suffix */ |
15 |
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char DSTSUF[] = ".dist"; /* distribution suffix */ |
16 |
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char FNCFNM[] = "illum.cal"; /* function file name */ |
17 |
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18 |
schorsch |
2.9 |
void compinv(float *rinv, float *rp, int m); |
19 |
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void colorout(int p, float *da, int n, int m, double mult, FILE *fp); |
20 |
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void fputnum(double d, FILE *fp); |
21 |
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void brightout(float *da, int n, int m, double mult, FILE *fp); |
22 |
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void fputeol(FILE *fp); |
23 |
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void compavg(float col[3], float *da, int n); |
24 |
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char * dfname(struct illum_args *il, int c); |
25 |
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FILE * dfopen(struct illum_args *il, int c); |
26 |
greg |
1.1 |
|
27 |
schorsch |
2.9 |
|
28 |
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void |
29 |
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printobj( /* print out an object */ |
30 |
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char *mod, |
31 |
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register OBJREC *obj |
32 |
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) |
33 |
greg |
1.1 |
{ |
34 |
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register int i; |
35 |
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36 |
greg |
2.3 |
if (issurface(obj->otype) && !strcmp(mod, VOIDID)) |
37 |
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return; /* don't print void surfaces */ |
38 |
greg |
1.1 |
printf("\n%s %s %s", mod, ofun[obj->otype].funame, obj->oname); |
39 |
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printf("\n%d", obj->oargs.nsargs); |
40 |
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for (i = 0; i < obj->oargs.nsargs; i++) |
41 |
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printf(" %s", obj->oargs.sarg[i]); |
42 |
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#ifdef IARGS |
43 |
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printf("\n%d", obj->oargs.niargs); |
44 |
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for (i = 0; i < obj->oargs.niargs; i++) |
45 |
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printf(" %d", obj->oargs.iarg[i]); |
46 |
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#else |
47 |
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printf("\n0"); |
48 |
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#endif |
49 |
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printf("\n%d", obj->oargs.nfargs); |
50 |
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for (i = 0; i < obj->oargs.nfargs; i++) { |
51 |
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if (i%3 == 0) |
52 |
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putchar('\n'); |
53 |
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printf(" %18.12g", obj->oargs.farg[i]); |
54 |
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} |
55 |
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putchar('\n'); |
56 |
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} |
57 |
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58 |
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59 |
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char * |
60 |
schorsch |
2.9 |
dfname( /* return data file name */ |
61 |
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struct illum_args *il, |
62 |
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int c |
63 |
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) |
64 |
greg |
1.1 |
{ |
65 |
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char fname[MAXSTR]; |
66 |
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register char *s; |
67 |
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68 |
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s = strcpy(fname, il->datafile); |
69 |
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s += strlen(s); |
70 |
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if (c) *s++ = c; |
71 |
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if (il->dfnum > 0) { |
72 |
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sprintf(s, "%d", il->dfnum); |
73 |
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s += strlen(s); |
74 |
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} |
75 |
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strcpy(s, DATSUF); |
76 |
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return(getpath(fname, NULL, 0)); |
77 |
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} |
78 |
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79 |
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80 |
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FILE * |
81 |
schorsch |
2.9 |
dfopen( /* open data file */ |
82 |
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register struct illum_args *il, |
83 |
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int c |
