int
main(int argc, const char *argv[]) {
const char *me;
char *err, *inS, *outS;
limnCamera *cam;
float bg[3], winscale, edgeWidth[5], creaseAngle;
hestOpt *hopt=NULL;
airArray *mop;
limnObject *obj;
limnLook *look; unsigned int lookIdx;
limnWindow *win;
Nrrd *nmap;
FILE *file;
int wire, concave, describe, reverse, nobg;
mop = airMopNew();
cam = limnCameraNew();
airMopAdd(mop, cam, (airMopper)limnCameraNix, airMopAlways);
me = argv[0];
hestOptAdd(&hopt, "i", "input OFF", airTypeString, 1, 1, &inS, NULL,
"input OFF file");
hestOptAdd(&hopt, "fr", "from point", airTypeDouble, 3, 3, cam->from,"4 4 4",
"position of camera, used to determine view vector");
hestOptAdd(&hopt, "at", "at point", airTypeDouble, 3, 3, cam->at, "0 0 0",
"camera look-at point, used to determine view vector");
hestOptAdd(&hopt, "up", "up vector", airTypeDouble, 3, 3, cam->up, "0 0 1",
"camera pseudo-up vector, used to determine view coordinates");
hestOptAdd(&hopt, "rh", NULL, airTypeInt, 0, 0, &(cam->rightHanded), NULL,
"use a right-handed UVN frame (V points down)");
hestOptAdd(&hopt, "or", NULL, airTypeInt, 0, 0, &(cam->orthographic), NULL,
"use orthogonal projection");
hestOptAdd(&hopt, "ur", "uMin uMax", airTypeDouble, 2, 2, cam->uRange,
"-1 1", "range in U direction of image plane");
hestOptAdd(&hopt, "vr", "vMin vMax", airTypeDouble, 2, 2, cam->vRange,
"-1 1", "range in V direction of image plane");
hestOptAdd(&hopt, "e", "envmap", airTypeOther, 1, 1, &nmap, "",
"16octa-based environment map",
NULL, NULL, nrrdHestNrrd);
hestOptAdd(&hopt, "ws", "winscale", airTypeFloat, 1, 1, &winscale,
"200", "world to points (PostScript) scaling");
hestOptAdd(&hopt, "wire", NULL, airTypeInt, 0, 0, &wire, NULL,
"just do wire-frame rendering");
hestOptAdd(&hopt, "concave", NULL, airTypeInt, 0, 0, &concave, NULL,
"use slightly buggy rendering method suitable for "
"concave or self-occluding objects");
hestOptAdd(&hopt, "reverse", NULL, airTypeInt, 0, 0, &reverse, NULL,
"reverse ordering of vertices per face (needed if they "
"specified in clockwise order)");
hestOptAdd(&hopt, "describe", NULL, airTypeInt, 0, 0, &describe, NULL,
"for debugging: list object definition of OFF read");
hestOptAdd(&hopt, "bg", "background", airTypeFloat, 3, 3, bg, "1 1 1",
"background RGB color; each component in range [0.0,1.0]");
hestOptAdd(&hopt, "nobg", NULL, airTypeInt, 0, 0, &nobg, NULL,
"don't initially fill with background color");
hestOptAdd(&hopt, "wd", "5 widths", airTypeFloat, 5, 5, edgeWidth,
"0.0 0.0 3.0 2.0 0.0",
