src/gen/mkillum3.c

/* Copyright (c) 1991 Regents of the University of California */

#ifndef lint
static char SCCSid[] = "$SunId$ LBL";
#endif

/*
 * Routines to print mkillum objects
 */

#include  "mkillum.h"

#define  brt(col)       (.295*(col)[0] + .636*(col)[1] + .070*(col)[2])

char    DATORD[] = "RGB";               /* data ordering */
char    DATSUF[] = ".dat";              /* data file suffix */
char    DSTSUF[] = ".dist";             /* distribution suffix */
char    FNCFNM[] = "illum.cal";         /* function file name */


printobj(mod, obj)              /* print out an object */
char  *mod;
register OBJREC  *obj;
{
        register int  i;

        printf("\n%s %s %s", mod, ofun[obj->otype].funame, obj->oname);
        printf("\n%d", obj->oargs.nsargs);
        for (i = 0; i < obj->oargs.nsargs; i++)
                printf(" %s", obj->oargs.sarg[i]);
#ifdef  IARGS
        printf("\n%d", obj->oargs.niargs);
        for (i = 0; i < obj->oargs.niargs; i++)
                printf(" %d", obj->oargs.iarg[i]);
#else
        printf("\n0");
#endif
        printf("\n%d", obj->oargs.nfargs);
        for (i = 0; i < obj->oargs.nfargs; i++) {
                if (i%3 == 0)
                        putchar('\n');
                printf(" %18.12g", obj->oargs.farg[i]);
        }
        putchar('\n');
}


char *
dfname(il, c)                   /* return data file name */
struct illum_args  *il;
int  c;
{
        extern char  *getpath(), *strcpy();
        char  fname[MAXSTR];
        register char  *s;

        s = strcpy(fname, il->datafile);
        s += strlen(s);
        if (c) *s++ = c;
        if (il->dfnum > 0) {
                sprintf(s, "%d", il->dfnum);
                s += strlen(s);
        }
        strcpy(s, DATSUF);
        return(getpath(fname, NULL, 0));
}


FILE *
dfopen(il, c)                   /* open data file */
register struct illum_args  *il;
int  c;
{
        char  *fn;
        FILE  *fp;
                                        /* get a usable file name */
        for (fn = dfname(il, c);
                        !(il->flags & IL_DATCLB) && access(fn, F_OK) == 0;
                        fn = dfname(il, c))
                il->dfnum++;
                                        /* open it for writing */
        if ((fp = fopen(fn, "w")) == NULL) {
                sprintf(errmsg, "cannot open data file \"%s\"", fn);
                error(SYSTEM, errmsg);
        }
        return(fp);
}


flatout(il, da, n, m, u, v, w)          /* write hemispherical distribution */
struct illum_args  *il;
float  *da;
int  n, m;
FVECT  u, v, w;
{
        FILE  *dfp;
        int  i;

        average(il, da, n*m);
        if (il->flags & IL_COLDST) {
                printf("\n%s %s %s%s", VOIDID, ofun[PAT_CDATA].funame,
                                il->matname, DSTSUF);
                printf("\n9 red green blue");
                for (i = 0; i < 3; i++) {
                        dfp = dfopen(il, DATORD[i]);
                        fprintf(dfp, "2\n1 0 %d\n0 %f %d\n", n, 2.*PI, m);
                        colorout(i, da, n*m, 1./il->nsamps/il->col[i], dfp);
                        fclose(dfp);
                        printf(" %s", dfname(il, DATORD[i]));
                }
        } else {
                printf("\n%s %s %s%s", VOIDID, ofun[PAT_BDATA].funame,
                                il->matname, DSTSUF);
                printf("\n5 noop");
                dfp = dfopen(il, 0);
                fprintf(dfp, "2\n1 0 %d\n0 %f %d\n", n, 2.*PI, m);
                brightout(da, n*m, 1./il->nsamps/brt(il->col), dfp);
                fclose(dfp);
                printf(" %s", dfname(il, 0));
        }
        printf("\n\t%s il_alth il_azih", FNCFNM);
        printf("\n0\n9\n");
        printf("\t%f\t%f\t%f\n", u[0], u[1], u[2]);
        printf("\t%f\t%f\t%f\n", v[0], v[1], v[2]);
        printf("\t%f\t%f\t%f\n", w[0], w[1], w[2]);
        il->dfnum++;
}


