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ref_geom.c
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ref_geom.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_geom.h"
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "ref_cell.h"
#include "ref_dict.h"
#include "ref_edge.h"
#include "ref_egads.h"
#include "ref_export.h"
#include "ref_gather.h"
#include "ref_grid.h"
#include "ref_malloc.h"
#include "ref_math.h"
#include "ref_matrix.h"
#include "ref_meshlink.h"
#include "ref_mpi.h"
#include "ref_node.h"
#include "ref_sort.h"
REF_STATUS ref_geom_initialize(REF_GEOM ref_geom) {
REF_INT geom;
ref_geom_n(ref_geom) = 0;
for (geom = 0; geom < ref_geom_max(ref_geom); geom++) {
ref_geom_type(ref_geom, geom) = REF_EMPTY;
ref_geom_id(ref_geom, geom) = geom + 1;
}
ref_geom_id(ref_geom, ref_geom_max(ref_geom) - 1) = REF_EMPTY;
ref_geom_blank(ref_geom) = 0;
if (NULL != (void *)(ref_geom->ref_adj))
RSS(ref_adj_free(ref_geom->ref_adj), "free to prevent leak");
RSS(ref_adj_create(&(ref_geom->ref_adj)), "create ref_adj for ref_geom");
return REF_SUCCESS;
}
REF_STATUS ref_geom_create(REF_GEOM *ref_geom_ptr) {
REF_GEOM ref_geom;
(*ref_geom_ptr) = NULL;
ref_malloc(*ref_geom_ptr, 1, REF_GEOM_STRUCT);
ref_geom = (*ref_geom_ptr);
ref_geom_max(ref_geom) = 10;
ref_malloc(ref_geom->descr, REF_GEOM_DESCR_SIZE * ref_geom_max(ref_geom),
REF_INT);
ref_malloc(ref_geom->param, 2 * ref_geom_max(ref_geom), REF_DBL);
ref_geom->ref_adj = (REF_ADJ)NULL;
RSS(ref_geom_initialize(ref_geom), "init geom list");
ref_geom->uv_area_sign = NULL;
ref_geom->initial_cell_height = NULL;
ref_geom->face_min_length = NULL;
ref_geom->face_seg_per_rad = NULL;
ref_geom->segments_per_radian_of_curvature = 2.0;
ref_geom->segments_per_bounding_box_diagonal = 10.0;
ref_geom->tolerance_protection = 100.0;
ref_geom->gap_protection = 10.0;
ref_geom->nnode = REF_EMPTY;
ref_geom->nedge = REF_EMPTY;
ref_geom->nface = REF_EMPTY;
ref_geom->zip_pcurve = REF_FALSE;
ref_geom->effective = REF_FALSE;
ref_geom->effective_curvature = REF_TRUE;
ref_geom->manifold = REF_TRUE;
ref_geom->contex_owned = REF_TRUE;
ref_geom->context = NULL;
RSS(ref_egads_open(ref_geom), "open egads");
ref_geom->model = NULL;
ref_geom->body = NULL;
ref_geom->faces = NULL;
ref_geom->edges = NULL;
ref_geom->nodes = NULL;
ref_geom->pcurves = NULL;
ref_geom->e2f = NULL;
ref_geom->cad_data_size = 0;
ref_geom->cad_data = (REF_BYTE *)NULL;
ref_geom->meshlink = NULL;
ref_geom->meshlink_projection = NULL;
ref_geom->ref_facelift = NULL;
return REF_SUCCESS;
}
REF_STATUS ref_geom_free(REF_GEOM ref_geom) {
if (NULL == (void *)ref_geom) return REF_NULL;
ref_facelift_free(ref_geom_facelift(ref_geom));
ref_free(ref_geom->cad_data);
ref_free(ref_geom->e2f);
if (ref_geom->contex_owned)
RSS(ref_egads_close(ref_geom), "close egads contex");
RSS(ref_adj_free(ref_geom->ref_adj), "adj free");
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);
ref_free(ref_geom->param);
ref_free(ref_geom->descr);
ref_free(ref_geom);
return REF_SUCCESS;
}
REF_STATUS ref_geom_deep_copy(REF_GEOM *ref_geom_ptr, REF_GEOM original) {
REF_GEOM ref_geom;
REF_INT geom, i;
(*ref_geom_ptr) = NULL;
ref_malloc(*ref_geom_ptr, 1, REF_GEOM_STRUCT);
ref_geom = (*ref_geom_ptr);
ref_geom_n(ref_geom) = ref_geom_n(original);
ref_geom_max(ref_geom) = ref_geom_max(original);
ref_malloc(ref_geom->descr, REF_GEOM_DESCR_SIZE * ref_geom_max(ref_geom),
REF_INT);
ref_malloc(ref_geom->param, 2 * ref_geom_max(ref_geom), REF_DBL);
ref_geom->uv_area_sign = NULL;
ref_geom->initial_cell_height = NULL;
ref_geom->face_min_length = NULL;
ref_geom->face_seg_per_rad = NULL;
ref_geom->segments_per_radian_of_curvature =
