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ref_egads.c
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ref_egads.c
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/* Copyright 2014 United States Government as represented by the
* Administrator of the National Aeronautics and Space
* Administration. No copyright is claimed in the United States under
* Title 17, U.S. Code. All Other Rights Reserved.
*
* The refine platform is licensed under the Apache License, Version
* 2.0 (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
#include "ref_egads.h"
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ref_cloud.h"
#include "ref_dict.h"
#include "ref_malloc.h"
#include "ref_math.h"
#include "ref_matrix.h"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_EGADS
#include "egads.h"
#endif
REF_STATUS ref_egads_open(REF_GEOM ref_geom) {
#ifdef HAVE_EGADS
ego context;
REIS(EGADS_SUCCESS, EG_open(&context), "EG open");
/* Success returns the old output level. (0-silent to 3-debug) */
RAS(EG_setOutLevel(context, 0) >= 0, "make silent");
ref_geom->context = (void *)context;
#else
ref_geom->context = NULL;
#endif
return REF_SUCCESS;
}
REF_STATUS ref_egads_close(REF_GEOM ref_geom) {
#ifdef HAVE_EGADS
if (NULL != ref_geom->faces) EG_free((ego *)(ref_geom->faces));
if (NULL != ref_geom->edges) EG_free((ego *)(ref_geom->edges));
if (NULL != ref_geom->nodes) EG_free((ego *)(ref_geom->nodes));
if (NULL != ref_geom->pcurves) ref_free((ego *)(ref_geom->pcurves));
if (NULL != ref_geom->context)
REIS(EGADS_SUCCESS, EG_close((ego)(ref_geom->context)), "EG close");
#endif
ref_geom->context = NULL;
ref_geom->body = NULL;
ref_geom->faces = NULL;
ref_geom->edges = NULL;
ref_geom->nodes = NULL;
return REF_SUCCESS;
}
REF_STATUS ref_egads_out_level(REF_GEOM ref_geom, REF_INT out_level) {
#ifdef HAVE_EGADS
ego context;
context = (ego)(ref_geom->context);
RAS(EG_setOutLevel(context, (int)out_level) >= 0, "set verbosity");
#else
printf("nothing for %s, No EGADS linked\n", __func__);
SUPRESS_UNUSED_COMPILER_WARNING(ref_geom);
SUPRESS_UNUSED_COMPILER_WARNING(out_level);
#endif
return REF_SUCCESS;
}
#ifdef HAVE_EGADS
#if defined(HAVE_EGADS) && !defined(HAVE_EGADS_LITE)
static REF_STATUS ref_egads_free_body_objects(REF_GEOM ref_geom) {
if (NULL != ref_geom->faces) EG_free((ego *)(ref_geom->faces));
if (NULL != ref_geom->edges) EG_free((ego *)(ref_geom->edges));
if (NULL != ref_geom->nodes) EG_free((ego *)(ref_geom->nodes));
if (NULL != ref_geom->pcurves) ref_free((ego *)(ref_geom->pcurves));
ref_free(ref_geom->face_seg_per_rad);
ref_free(ref_geom->face_min_length);
ref_free(ref_geom->initial_cell_height);
ref_free(ref_geom->uv_area_sign);
return REF_SUCCESS;
}
#endif
static REF_STATUS ref_egads_cache_body_objects(REF_GEOM ref_geom) {
ego body = (ego)(ref_geom->body);
ego *faces, *edges, *nodes;
int nface, nedge, nnode;
REF_INT face;
int oclass, mtype, *senses, nchild;
ego *children;
ego ref;
double uv_box[4];
#ifdef HAVE_EGADS_EFFECTIVE
if (ref_geom_effective(ref_geom)) {
REIS(EGADS_SUCCESS, EG_getBodyTopos(body, NULL, NODE, &nnode, &nodes),
"EG node topo");
REIS(EGADS_SUCCESS, EG_getBodyTopos(body, NULL, EEDGE, &nedge, &edges),
"EG edge topo");
REIS(EGADS_SUCCESS, EG_getBodyTopos(body, NULL, EFACE, &nface, &faces),
"EG face topo");
} else {
REIS(EGADS_SUCCESS, EG_getBodyTopos(body, NULL, NODE, &nnode, &nodes),
"EG node topo");
REIS(EGADS_SUCCESS, EG_getBodyTopos(body, NULL, EDGE, &nedge, &edges),
"EG edge topo");
REIS(EGADS_SUCCESS, EG_getBodyTopos(body, NULL, FACE, &nface, &faces),