roundout(il, da, n, m)                  /* write spherical distribution */
struct illum_args  *il;
float  *da;
int  n, m;
{
        FILE  *dfp;
        int  i;

        average(il, da, n*m);
        if (il->flags & IL_COLDST) {
                printf("\n%s %s %s%s", VOIDID, ofun[PAT_CDATA].funame,
                                il->matname, DSTSUF);
                printf("\n9 red green blue");
                for (i = 0; i < 3; i++) {
                        dfp = dfopen(il, DATORD[i]);
                        fprintf(dfp, "2\n1 -1 %d\n0 %f %d\n", n, 2.*PI, m);
                        colorout(i, da, n*m, 1./il->nsamps/il->col[i], dfp);
                        fclose(dfp);
                        printf(" %s", dfname(il, DATORD[i]));
                }
        } else {
                printf("\n%s %s %s%s", VOIDID, ofun[PAT_BDATA].funame,
                                il->matname, DSTSUF);
                printf("\n5 noop");
                dfp = dfopen(il, 0);
                fprintf(dfp, "2\n1 -1 %d\n0 %f %d\n", n, 2.*PI, m);
                brightout(da, n*m, 1./il->nsamps/brt(il->col), dfp);
                fclose(dfp);
                printf(" %s", dfname(il, 0));
        }
        printf("\n\t%s il_alt il_azi", FNCFNM);
        printf("\n0\n0\n");
        il->dfnum++;
}


illumout(il, ob)                /* print illum object */
register struct illum_args  *il;
OBJREC  *ob;
{
        double  cout[3];

        printf("\n%s%s %s %s", il->matname, DSTSUF,
                        ofun[il->flags&IL_LIGHT?MAT_LIGHT:MAT_ILLUM].funame,
                        il->matname);
        if (il->flags & IL_LIGHT || !strcmp(il->altmat,VOIDID))
                printf("\n0");
        else
                printf("\n1 %s", il->altmat);
        if (il->flags & IL_COLAVG) {
                cout[0] = il->col[0];
                cout[1] = il->col[1];
                cout[2] = il->col[2];
        } else {
                cout[0] = cout[1] = cout[2] = brt(il->col);
        }
        if (il->flags & IL_LIGHT)
                printf("\n3 %f %f %f\n", cout[0], cout[1], cout[2]);
        else
                printf("\n4 %f %f %f 0\n", cout[0], cout[1], cout[2]);

        printobj(il->matname, ob);
}


average(il, da, n)              /* compute average value for distribution */
register struct illum_args  *il;
register float  *da;
int  n;
{
        register int  i;

        il->col[0] = il->col[1] = il->col[2] = 0.;
        i = n;
        while (i-- > 0) {
                il->col[0] += *da++;
                il->col[1] += *da++;
                il->col[2] += *da++;
        }
        for (i = 0; i < 3; i++)
                il->col[i] /= (double)n*il->nsamps;
}


colorout(p, da, n, mult, fp)    /* put out color distribution data */
int  p;
register float  *da;
int  n;
double  mult;
FILE  *fp;
{
        register int  i;

        for (i = 0; i < n; i++) {
                if (i%6 == 0)
                        putc('\n', fp);
                fprintf(fp, " %11e", mult*da[p]);
                da += 3;
        }
        putc('\n', fp);
}


brightout(da, n, mult, fp)      /* put out brightness distribution data */
register float  *da;
int  n;
double  mult;
FILE  *fp;
{
        register int  i;

