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/* Copyright (c) 1993 Regents of the University of California */ |
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/* Copyright (c) 1994 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
| 140 |
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else { |
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nv.horiz = ourview.horiz; nv.vert = ourview.vert; |
| 142 |
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} |
| 143 |
+ |
sprintf(buf, "fore and aft clipping plane (%.6g %.6g): ", |
| 144 |
+ |
ourview.vfore, ourview.vaft); |
| 145 |
+ |
(*dev->comout)(buf); |
| 146 |
+ |
(*dev->comin)(buf, NULL); |
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if (buf[0] == CTRL('C')) return; |
| 148 |
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if (sscanf(buf, "%lf %lf", &nv.vfore, &nv.vaft) == 2) |
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+ |
change++; |
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else { |
| 151 |
+ |
nv.vfore = ourview.vfore; nv.vaft = ourview.vaft; |
| 152 |
+ |
} |
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sprintf(buf, "view shift and lift (%.6g %.6g): ", |
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ourview.hoff, ourview.voff); |
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(*dev->comout)(buf); |
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register PNODE *p = &ptrunk; |
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int adapt = 0; |
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double e = 1.0; |
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< |
start: |
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> |
|
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for (cp = s; isspace(*cp); cp++) |
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; |
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if (*cp == '@') { |
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adapt++; |
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< |
goto start; |
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> |
while (isspace(*++cp)) |
| 369 |
> |
; |
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} |
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if (*cp == '\0') { /* normalize to point */ |
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if (dev->getcur == NULL) |
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extern int do_irrad; |
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extern double specjitter; |
| 502 |
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extern double specthresh; |
| 503 |
+ |
extern int backvis; |
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char buf[128]; |
| 505 |
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|
| 506 |
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if (s[0] == '\0') { |
| 507 |
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(*dev->comout)( |
| 508 |
< |
"aa ab ad ar as av b dc di dj ds dt i lr lw ps pt sj st: "); |
| 508 |
> |
"aa ab ad ar as av b dc di dj ds dt i lr lw ps pt sj st bv: "); |
| 509 |
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(*dev->comin)(buf, NULL); |
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s = buf; |
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} |
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goto badparam; |
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} |
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break; |
| 547 |
< |
case 'b': /* black and white */ |
| 548 |
< |
getparam(s+1, "black and white", 'b', &greyscale); |
| 547 |
> |
case 'b': /* back faces or black and white */ |
| 548 |
> |
switch (s[1]) { |
| 549 |
> |
case 'v': /* back face visibility */ |
| 550 |
> |
getparam(s+2, "back face visibility", 'b', &backvis); |
| 551 |
> |
break; |
| 552 |
> |
case '\0': /* black and white */ |
| 553 |
> |
case 'y': case 'Y': case 't': case 'T': case '1': case '+': |
| 554 |
> |
case 'n': case 'N': case 'f': case 'F': case '0': case '-': |
| 555 |
> |
getparam(s+1, "black and white", 'b', &greyscale); |
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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 'i': /* irradiance */ |
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getparam(s+1, "irradiance", 'b', &do_irrad); |
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int x, y; |
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RAY thisray; |
| 634 |
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|
| 635 |
+ |
thisray.rmax = 0.0; |
| 636 |
+ |
|
| 637 |
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if (!sscanvec(s, thisray.rorg) || |
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!sscanvec(sskip(sskip(sskip(s))), thisray.rdir)) { |
| 639 |
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|
| 643 |
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if ((*dev->getcur)(&x, &y) == ABORT) |
| 644 |
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return; |
| 645 |
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|
| 646 |
< |
if (viewray(thisray.rorg, thisray.rdir, &ourview, |
| 647 |
< |
(x+.5)/hresolu, (y+.5)/vresolu) < 0) { |
| 646 |
> |
if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, |
| 647 |
> |
&ourview, (x+.5)/hresolu, (y+.5)/vresolu)) < -FTINY) { |
| 648 |
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error(COMMAND, "not on image"); |
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return; |
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} |