"EG face topo");
}
#else
REIS(EGADS_SUCCESS, EG_getBodyTopos(body, NULL, NODE, &nnode, &nodes),
"EG node topo");
REIS(EGADS_SUCCESS, EG_getBodyTopos(body, NULL, EDGE, &nedge, &edges),
"EG edge topo");
REIS(EGADS_SUCCESS, EG_getBodyTopos(body, NULL, FACE, &nface, &faces),
"EG face topo");
#endif
ref_geom->nnode = nnode;
ref_geom->nodes = (void *)nodes;
ref_geom->nedge = nedge;
ref_geom->edges = (void *)edges;
ref_geom->nface = nface;
ref_geom->faces = (void *)faces;
{ /* gather e2f and pcurves */
REF_INT *facefound;
REF_INT edge;
ego esurf, *eloops;
int nloop;
ego loop_curve, *loop_edges;
int iloop, iedge, loop_nedge;
ref_malloc_init(ref_geom->pcurves, 2 * (ref_geom->nedge), void *, NULL);
ref_malloc_init(ref_geom->e2f, 2 * (ref_geom->nedge), REF_INT, REF_EMPTY);
ref_malloc_init(facefound, (ref_geom->nedge), REF_INT, 0);
for (face = 0; face < (ref_geom->nface); face++) {
REIS(EGADS_SUCCESS,
EG_getTopology(((ego *)(ref_geom->faces))[face], &esurf, &oclass,
&mtype, NULL, &nloop, &eloops, &senses),
"topo");
for (iloop = 0; iloop < nloop; iloop++) {
/* loop through all Edges associated with this Loop */
REIS(EGADS_SUCCESS,
EG_getTopology(eloops[iloop], &loop_curve, &oclass, &mtype, NULL,
&loop_nedge, &loop_edges, &senses),
"topo");
for (iedge = 0; iedge < loop_nedge; iedge++) {
edge = EG_indexBodyTopo((ego)(ref_geom->body), loop_edges[iedge]) - 1;
RAB(2 > facefound[edge], "edge has more than 2 faces",
printf("face ids %d %d %d edge id %d\n",
ref_geom->e2f[0 + 2 * edge], ref_geom->e2f[1 + 2 * edge],
face + 1, edge + 1));
ref_geom->e2f[facefound[edge] + 2 * edge] = face + 1;
if (NULL != loop_curve) { /* LOOP has reference SURFACE */
ref_geom->pcurves[facefound[edge] + 2 * edge] =
loop_edges[iedge + loop_nedge];
}
facefound[edge]++;
}
}
}
ref_free(facefound);
}
/* use face mtype SFORWARD, SREVERSE to set uv_area_sign */
/* If it is SFORWARD (1) then the Face's Normal is in the same direction as
the surface (u cross v), which points outward of the body. If it is
SREVERSE (-1), then the natural surface normal points inward and the
Face points consistently out of the body. */
ref_malloc_init(ref_geom->uv_area_sign, ref_geom->nface, REF_DBL, 0.0);
for (face = 0; face < nface; face++) {
REIS(EGADS_SUCCESS,
EG_getTopology(((ego *)(ref_geom->faces))[face], &ref, &oclass, &mtype,
uv_box, &nchild, &children, &senses),
"topo");
switch (mtype) {
/* refine assumes normal point into the domain (body), flip sign */
case SFORWARD:
(ref_geom->uv_area_sign)[face] = -1.0;
break;
case SREVERSE:
(ref_geom->uv_area_sign)[face] = 1.0;
break;
default:
printf("mtype %d\n", mtype);
RSS(REF_IMPLEMENT, "unknown face type, expected SFORWARD or SREVERSE");
}
}
ref_malloc_init(ref_geom->initial_cell_height, ref_geom->nface, REF_DBL,
-1.0);
for (face = 0; face < nface; face++) {
int len, atype;
const double *preals;
const int *pints;
const char *string;
if (EGADS_SUCCESS == EG_attributeRet(((ego *)(ref_geom->faces))[face],
"initial_cell_height", &atype, &len,
&pints, &preals, &string)) {
if (ATTRREAL == atype && len == 1) {
ref_geom->initial_cell_height[face] = preals[0];
}
}
}
ref_malloc_init(ref_geom->face_min_length, ref_geom->nface, REF_DBL, -1.0);
for (face = 0; face < nface; face++) {
int len, atype;
const double *preals;
const int *pints;
const char *string;
if (EGADS_SUCCESS == EG_attributeRet(((ego *)(ref_geom->faces))[face],
"min_length", &atype, &len, &pints,
&preals, &string)) {
if (ATTRREAL == atype && len == 1) {
ref_geom->face_min_length[face] = preals[0];
}
}
}