original->segments_per_radian_of_curvature;
ref_geom->segments_per_bounding_box_diagonal =
original->segments_per_bounding_box_diagonal;
ref_geom->tolerance_protection = original->tolerance_protection;
ref_geom->gap_protection = original->gap_protection;
for (geom = 0; geom < ref_geom_max(ref_geom); geom++)
for (i = 0; i < REF_GEOM_DESCR_SIZE; i++)
ref_geom_descr(ref_geom, i, geom) = ref_geom_descr(original, i, geom);
ref_geom_blank(ref_geom) = ref_geom_blank(original);
for (geom = 0; geom < ref_geom_max(ref_geom); geom++)
for (i = 0; i < 2; i++)
ref_geom_param(ref_geom, i, geom) = ref_geom_param(original, i, geom);
RSS(ref_adj_deep_copy(&(ref_geom->ref_adj), original->ref_adj),
"deep copy ref_adj for ref_geom");
ref_geom->zip_pcurve = original->zip_pcurve;
ref_geom->contex_owned = REF_FALSE;
RSS(ref_geom_share_context(ref_geom, original), "share egads");
ref_geom->cad_data_size = 0;
ref_geom->cad_data = (REF_BYTE *)NULL;
ref_geom->meshlink = NULL;
ref_geom->meshlink_projection = NULL;
ref_geom->ref_facelift = NULL;
return REF_SUCCESS;
}
REF_STATUS ref_geom_share_context(REF_GEOM ref_geom_recipient,
REF_GEOM ref_geom_donor) {
if (ref_geom_recipient->contex_owned)
RSS(ref_egads_close(ref_geom_recipient), "close egads contex");
ref_geom_recipient->contex_owned = REF_FALSE;
ref_geom_recipient->nnode = ref_geom_donor->nnode;
ref_geom_recipient->nedge = ref_geom_donor->nedge;
ref_geom_recipient->nface = ref_geom_donor->nface;
ref_geom_recipient->effective = ref_geom_donor->effective;
ref_geom_recipient->effective_curvature = ref_geom_donor->effective_curvature;
ref_geom_recipient->manifold = ref_geom_donor->manifold;
ref_geom_recipient->context = ref_geom_donor->context;
ref_geom_recipient->model = ref_geom_donor->model;
ref_geom_recipient->body = ref_geom_donor->body;
ref_geom_recipient->faces = ref_geom_donor->faces;
ref_geom_recipient->edges = ref_geom_donor->edges;
ref_geom_recipient->nodes = ref_geom_donor->nodes;
ref_geom_recipient->pcurves = ref_geom_donor->pcurves;
if (NULL == ref_geom_donor->e2f) {
ref_geom_recipient->e2f = NULL;
} else {
REF_INT i;
ref_malloc(ref_geom_recipient->e2f, 2 * ref_geom_recipient->nedge, REF_INT);
for (i = 0; i < 2 * ref_geom_recipient->nedge; i++)
ref_geom_recipient->e2f[i] = ref_geom_donor->e2f[i];
}
return REF_SUCCESS;
}
REF_STATUS ref_geom_pack(REF_GEOM ref_geom, REF_INT *o2n) {
REF_INT geom, compact, i;
compact = 0;
each_ref_geom(ref_geom, geom) {
for (i = 0; i < REF_GEOM_DESCR_SIZE; i++)
ref_geom_descr(ref_geom, i, compact) = ref_geom_descr(ref_geom, i, geom);
ref_geom_node(ref_geom, compact) = o2n[ref_geom_node(ref_geom, geom)];
for (i = 0; i < 2; i++)
ref_geom_param(ref_geom, i, compact) = ref_geom_param(ref_geom, i, geom);
compact++;
}
REIS(compact, ref_geom_n(ref_geom), "count mismatch");
if (ref_geom_n(ref_geom) < ref_geom_max(ref_geom)) {
for (geom = ref_geom_n(ref_geom); geom < ref_geom_max(ref_geom); geom++) {
ref_geom_type(ref_geom, geom) = REF_EMPTY;
ref_geom_id(ref_geom, geom) = geom + 1;
}
ref_geom_id(ref_geom, ref_geom_max(ref_geom) - 1) = REF_EMPTY;
ref_geom_blank(ref_geom) = ref_geom_n(ref_geom);
} else {
ref_geom_blank(ref_geom) = REF_EMPTY;
}
RSS(ref_adj_free(ref_geom->ref_adj), "free to prevent leak");
RSS(ref_adj_create(&(ref_geom->ref_adj)), "create ref_adj for ref_geom");
each_ref_geom(ref_geom, geom) {
RSS(ref_adj_add(ref_geom->ref_adj, ref_geom_node(ref_geom, geom), geom),
"register geom");
}
return REF_SUCCESS;
}
REF_STATUS ref_geom_uv_area(REF_GEOM ref_geom, REF_INT *nodes,
REF_DBL *uv_area) {
REF_DBL uv0[2], uv1[2], uv2[2];
REF_INT sens;
double a, b, c, d;
RSS(ref_geom_cell_tuv(ref_geom, nodes[0], nodes, REF_GEOM_FACE, uv0, &sens),