84 |
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) |
85 |
greg |
1.1 |
{ |
86 |
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char *fn; |
87 |
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FILE *fp; |
88 |
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/* get a usable file name */ |
89 |
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for (fn = dfname(il, c); |
90 |
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!(il->flags & IL_DATCLB) && access(fn, F_OK) == 0; |
91 |
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fn = dfname(il, c)) |
92 |
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il->dfnum++; |
93 |
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/* open it for writing */ |
94 |
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if ((fp = fopen(fn, "w")) == NULL) { |
95 |
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sprintf(errmsg, "cannot open data file \"%s\"", fn); |
96 |
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error(SYSTEM, errmsg); |
97 |
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} |
98 |
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return(fp); |
99 |
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} |
100 |
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101 |
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102 |
schorsch |
2.9 |
extern void |
103 |
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flatout( /* write hemispherical distribution */ |
104 |
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struct illum_args *il, |
105 |
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float *da, |
106 |
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int n, |
107 |
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int m, |
108 |
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FVECT u, |
109 |
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FVECT v, |
110 |
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FVECT w |
111 |
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) |
112 |
greg |
1.1 |
{ |
113 |
greg |
2.5 |
float *Ninv; |
114 |
greg |
1.1 |
FILE *dfp; |
115 |
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int i; |
116 |
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|
117 |
greg |
2.5 |
if ((Ninv = (float *)malloc(3*m*sizeof(float))) == NULL) |
118 |
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error(SYSTEM, "out of memory in flatout"); |
119 |
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compinv(Ninv, da, m); |
120 |
greg |
1.1 |
if (il->flags & IL_COLDST) { |
121 |
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printf("\n%s %s %s%s", VOIDID, ofun[PAT_CDATA].funame, |
122 |
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il->matname, DSTSUF); |
123 |
greg |
2.5 |
printf("\n9 red green blue"); |
124 |
greg |
1.1 |
for (i = 0; i < 3; i++) { |
125 |
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dfp = dfopen(il, DATORD[i]); |
126 |
greg |
1.6 |
fprintf(dfp, "2\n%f %f %d\n%f %f %d\n", |
127 |
greg |
2.5 |
1.+.5/n, .5/n, n+1, |
128 |
greg |
1.6 |
0., 2.*PI, m+1); |
129 |
greg |
2.5 |
colorout(i, Ninv, 1, m, 1./il->nsamps/il->col[i], dfp); |
130 |
greg |
1.6 |
colorout(i, da, n, m, 1./il->nsamps/il->col[i], dfp); |
131 |
greg |
2.5 |
fputeol(dfp); |
132 |
greg |
1.1 |
fclose(dfp); |
133 |
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printf(" %s", dfname(il, DATORD[i])); |
134 |
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} |
135 |
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} else { |
136 |
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printf("\n%s %s %s%s", VOIDID, ofun[PAT_BDATA].funame, |
137 |
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il->matname, DSTSUF); |
138 |
greg |
2.5 |
printf("\n5 noneg"); |
139 |
greg |
1.1 |
dfp = dfopen(il, 0); |
140 |
greg |
2.6 |
fprintf(dfp, "2\n%f %f %d\n%f %f %d\n", |
141 |
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1.+.5/n, .5/n, n+1, |
142 |
greg |
1.6 |
0., 2.*PI, m+1); |
143 |
greg |
2.5 |
brightout(Ninv, 1, m, 1./il->nsamps/brt(il->col), dfp); |
144 |
greg |
1.6 |
brightout(da, n, m, 1./il->nsamps/brt(il->col), dfp); |
145 |
greg |
2.5 |
fputeol(dfp); |
146 |
greg |
1.1 |
fclose(dfp); |
147 |
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printf(" %s", dfname(il, 0)); |
148 |
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} |
149 |
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printf("\n\t%s il_alth il_azih", FNCFNM); |
150 |
greg |
2.5 |
printf("\n0\n9\n"); |
151 |
greg |
1.1 |
printf("\t%f\t%f\t%f\n", u[0], u[1], u[2]); |
152 |
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printf("\t%f\t%f\t%f\n", v[0], v[1], v[2]); |
153 |
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printf("\t%f\t%f\t%f\n", w[0], w[1], w[2]); |
154 |
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il->dfnum++; |
155 |
greg |
2.7 |
free((void *)Ninv); |
156 |
greg |
1.1 |
} |
157 |
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158 |
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|
159 |
schorsch |
2.9 |
extern void |
160 |
|
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roundout( /* write spherical distribution */ |
161 |
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struct illum_args *il, |
162 |
