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/* Copyright (c) 1986 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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> |
static const char RCSid[] = "$Id$"; |
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#endif |
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|
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/* |
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* genbox.c - generate a parallelepiped. |
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* |
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* 1/8/86 |
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*/ |
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|
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< |
#include <stdio.h> |
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> |
#include "rtio.h" |
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> |
#include "rtmath.h" |
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> |
#include "objutil.h" |
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> |
#include "paths.h" |
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|
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< |
#include <math.h> |
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int verbose = 0; |
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|
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– |
|
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char let[]="0123456789._ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; |
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|
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< |
char *cmtype; /* ppd material type */ |
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> |
char *cmtype; /* ppd material type */ |
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|
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< |
char *cname; /* ppd name */ |
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> |
char *cname; /* ppd name */ |
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|
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< |
double size[3]; /* ppd size */ |
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> |
double size[3]; /* ppd size */ |
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|
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< |
double bevel = 0.0; /* bevel amount */ |
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> |
int rounde = 0; /* round edges? (#segments = 2^rounde) */ |
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|
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< |
int round = 0; /* boolean true for round edges */ |
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> |
double bevel = 0.0; /* bevel amount or round edge radius */ |
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|
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< |
int reverse = 0; /* boolean true for reversed normals */ |
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> |
int rev = 0; /* boolean true for reversed normals */ |
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|
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+ |
Scene *obj = NULL; /* save as .OBJ scene if not NULL */ |
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|
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< |
main(argc, argv) |
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< |
int argc; |
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< |
char **argv; |
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> |
int vid[0100]; /* vertex ID's for .OBJ scene */ |
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> |
|
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> |
|
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> |
static int |
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> |
overtex(int v) /* index a .OBJ vertex */ |
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{ |
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+ |
double vpos[3]; |
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+ |
int i; |
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|
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+ |
if (vid[v] >= 0) /* already have this vertex? */ |
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+ |