"uv0");
RSS(ref_geom_cell_tuv(ref_geom, nodes[1], nodes, REF_GEOM_FACE, uv1, &sens),
"uv1");
RSS(ref_geom_cell_tuv(ref_geom, nodes[2], nodes, REF_GEOM_FACE, uv2, &sens),
"uv2");
a = uv0[0] - uv2[0];
b = uv0[1] - uv2[1];
c = uv1[0] - uv2[0];
d = uv1[1] - uv2[1];
*uv_area = 0.5 * (a * d - b * c);
return REF_SUCCESS;
}
REF_STATUS ref_geom_uv_area_sign(REF_GRID ref_grid, REF_INT id, REF_DBL *sign) {
REF_GEOM ref_geom = ref_grid_geom(ref_grid);
if (NULL == ((ref_geom)->uv_area_sign)) {
REF_CELL ref_cell = ref_grid_tri(ref_grid);
REF_INT face;
REF_INT cell, nodes[REF_CELL_MAX_SIZE_PER];
REF_DBL uv_area;
if (REF_EMPTY == ref_geom->nface)
RSS(ref_geom_infer_nedge_nface(ref_grid), "infer counts");
ref_malloc_init(ref_geom->uv_area_sign, ref_geom->nface, REF_DBL, 0.0);
each_ref_cell_valid_cell_with_nodes(ref_cell, cell, nodes) {
face = nodes[3];
if (face < 1 || ref_geom->nface < face) continue;
RSS(ref_geom_uv_area(ref_geom, nodes, &uv_area), "uv area");
if (uv_area < 0.0) {
((ref_geom)->uv_area_sign)[face - 1] -= 1.0;
} else {
((ref_geom)->uv_area_sign)[face - 1] += 1.0;
}
}
for (face = 0; face < ref_geom->nface; face++) {
if (((ref_geom)->uv_area_sign)[face] < 0.0) {
((ref_geom)->uv_area_sign)[face] = -1.0;
} else {
((ref_geom)->uv_area_sign)[face] = 1.0;
}
}
}
if (id < 1 || id > ref_geom->nface) return REF_INVALID;
*sign = ((ref_geom)->uv_area_sign)[id - 1];
return REF_SUCCESS;
}
REF_STATUS ref_geom_uv_area_report(REF_GRID ref_grid) {
REF_GEOM ref_geom = ref_grid_geom(ref_grid);
REF_CELL ref_cell = ref_grid_tri(ref_grid);
REF_INT geom, id, min_id, max_id;
REF_INT cell, nodes[REF_CELL_MAX_SIZE_PER];
REF_BOOL no_cell;
REF_DBL uv_area, total_uv_area, min_uv_area, max_uv_area, sign_uv_area;
REF_INT n_neg, n_pos;
min_id = REF_INT_MAX;
max_id = REF_INT_MIN;
each_ref_geom_face(ref_geom, geom) {
min_id = MIN(min_id, ref_geom_id(ref_geom, geom));
max_id = MAX(max_id, ref_geom_id(ref_geom, geom));
}
for (id = min_id; id <= max_id; id++) {
no_cell = REF_TRUE;
total_uv_area = 0.0;
min_uv_area = 0.0;
max_uv_area = 0.0;
n_neg = 0;
n_pos = 0;
each_ref_cell_valid_cell_with_nodes(ref_cell, cell, nodes) {
if (id == nodes[3]) {
RSS(ref_geom_uv_area(ref_geom, nodes, &uv_area), "uv area");
total_uv_area += uv_area;
if (no_cell) {
min_uv_area = uv_area;
max_uv_area = uv_area;
no_cell = REF_FALSE;
} else {
min_uv_area = MIN(min_uv_area, uv_area);
max_uv_area = MAX(max_uv_area, uv_area);
}
if (uv_area < 0.0) {
n_neg++;
} else {
n_pos++;
}
}
}
if (!no_cell) {
RSS(ref_geom_uv_area_sign(ref_grid, id, &sign_uv_area), "sign");
printf("face%5d: %4.1f %9.2e total (%10.3e,%10.3e) %d + %d -\n", id,
sign_uv_area, total_uv_area, min_uv_area, max_uv_area, n_pos,
n_neg);
}
}
return REF_SUCCESS;
}
REF_STATUS ref_geom_inspect(REF_GEOM ref_geom) {
REF_INT geom;
printf("ref_geom = %p\n", (void *)ref_geom);
printf(" n = %d, max = %d\n", ref_geom_n(ref_geom), ref_geom_max(ref_geom));
for (geom = 0; geom < ref_geom_max(ref_geom); geom++) {
switch (ref_geom_type(ref_geom, geom)) {
case REF_GEOM_NODE:
printf("%d node: %d id, %d jump, %d degen, %d global\n", geom,
ref_geom_id(ref_geom, geom), ref_geom_jump(ref_geom, geom),
ref_geom_degen(ref_geom, geom), ref_geom_node(ref_geom, geom));
break;
case REF_GEOM_EDGE:
printf("%d edge: %d id, %d jump, %d degen, %d global, t=%e\n", geom,
ref_geom_id(ref_geom, geom), ref_geom_jump(ref_geom, geom),
ref_geom_node(ref_geom, geom), ref_geom_degen(ref_geom, geom),
ref_geom_param(ref_geom, 0, geom));
break;
case REF_GEOM_FACE:
printf("%d face: %d id, %d jump, %d degen, %d global, uv= %e %e\n",
geom, ref_geom_id(ref_geom, geom), ref_geom_jump(ref_geom, geom),
