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ref_layer.c
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ref_layer.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_layer.h"
#include <stdio.h>
#include <stdlib.h>
#include "ref_malloc.h"
#include "ref_math.h"
#include "ref_matrix.h"
#include "ref_mpi.h"
#include "ref_split.h"
#include "ref_validation.h"
REF_STATUS ref_layer_create(REF_LAYER *ref_layer_ptr, REF_MPI ref_mpi) {
REF_LAYER ref_layer;
ref_malloc(*ref_layer_ptr, 1, REF_LAYER_STRUCT);
ref_layer = *ref_layer_ptr;
RSS(ref_list_create(&(ref_layer_list(ref_layer))), "create list");
RSS(ref_grid_create(&(ref_layer_grid(ref_layer)), ref_mpi), "create grid");
ref_layer->nnode_per_layer = REF_EMPTY;
ref_layer->verbose = REF_FALSE;
return REF_SUCCESS;
}
REF_STATUS ref_layer_free(REF_LAYER ref_layer) {
if (NULL == (void *)ref_layer) return REF_NULL;
ref_grid_free(ref_layer_grid(ref_layer));
ref_list_free(ref_layer_list(ref_layer));
ref_free(ref_layer);
return REF_SUCCESS;
}
REF_STATUS ref_layer_attach(REF_LAYER ref_layer, REF_GRID ref_grid,
REF_INT faceid) {
REF_CELL ref_cell = ref_grid_tri(ref_grid);
REF_INT cell, nodes[REF_CELL_MAX_SIZE_PER];
/* copy nodes into local copy that provides compact index */
each_ref_cell_valid_cell_with_nodes(
ref_cell, cell, nodes) if (faceid == nodes[ref_cell_node_per(ref_cell)])
RSS(ref_list_push(ref_layer_list(ref_layer), cell), "parent");
return REF_SUCCESS;
}
static REF_STATUS ref_layer_normal(REF_LAYER ref_layer, REF_GRID ref_grid,
REF_INT node, REF_DBL *norm) {
REF_CELL ref_cell = ref_grid_tri(ref_grid);
REF_INT i, item, cell, nodes[REF_CELL_MAX_SIZE_PER];
REF_BOOL contains;
REF_DBL angle, total, triangle_norm[3];
total = 0.0;
norm[0] = 0.0;
norm[1] = 0.0;
norm[2] = 0.0;
each_ref_cell_having_node(ref_cell, node, item, cell) {
RSS(ref_list_contains(ref_layer_list(ref_layer), cell, &contains),
"in layer");
if (!contains) continue;
RSS(ref_cell_nodes(ref_cell, cell, nodes), "tri nodes");
RSS(ref_node_tri_node_angle(ref_grid_node(ref_grid), nodes, node, &angle),
"angle");
RSS(ref_node_tri_normal(ref_grid_node(ref_grid), nodes, triangle_norm),
"norm");
RSS(ref_math_normalize(triangle_norm), "normalize tri norm");
total += angle;
for (i = 0; i < 3; i++) norm[i] += angle * triangle_norm[i];
}
if (!ref_math_divisible(norm[0], total) ||
!ref_math_divisible(norm[1], total) ||
!ref_math_divisible(norm[2], total))
return REF_DIV_ZERO;
for (i = 0; i < 3; i++) norm[i] /= total;
RSS(ref_math_normalize(norm), "normalize average norm");
return REF_SUCCESS;
}
REF_STATUS ref_layer_puff(REF_LAYER ref_layer, REF_GRID ref_grid) {
REF_CELL ref_cell = ref_grid_tri(ref_grid);
REF_NODE layer_node = ref_grid_node(ref_layer_grid(ref_layer));
REF_CELL layer_prism = ref_grid_pri(ref_layer_grid(ref_layer));
REF_CELL layer_edge = ref_grid_edg(ref_layer_grid(ref_layer));
REF_INT item, cell, cell_node, cell_edge, nodes[REF_CELL_MAX_SIZE_PER];
REF_INT prism[REF_CELL_MAX_SIZE_PER];
REF_INT new_cell;
REF_INT node, local, i, nnode_per_layer;
REF_GLOB global;
REF_DBL norm[3];
/* first layer of nodes */
each_ref_list_item(ref_layer_list(ref_layer), item) {
cell = ref_list_value(ref_layer_list(ref_layer), item);
RSS(ref_cell_nodes(ref_cell, cell, nodes), "nodes");
each_ref_cell_cell_node(ref_cell, cell_node) {
RSS(ref_node_add(layer_node, nodes[cell_node], &node), "add");
for (i = 0; i < 3; i++)
ref_node_xyz(layer_node, i, node) =
ref_node_xyz(ref_grid_node(ref_grid), i, nodes[cell_node]);
}
}
nnode_per_layer = ref_node_n(layer_node);