return(vid[v]); |
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/* else create new ID */ |
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+ |
for (i = 0; i < 3; i++) |
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+ |
if (v>>i & 010) |
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vpos[i] = (v>>i & 01)^rev ? size[i]-bevel : bevel; |
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else |
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vpos[i] = (v>>i & 01)^rev ? size[i] : 0.0; |
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|
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return(vid[v] = addVertex(obj, vpos[0], vpos[1], vpos[2])); |
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} |
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|
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|
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static int |
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onormal(int vid1, int vid2, int vid3) /* index a .OBJ normal */ |
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{ |
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double *p1 = obj->vert[vid1].p; |
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+ |
double *p2 = obj->vert[vid2].p; |
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+ |
double *p3 = obj->vert[vid3].p; |
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FVECT sv1, sv2, nrm; |
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|
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+ |
VSUB(sv1, p2, p1); |
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VSUB(sv2, p3, p2); |
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VCROSS(nrm, sv1, sv2); |
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|
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return(addNormal(obj, nrm[0], nrm[1], nrm[2])); |
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} |
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|
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|
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static void |
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vertex(int v) /* print a Radiance vertex */ |
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{ |
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int i; |
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|
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|
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for (i = 0; i < 3; i++) { |
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if (v & 010) |
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printf("\t%18.12g", (v&01)^rev ? size[i]-bevel : bevel); |
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else |
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printf("\t%18.12g", (v&01)^rev ? size[i] : 0.0); |
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v >>= 1; |
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} |
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fputc('\n', stdout); |
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} |
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|
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|
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static void |
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side(int a, int b, int c, int d) /* generate a rectangular face */ |
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{ |
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if (obj != NULL) { /* working on .OBJ? */ |
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VNDX quadv[4]; |
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memset(quadv, 0xff, sizeof(quadv)); |
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quadv[0][0] = overtex(a); |
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> |
quadv[1][0] = overtex(b); |
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> |
quadv[2][0] = overtex(c); |
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> |
quadv[3][0] = overtex(d); |
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if (rounde) /* add normal if rounded */ |
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> |
quadv[0][2] = quadv[1][2] = quadv[2][2] = quadv[3][2] |