ref_malloc_init(ref_geom->face_seg_per_rad, ref_geom->nface, REF_DBL, -999.0);
for (face = 0; face < nface; face++) {
int len, atype;
const double *preals;
const int *pints;
const char *string;
if (EGADS_SUCCESS == EG_attributeRet(((ego *)(ref_geom->faces))[face],
"seg_per_rad", &atype, &len, &pints,
&preals, &string)) {
if (ATTRREAL == atype && len == 1) {
ref_geom->face_seg_per_rad[face] = preals[0];
}
}
}
return REF_SUCCESS;
}
#endif
REF_STATUS ref_egads_load(REF_GEOM ref_geom, const char *filename) {
#ifdef HAVE_EGADS
ego context;
ego model = NULL;
ego geom, *bodies, *children;
int oclass, nego, mtype, nbody, *senses, nchild;
ego body;
context = (ego)(ref_geom->context);
#ifdef HAVE_EGADS_LITE
{
/* entry point NOT in egads.h */
int EG_importModel(egObject * context, const size_t nbytes,
const char stream[], egObject **model);
SUPRESS_UNUSED_COMPILER_WARNING(filename);
RAS(0 < ref_geom_cad_data_size(ref_geom),
"zero size cad_data, does the mesh contain EGADSlite data?");
RNS(ref_geom_cad_data(ref_geom), "cad_data NULL");
REIS(EGADS_SUCCESS,
EG_importModel(context, (size_t)ref_geom_cad_data_size(ref_geom),
(char *)ref_geom_cad_data(ref_geom), &model),
"EG load");
}
#else
if (NULL == filename)
THROW("filename NULL for EGADS(full) load, missing --egads option?");
REIS(EGADS_SUCCESS, EG_loadModel(context, 0, filename, &model), "EG load");
{
/* entry point NOT in egads.h */
int EG_exportModel(ego mobject, size_t * nbytes, char *stream[]);
REF_SIZE cad_data_size;
REF_BYTE *cad_data;
REIS(EGADS_SUCCESS, EG_exportModel(model, &cad_data_size, &cad_data),
"EG stream");
ref_geom_cad_data_size(ref_geom) = cad_data_size;
/* safe non-NULL free, if already allocated, to prevent memory leaks */
ref_free(ref_geom->cad_data);
ref_malloc_size_t(ref_geom_cad_data(ref_geom),
ref_geom_cad_data_size(ref_geom), REF_BYTE);
memcpy(ref_geom_cad_data(ref_geom), cad_data,
ref_geom_cad_data_size(ref_geom));
EG_free(cad_data);
}
#endif
ref_geom->model = (void *)model;
REIS(EGADS_SUCCESS,
EG_getTopology(model, &geom, &oclass, &nego, NULL, &nbody, &bodies,
&senses),
"EG topo bodies");
REIS(1, nbody, "expected 1 body");
body = bodies[0];
#ifdef HAVE_EGADS_EFFECTIVE
{
int ibody;
int bodyclass, bodytype;
ego owner, prev, next;
for (ibody = 0; ibody < nego; ibody++) {
REIS(EGADS_SUCCESS,
EG_getInfo(bodies[ibody], &bodyclass, &bodytype, &owner, &prev,
&next),
"info");
if (EBODY == bodyclass) {
body = bodies[ibody];
ref_geom_effective(ref_geom) = REF_TRUE;
}
}
}
#endif
ref_geom->body = (void *)body;
REIS(EGADS_SUCCESS,
EG_getTopology(body, &geom, &oclass, &mtype, NULL, &nchild, &children,
&senses),
"EG topo body type");
RAB(SOLIDBODY == mtype || FACEBODY == mtype || SHEETBODY == mtype,
"expected SOLIDBODY or FACEBODY or SHEETBODY",
{ printf("mtype %d\n", mtype); });
ref_geom->manifold = (SOLIDBODY == mtype);
RSS(ref_egads_cache_body_objects(ref_geom), "cache egads objects");
#else
printf("nothing for %s, No EGADS linked for %s\n", __func__, filename);
SUPRESS_UNUSED_COMPILER_WARNING(ref_geom);
#endif
return REF_SUCCESS;
}
REF_STATUS ref_egads_save(REF_GEOM ref_geom, const char *filename) {
#if defined(HAVE_EGADS) && !defined(HAVE_EGADS_LITE)
remove(filename); /* ignore failure */
REIS(EGADS_SUCCESS, EG_saveModel((ego)(ref_geom->model), filename),
"EG save");
#else
printf("nothing for %s, No EGADS(full) linked for %s\n", __func__, filename);
SUPRESS_UNUSED_COMPILER_WARNING(ref_geom);
#endif
return REF_SUCCESS;
}
REF_BOOL ref_egads_allows_construction(void) {
#if defined(HAVE_EGADS) && !defined(HAVE_EGADS_LITE)