"width of edges drawn for five kinds of "
"edges: back non-crease, back crease, "
"silohuette, front crease, front non-crease");
hestOptAdd(&hopt, "ca", "angle", airTypeFloat, 1, 1, &creaseAngle, "30",
"dihedral angles greater than this are creases");
hestOptAdd(&hopt, "o", "output PS", airTypeString, 1, 1, &outS, "out.ps",
"output file to render postscript into");
hestParseOrDie(hopt, argc-1, argv+1, NULL,
me, info, AIR_TRUE, AIR_TRUE, AIR_TRUE);
airMopAdd(mop, hopt, (airMopper)hestOptFree, airMopAlways);
airMopAdd(mop, hopt, (airMopper)hestParseFree, airMopAlways);
cam->neer = -0.000000001;
cam->dist = 0;
cam->faar = 0.0000000001;
cam->atRelative = AIR_TRUE;
if (limnCameraUpdate(cam)) {
fprintf(stderr, "%s: trouble:\n%s\n", me, err = biffGet(LIMN));
free(err);
return 1;
}
obj = limnObjectNew(10, AIR_TRUE);
airMopAdd(mop, obj, (airMopper)limnObjectNix, airMopAlways);
if (!(file = airFopen(inS, stdin, "r"))) {
fprintf(stderr, "%s: couldn't open \"%s\" for reading\n", me, inS);
airMopError(mop); return 1;
}
airMopAdd(mop, file, (airMopper)airFclose, airMopAlways);
if (limnObjectReadOFF(obj, file)) {
airMopAdd(mop, err = biffGetDone(LIMN), airFree, airMopAlways);
fprintf(stderr, "%s: trouble:\n%s\n", me, err);
airMopError(mop); return 1;
}
if (describe) {
fprintf(stdout, "----------------- POST-READ -----------------\n");
limnObjectDescribe(stdout, obj);
fprintf(stdout, "----------------- POST-READ -----------------\n");
}
if (reverse) {
if (limnObjectFaceReverse(obj)) {
airMopAdd(mop, err = biffGetDone(LIMN), airFree, airMopAlways);
fprintf(stderr, "%s: trouble:\n%s\n", me, err);
airMopError(mop); return 1;
}
}
if (describe) {
fprintf(stdout, "----------------- POST-REVERSE -----------------\n");
limnObjectDescribe(stdout, obj);
fprintf(stdout, "----------------- POST-REVERSE -----------------\n");
}
win = limnWindowNew(limnDevicePS);
win->ps.lineWidth[limnEdgeTypeBackFacet] = edgeWidth[0];
win->ps.lineWidth[limnEdgeTypeBackCrease] = edgeWidth[1];
win->ps.lineWidth[limnEdgeTypeContour] = edgeWidth[2];
win->ps.lineWidth[limnEdgeTypeFrontCrease] = edgeWidth[3];
win->ps.lineWidth[limnEdgeTypeFrontFacet] = edgeWidth[4];
win->ps.wireFrame = wire;
win->ps.creaseAngle = creaseAngle;
win->ps.noBackground = nobg;
ELL_3V_COPY(win->ps.bg, bg);
win->file = airFopen(outS, stdout, "w");
airMopAdd(mop, win, (airMopper)limnWindowNix, airMopAlways);
win->scale = winscale;
for (lookIdx=0; lookIdx<obj->lookNum; lookIdx++) {
look = obj->look + lookIdx;
/* earlier version of limn/test/soid used (0.2,0.8,0.0), I think.