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= onormal(quadv[0][0], quadv[1][0], quadv[2][0]); |
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> |
addFace(obj, quadv, 4); |
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return; |
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> |
} |
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> |
/* Radiance output */ |
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> |
printf("\n%s polygon %s.%c%c%c%c\n", cmtype, cname, |
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> |
let[a], let[b], let[c], let[d]); |
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printf("0\n0\n12\n"); |
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vertex(a); |
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vertex(b); |
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> |
vertex(c); |
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vertex(d); |
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} |
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> |
|
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> |
|
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> |
static void |
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> |
corner(int a, int b, int c) /* generate a triangular face */ |
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> |
{ |
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> |
if (obj != NULL) { /* working on .OBJ? */ |
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> |
VNDX triv[3]; |
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> |
memset(triv, 0xff, sizeof(triv)); |
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> |
triv[0][0] = overtex(a); |
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> |
triv[1][0] = overtex(b); |
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> |
triv[2][0] = overtex(c); |
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> |
addFace(obj, triv, 3); |
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> |
return; |
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> |
} |
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> |
/* Radiance output */ |
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> |
printf("\n%s polygon %s.%c%c%c\n", cmtype, cname, |
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> |
let[a], let[b], let[c]); |
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> |
printf("0\n0\n9\n"); |
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> |
vertex(a); |
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> |
vertex(b); |
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> |
vertex(c); |
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> |
} |
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> |
|
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> |
|
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> |
static void |
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> |
cylinder(int v0, int v1) /* generate a rounded edge */ |
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> |
{ |
| 139 |
> |
if (obj != NULL) { /* segmenting for .OBJ? */ |
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> |
const int nsgn = 1 - 2*rev; |
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> |
const int nseg = 1<<rounde; |
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> |
const double astep = 0.5*PI/(double)nseg; |
| 143 |
> |
const int vid0 = overtex(v0); |
| 144 |
> |
const int vid1 = overtex(v1); |
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> |
FVECT p0, p1; |
| 146 |
> |
FVECT axis[2], voff; |
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> |
int previd[2]; |
| 148 |
> |
int prenid; |
| 149 |
> |
VNDX quadv[4]; |
| 150 |
> |
double coef[2]; |
| 151 |
> |
int i, j; |
| 152 |
> |
/* need to copy b/c realloc */ |
| 153 |
> |
VCOPY(p0, obj->vert[vid0].p); |
| 154 |
> |
VCOPY(p1, obj->vert[vid1].p); |
| 155 |
> |
|
| 156 |
> |
memset(axis, 0, sizeof(axis)); |
| 157 |
> |
|
| 158 |
> |
switch ((v0 ^ v1) & 07) { |
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> |
case 01: /* edge along X-axis */ |
| 160 |
> |
axis[1][1] = bevel*(1. - 2.*(p1[1] < .5*size[1])); |
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> |
axis[0][2] = bevel*(1. - 2.*(p1[2] < .5*size[2])); |
| 162 |
> |
break; |
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> |