        for (i = 0; i < n; i++) {
                if (i%6 == 0)
                        putc('\n', fp);
                fprintf(fp, " %11e", mult*brt(da));
                da += 3;
        }
        putc('\n', fp);
}
Revision:	1.2
Committed:	Thu Jul 25 10:59:09 1991 UTC (34 years, 3 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 1.1:	+29 -29 lines
Log Message:	visual debugging pass
#	User	Rev	Content
1	greg	1.1	/* Copyright (c) 1991 Regents of the University of California */
2
3			#ifndef lint
4			static char SCCSid[] = "$SunId$ LBL";
5			#endif
6
7			/*
8			* Routines to print mkillum objects
9			*/
10
11			#include "mkillum.h"
12
13			#define brt(col) (.295(col)[0] + .636(col)[1] + .070*(col)[2])
14
15			char DATORD[] = "RGB"; /* data ordering */
16			char DATSUF[] = ".dat"; /* data file suffix */
17			char DSTSUF[] = ".dist"; /* distribution suffix */
18			char FNCFNM[] = "illum.cal"; /* function file name */
19
20
21			printobj(mod, obj) /* print out an object */
22			char *mod;
23			register OBJREC *obj;
24			{
25			register int i;
26
27			printf("\n%s %s %s", mod, ofun[obj->otype].funame, obj->oname);
28			printf("\n%d", obj->oargs.nsargs);
29			for (i = 0; i < obj->oargs.nsargs; i++)
30			printf(" %s", obj->oargs.sarg[i]);
31			#ifdef IARGS
32			printf("\n%d", obj->oargs.niargs);
33			for (i = 0; i < obj->oargs.niargs; i++)
34			printf(" %d", obj->oargs.iarg[i]);
35			#else
36			printf("\n0");
37			#endif
38			printf("\n%d", obj->oargs.nfargs);
39			for (i = 0; i < obj->oargs.nfargs; i++) {
40			if (i%3 == 0)
41			putchar('\n');
42			printf(" %18.12g", obj->oargs.farg[i]);
43			}
44			putchar('\n');
45			}
46
47
48			char *
49			dfname(il, c) /* return data file name */
50			struct illum_args *il;
51			int c;
52			{
53			extern char getpath(), strcpy();
54			char fname[MAXSTR];
55			register char *s;
56
57			s = strcpy(fname, il->datafile);
58			s += strlen(s);
59			if (c) *s++ = c;
60			if (il->dfnum > 0) {
61			sprintf(s, "%d", il->dfnum);
62			s += strlen(s);
63			}
64			strcpy(s, DATSUF);
65			return(getpath(fname, NULL, 0));
66			}
67
68
69			FILE *
70			dfopen(il, c) /* open data file */
71			register struct illum_args *il;
72			int c;
73			{
74			char *fn;
75			FILE *fp;
76			/* get a usable file name */
77			for (fn = dfname(il, c);
78			!(il->flags & IL_DATCLB) && access(fn, F_OK) == 0;
79			fn = dfname(il, c))
80			il->dfnum++;
81			/* open it for writing */
82			if ((fp = fopen(fn, "w")) == NULL) {
83			sprintf(errmsg, "cannot open data file \"%s\"", fn);
84			error(SYSTEM, errmsg);
85			}
86			return(fp);
87			}
88
89
90			flatout(il, da, n, m, u, v, w) /* write hemispherical distribution */
91			struct illum_args *il;
92			float *da;
93			int n, m;
94			FVECT u, v, w;
95			{
96			FILE *dfp;
97			int i;
98
99			average(il, da, n*m);
100			if (il->flags & IL_COLDST) {
101			printf("\n%s %s %s%s", VOIDID, ofun[PAT_CDATA].funame,
102			il->matname, DSTSUF);
103			printf("\n9 red green blue");
104			for (i = 0; i < 3; i++) {
105			dfp = dfopen(il, DATORD[i]);
106			fprintf(dfp, "2\n1 0 %d\n0 %f %d\n", n, 2.*PI, m);
107			colorout(i, da, n*m, 1./il->nsamps/il->col[i], dfp);
108			fclose(dfp);
109			printf(" %s", dfname(il, DATORD[i]));
110			}
111			} else {
112			printf("\n%s %s %s%s", VOIDID, ofun[PAT_BDATA].funame,
113			il->matname, DSTSUF);
114			printf("\n5 noop");
115			dfp = dfopen(il, 0);
116			fprintf(dfp, "2\n1 0 %d\n0 %f %d\n", n, 2.*PI, m);