return REF_TRUE;
#else
return REF_FALSE;
#endif
}
REF_BOOL ref_egads_allows_effective(void) {
#if defined(HAVE_EGADS) && defined(HAVE_EGADS_EFFECTIVE) && \
!defined(HAVE_EGADS_LITE)
return REF_TRUE;
#else
return REF_FALSE;
#endif
}
REF_STATUS ref_egads_construct(REF_GEOM ref_geom, const char *description) {
#if defined(HAVE_EGADS) && !defined(HAVE_EGADS_LITE)
ego body = NULL;
RAS(ref_egads_allows_construction(), "construction not allowed");
if (0 == strcmp("cylinder", description)) {
int stype = CYLINDER;
double data[7] = {0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0};
REIS(EGADS_SUCCESS,
EG_makeSolidBody((ego)(ref_geom->context), stype, data, &body),
"make solid body");
}
if (0 == strcmp("sphere", description)) {
int stype = SPHERE;
double data[4] = {0.0, 0.0, 0.0, 1.0};
REIS(EGADS_SUCCESS,
EG_makeSolidBody((ego)(ref_geom->context), stype, data, &body),
"make solid body");
}
if (0 == strcmp("boxbox", description)) {
int stype = BOX;
ego box1, box2;
{
double data[6] = {0.0, 0.0, 0.0, 1.0, 1.0, 0.5};
REIS(EGADS_SUCCESS,
EG_makeSolidBody((ego)(ref_geom->context), stype, data, &box1),
"make solid body");
}
{
double data[6] = {0.0, 0.0, 0.5, 1.0, 1.0, 0.5};
REIS(EGADS_SUCCESS,
EG_makeSolidBody((ego)(ref_geom->context), stype, data, &box2),
"make solid body");
}
{
ego boxbox, geom, *bodies;
int oclass, nego, nbody, *senses;
REIS(EGADS_SUCCESS, EG_generalBoolean(box1, box2, FUSION, 0.0, &boxbox),
"make solid body");
REIS(EGADS_SUCCESS,
EG_getTopology(boxbox, &geom, &oclass, &nego, NULL, &nbody, &bodies,
&senses),
"EG topo bodies");
REIS(1, nbody, "expected 1 body");
REIS(EGADS_SUCCESS, EG_copyObject(bodies[0], NULL, &body), "copy body");
REIS(0, EG_deleteObject(boxbox), "delete temp model");
REIS(0, EG_deleteObject(box1), "delete box1");
REIS(0, EG_deleteObject(box2), "delete box2");
}
}
if (0 == strcmp("steinmetz", description)) {
int stype = CYLINDER;
ego cyl1, cyl2;
{
double data[7] = {-1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0};
REIS(EGADS_SUCCESS,
EG_makeSolidBody((ego)(ref_geom->context), stype, data, &cyl1),
"make solid body");
}
{
double data[7] = {0.0, -1.0, 0.0, 0.0, 1.0, 0.0, 1.0};
REIS(EGADS_SUCCESS,
EG_makeSolidBody((ego)(ref_geom->context), stype, data, &cyl2),
"make solid body");
}
{
ego stein, geom, *bodies;
int oclass, nego, nbody, *senses;
REIS(EGADS_SUCCESS,
EG_generalBoolean(cyl1, cyl2, INTERSECTION, 0.0, &stein),
"make solid body");
REIS(EGADS_SUCCESS,
EG_getTopology(stein, &geom, &oclass, &nego, NULL, &nbody, &bodies,
&senses),
"EG topo bodies");
REIS(1, nbody, "expected 1 body");
REIS(EGADS_SUCCESS, EG_copyObject(bodies[0], NULL, &body), "copy body");
REIS(0, EG_deleteObject(stein), "delete temp model");
REIS(0, EG_deleteObject(cyl1), "delete cyl1");
REIS(0, EG_deleteObject(cyl2), "delete cyl2");
}
}
if (0 == strcmp("square", description)) {
ego nodes[4], curves[4], edges[4];
{ /* nodes */
double xyz[3];
xyz[0] = 0;
xyz[1] = 0;
xyz[2] = 0;
REIS(EGADS_SUCCESS,
EG_makeTopology((ego)(ref_geom->context), NULL, NODE, 0, xyz, 0,
NULL, NULL, &nodes[0]),
"make node");
xyz[0] = 1;
xyz[1] = 0;
xyz[2] = 0;
REIS(EGADS_SUCCESS,
EG_makeTopology((ego)(ref_geom->context), NULL, NODE, 0, xyz, 0,
NULL, NULL, &nodes[1]),
"make node");
xyz[0] = 1;
xyz[1] = 1;
xyz[2] = 0;
REIS(EGADS_SUCCESS,
EG_makeTopology((ego)(ref_geom->context), NULL, NODE, 0, xyz, 0,
NULL, NULL, &nodes[2]),
"make node");
xyz[0] = 0;
xyz[1] = 1;
xyz[2] = 0;
REIS(EGADS_SUCCESS,
EG_makeTopology((ego)(ref_geom->context), NULL, NODE, 0, xyz, 0,
NULL, NULL, &nodes[3]),
"make node");
}