case 02: /* edge along Y-axis */ |
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> |
axis[0][0] = bevel*(1. - 2.*(p1[0] < .5*size[0])); |
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> |
axis[1][2] = bevel*(1. - 2.*(p1[2] < .5*size[2])); |
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> |
break; |
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> |
case 04: /* edge along Z-axis */ |
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> |
axis[0][1] = bevel*(1. - 2.*(p1[1] < .5*size[1])); |
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> |
axis[1][0] = bevel*(1. - 2.*(p1[0] < .5*size[0])); |
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> |
break; |
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> |
} |
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> |
previd[0] = addVertex(obj, p0[0]+axis[0][0], |
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> |
p0[1]+axis[0][1], p0[2]+axis[0][2]); |
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> |
previd[1] = addVertex(obj, p1[0]+axis[0][0], |
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> |
p1[1]+axis[0][1], p1[2]+axis[0][2]); |
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> |
prenid = addNormal(obj, axis[0][0]*nsgn, |
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> |
axis[0][1]*nsgn, axis[0][2]*nsgn); |
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> |
for (i = 1; i <= nseg; i++) { |
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> |
memset(quadv, 0xff, sizeof(quadv)); |
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> |
quadv[0][0] = previd[0]; |
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> |
quadv[1][0] = previd[1]; |
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> |
quadv[0][2] = quadv[1][2] = prenid; |
| 183 |
> |
coef[0] = cos(astep*i); |
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> |
coef[1] = sin(astep*i); |
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> |
for (j = 0; j < 3; j++) |
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> |
voff[j] = coef[0]*axis[0][j] + coef[1]*axis[1][j]; |
| 187 |
> |
previd[0] = quadv[3][0] |
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> |
= addVertex(obj, p0[0]+voff[0], |
| 189 |
> |
p0[1]+voff[1], p0[2]+voff[2]); |
| 190 |
> |
previd[1] = quadv[2][0] |
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> |
= addVertex(obj, p1[0]+voff[0], |
| 192 |
> |
p1[1]+voff[1], p1[2]+voff[2]); |
| 193 |
> |
prenid = quadv[2][2] = quadv[3][2] |
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> |
= addNormal(obj, voff[0]*nsgn, |
| 195 |
> |
voff[1]*nsgn, voff[2]*nsgn); |
| 196 |
> |
addFace(obj, quadv, 4); |
| 197 |
> |
} |
| 198 |
> |
return; |
| 199 |
> |
} |
| 200 |
> |
/* Radiance output */ |
| 201 |
> |
printf("\n%s cylinder %s.%c%c\n", cmtype, cname, let[v0], let[v1]); |
| 202 |
> |
printf("0\n0\n7\n"); |
| 203 |
> |
vertex(v0); |
| 204 |
> |
vertex(v1); |
| 205 |
> |
printf("\t%18.12g\n", bevel); |
| 206 |
> |
} |
| 207 |
> |
|
| 208 |
> |
|
| 209 |
> |
static void /* recursive corner subdivision */ |
| 210 |
> |
osubcorner(const FVECT orig, const FVECT c0, const FVECT c1, const FVECT c2, int lvl) |
| 211 |
> |
{ |
| 212 |
> |
if (lvl-- <= 0) { /* reached terminal depth? */ |
| 213 |
> |
const int nsgn = 1 - 2*rev; |
| 214 |
> |
FVECT vpos; |
| 215 |
> |
VNDX triv[3]; /* output smoothed triangle */ |
| 216 |
> |
VSUM(vpos, orig, c0, bevel); |
| 217 |
> |
triv[0][0] = addVertex(obj, vpos[0], vpos[1], vpos[2]); |
| 218 |
> |
triv[0][2] = addNormal(obj, c0[0]*nsgn, c0[1]*nsgn, c0[2]*nsgn); |
| 219 |
> |
VSUM(vpos, orig, c1, bevel); |
| 220 |
> |
triv[1][0] = addVertex(obj, vpos[0], vpos[1], vpos[2]); |
| 221 |
> |
triv[1][2] = addNormal(obj, c1[0]*nsgn, c1[1]*nsgn, c1[2]*nsgn); |
| 222 |
> |
VSUM(vpos, orig, c2, bevel); |
| 223 |
> |
triv[2][0] = addVertex(obj, vpos[0], vpos[1], vpos[2]); |
| 224 |
> |
triv[2][2] = addNormal(obj, c2[0]*nsgn, c2[1]*nsgn, c2[2]*nsgn); |
| 225 |
> |
triv[0][1] = triv[1][1] = triv[2][1] = -1; |
| 226 |
> |
addFace(obj, triv, 3); |
| 227 |
> |
} else { /* else subdivide 4 subcorners */ |
| 228 |
> |
FVECT m01, m12, m20; |
| 229 |
> |
VADD(m01, c0, c1); normalize(m01); |
| 230 |
> |
VADD(m12, c1, c2); normalize(m12); |
| 231 |
> |
VADD(m20, c2, c0); normalize(m20); |
| 232 |
> |
osubcorner(orig, c0, m01, m20, lvl); |