Now we assume that any useful shading is happening in the emap */
ELL_3V_SET(look->kads, 0.2, 0.8, 0);
}
if (limnObjectRender(obj, cam, win)
|| (concave
? limnObjectPSDrawConcave(obj, cam, nmap, win)
: limnObjectPSDraw(obj, cam, nmap, win))) {
airMopAdd(mop, err = biffGetDone(LIMN), airFree, airMopAlways);
fprintf(stderr, "%s: trouble:\n%s\n", me, err);
airMopError(mop); return 1;
}
fclose(win->file);
if (describe) {
fprintf(stdout, "----------------- POST-RENDER -----------------\n");
limnObjectDescribe(stdout, obj);
fprintf(stdout, "----------------- POST-RENDER -----------------\n");
}
airMopOkay(mop);
return 0;
}
int
main(int argc, char *argv[]) {
char *me, *err, *outS;
limnCamera *cam;
float matA[16], matB[16], winscale, edgeWidth[5];
hestOpt *hopt=NULL;
airArray *mop;
limnObject *obj;
limnLook *look;
int lookIdx;
limnWindow *win;
int partIdx, wire, concave;
Nrrd *nmap;
mop = airMopNew();
cam = limnCameraNew();
airMopAdd(mop, cam, (airMopper)limnCameraNix, airMopAlways);
me = argv[0];
hestOptAdd(&hopt, "fr", "from point", airTypeDouble, 3, 3, cam->from,"4 4 4",
"position of camera, used to determine view vector");
hestOptAdd(&hopt, "at", "at point", airTypeDouble, 3, 3, cam->at, "0 0 0",
"camera look-at point, used to determine view vector");
hestOptAdd(&hopt, "up", "up vector", airTypeDouble, 3, 3, cam->up, "0 0 1",
"camera pseudo-up vector, used to determine view coordinates");
hestOptAdd(&hopt, "rh", NULL, airTypeInt, 0, 0, &(cam->rightHanded), NULL,
"use a right-handed UVN frame (V points down)");
hestOptAdd(&hopt, "or", NULL, airTypeInt, 0, 0, &(cam->orthographic), NULL,
"use orthogonal projection");
hestOptAdd(&hopt, "ur", "uMin uMax", airTypeDouble, 2, 2, cam->uRange,
"-1 1", "range in U direction of image plane");
hestOptAdd(&hopt, "vr", "vMin vMax", airTypeDouble, 2, 2, cam->vRange,
"-1 1", "range in V direction of image plane");
hestOptAdd(&hopt, "e", "envmap", airTypeOther, 1, 1, &nmap, NULL,
"16checker-based environment map",
NULL, NULL, nrrdHestNrrd);
hestOptAdd(&hopt, "ws", "winscale", airTypeFloat, 1, 1, &winscale,
"200", "world to points (PostScript) scaling");
hestOptAdd(&hopt, "wire", NULL, airTypeInt, 0, 0, &wire, NULL,
"just do wire-frame rendering");
hestOptAdd(&hopt, "concave", NULL, airTypeInt, 0, 0, &concave, NULL,
"use slightly buggy rendering method suitable for "
"concave or self-occluding objects");
hestOptAdd(&hopt, "wd", "5 widths", airTypeFloat, 5, 5, edgeWidth,
"0.0 0.0 3.0 2.0 0.0",
"width of edges drawn for five kinds of "
"edges: back non-crease, back crease, "
"silohuette, front crease, front non-crease");
hestOptAdd(&hopt, "o", "output PS", airTypeString, 1, 1, &outS, "out.ps",
"output file to render postscript into");
hestParseOrDie(hopt, argc-1, argv+1, NULL,
me, info, AIR_TRUE, AIR_TRUE, AIR_TRUE);
airMopAdd(mop, hopt, (airMopper)hestOptFree, airMopAlways);
airMopAdd(mop, hopt, (airMopper)hestParseFree, airMopAlways);
cam->neer = -0.000000001;
cam->dist = 0;
cam->faar = 0.0000000001;
cam->atRelative = AIR_TRUE;