ref_geom_node(ref_geom, geom), ref_geom_degen(ref_geom, geom),
ref_geom_param(ref_geom, 0, geom),
ref_geom_param(ref_geom, 1, geom));
break;
}
}
return REF_SUCCESS;
}
REF_STATUS ref_geom_tattle(REF_GEOM ref_geom, REF_INT node) {
REF_INT item, geom;
printf(" tattle on node = %d\n", node);
each_ref_adj_node_item_with_ref(ref_geom_adj(ref_geom), node, item, geom) {
switch (ref_geom_type(ref_geom, geom)) {
case REF_GEOM_NODE:
printf("%d node: %d id, %d jump, %d degen, %d global\n", geom,
ref_geom_id(ref_geom, geom), ref_geom_jump(ref_geom, geom),
ref_geom_degen(ref_geom, geom), ref_geom_node(ref_geom, geom));
break;
case REF_GEOM_EDGE:
printf("%d edge: %d id, %d jump, %d degen, %d global, t=%e\n", geom,
ref_geom_id(ref_geom, geom), ref_geom_jump(ref_geom, geom),
ref_geom_degen(ref_geom, geom), ref_geom_node(ref_geom, geom),
ref_geom_param(ref_geom, 0, geom));
break;
case REF_GEOM_FACE:
printf("%d face: %d id, %d jump, %d degen, %d global, uv= %e %e\n",
geom, ref_geom_id(ref_geom, geom), ref_geom_jump(ref_geom, geom),
ref_geom_degen(ref_geom, geom), ref_geom_node(ref_geom, geom),
ref_geom_param(ref_geom, 0, geom),
ref_geom_param(ref_geom, 1, geom));
break;
}
}
return REF_SUCCESS;
}
REF_STATUS ref_geom_supported(REF_GEOM ref_geom, REF_INT node,
REF_BOOL *has_support) {
*has_support = !ref_adj_empty(ref_geom_adj(ref_geom), node);
return REF_SUCCESS;
}
REF_STATUS ref_geom_tri_supported(REF_GEOM ref_geom, REF_INT *nodes,
REF_BOOL *has_support) {
REF_INT node, id, geom;
REF_STATUS status;
*has_support = REF_FALSE;
node = nodes[0];
id = nodes[3];
status = ref_geom_find(ref_geom, node, REF_GEOM_FACE, id, &geom);
if (REF_NOT_FOUND == status) { /* no geom support */
*has_support = REF_FALSE;
return REF_SUCCESS;
}
RSS(status, "error testing geom support");
*has_support = REF_TRUE;
return REF_SUCCESS;
}
REF_STATUS ref_geom_id_supported(REF_GEOM ref_geom, REF_INT node, REF_INT type,
REF_INT id, REF_BOOL *has_support) {
REF_INT geom;
REF_STATUS status;
*has_support = REF_FALSE;
status = ref_geom_find(ref_geom, node, type, id, &geom);
if (REF_NOT_FOUND == status) { /* no geom support */
*has_support = REF_FALSE;
return REF_SUCCESS;
}
RSS(status, "error testing geom support");
*has_support = REF_TRUE;
return REF_SUCCESS;
}
static REF_STATUS ref_geom_grow(REF_GEOM ref_geom) {
REF_INT geom;
REF_INT orig, chunk;
REF_INT max_limit = REF_INT_MAX / 3;
if (REF_EMPTY != ref_geom_blank(ref_geom)) {
return REF_SUCCESS;
}
RAS(ref_geom_max(ref_geom) != max_limit,
"the number of geoms is too large for integers, cannot grow");
orig = ref_geom_max(ref_geom);
/* geometric growth for efficiency */
chunk = MAX(1000, (REF_INT)(1.5 * (REF_DBL)orig));
/* try to keep under 32-bit limit */
RAS(max_limit - orig > 0, "chunk limit at max");
chunk = MIN(chunk, max_limit - orig);
ref_geom_max(ref_geom) = orig + chunk;
ref_realloc(ref_geom->descr, REF_GEOM_DESCR_SIZE * ref_geom_max(ref_geom),
REF_INT);
ref_realloc(ref_geom->param, 2 * ref_geom_max(ref_geom), REF_DBL);
for (geom = orig; geom < ref_geom_max(ref_geom); geom++) {
ref_geom_type(ref_geom, geom) = REF_EMPTY;
ref_geom_id(ref_geom, geom) = geom + 1;
}
ref_geom_id(ref_geom, ref_geom_max(ref_geom) - 1) = REF_EMPTY;
ref_geom_blank(ref_geom) = orig;
return REF_SUCCESS;
}
REF_STATUS ref_geom_add_with_descr(REF_GEOM ref_geom, REF_INT *descr,
REF_DBL *param) {
REF_INT type, id, gref, jump, degen, node, geom;
type = descr[REF_GEOM_DESCR_TYPE];
id = descr[REF_GEOM_DESCR_ID];
gref = descr[REF_GEOM_DESCR_GREF];
jump = descr[REF_GEOM_DESCR_JUMP];
degen = descr[REF_GEOM_DESCR_DEGEN];
node = descr[REF_GEOM_DESCR_NODE];
RSS(ref_geom_add(ref_geom, node, type, id, param), "geom add");