| 233 |
> |
osubcorner(orig, c1, m12, m01, lvl); |
| 234 |
> |
osubcorner(orig, c2, m20, m12, lvl); |
| 235 |
> |
osubcorner(orig, m01, m12, m20, lvl); |
| 236 |
> |
} |
| 237 |
> |
} |
| 238 |
> |
|
| 239 |
> |
|
| 240 |
> |
static void |
| 241 |
> |
sphere(int v0) /* generate a rounded corner */ |
| 242 |
> |
{ |
| 243 |
> |
if (obj != NULL) { /* segmenting for .OBJ? */ |
| 244 |
> |
FVECT orig, cdir[3]; |
| 245 |
> |
int i; |
| 246 |
> |
memset(cdir, 0, sizeof(cdir)); |
| 247 |
> |
for (i = 0; i < 3; i++) |
| 248 |
> |
cdir[i][i] = 2*((v0>>i & 01)^rev) - 1; |
| 249 |
> |
switch (v0 & 07) { |
| 250 |
> |
case 0: |
| 251 |
> |
case 3: |
| 252 |
> |
case 5: |
| 253 |
> |
case 6: |
| 254 |
> |
VCOPY(orig, cdir[0]); |
| 255 |
> |
VCOPY(cdir[0], cdir[1]); |
| 256 |
> |
VCOPY(cdir[1], orig); |
| 257 |
> |
} |
| 258 |
> |
i = overtex(v0); |
| 259 |
> |
VCOPY(orig, obj->vert[i].p); /* realloc remedy */ |
| 260 |
> |
osubcorner(orig, cdir[0], cdir[1], cdir[2], rounde); |
| 261 |
> |
return; |
| 262 |
> |
} |
| 263 |
> |
/* Radiance output */ |
| 264 |
> |
printf("\n%s sphere %s.%c\n", cmtype, cname, let[v0]); |
| 265 |
> |
printf("0\n0\n4\n"); |
| 266 |
> |
vertex(v0); |
| 267 |
> |
printf("\t%18.12g\n", bevel); |
| 268 |
> |
} |
| 269 |
> |
|
| 270 |
> |
|
| 271 |
> |
int |
| 272 |
> |
main(int argc, char *argv[]) |
| 273 |
> |
{ |
| 274 |
> |
int smooth = 0; |
| 275 |
> |
int nsegs = 1; |
| 276 |
> |
int objout = 0; |
| 277 |
> |
int i; |
| 278 |
> |
|
| 279 |
|
if (argc < 6) |
| 280 |
|
goto userr; |
| 281 |
|
|
| 284 |
|
size[0] = atof(argv[3]); |
| 285 |
|
size[1] = atof(argv[4]); |
| 286 |
|
size[2] = atof(argv[5]); |
| 287 |
+ |
if ((size[0] <= 0.0) | (size[1] <= 0.0) | (size[2] <= 0.0)) |
| 288 |
+ |
goto userr; |
| 289 |
|
|
| 290 |
|
for (i = 6; i < argc; i++) { |
| 291 |
|
if (argv[i][0] != '-') |
| 292 |
|
goto userr; |
| 293 |
|
switch (argv[i][1]) { |
| 294 |
< |
case 'r': |
| 295 |
< |
round = 1; |
| 294 |
> |
case 'o': /* requesting .OBJ output */ |
| 295 |
> |
objout = 1; |
| 296 |
> |
break; |
| 297 |
> |
case 'i': /* invert surface normals */ |
| 298 |
> |
rev = 1; |
| 299 |
> |
break; |
| 300 |
> |
case 's': /* normal smoothing? */ |
| 301 |
> |
smooth = 1; |
| 302 |
> |
break; |
| 303 |
> |
case 'r': /* rounded edges/corners */ |
| 304 |
> |
rounde = 1; |
| 305 |
|
/* fall through */ |
| 306 |
< |
case 'b': |
| 306 |
> |
case 'b': /* beveled edges */ |
| 307 |
|
bevel = atof(argv[++i]); |
| 308 |
+ |
if (bevel <= 0.0) |
| 309 |
+ |
goto userr; |
| 310 |
|
break; |
| 311 |
< |
case 'i': |
| 312 |
< |
reverse = 1; |
| 311 |
> |
case 'n': /* #segments for rounding */ |
| 312 |
> |
nsegs = atoi(argv[++i]); |
| 313 |
> |
if (nsegs <= 0) |
| 314 |
> |
goto userr; |
| 315 |
|
break; |
| 316 |
|
default: |
| 317 |
|
goto userr; |
| 318 |
|
} |
| 319 |
|
} |
| 320 |
+ |
if ((objout|rev) & (nsegs==1)) /* default to 32 segments/edge */ |
| 321 |
+ |
nsegs = 32; |
| 322 |
+ |
if (rounde) { /* rounding edges/corners? */ |
| 323 |
+ |
--nsegs; |
| 324 |
+ |
while ((nsegs >>= 1)) /* segmentation requested? */ |
| 325 |
+ |
++rounde; |
| 326 |
+ |
} |
| 327 |
+ |
if (rounde > 1 || objout) { /* save as .OBJ scene? */ |
| 328 |
+ |
obj = newScene(); |
| 329 |
+ |
setMaterial(obj, cmtype); |
| 330 |
+ |
setGroup(obj, cname); |
| 331 |
+ |
memset(vid, 0xff, sizeof(vid)); |
| 332 |
+ |
} |
| 333 |
+ |
fputs("# ", stdout); /* write command as comment */ |
| 334 |
+ |
printargs(argc, argv, stdout); |
| 335 |
|
|
| 336 |
< |
printhead(argc, argv); |
| 67 |
< |
|
| 68 |
< |
if (bevel > 0.0) { |
| 69 |
< |
/* minor faces */ |
| 336 |
> |
if (bevel > 0.0) { /* minor faces */ |
| 337 |
|
side(051, 055, 054, 050); |
| 338 |
|
side(064, 066, 062, 060); |
| 339 |
|
side(032, 033, 031, 030); |
| 341 |
|
side(065, 061, 063, 067); |
| 342 |
|
side(036, 034, 035, 037); |
| 343 |
|
} |
| 344 |
< |
if (bevel > 0.0 && !round) { |
| 78 |
< |
/* bevel faces */ |
| 344 |
> |
if (bevel > 0.0 && !rounde) { /* bevel faces */ |
| 345 |
|
side(031, 051, 050, 030); |
| 346 |
|
side(060, 062, 032, 030); |
| 347 |
|
side(050, 054, 064, 060); |
| 354 |
|
side(065, 067, 037, 035); |
| 355 |
|
side(055, 051, 061, 065); |
| 356 |
|
side(034, 054, 055, 035); |
| 357 |
< |
/* bevel corners */ |
| 357 |
> |
/* bevel corners */ |
| 358 |
|
corner(030, 050, 060); |
| 359 |
|
corner(051, 031, 061); |
| 360 |
|