if (limnCameraUpdate(cam)) {
fprintf(stderr, "%s: trouble:\n%s\n", me, err = biffGet(LIMN));
free(err);
return 1;
}
obj = limnObjectNew(10, AIR_TRUE);
airMopAdd(mop, obj, (airMopper)limnObjectNix, airMopAlways);
/* create limnLooks for diffuse (#0) and flat (#1) shading */
lookIdx = airArrayLenIncr(obj->lookArr, 2);
look = obj->look + lookIdx + 0;
ELL_4V_SET(look->rgba, 1, 1, 1, 1);
ELL_3V_SET(look->kads, 0, 1, 0);
look->spow = 0;
look = obj->look + lookIdx + 1;
ELL_4V_SET(look->rgba, 1, 1, 1, 1);
ELL_3V_SET(look->kads, 1, 0, 0);
look->spow = 0;
/* X axis: rod */
partIdx = limnObjectCylinderAdd(obj, 0, 0, 16);
ELL_4M_IDENTITY_SET(matA);
ELL_4M_SCALE_SET(matB, 1, 0.2, 0.2);
ell_4m_post_mul_f(matA, matB);
ELL_4M_TRANSLATE_SET(matB, 1.3, 0.0, 0.0);
ell_4m_post_mul_f(matA, matB);
limnObjectPartTransform(obj, partIdx, matA);
/* Y axis: rod + ball */
partIdx = limnObjectCylinderAdd(obj, 0, 1, 16);
ELL_4M_IDENTITY_SET(matA);
ELL_4M_SCALE_SET(matB, 0.2, 1, 0.2);
ell_4m_post_mul_f(matA, matB);
ELL_4M_TRANSLATE_SET(matB, 0.0, 1.3, 0.0);
ell_4m_post_mul_f(matA, matB);
limnObjectPartTransform(obj, partIdx, matA);
partIdx = limnObjectPolarSphereAdd(obj, 0, 0, 32, 16);
ELL_4M_IDENTITY_SET(matA);
ELL_4M_SCALE_SET(matB, 0.28, 0.28, 0.28);
ell_4m_post_mul_f(matA, matB);
ELL_4M_TRANSLATE_SET(matB, 0.0, 2.6, 0.0);
ell_4m_post_mul_f(matA, matB);
limnObjectPartTransform(obj, partIdx, matA);
/* Z axis: rod + ball + ball */
partIdx = limnObjectCylinderAdd(obj, 0, 2, 16);
ELL_4M_IDENTITY_SET(matA);
ELL_4M_SCALE_SET(matB, 0.2, 0.2, 1);
ell_4m_post_mul_f(matA, matB);
ELL_4M_TRANSLATE_SET(matB, 0.0, 0.0, 1.3);
ell_4m_post_mul_f(matA, matB);
limnObjectPartTransform(obj, partIdx, matA);
partIdx = limnObjectPolarSphereAdd(obj, 0, 1, 32, 16);
ELL_4M_IDENTITY_SET(matA);
ELL_4M_SCALE_SET(matB, 0.28, 0.28, 0.28);
ell_4m_post_mul_f(matA, matB);
ELL_4M_TRANSLATE_SET(matB, 0.0, 0.0, 2.6);
ell_4m_post_mul_f(matA, matB);
limnObjectPartTransform(obj, partIdx, matA);
partIdx = limnObjectPolarSphereAdd(obj, 0, 2, 32, 16);
ELL_4M_IDENTITY_SET(matA);
ELL_4M_SCALE_SET(matB, 0.28, 0.28, 0.28);
ell_4m_post_mul_f(matA, matB);
ELL_4M_TRANSLATE_SET(matB, 0.0, 0.0, 3.2);
ell_4m_post_mul_f(matA, matB);
limnObjectPartTransform(obj, partIdx, matA);
win = limnWindowNew(limnDevicePS);
win->scale = winscale;
win->ps.wireFrame = wire;
win->ps.lineWidth[limnEdgeTypeBackFacet] = edgeWidth[0];
win->ps.lineWidth[limnEdgeTypeBackCrease] = edgeWidth[1];
win->ps.lineWidth[limnEdgeTypeContour] = edgeWidth[2];
win->ps.lineWidth[limnEdgeTypeFrontCrease] = edgeWidth[3];
win->ps.lineWidth[limnEdgeTypeFrontFacet] = edgeWidth[4];
win->file = fopen(outS, "w");
airMopAdd(mop, win, (airMopper)limnWindowNix, airMopAlways);
if (limnObjectRender(obj, cam, win)
|| (concave
? limnObjectPSDrawConcave(obj, cam, nmap, win)
: limnObjectPSDraw(obj, cam, nmap, win))) {
airMopAdd(mop, err = biffGetDone(LIMN), airFree, airMopAlways);
fprintf(stderr, "%s: trouble:\n%s\n", me, err);
airMopError(mop);
return 1;
}
fclose(win->file);
airMopOkay(mop);
return 0;
}