RSS(ref_geom_find(ref_geom, node, type, id, &geom), "geom find");
ref_geom_gref(ref_geom, geom) = gref;
ref_geom_degen(ref_geom, geom) = degen;
ref_geom_jump(ref_geom, geom) = jump;
return REF_SUCCESS;
}
REF_STATUS ref_geom_add(REF_GEOM ref_geom, REF_INT node, REF_INT type,
REF_INT id, REF_DBL *param) {
REF_INT geom;
REF_STATUS status;
if (type < 0 || 2 < type) return REF_INVALID;
status = ref_geom_find(ref_geom, node, type, id, &geom);
RXS(status, REF_NOT_FOUND, "find failed");
if (REF_SUCCESS == status) {
if (type > 0) ref_geom_param(ref_geom, 0, geom) = param[0];
if (type > 1) ref_geom_param(ref_geom, 1, geom) = param[1];
return REF_SUCCESS;
}
if (REF_EMPTY == ref_geom_blank(ref_geom)) {
RSS(ref_geom_grow(ref_geom), "grow add");
}
geom = ref_geom_blank(ref_geom);
ref_geom_blank(ref_geom) = ref_geom_id(ref_geom, geom);
ref_geom_type(ref_geom, geom) = type;
ref_geom_id(ref_geom, geom) = id;
ref_geom_gref(ref_geom, geom) = id; /* assume same until set */
ref_geom_jump(ref_geom, geom) = 0;
ref_geom_degen(ref_geom, geom) = 0;
ref_geom_node(ref_geom, geom) = node;
ref_geom_param(ref_geom, 0, geom) = 0.0;
ref_geom_param(ref_geom, 1, geom) = 0.0;
if (type > 0) ref_geom_param(ref_geom, 0, geom) = param[0];
if (type > 1) ref_geom_param(ref_geom, 1, geom) = param[1];
RSB(ref_adj_add(ref_geom->ref_adj, node, geom), "register geom", {
printf("register node %d geom %d type %d id %d\n",
ref_geom_node(ref_geom, geom), geom, ref_geom_type(ref_geom, geom),
ref_geom_id(ref_geom, geom));
});
ref_geom_n(ref_geom)++;
return REF_SUCCESS;
}
REF_STATUS ref_geom_remove(REF_GEOM ref_geom, REF_INT geom) {
REF_ADJ ref_adj = ref_geom_adj(ref_geom);
REF_INT node;
if (geom < 0 || ref_geom_max(ref_geom) <= geom) return REF_INVALID;
if (REF_EMPTY == ref_geom_type(ref_geom, geom)) return REF_INVALID;
node = ref_geom_node(ref_geom, geom);
RSS(ref_adj_remove(ref_adj, node, geom), "unregister geom");
ref_geom_type(ref_geom, geom) = REF_EMPTY;
ref_geom_id(ref_geom, geom) = ref_geom_blank(ref_geom);
ref_geom_blank(ref_geom) = geom;
ref_geom_n(ref_geom)--;
return REF_SUCCESS;
}
REF_STATUS ref_geom_remove_all(REF_GEOM ref_geom, REF_INT node) {
REF_ADJ ref_adj = ref_geom_adj(ref_geom);
REF_INT item, geom;
item = ref_adj_first(ref_adj, node);
while (ref_adj_valid(item)) {
geom = ref_adj_item_ref(ref_adj, item);
RSS(ref_geom_remove(ref_geom, geom), "remove");
item = ref_adj_first(ref_adj, node);
}
return REF_SUCCESS;
}
REF_STATUS ref_geom_remove_without_cell(REF_GRID ref_grid, REF_INT node) {
REF_GEOM ref_geom = ref_grid_geom(ref_grid);
REF_ADJ ref_adj = ref_geom_adj(ref_geom);
REF_CELL ref_cell;
REF_INT type, item, geom, group;
REF_BOOL supported_by_cell;
item = ref_adj_first(ref_adj, node);
while (ref_adj_valid(item)) {
geom = ref_adj_item_ref(ref_adj, item);
type = ref_geom_type(ref_geom, geom);
switch (type) {
case REF_GEOM_NODE:
item = ref_adj_item_next(ref_adj, item);
break;
case REF_GEOM_EDGE:
supported_by_cell = REF_FALSE;
each_ref_grid_edge_ref_cell(ref_grid, group, ref_cell) {
supported_by_cell =
(supported_by_cell || !ref_cell_node_empty(ref_cell, node));
}
if (supported_by_cell) {
item = ref_adj_item_next(ref_adj, item);
} else {
RSS(ref_geom_remove(ref_geom, geom), "remove");
item = ref_adj_first(ref_adj, node);
}
break;
case REF_GEOM_FACE:
supported_by_cell = REF_FALSE;
each_ref_grid_face_ref_cell(ref_grid, group, ref_cell) {
supported_by_cell =
(supported_by_cell || !ref_cell_node_empty(ref_cell, node));
}
if (supported_by_cell) {
item = ref_adj_item_next(ref_adj, item);
} else {
RSS(ref_geom_remove(ref_geom, geom), "remove");
item = ref_adj_first(ref_adj, node);
}
break;
default:
RSS(REF_IMPLEMENT, "can't to geom type yet");
}
}