corner(032, 062, 052); |
| 364 |
|
corner(053, 063, 033); |
| 365 |
|
corner(037, 067, 057); |
| 366 |
|
} |
| 367 |
< |
if (bevel > 0.0 && round) { |
| 102 |
< |
/* round edges */ |
| 367 |
> |
if (bevel > 0.0 && rounde) { /* round edges */ |
| 368 |
|
cylinder(070, 071); |
| 369 |
|
cylinder(070, 074); |
| 370 |
|
cylinder(070, 072); |
| 377 |
|
cylinder(076, 072); |
| 378 |
|
cylinder(076, 074); |
| 379 |
|
cylinder(076, 077); |
| 380 |
< |
/* round corners */ |
| 380 |
> |
/* round corners */ |
| 381 |
|
sphere(070); |
| 382 |
|
sphere(071); |
| 383 |
|
sphere(072); |
| 387 |
|
sphere(076); |
| 388 |
|
sphere(077); |
| 389 |
|
} |
| 390 |
< |
if (bevel == 0.0 ) { |
| 126 |
< |
/* only need major faces */ |
| 390 |
> |
if (bevel == 0.0) { /* only need major faces */ |
| 391 |
|
side(1, 5, 4, 0); |
| 392 |
|
side(4, 6, 2, 0); |
| 393 |
|
side(2, 3, 1, 0); |
| 395 |
|
side(5, 1, 3, 7); |
| 396 |
|
side(6, 4, 5, 7); |
| 397 |
|
} |
| 398 |
< |
exit(0); |
| 398 |
> |
if (obj != NULL) { /* need to write output? */ |
| 399 |
> |
if (!smooth) |
| 400 |
> |
removeNormals(obj, 0, 0); |
| 401 |
> |
if (objout) { |
| 402 |
> |
if (rounde) /* joins corners to edges */ |
| 403 |
> |
coalesceVertices(obj, 2.*FTINY); |
| 404 |
> |
if (toOBJ(obj, stdout) <= 0) |
| 405 |
> |
return(1); |
| 406 |
> |
} else if (toRadiance(obj, stdout, 0, 0) <= 0) |
| 407 |
> |
return(1); |
| 408 |
> |
/* freeScene(obj); we're exiting, anyway... */ |
| 409 |
> |
} |
| 410 |
> |
return(0); |
| 411 |
|
userr: |
| 412 |
|
fprintf(stderr, "Usage: %s ", argv[0]); |
| 413 |
|
fprintf(stderr, "material name xsize ysize zsize "); |
| 414 |
< |
fprintf(stderr, "[-i] [-b bevel | -r round]\n"); |
| 415 |
< |
exit(1); |
| 140 |
< |
} |
| 141 |
< |
|
| 142 |
< |
|
| 143 |
< |
side(a, b, c, d) /* generate a rectangular face */ |
| 144 |
< |
int a, b, c, d; |
| 145 |
< |
{ |
| 146 |
< |
printf("\n%s polygon %s.%c%c%c%c\n", cmtype, cname, |
| 147 |
< |
let[a], let[b], let[c], let[d]); |
| 148 |
< |
printf("0\n0\n12\n"); |
| 149 |
< |
if (reverse) { |
| 150 |
< |
vertex(d); |
| 151 |
< |
vertex(c); |
| 152 |
< |
vertex(b); |
| 153 |
< |
vertex(a); |
| 154 |
< |
} else { |
| 155 |
< |
vertex(a); |
| 156 |
< |
vertex(b); |
| 157 |
< |
vertex(c); |
| 158 |
< |
vertex(d); |
| 159 |
< |
} |
| 160 |
< |
} |
| 161 |
< |
|
| 162 |
< |
|
| 163 |
< |
corner(a, b, c) /* generate a triangular face */ |
| 164 |
< |
int a, b, c; |
| 165 |
< |
{ |
| 166 |
< |
printf("\n%s polygon %s.%c%c%c\n", cmtype, cname, |
| 167 |
< |
let[a], let[b], let[c]); |
| 168 |
< |
printf("0\n0\n9\n"); |
| 169 |
< |
if (reverse) { |
| 170 |
< |
vertex(c); |
| 171 |
< |
vertex(b); |
| 172 |
< |
vertex(a); |
| 173 |
< |
} else { |
| 174 |
< |
vertex(a); |
| 175 |
< |
vertex(b); |
| 176 |
< |
vertex(c); |
| 177 |
< |
} |
| 178 |
< |
} |
| 179 |
< |
|
| 180 |
< |
|
| 181 |
< |
cylinder(v0, v1) /* generate a cylinder */ |
| 182 |
< |
int v0, v1; |
| 183 |
< |
{ |
| 184 |
< |
printf("\n%s cylinder %s.%c%c\n", cmtype, cname, v0+'0', v1+'0'); |
| 185 |
< |
printf("0\n0\n7\n"); |
| 186 |
< |
vertex(v0); |
| 187 |
< |
vertex(v1); |
| 188 |
< |
printf("\t%18.12g\n", bevel); |
| 189 |
< |
} |
| 190 |
< |
|
| 191 |
< |
|
| 192 |
< |
sphere(v0) /* generate a sphere */ |
| 193 |
< |
int v0; |
| 194 |
< |
{ |
| 195 |
< |
printf("\n%s sphere %s.%c\n", cmtype, cname, v0+'0'); |
| 196 |
< |
printf("0\n0\n4\n"); |
| 197 |
< |
vertex(v0); |
| 198 |
< |
printf("\t%18.12g\n", bevel); |
| 199 |
< |
} |
| 200 |
< |
|
| 201 |
< |
|
| 202 |
< |
vertex(v) |
| 203 |
< |
register int v; |
| 204 |
< |
{ |
| 205 |
< |
register int i; |
| 206 |
< |
|
| 207 |
< |
for (i = 0; i < 3; i++) { |
| 208 |
< |
if (v & 010) |
| 209 |
< |
printf("\t%18.12g", v & 01 ? size[i]-bevel : bevel); |
| 210 |
< |
else |
| 211 |
< |
printf("\t%18.12g", v & 01 ? size[i] : 0.0); |
| 212 |
< |
v >>= 1; |
| 213 |
< |
} |
| 214 |
< |
printf("\n"); |
| 215 |
< |
} |
| 216 |
< |
|
| 217 |
< |
|
| 218 |
< |
printhead(ac, av) /* print command header */ |
| 219 |
< |
register int ac; |
| 220 |
< |
register char **av; |
| 221 |
< |
{ |
| 222 |
< |
putchar('#'); |
| 223 |
< |
while (ac--) { |
| 224 |
< |
putchar(' '); |
| 225 |
< |
fputs(*av++, stdout); |
| 226 |
< |
} |
| 227 |
< |
putchar('\n'); |
| 414 |
> |
fprintf(stderr, "[-i] [-b bevel | -r round [-n nsegs][-s]] [-o]\n"); |
| 415 |
> |
return(1); |
| 416 |
|
} |