{ /* curves */
ego ref, *pchldrn;
int oclass, mtype, nchild, *psens;
double data[6];
REIS(EGADS_SUCCESS,
EG_getTopology(nodes[0], &ref, &oclass, &mtype, &(data[0]), &nchild,
&pchldrn, &psens),
"node xyz");
REIS(EGADS_SUCCESS,
EG_getTopology(nodes[1], &ref, &oclass, &mtype, &(data[3]), &nchild,
&pchldrn, &psens),
"node xyz");
data[3] -= data[0];
data[4] -= data[1];
data[5] -= data[2];
REIS(EGADS_SUCCESS,
EG_makeGeometry((ego)(ref_geom->context), CURVE, LINE, NULL, NULL,
data, &curves[0]),
"line");
REIS(EGADS_SUCCESS,
EG_getTopology(nodes[1], &ref, &oclass, &mtype, &(data[0]), &nchild,
&pchldrn, &psens),
"node xyz");
REIS(EGADS_SUCCESS,
EG_getTopology(nodes[2], &ref, &oclass, &mtype, &(data[3]), &nchild,
&pchldrn, &psens),
"node xyz");
data[3] -= data[0];
data[4] -= data[1];
data[5] -= data[2];
REIS(EGADS_SUCCESS,
EG_makeGeometry((ego)(ref_geom->context), CURVE, LINE, NULL, NULL,
data, &curves[1]),
"line");
REIS(EGADS_SUCCESS,
EG_getTopology(nodes[2], &ref, &oclass, &mtype, &(data[0]), &nchild,
&pchldrn, &psens),
"node xyz");
REIS(EGADS_SUCCESS,
EG_getTopology(nodes[3], &ref, &oclass, &mtype, &(data[3]), &nchild,
&pchldrn, &psens),
"node xyz");
data[3] -= data[0];
data[4] -= data[1];
data[5] -= data[2];
REIS(EGADS_SUCCESS,
EG_makeGeometry((ego)(ref_geom->context), CURVE, LINE, NULL, NULL,
data, &curves[2]),
"line");
REIS(EGADS_SUCCESS,
EG_getTopology(nodes[3], &ref, &oclass, &mtype, &(data[0]), &nchild,
&pchldrn, &psens),
"node xyz");
REIS(EGADS_SUCCESS,
EG_getTopology(nodes[0], &ref, &oclass, &mtype, &(data[3]), &nchild,
&pchldrn, &psens),
"node xyz");
data[3] -= data[0];
data[4] -= data[1];
data[5] -= data[2];
REIS(EGADS_SUCCESS,
EG_makeGeometry((ego)(ref_geom->context), CURVE, LINE, NULL, NULL,
data, &curves[3]),
"line");
}
{ /* edges */
ego ref, *pchldrn, objs[2];
int oclass, mtype, nchild, *psens;
double xyz[3], dum[3], range[2];
objs[0] = nodes[0];
objs[1] = nodes[1];
REIS(EGADS_SUCCESS,
EG_getTopology(objs[0], &ref, &oclass, &mtype, xyz, &nchild,
&pchldrn, &psens),
"node xyz");
REIS(EGADS_SUCCESS, EG_invEvaluate(curves[0], xyz, &range[0], dum),
"trange");
REIS(EGADS_SUCCESS,
EG_getTopology(objs[1], &ref, &oclass, &mtype, xyz, &nchild,
&pchldrn, &psens),
"node xyz");
REIS(EGADS_SUCCESS, EG_invEvaluate(curves[0], xyz, &range[1], dum),
"trange");
REIS(EGADS_SUCCESS,
EG_makeTopology((ego)(ref_geom->context), curves[0], EDGE, TWONODE,
range, 2, objs, NULL, &edges[0]),
"make edge");
objs[0] = nodes[1];
objs[1] = nodes[2];
REIS(EGADS_SUCCESS,
EG_getTopology(objs[0], &ref, &oclass, &mtype, xyz, &nchild,
&pchldrn, &psens),
"node xyz");
REIS(EGADS_SUCCESS, EG_invEvaluate(curves[1], xyz, &range[0], dum),
"trange");
REIS(EGADS_SUCCESS,
EG_getTopology(objs[1], &ref, &oclass, &mtype, xyz, &nchild,
&pchldrn, &psens),
"node xyz");
REIS(EGADS_SUCCESS, EG_invEvaluate(curves[1], xyz, &range[1], dum),
"trange");
REIS(EGADS_SUCCESS,
EG_makeTopology((ego)(ref_geom->context), curves[1], EDGE, TWONODE,
range, 2, objs, NULL, &edges[1]),
"make edge");
objs[0] = nodes[2];
objs[1] = nodes[3];
REIS(EGADS_SUCCESS,
EG_getTopology(objs[0], &ref, &oclass, &mtype, xyz, &nchild,
&pchldrn, &psens),
"node xyz");
REIS(EGADS_SUCCESS, EG_invEvaluate(curves[2], xyz, &range[0], dum),
"trange");
REIS(EGADS_SUCCESS,
EG_getTopology(objs[1], &ref, &oclass, &mtype, xyz, &nchild,
&pchldrn, &psens),
"node xyz");
REIS(EGADS_SUCCESS, EG_invEvaluate(curves[2], xyz, &range[1], dum),
"trange");
REIS(EGADS_SUCCESS,
EG_makeTopology((ego)(ref_geom->context), curves[2], EDGE, TWONODE,
range, 2, objs, NULL, &edges[2]),
