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/* Copyright (c) 1994 Regents of the University of California */ |
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/* Copyright (c) 1995 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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error(COMMAND, "missing angle"); |
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return; |
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} |
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if (getinterest(sskip(sskip(s)), 0, vc, &mag) < 0) |
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if (getinterest(sskip2(s,2), 0, vc, &mag) < 0) |
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return; |
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moveview(angle, elev, mag, vc); |
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} |
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extern int ambdiv; |
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extern int ambssamp; |
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extern int ambounce; |
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extern COLOR cextinction; |
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extern double salbedo; |
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extern double seccg; |
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extern double ssampdist; |
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extern int directvis; |
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extern double srcsizerat; |
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extern int do_irrad; |
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|
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if (s[0] == '\0') { |
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(*dev->comout)( |
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"aa ab ad ar as av b dc di dj ds dt i lr lw ps pt sj st bv: "); |
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"aa ab ad ar as av b dc dv dj ds dt i lr lw me ma mg ms ps pt sj st bv: "); |
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(*dev->comin)(buf, NULL); |
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s = buf; |
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} |
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getparam(s+2, "back face visibility", 'b', &backvis); |
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break; |
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case '\0': /* black and white */ |
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case ' ': |
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case 'y': case 'Y': case 't': case 'T': case '1': case '+': |
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case 'n': case 'N': case 'f': case 'F': case '0': case '-': |
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getparam(s+1, "black and white", 'b', &greyscale); |
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goto badparam; |
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} |
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break; |
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case 'm': /* medium */ |
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switch (s[1]) { |
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case 'e': /* extinction coefficient */ |
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getparam(s+2, "extinction coefficient", 'C', |
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(COLOR *)cextinction); |
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break; |
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case 'a': /* scattering albedo */ |
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getparam(s+2, "scattering albedo", 'r', &salbedo); |
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break; |
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case 'g': /* scattering eccentricity */ |
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getparam(s+2, "scattering eccentricity", 'r', &seccg); |
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break; |
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case 's': /* sampling distance */ |
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getparam(s+2, "mist sampling distance", 'r', |
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&ssampdist); |
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break; |
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default: |
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goto badparam; |
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} |
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break; |
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case 'p': /* pixel */ |
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switch (s[1]) { |
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case 's': /* sample */ |
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thisray.rmax = 0.0; |
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|
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if (!sscanvec(s, thisray.rorg) || |
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!sscanvec(sskip(sskip(sskip(s))), thisray.rdir)) { |
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!sscanvec(sskip2(s,3), thisray.rdir)) { |
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|
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if (dev->getcur == NULL) |
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return; |
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if (thisray.rot >= FHUGE) |
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(*dev->comout)("at infinity"); |
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else { |
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sprintf(buf, "at (%.6g %.6g %.6g)", thisray.rop[0], |
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thisray.rop[1], thisray.rop[2]); |
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sprintf(buf, "at (%.6g %.6g %.6g) (%.6g)", |
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thisray.rop[0], thisray.rop[1], |
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thisray.rop[2], thisray.rt); |
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(*dev->comout)(buf); |
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} |
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(*dev->comin)(buf, NULL); |