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float *da, |
163 |
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int n, |
164 |
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int m |
165 |
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) |
166 |
greg |
1.1 |
{ |
167 |
greg |
2.5 |
float *Ninv, *Sinv; |
168 |
greg |
1.1 |
FILE *dfp; |
169 |
|
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int i; |
170 |
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|
171 |
greg |
2.5 |
if ((Ninv = (float *)malloc(3*m*sizeof(float))) == NULL || |
172 |
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(Sinv = (float *)malloc(3*m*sizeof(float))) == NULL) |
173 |
greg |
2.6 |
error(SYSTEM, "out of memory in roundout"); |
174 |
greg |
2.5 |
compinv(Ninv, da, m); |
175 |
|
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compinv(Sinv, da+3*m*(n-1), m); |
176 |
greg |
1.1 |
if (il->flags & IL_COLDST) { |
177 |
|
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printf("\n%s %s %s%s", VOIDID, ofun[PAT_CDATA].funame, |
178 |
|
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il->matname, DSTSUF); |
179 |
greg |
2.5 |
printf("\n9 red green blue"); |
180 |
greg |
1.1 |
for (i = 0; i < 3; i++) { |
181 |
|
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dfp = dfopen(il, DATORD[i]); |
182 |
greg |
1.6 |
fprintf(dfp, "2\n%f %f %d\n%f %f %d\n", |
183 |
greg |
2.5 |
1.+1./n, -1.-1./n, n+2, |
184 |
greg |
1.6 |
0., 2.*PI, m+1); |
185 |
greg |
2.5 |
colorout(i, Ninv, 1, m, 1./il->nsamps/il->col[i], dfp); |
186 |
greg |
1.6 |
colorout(i, da, n, m, 1./il->nsamps/il->col[i], dfp); |
187 |
greg |
2.5 |
colorout(i, Sinv, 1, m, 1./il->nsamps/il->col[i], dfp); |
188 |
|
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fputeol(dfp); |
189 |
greg |
1.1 |
fclose(dfp); |
190 |
|
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printf(" %s", dfname(il, DATORD[i])); |
191 |
|
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} |
192 |
|
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} else { |
193 |
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printf("\n%s %s %s%s", VOIDID, ofun[PAT_BDATA].funame, |
194 |
|
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il->matname, DSTSUF); |
195 |
greg |
2.5 |
printf("\n5 noneg"); |
196 |
greg |
1.1 |
dfp = dfopen(il, 0); |
197 |
greg |
2.6 |
fprintf(dfp, "2\n%f %f %d\n%f %f %d\n", |
198 |
|
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1.+1./n, -1.-1./n, n+2, |
199 |
greg |
1.6 |
0., 2.*PI, m+1); |
200 |
greg |
2.5 |
brightout(Ninv, 1, m, 1./il->nsamps/brt(il->col), dfp); |
201 |
greg |
1.6 |
brightout(da, n, m, 1./il->nsamps/brt(il->col), dfp); |
202 |
greg |
2.5 |
brightout(Sinv, 1, m, 1./il->nsamps/brt(il->col), dfp); |
203 |
|
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fputeol(dfp); |
204 |
greg |
1.1 |
fclose(dfp); |
205 |
|
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printf(" %s", dfname(il, 0)); |
206 |
|
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} |
207 |
|
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printf("\n\t%s il_alt il_azi", FNCFNM); |
208 |
greg |
2.5 |
printf("\n0\n0\n"); |
209 |
greg |
1.1 |
il->dfnum++; |
210 |
greg |
2.7 |
free((void *)Ninv); |
211 |
|
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free((void *)Sinv); |
212 |
greg |
1.2 |
} |
213 |
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|
214 |
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|
215 |
schorsch |
2.9 |
extern void |
216 |
|
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illumout( /* print illum object */ |
217 |
|
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register struct illum_args *il, |
218 |
|
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OBJREC *ob |
219 |
|
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) |
220 |
greg |
1.2 |
{ |
221 |
|
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double cout[3]; |
222 |
|
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|
223 |
greg |
1.4 |
if (il->sampdens <= 0) |
224 |
|
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printf("\n%s ", VOIDID); |
225 |
|
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else |
226 |
|
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printf("\n%s%s ", il->matname, DSTSUF); |
227 |
|
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printf("%s %s", ofun[il->flags&IL_LIGHT?MAT_LIGHT:MAT_ILLUM].funame, |
228 |
greg |
1.2 |
il->matname); |
229 |
|
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if (il->flags & IL_LIGHT || !strcmp(il->altmat,VOIDID)) |
230 |
|
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printf("\n0"); |
231 |
|
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else |
232 |
|
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printf("\n1 %s", il->altmat); |
233 |
|
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if (il->flags & IL_COLAVG) { |
234 |
|
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cout[0] = il->col[0]; |
235 |
|
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cout[1] = il->col[1]; |
236 |
|
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cout[2] = il->col[2]; |
237 |
|
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} else { |
238 |
|
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cout[0] = cout[1] = cout[2] = brt(il->col); |