"make edge");
objs[0] = nodes[3];
objs[1] = nodes[0];
REIS(EGADS_SUCCESS,
EG_getTopology(objs[0], &ref, &oclass, &mtype, xyz, &nchild,
&pchldrn, &psens),
"node xyz");
REIS(EGADS_SUCCESS, EG_invEvaluate(curves[3], xyz, &range[0], dum),
"trange");
REIS(EGADS_SUCCESS,
EG_getTopology(objs[1], &ref, &oclass, &mtype, xyz, &nchild,
&pchldrn, &psens),
"node xyz");
REIS(EGADS_SUCCESS, EG_invEvaluate(curves[3], xyz, &range[1], dum),
"trange");
REIS(EGADS_SUCCESS,
EG_makeTopology((ego)(ref_geom->context), curves[3], EDGE, TWONODE,
range, 2, objs, NULL, &edges[3]),
"make edge");
}
{ /* loop and face */
int senses[4] = {1, 1, 1, 1};
ego loop, face;
REIS(EGADS_SUCCESS,
EG_makeTopology((ego)(ref_geom->context), NULL, LOOP, CLOSED, NULL,
4, edges, senses, &loop),
"make loop");
REIS(EGADS_SUCCESS, EG_makeFace(loop, SREVERSE, NULL, &face), "face");
REIS(EGADS_SUCCESS,
EG_makeTopology((ego)(ref_geom->context), NULL, BODY, FACEBODY, NULL,
1, &face, NULL, &body),
"facebody");
REIS(0, EG_deleteObject((ego)(ref_geom->context)),
"delete construction objects");
}
}
if (0 == strcmp("revolve", description)) {
ego face;
double data[6];
RSS(ref_egads_construct(ref_geom, "square"), "create");
REIS(EGADS_SUCCESS, EG_copyObject((ego)(ref_geom->body), NULL, &face),
"copy body");
REIS(0, EG_deleteObject((ego)(ref_geom->model)), "delete body model");
data[0] = 0.0;
data[1] = 0.0;
data[2] = 0.0;
data[3] = 1.0;
data[4] = 0.0;
data[5] = 0.0;
REIS(EGADS_SUCCESS, EG_rotate(face, 360.0, data, &body), "revolve");
REIS(0, EG_deleteObject((ego)(ref_geom->context)),
"delete construction objects");
}
RNB(body, "unknown description", { printf(">%s<\n", description); });
{
ego model;
REIS(EGADS_SUCCESS,
EG_makeTopology((ego)(ref_geom->context), NULL, MODEL, 0, NULL, 1,
&body, NULL, &model),
"make Topo Model");
ref_geom->model = (void *)model;
}
ref_geom->body = (void *)body;
{
ego geom, *children;
int oclass, mtype, *senses, nchild;
REIS(EGADS_SUCCESS,
EG_getTopology(body, &geom, &oclass, &mtype, NULL, &nchild, &children,
&senses),
"EG topo body type");
ref_geom->manifold = (SOLIDBODY == mtype);
}
RSS(ref_egads_cache_body_objects(ref_geom), "cache egads objects");
#else
printf("nothing for %s, Full EGADS not linked for %s\n", __func__,
description);
SUPRESS_UNUSED_COMPILER_WARNING(ref_geom);
#endif
return REF_SUCCESS;
}
REF_STATUS ref_egads_brep_pcurve(REF_GEOM ref_geom, REF_INT edgeid,
REF_INT faceid, REF_INT degree,
REF_INT n_control_point, REF_INT **int_bundle,
REF_DBL **dbl_bundle) {
#if defined(HAVE_EGADS)
ego curve, *children;
int edgeclass, edgetype, nchild, *senses;
double trange[2];
REF_INT nknot;
REF_DBL *t, *uv, *bundle;
REF_DBL s0, s1;
REF_DBL xyz[3];
REF_INT i;
REF_BOOL viz = REF_FALSE;
REF_BOOL verbose = REF_FALSE;
REIS(
EGADS_SUCCESS,
EG_getTopology(((ego *)(ref_geom->edges))[edgeid - 1], &curve, &edgeclass,
&edgetype, trange, &nchild, &children, &senses),
"topo");
SUPRESS_UNUSED_COMPILER_WARNING(faceid);
if (verbose) printf("trange %f %f\n", trange[0], trange[1]);
nknot = ref_geom_bspline_nknot(degree, n_control_point);
ref_malloc(t, n_control_point, REF_DBL);
ref_malloc(uv, 2 * n_control_point, REF_DBL);
ref_malloc(bundle, nknot + 2 * n_control_point, REF_DBL);
for (i = 0; i < n_control_point; i++) {
s1 = ((REF_DBL)i) / ((REF_DBL)(n_control_point - 1));
s0 = 1.0 - s1;
t[i] = s0 * trange[0] + s1 * trange[1];
RSS(ref_egads_eval_at(ref_geom, REF_GEOM_EDGE, edgeid, &(t[i]), xyz, NULL),
"eval edge xyz");
RSS(ref_egads_edge_face_uv(ref_geom, edgeid, faceid, 0, t[i], &(uv[2 * i])),
"edge face uv");