117			brightout(da, n*m, 1./il->nsamps/brt(il->col), dfp);
118			fclose(dfp);
119			printf(" %s", dfname(il, 0));
120			}
121			printf("\n\t%s il_alth il_azih", FNCFNM);
122			printf("\n0\n9\n");
123			printf("\t%f\t%f\t%f\n", u[0], u[1], u[2]);
124			printf("\t%f\t%f\t%f\n", v[0], v[1], v[2]);
125			printf("\t%f\t%f\t%f\n", w[0], w[1], w[2]);
126			il->dfnum++;
127			}
128
129
130			roundout(il, da, n, m) /* write spherical distribution */
131			struct illum_args *il;
132			float *da;
133			int n, m;
134			{
135			FILE *dfp;
136			int i;
137
138			average(il, da, n*m);
139			if (il->flags & IL_COLDST) {
140			printf("\n%s %s %s%s", VOIDID, ofun[PAT_CDATA].funame,
141			il->matname, DSTSUF);
142			printf("\n9 red green blue");
143			for (i = 0; i < 3; i++) {
144			dfp = dfopen(il, DATORD[i]);
145			fprintf(dfp, "2\n1 -1 %d\n0 %f %d\n", n, 2.*PI, m);
146			colorout(i, da, n*m, 1./il->nsamps/il->col[i], dfp);
147			fclose(dfp);
148			printf(" %s", dfname(il, DATORD[i]));
149			}
150			} else {
151			printf("\n%s %s %s%s", VOIDID, ofun[PAT_BDATA].funame,
152			il->matname, DSTSUF);
153			printf("\n5 noop");
154			dfp = dfopen(il, 0);
155			fprintf(dfp, "2\n1 -1 %d\n0 %f %d\n", n, 2.*PI, m);
156			brightout(da, n*m, 1./il->nsamps/brt(il->col), dfp);
157			fclose(dfp);
158			printf(" %s", dfname(il, 0));
159			}
160			printf("\n\t%s il_alt il_azi", FNCFNM);
161			printf("\n0\n0\n");
162			il->dfnum++;
163	greg	1.2	}
164
165
166			illumout(il, ob) /* print illum object */
167			register struct illum_args *il;
168			OBJREC *ob;
169			{
170			double cout[3];
171
172			printf("\n%s%s %s %s", il->matname, DSTSUF,
173			ofun[il->flags&IL_LIGHT?MAT_LIGHT:MAT_ILLUM].funame,
174			il->matname);
175			if (il->flags & IL_LIGHT \|\| !strcmp(il->altmat,VOIDID))
176			printf("\n0");
177			else
178			printf("\n1 %s", il->altmat);
179			if (il->flags & IL_COLAVG) {
180			cout[0] = il->col[0];
181			cout[1] = il->col[1];
182			cout[2] = il->col[2];
183			} else {
184			cout[0] = cout[1] = cout[2] = brt(il->col);
185			}
186			if (il->flags & IL_LIGHT)
187			printf("\n3 %f %f %f\n", cout[0], cout[1], cout[2]);
188			else
189			printf("\n4 %f %f %f 0\n", cout[0], cout[1], cout[2]);
190
191			printobj(il->matname, ob);
192	greg	1.1	}
193
194
195			average(il, da, n) /* compute average value for distribution */
196			register struct illum_args *il;
197			register float *da;
198			int n;
199			{
200			register int i;
201
202			il->col[0] = il->col[1] = il->col[2] = 0.;
203			i = n;
204			while (i-- > 0) {
205			il->col[0] += *da++;
206			il->col[1] += *da++;
207			il->col[2] += *da++;
208			}
209			for (i = 0; i < 3; i++)
210			il->col[i] /= (double)n*il->nsamps;
211			}
212
213
214			colorout(p, da, n, mult, fp) /* put out color distribution data */
215			int p;
216			register float *da;
217			int n;
218			double mult;
219			FILE *fp;
220			{
221			register int i;
222
223			for (i = 0; i < n; i++) {
224			if (i%6 == 0)
225			putc('\n', fp);
226			fprintf(fp, " %11e", mult*da[p]);
227			da += 3;
228			}
229			putc('\n', fp);
230			}
231
232
233			brightout(da, n, mult, fp) /* put out brightness distribution data */
234			register float *da;
235			int n;
236			double mult;
237			FILE *fp;
238			{
239			register int i;
240
241			for (i = 0; i < n; i++) {
242			if (i%6 == 0)
243			putc('\n', fp);
244			fprintf(fp, " %11e", mult*brt(da));
245			da += 3;
246			}
247			putc('\n', fp);
248			}