return REF_SUCCESS;
}
REF_STATUS ref_geom_is_a(REF_GEOM ref_geom, REF_INT node, REF_INT type,
REF_BOOL *it_is) {
REF_INT item, geom;
*it_is = REF_FALSE;
each_ref_adj_node_item_with_ref(ref_geom_adj(ref_geom), node, item, geom) {
if (type == ref_geom_type(ref_geom, geom)) {
*it_is = REF_TRUE;
return REF_SUCCESS;
}
}
return REF_SUCCESS;
}
REF_STATUS ref_geom_unique_id(REF_GEOM ref_geom, REF_INT node, REF_INT type,
REF_INT *id) {
REF_INT item, geom;
REF_BOOL found_one;
found_one = REF_FALSE;
each_ref_adj_node_item_with_ref(ref_geom_adj(ref_geom), node, item, geom) {
if (type == ref_geom_type(ref_geom, geom)) {
if (found_one) return REF_INVALID; /* second one makes invalid */
found_one = REF_TRUE;
*id = ref_geom_id(ref_geom, geom);
}
}
if (found_one) return REF_SUCCESS;
return REF_NOT_FOUND;
}
REF_STATUS ref_geom_find(REF_GEOM ref_geom, REF_INT node, REF_INT type,
REF_INT id, REF_INT *found) {
REF_INT item, geom;
*found = REF_EMPTY;
each_ref_adj_node_item_with_ref(ref_geom_adj(ref_geom), node, item, geom) {
if (type == ref_geom_type(ref_geom, geom) &&
id == ref_geom_id(ref_geom, geom)) {
*found = geom;
return REF_SUCCESS;
}
}
return REF_NOT_FOUND;
}
REF_STATUS ref_geom_tuv(REF_GEOM ref_geom, REF_INT node, REF_INT type,
REF_INT id, REF_DBL *param) {
REF_INT geom;
RSS(ref_geom_find(ref_geom, node, type, id, &geom), "not found");
REIS(0, ref_geom_jump(ref_geom, geom), "use ref_geom_cell_tuv for jumps");
REIS(0, ref_geom_degen(ref_geom, geom), "use ref_geom_cell_tuv for degen");
if (type > 0) param[0] = ref_geom_param(ref_geom, 0, geom);
if (type > 1) param[1] = ref_geom_param(ref_geom, 1, geom);
return REF_SUCCESS;
}
REF_STATUS ref_geom_cell_tuv_supported(REF_GEOM ref_geom, REF_INT *nodes,
REF_INT type, REF_BOOL *supported) {
REF_INT node_per;
REF_INT id, geom0, geom1, geom2;
REF_BOOL tri_supported;
*supported = REF_TRUE;
RAS(1 <= type && type <= 2, "type not allowed");
node_per = type + 1;
id = nodes[node_per];
/* protects unsupported meshlink tri */
if (REF_GEOM_FACE == type) {
RSS(ref_geom_tri_supported(ref_geom, nodes, &tri_supported), "tri support");
if (!tri_supported) { /* no geom support */
*supported = 1.0;
return REF_SUCCESS;
}
}
switch (type) {
case REF_GEOM_EDGE:
RSS(ref_geom_find(ref_geom, nodes[0], type, id, &geom0), "not found");
RSS(ref_geom_find(ref_geom, nodes[1], type, id, &geom1), "not found");
if ((0 != ref_geom_jump(ref_geom, geom0) ||
0 != ref_geom_degen(ref_geom, geom0)) &&
(0 != ref_geom_jump(ref_geom, geom1) ||
0 != ref_geom_degen(ref_geom, geom1))) {
*supported = REF_FALSE;
}
break;
case REF_GEOM_FACE:
RSS(ref_geom_find(ref_geom, nodes[0], type, id, &geom0), "not found");
RSS(ref_geom_find(ref_geom, nodes[1], type, id, &geom1), "not found");
RSS(ref_geom_find(ref_geom, nodes[2], type, id, &geom2), "not found");
if ((0 != ref_geom_jump(ref_geom, geom0) ||
0 != ref_geom_degen(ref_geom, geom0)) &&
(0 != ref_geom_jump(ref_geom, geom1) ||
0 != ref_geom_degen(ref_geom, geom1)) &&
(0 != ref_geom_jump(ref_geom, geom2) ||
0 != ref_geom_degen(ref_geom, geom2))) {
*supported = REF_FALSE;
}
break;
default:
RSS(REF_IMPLEMENT, "can't to geom type yet");
}
return REF_SUCCESS;
}
REF_STATUS ref_geom_cell_tuv(REF_GEOM ref_geom, REF_INT node, REF_INT *nodes,
REF_INT type, REF_DBL *param, REF_INT *sens) {
REF_INT node_per;
REF_INT id, edgeid, geom, from, from_geom;
REF_INT node_index, cell_node;
double trange[2], uv[2], uv0[2], uv1[2], uvtmin[2], uvtmax[2];
REF_DBL from_param[2], t;
REF_DBL dist0, dist1;
REF_INT hits;
RAS(1 <= type && type <= 2, "type not allowed");
node_per = type + 1;
id = nodes[node_per];
node_index = REF_EMPTY;
for (cell_node = 0; cell_node < node_per; cell_node++) {