RSS(ref_egads_inverse_eval(ref_geom, REF_GEOM_FACE, faceid, xyz,
&(uv[2 * i])),
"inv eval face uv");
if (verbose)
printf("t[%d] %f uv %f %f xyz %f %f %f\n", i, t[i], uv[0 + 2 * i],
uv[1 + 2 * i], xyz[0], xyz[1], xyz[2]);
}
RSS(ref_geom_bspline_fit(degree, n_control_point, t, uv, bundle), "fit");
if (viz) {
char filename[1024];
snprintf(filename, 1024, "pcurve-face%d-edge%d.tec", faceid, edgeid);
RSS(ref_geom_bspline_bundle_tec(degree, n_control_point, bundle, filename),
"tec basis");
}
if (NULL == dbl_bundle) {
} else {
ref_malloc(*int_bundle, 4, REF_INT);
(*int_bundle)[0] = 0; /* bit flag */
(*int_bundle)[1] = degree;
(*int_bundle)[2] = n_control_point;
(*int_bundle)[3] = nknot;
}
if (NULL == dbl_bundle) {
ref_free(bundle);
} else {
*dbl_bundle = bundle;
}
ref_free(uv);
ref_free(t);
#else
printf("EGADS not linked for %s\n", __func__);
SUPRESS_UNUSED_COMPILER_WARNING(ref_geom);
SUPRESS_UNUSED_COMPILER_WARNING(edgeid);
SUPRESS_UNUSED_COMPILER_WARNING(faceid);
SUPRESS_UNUSED_COMPILER_WARNING(degree);
SUPRESS_UNUSED_COMPILER_WARNING(n_control_point);
*int_bundle = NULL;
*dbl_bundle = NULL;
#endif
return REF_SUCCESS;
}
REF_STATUS ref_egads_brep_examine(REF_GEOM ref_geom) {
#if defined(HAVE_EGADS)
REF_INT face;
int oclass, mtype, *senses;
ego surface, *eloops;
int nloop;
ego loop_curve, *loop_edges, *children, edge_ref, surface_ref;
int iloop, loop_nedge;
int iedge, nchild;
int face_geom_class, face_geom_type;
double range[4];
int edgeid;
REF_BOOL verbose = REF_FALSE;
for (face = 0; face < (ref_geom->nface); face++) {
REIS(EGADS_SUCCESS,
EG_getTopology(((ego *)(ref_geom->faces))[face], &surface, &oclass,
&mtype, NULL, &nloop, &eloops, &senses),
"topo");
face_geom_class = REF_EMPTY;
face_geom_type = REF_EMPTY;
if (NULL != surface) {
int *geom_ints;
double *geom_reals;
REIS(EGADS_SUCCESS,
EG_getGeometry(surface, &face_geom_class, &face_geom_type,
&surface_ref, &geom_ints, &geom_reals),
"topo");
EG_free(geom_ints);
EG_free(geom_reals);
}
printf("face %d geom %d %d nloop %d\n", face + 1, face_geom_class,
face_geom_type, nloop);
for (iloop = 0; iloop < nloop; iloop++) {
/* loop through all Edges associated with this Loop */
REIS(EGADS_SUCCESS,
EG_getTopology(eloops[iloop], &loop_curve, &oclass, &mtype, NULL,
&loop_nedge, &loop_edges, &senses),
"topo");
printf(" loop %d mtype %d nedge %d\n", iloop + 1, mtype, loop_nedge);
for (iedge = 0; iedge < loop_nedge; iedge++) {
REIS(EGADS_SUCCESS,
EG_getTopology(loop_edges[iedge], &edge_ref, &oclass, &mtype,
range, &nchild, &children, &senses),
"topo");
edgeid = EG_indexBodyTopo((ego)(ref_geom->body), loop_edges[iedge]);
printf(" loop edge %d (edgeid %d) mtype %d nchild %d trange %f %f\n",
iedge + 1, edgeid, mtype, nchild, range[0], range[1]);
if (NULL == edge_ref) {
} else {
ego geom_ref;
int *geom_ints;
double *geom_reals;
REIS(EGADS_SUCCESS,
EG_getGeometry(edge_ref, &oclass, &mtype, &geom_ref, &geom_ints,
&geom_reals),
"topo");
printf(" loop edge ref geom oclass %d mtype %d\n", oclass, mtype);
if (CURVE == oclass && BSPLINE == mtype) {
printf(" bit flag %d deg %d ncp %d nkt %d\n", geom_ints[0],
geom_ints[1], geom_ints[2], geom_ints[3]);
}
EG_free(geom_ints);
EG_free(geom_reals);
if (REF_EMPTY != face_geom_type && PLANE != face_geom_type) {
REIS(EGADS_SUCCESS,
EG_getGeometry(loop_edges[iedge + loop_nedge], &oclass, &mtype,
&geom_ref, &geom_ints, &geom_reals),
"topo");
printf(" loop pcurve ref geom oclass %d mtype %d\n", oclass,
mtype);
if (PCURVE == oclass && BSPLINE == mtype) {
int knot, cp, w;
printf(" bit flag %d deg %d ncp %d nkt %d\n", geom_ints[0],