239 |
|
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} |
240 |
greg |
1.3 |
printf("\n0\n3 %f %f %f\n", cout[0], cout[1], cout[2]); |
241 |
greg |
1.2 |
|
242 |
|
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printobj(il->matname, ob); |
243 |
greg |
1.1 |
} |
244 |
|
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|
245 |
|
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|
246 |
schorsch |
2.9 |
void |
247 |
|
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compavg( /* compute average for set of data values */ |
248 |
|
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float col[3], |
249 |
|
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register float *da, |
250 |
|
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int n |
251 |
|
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) |
252 |
greg |
1.1 |
{ |
253 |
|
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register int i; |
254 |
|
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|
255 |
greg |
2.4 |
col[0] = col[1] = col[2] = 0.; |
256 |
greg |
1.1 |
i = n; |
257 |
|
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while (i-- > 0) { |
258 |
greg |
2.4 |
col[0] += *da++; |
259 |
|
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col[1] += *da++; |
260 |
|
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col[2] += *da++; |
261 |
greg |
1.1 |
} |
262 |
|
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for (i = 0; i < 3; i++) |
263 |
greg |
2.5 |
col[i] /= (double)n; |
264 |
greg |
2.4 |
} |
265 |
greg |
1.5 |
|
266 |
greg |
2.4 |
|
267 |
schorsch |
2.9 |
void |
268 |
|
|
compinv( /* compute other side of row average */ |
269 |
|
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register float *rinv, |
270 |
|
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register float *rp, |
271 |
|
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int m |
272 |
|
|
) |
273 |
greg |
2.5 |
{ |
274 |
|
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float avg[3]; |
275 |
|
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|
276 |
|
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compavg(avg, rp, m); /* row average */ |
277 |
|
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while (m-- > 0) { |
278 |
|
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*rinv++ = 2.*avg[0] - *rp++; |
279 |
|
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*rinv++ = 2.*avg[1] - *rp++; |
280 |
|
|
*rinv++ = 2.*avg[2] - *rp++; |
281 |
|
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} |
282 |
|
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} |
283 |
|
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|
284 |
|
|
|
285 |
schorsch |
2.9 |
extern int |
286 |
|
|
average( /* evaluate average value for distribution */ |
287 |
|
|
register struct illum_args *il, |
288 |
|
|
float *da, |
289 |
|
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int n |
290 |
|
|
) |
291 |
greg |
2.4 |
{ |
292 |
greg |
2.5 |
compavg(il->col, da, n); /* average */ |
293 |
|
|
if (il->nsamps > 1) { |
294 |
|
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il->col[0] /= (double)il->nsamps; |
295 |
|
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il->col[1] /= (double)il->nsamps; |
296 |
|
|
il->col[2] /= (double)il->nsamps; |
297 |
|
|
} |
298 |
greg |
2.4 |
/* brighter than minimum? */ |
299 |
greg |
1.6 |
return(brt(il->col) > il->minbrt+FTINY); |
300 |
greg |
1.1 |
} |
301 |
|
|
|
302 |
|
|
|
303 |
greg |
1.6 |
static int colmcnt = 0; /* count of columns written */ |
304 |
|
|
|
305 |
schorsch |
2.9 |
void |
306 |
|
|
fputnum( /* put out a number to fp */ |
307 |
|
|
double d, |
308 |
|
|
FILE *fp |
309 |
|
|
) |
310 |
greg |
1.6 |
{ |
311 |
greg |
2.5 |
if (colmcnt++ % 5 == 0) |
312 |
greg |
1.6 |
putc('\n', fp); |
313 |
|
|
fprintf(fp, " %11e", d); |
314 |
|
|
} |
315 |
|
|
|
316 |
|
|
|
317 |
schorsch |
2.9 |
void |
318 |
|
|
fputeol( /* write end of line to fp */ |
319 |
|
|
register FILE *fp |
320 |
|
|
) |
321 |
greg |
1.6 |
{ |
322 |
|
|
putc('\n', fp); |
323 |
|
|
colmcnt = 0; |
324 |
|
|
} |
325 |
|
|
|
326 |
|
|
|
327 |
schorsch |
2.9 |
void |
328 |
|
|
colorout( /* put out color distribution data */ |
329 |
|
|
int p, |
330 |
|
|
register float *da, |
331 |
|
|
int n, |
332 |
|
|
int m, |
333 |
|
|
double mult, |
334 |
|
|
FILE *fp |
335 |
|
|
) |
336 |
greg |
1.1 |
{ |
337 |
greg |
1.6 |
register int i, j; |
338 |
greg |
1.1 |
|
339 |
|
|
for (i = 0; i < n; i++) { |
340 |
greg |
1.6 |
for (j = 0; j < m; j++) { |
341 |
|
|
fputnum(mult*da[p], fp); |
342 |
|
|
da += 3; |
343 |
|
|
} |
344 |
|
|
fputnum(mult*da[p-3*m], fp); /* wrap phi */ |
345 |
greg |
1.1 |
} |
346 |
|
|
} |
347 |
|
|
|
348 |
|
|
|
349 |
schorsch |
2.9 |
void |
350 |
|
|
brightout( /* put out brightness distribution data */ |
351 |
|
|
register float *da, |
352 |
|
|
int n, |
353 |
|
|
int m, |
354 |
|
|
double mult, |
355 |
|
|
FILE *fp |
356 |
|
|
) |
357 |
greg |
1.1 |
{ |
358 |
greg |
1.6 |
register int i, j; |
359 |
greg |
1.1 |
|
360 |
|
|
for (i = 0; i < n; i++) { |
361 |
greg |
1.6 |
for (j = 0; j < m; j++) { |
362 |
|
|
fputnum(mult*brt(da), fp); |
363 |
|
|
da += 3; |
364 |
|
|
} |
365 |
|
|
fputnum(mult*brt(da-3*m), fp); /* wrap phi */ |
366 |
greg |
1.1 |
} |
367 |
|
|
} |