if (node == nodes[cell_node]) {
REIS(REF_EMPTY, node_index, "node found twice in nodes");
node_index = cell_node;
}
}
RAS(REF_EMPTY != node_index, "node not found in nodes");
RSB(ref_geom_find(ref_geom, node, type, id, &geom), "not found", {
printf(" %d type %d id\n", type, id);
ref_geom_tattle(ref_geom, node);
});
if (0 == ref_geom_jump(ref_geom, geom) &&
0 == ref_geom_degen(ref_geom, geom)) {
if (type > 0) param[0] = ref_geom_param(ref_geom, 0, geom);
if (type > 1) param[1] = ref_geom_param(ref_geom, 1, geom);
*sens = 0;
return REF_SUCCESS;
}
switch (type) {
case REF_GEOM_EDGE:
RSS(ref_egads_edge_trange(ref_geom, id, trange), "trange");
from = nodes[1 - node_index];
RSS(ref_geom_tuv(ref_geom, from, type, id, from_param), "from tuv");
dist0 = from_param[0] - trange[0];
dist1 = trange[1] - from_param[0];
if (dist0 < 0.0 || dist1 < 0.0) {
printf(" from t = %e %e %e, dist = %e %e\n", trange[0], from_param[0],
trange[1], dist0, dist1);
THROW("from node not in trange");
}
if (dist0 < dist1) {
*sens = 1;
param[0] = trange[0];
} else {
*sens = -1;
param[0] = trange[1];
}
break;
case REF_GEOM_FACE:
if (0 == ref_geom_degen(ref_geom, geom)) {
from = REF_EMPTY;
for (cell_node = 0; cell_node < node_per; cell_node++) {
RSS(ref_geom_find(ref_geom, nodes[cell_node], type, id, &from_geom),
"not found");
if (node_index != cell_node &&
0 == ref_geom_jump(ref_geom, from_geom) &&
0 == ref_geom_degen(ref_geom, from_geom)) {
from = nodes[cell_node];
}
}
RAB(REF_EMPTY != from, "can't find from tuv in tri cell", {
ref_geom_tattle(ref_geom, nodes[0]);
ref_geom_tattle(ref_geom, nodes[1]);
ref_geom_tattle(ref_geom, nodes[2]);
printf("faceid %d node %d node_index %d\n", id, node, node_index);
});
edgeid = ref_geom_jump(ref_geom, geom);
RSS(ref_geom_tuv(ref_geom, from, REF_GEOM_FACE, id, uv), "from uv");
RSS(ref_geom_tuv(ref_geom, node, REF_GEOM_EDGE, edgeid, &t), "edge t0");
RSS(ref_egads_edge_face_uv(ref_geom, edgeid, id, 1, t, uv0), "uv 1");
RSS(ref_egads_edge_face_uv(ref_geom, edgeid, id, -1, t, uv1), "uv -1");
dist0 = sqrt(pow(uv0[0] - uv[0], 2) + pow(uv0[1] - uv[1], 2));
dist1 = sqrt(pow(uv1[0] - uv[0], 2) + pow(uv1[1] - uv[1], 2));
if (dist0 < dist1) {
*sens = 1;
param[0] = uv0[0];
param[1] = uv0[1];
} else {
*sens = -1;
param[0] = uv1[0];
param[1] = uv1[1];
}
} else {
uv0[0] = 0.0;
uv0[1] = 0.0;
hits = 0;
for (cell_node = 0; cell_node < node_per; cell_node++) {
RSS(ref_geom_find(ref_geom, nodes[cell_node], type, id, &from_geom),
"not found");
if (0 == ref_geom_jump(ref_geom, from_geom) &&
0 == ref_geom_degen(ref_geom, from_geom)) {
RSS(ref_geom_tuv(ref_geom, nodes[cell_node], REF_GEOM_FACE, id, uv),
"from uv");
uv0[0] += uv[0];
uv0[1] += uv[1];
hits++;
}
}
RAS(0 < hits, "no seed uv found for DEGEN");
uv0[0] /= (REF_DBL)hits;
uv0[1] /= (REF_DBL)hits;
*sens = 0;
edgeid = ABS(ref_geom_degen(ref_geom, geom));
RSS(ref_egads_edge_trange(ref_geom, edgeid, trange), "trange");
RSS(ref_egads_edge_face_uv(ref_geom, edgeid,
ref_geom_id(ref_geom, geom), *sens,
trange[0], uvtmin),
"uv t min");
RSS(ref_egads_edge_face_uv(ref_geom, edgeid,
ref_geom_id(ref_geom, geom), *sens,
trange[1], uvtmax),
"uv t max");
/* edgeid sign convention defined in ref_geom_mark_jump_degen */
if (0 < ref_geom_degen(ref_geom, geom)) {
param[0] = ref_geom_param(ref_geom, 0, geom);
param[1] = uv0[1];
param[1] = MAX(param[1], MIN(uvtmin[1], uvtmax[1]));
param[1] = MIN(param[1], MAX(uvtmin[1], uvtmax[1]));
} else {
param[0] = uv0[0];
param[0] = MAX(param[0], MIN(uvtmin[0], uvtmax[0]));
param[0] = MIN(param[0], MAX(uvtmin[0], uvtmax[0]));
param[1] = ref_geom_param(ref_geom, 1, geom);
}
}
break;
default:
RSS(REF_IMPLEMENT, "can't to geom type yet");
