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/* Copyright (c) 1991 Regents of the University of California */ |
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/* Copyright (c) 1992 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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int change = 0; |
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VIEW nv; |
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|
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while (isspace(*s)) |
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s++; |
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if (*s == '-') { /* command line parameters */ |
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copystruct(&nv, &ourview); |
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if (sscanview(&nv, s)) |
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newview(&nv); |
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else |
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error(COMMAND, "bad view option(s)"); |
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return; |
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} |
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if (sscanf(s, "%s", buf) == 1) { /* write parameters to a file */ |
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if ((fname = getpath(buf, NULL, 0)) == NULL || |
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(fp = fopen(fname, "a")) == NULL) { |
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getaim(s) /* aim camera */ |
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char *s; |
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{ |
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extern double tan(), atan(); |
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double zfact; |
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VIEW nv; |
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getrotate(s) /* rotate camera */ |
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char *s; |
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{ |
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extern double normalize(), tan(), atan(); |
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VIEW nv; |
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FVECT v1; |
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double angle, elev, zfact; |
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e *= atof(cp); |
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} |
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if (p != NULL) { /* relative setting */ |
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if (bright(p->v) <= FTINY) { |
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if (bright(p->v) < 1e-25) { |
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error(COMMAND, "cannot normalize to zero"); |
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return; |
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} |
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extern double shadcert; |
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extern COLOR ambval; |
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extern double ambacc; |
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extern double minarad; |
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extern int ambres; |
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extern int ambdiv; |
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extern int ambssamp; |
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case 'a': /* ambient */ |
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switch (s[1]) { |
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case 'v': /* value */ |
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getparam(s+2, "ambient value", 'C', ambval); |
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getparam(s+2, "ambient value", 'C', (COLOR *)ambval); |
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break; |
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case 'a': /* accuracy */ |
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getparam(s+2, "ambient accuracy", 'r', &ambacc); |
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break; |
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case 'r': |
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if (getparam(s+2, "ambient resolution", 'i', &ambres)) |
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minarad = ambres > 0 ? |
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thescene.cusize/ambres : 0.0; |
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setambres(ambres); |
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break; |
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default: |
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goto badparam; |