geom_ints[1], geom_ints[2], geom_ints[3]);
REIS(geom_ints[3], geom_ints[2] + geom_ints[1] + 1,
"nknot != ncp+deg+1");
if (verbose) {
for (knot = 0; knot < geom_ints[3]; knot++) {
printf("knot[%d]=%f\n", knot, geom_reals[knot]);
}
for (cp = 0; cp < geom_ints[2]; cp++) {
printf("cp[%d]=%f %f\n", cp,
geom_reals[geom_ints[3] + 0 + 2 * cp],
geom_reals[geom_ints[3] + 1 + 2 * cp]);
}
if (2 == geom_ints[0]) {
for (w = 0; w < geom_ints[3]; w++) {
printf("weight[%d]=%f\n", knot,
geom_reals[geom_ints[3] + 2 * geom_ints[2] + w]);
}
}
}
}
EG_free(geom_ints);
EG_free(geom_reals);
} else {
printf(" loop pcurve not required\n");
}
}
}
}
}
#else
printf("nothing for %s, EGADS not linked\n", __func__);
SUPRESS_UNUSED_COMPILER_WARNING(ref_geom);
#endif
return REF_SUCCESS;
}
REF_STATUS ref_egads_brep_reface(REF_GEOM ref_geom, REF_INT faceid) {
#if defined(HAVE_EGADS) && !defined(HAVE_EGADS_LITE)
ego face, newface;
ego surface;
int faceclass, facetype;
double facebounds[4];
int nloop;
ego *loops;
int *loopsenses;
int face_geom_class, face_geom_type;
int iloop;
REF_BOOL verbose = REF_TRUE;
face = ((ego *)(ref_geom->faces))[faceid - 1];
REIS(EGADS_SUCCESS,
EG_getTopology(face, &surface, &faceclass, &facetype, facebounds, &nloop,
&loops, &loopsenses),
"topo");
/* copy loop to new ego array, currently point to internal struct */
face_geom_class = REF_EMPTY;
face_geom_type = REF_EMPTY;
if (NULL != surface) {
int *geom_ints;
double *geom_reals;
ego surface_ref;
REIS(EGADS_SUCCESS,
EG_getGeometry(surface, &face_geom_class, &face_geom_type,
&surface_ref, &geom_ints, &geom_reals),
"topo");
EG_free(geom_ints);
EG_free(geom_reals);
}
if (verbose)
printf("faceid %d class %d type %d surface class %d type %d nloop %d\n",
faceid, faceclass, facetype, face_geom_class, face_geom_type, nloop);
{
ego *oldloops;
int *oldloopsenses;
oldloops = loops;
ref_malloc(loops, nloop, ego);
for (iloop = 0; iloop < nloop; iloop++) {
loops[iloop] = oldloops[iloop];
}
oldloopsenses = loopsenses;
ref_malloc(loopsenses, nloop, int);
for (iloop = 0; iloop < nloop; iloop++) {
loopsenses[iloop] = oldloopsenses[iloop];
}
}
for (iloop = 0; iloop < nloop; iloop++) {
ego loop_ref, *children;
int nchild, *children_senses, loopclass, looptype;
/* loop through all Edges associated with this Loop */
REIS(EGADS_SUCCESS,
EG_getTopology(loops[iloop], &loop_ref, &loopclass, &looptype, NULL,
&nchild, &children, &children_senses),
"topo");
/* steinmetz face 8 RAS(NULL == loop_ref, "loop ref not null"); */
if (verbose)
printf(" loop %d class %d type %d nchild %d\n", iloop + 1, loopclass,
looptype, nchild);
{
int iedge;
int childsize;
ego *oldchildren;
int *oldchildren_senses;
if (REF_EMPTY != face_geom_type && PLANE != face_geom_type) {
childsize = 2 * nchild;
} else {
childsize = nchild;
}
oldchildren = children;
ref_malloc(children, childsize, ego);
for (iedge = 0; iedge < childsize; iedge++) {
children[iedge] = oldchildren[iedge];
}
oldchildren_senses = children_senses;
ref_malloc(children_senses, nchild, int);
for (iedge = 0; iedge < nchild; iedge++) {
children_senses[iedge] = oldchildren_senses[iedge];
}
}
if (REF_EMPTY != face_geom_type && PLANE != face_geom_type) {
int iedge, ipc;
for (iedge = 0; iedge < nchild; iedge++) {
int pcurveclass, pcurvetype;
int *pcurve_ints;
double *pcurve_reals;
ego pcurve_ref = NULL;
ego pcurve, edge;
ipc = iedge + nchild;
edge = children[iedge];
pcurve = children[ipc];
REIS(EGADS_SUCCESS,
EG_getGeometry(pcurve, &pcurveclass, &pcurvetype, &pcurve_ref,
&pcurve_ints, &pcurve_reals),