}
return REF_SUCCESS;
}
static REF_STATUS ref_geom_eval_edge_face_uv(REF_GRID ref_grid,
REF_INT edge_geom) {
REF_CELL ref_cell = ref_grid_tri(ref_grid);
REF_GEOM ref_geom = ref_grid_geom(ref_grid);
REF_ADJ ref_adj = ref_geom_adj(ref_geom);
REF_INT node, cell_item, geom_item, cell, face_geom;
REF_INT nodes[REF_CELL_MAX_SIZE_PER];
double t;
double uv[2], edgeuv[2];
int sense;
REF_INT faceid;
REF_BOOL have_jump;
if (edge_geom < 0 || ref_geom_max(ref_geom) <= edge_geom) return REF_INVALID;
if (REF_GEOM_EDGE != ref_geom_type(ref_geom, edge_geom)) return REF_INVALID;
t = ref_geom_param(ref_geom, 0, edge_geom);
node = ref_geom_node(ref_geom, edge_geom);
have_jump = REF_FALSE;
each_ref_adj_node_item_with_ref(ref_adj, node, geom_item, face_geom) {
if (REF_GEOM_FACE == ref_geom_type(ref_geom, face_geom)) {
have_jump = have_jump || (0 != ref_geom_jump(ref_geom, face_geom));
}
}
if (have_jump) {
/* uv update at jump not needed, should always depend on cell_c2n */
/* keeping for consistency with non-jump */
each_ref_cell_having_node(ref_cell, node, cell_item, cell) {
RSS(ref_cell_nodes(ref_cell, cell, nodes), "cell nodes");
faceid = nodes[3];
RSS(ref_geom_cell_tuv(ref_geom, node, nodes, REF_GEOM_FACE, uv, &sense),
"cell uv");
if (1 == sense) { /* sense to use is arbitrary */
each_ref_adj_node_item_with_ref(ref_adj, node, geom_item, face_geom) {
if (REF_GEOM_FACE == ref_geom_type(ref_geom, face_geom) &&
faceid == ref_geom_id(ref_geom, face_geom)) {
ref_geom_param(ref_geom, 0, face_geom) = uv[0];
ref_geom_param(ref_geom, 1, face_geom) = uv[1];
}
}
}
}
} else {
each_ref_adj_node_item_with_ref(ref_adj, node, geom_item, face_geom) {
if (REF_GEOM_FACE == ref_geom_type(ref_geom, face_geom)) {
faceid = ref_geom_id(ref_geom, face_geom);
sense = 0;
RSS(ref_egads_edge_face_uv(ref_geom, ref_geom_id(ref_geom, edge_geom),
faceid, sense, t, edgeuv),
"edge uv");
ref_geom_param(ref_geom, 0, face_geom) = edgeuv[0];
ref_geom_param(ref_geom, 1, face_geom) = edgeuv[1];
}
}
}
return REF_SUCCESS;
}
static REF_STATUS ref_geom_add_constrain_inside_midnode(REF_GRID ref_grid,
REF_INT *nodes,
REF_INT new_node) {
REF_NODE ref_node = ref_grid_node(ref_grid);
REF_GEOM ref_geom = ref_grid_geom(ref_grid);
REF_INT type, id;
REF_DBL uv[2], uv0[2], uv1[2], uv2[2];
REF_INT sense;
type = REF_GEOM_FACE;
id = nodes[3];
RSS(ref_geom_cell_tuv(ref_geom, nodes[0], nodes, type, uv0, &sense),
"cell uv0");
RSS(ref_geom_cell_tuv(ref_geom, nodes[1], nodes, type, uv1, &sense),
"cell uv1");
RSS(ref_geom_cell_tuv(ref_geom, nodes[2], nodes, type, uv2, &sense),
"cell uv2");
uv[0] = (uv0[0] + uv1[0] + uv2[0]) / 3.0;
uv[1] = (uv0[1] + uv1[1] + uv2[1]) / 3.0;
RSS(ref_geom_add(ref_geom, new_node, type, id, uv), "new geom");
RSS(ref_egads_eval_at(ref_geom, type, id, uv,
ref_node_xyz_ptr(ref_node, new_node), NULL),
"eval");
return REF_SUCCESS;
}
REF_STATUS ref_geom_between_face_area(REF_GRID ref_grid, REF_INT node0,
REF_INT node1, REF_INT new_node,
const char *msg) {
REF_GEOM ref_geom = ref_grid_geom(ref_grid);
REF_CELL ref_cell = ref_grid_tri(ref_grid);
REF_INT nodes2[REF_CELL_MAX_SIZE_PER];
REF_INT nodes3[REF_CELL_MAX_SIZE_PER];
REF_INT type, id, node;
REF_INT ncell, cells[2];
REF_DBL uv_area2, uv_area3, uv_area_sign;
REF_DBL uv_area20, uv_area21;
REF_DBL uv_area30, uv_area31;
type = REF_GEOM_FACE;
RSS(ref_geom_unique_id(ref_geom, new_node, type, &id), "unique face id");
RSS(ref_geom_uv_area_sign(ref_grid, id, &uv_area_sign), "uv area sign");
RSS(ref_cell_list_with2(ref_cell, node0, node1, 2, &ncell, cells), "list");
REIS(2, ncell, "expected two tri for box2 nodes");
RSS(ref_cell_nodes(ref_cell, cells[0], nodes2), "cell nodes");