ref_layer->nnode_per_layer = nnode_per_layer;
/* second layer of nodes */
for (local = 0; local < nnode_per_layer; local++) {
global = (REF_GLOB)local + ref_node_n_global(ref_grid_node(ref_grid));
RSS(ref_node_add(layer_node, global, &node), "add");
RSS(ref_layer_normal(ref_layer, ref_grid,
(REF_INT)ref_node_global(layer_node, local), norm),
"normal");
for (i = 0; i < 3; i++)
ref_node_xyz(layer_node, i, node) =
0.1 * norm[i] + ref_node_xyz(layer_node, i, local);
}
/* layer of prisms */
each_ref_list_item(ref_layer_list(ref_layer), item) {
cell = ref_list_value(ref_layer_list(ref_layer), item);
RSS(ref_cell_nodes(ref_cell, cell, nodes), "nodes");
each_ref_cell_cell_node(ref_cell, cell_node) {
RSS(ref_node_local(layer_node, nodes[cell_node], &local), "local");
prism[cell_node] = local;
prism[3 + cell_node] = local + nnode_per_layer;
}
RSS(ref_cell_add(layer_prism, prism, &new_cell), "add");
}
/* constrain faces */
each_ref_list_item(ref_layer_list(ref_layer), item) {
cell = ref_list_value(ref_layer_list(ref_layer), item);
RSS(ref_cell_nodes(ref_cell, cell, nodes), "nodes");
each_ref_cell_cell_edge(ref_cell, cell_edge) {
REF_INT node0;
REF_INT node1;
REF_INT ncell, cell_list[2];
REF_BOOL contains0, contains1;
REF_INT edge_nodes[REF_CELL_MAX_SIZE_PER];
node0 = nodes[ref_cell_e2n_gen(ref_cell, 0, cell_edge)];
node1 = nodes[ref_cell_e2n_gen(ref_cell, 1, cell_edge)];
RSS(ref_cell_list_with2(ref_cell, node0, node1, 2, &ncell, cell_list),
"find with 2");
REIS(2, ncell, "expected two tri for tri side");
RSS(ref_list_contains(ref_layer_list(ref_layer), cell_list[0],
&contains0),
"0 in layer");
RSS(ref_list_contains(ref_layer_list(ref_layer), cell_list[1],
&contains1),
"1 in layer");
if (contains0 && contains1) continue; /* tri side interior to layer */
if (!contains0 && !contains1) THROW("tri side is not in layer");
RSS(ref_node_local(layer_node, node0, &local), "local");
edge_nodes[0] = local + nnode_per_layer;
RSS(ref_node_local(layer_node, node1, &local), "local");
edge_nodes[1] = local + nnode_per_layer;
if (contains0) {
REIS(cell, cell_list[0], "cell should be in layer");
edge_nodes[2] = ref_cell_c2n(ref_cell, 3, cell_list[1]);
}
if (contains1) {
REIS(cell, cell_list[1], "cell should be in layer");
edge_nodes[2] = ref_cell_c2n(ref_cell, 3, cell_list[0]);
}
RSS(ref_cell_add(layer_edge, edge_nodes, &new_cell), "add");
}
}
return REF_SUCCESS;
}
REF_STATUS ref_layer_insert(REF_LAYER ref_layer, REF_GRID ref_grid) {
REF_CELL ref_cell = ref_grid_tet(ref_grid);
REF_NODE ref_node = ref_grid_node(ref_grid);
REF_NODE layer_node = ref_grid_node(ref_layer_grid(ref_layer));
REF_INT nnode_per_layer, node, local;
REF_GLOB global;
REF_INT nodes[REF_CELL_MAX_SIZE_PER], node0, node1, node2, node3;
REF_INT tet, i, new_node;
REF_DBL bary[4];
REF_INT zeros;
REF_DBL zero_tol = 1.0e-10;
REF_BOOL has_support;
nnode_per_layer = ref_layer->nnode_per_layer;
for (node = 0; node < nnode_per_layer; node++) {
global = ref_node_global(layer_node, node); /* base */
tet = ref_adj_first(ref_cell_adj(ref_cell), global);
local = node + nnode_per_layer; /* target */
RSS(ref_grid_enclosing_tet(ref_grid, ref_node_xyz_ptr(layer_node, local),
&tet, bary),
"enclosing tet");
RSS(ref_cell_nodes(ref_cell, tet, nodes), "nodes");
zeros = 0;
for (i = 0; i < 4; i++)
if (ABS(bary[i]) < zero_tol) zeros++;
new_node = REF_EMPTY;
switch (zeros) {
case 2: /* split an edge */
node0 = REF_EMPTY;
node1 = REF_EMPTY;
for (i = 0; i < 4; i++)
if (ABS(bary[i]) >= zero_tol) {
if (node0 == REF_EMPTY) {
node0 = i;
continue;
}
if (node1 == REF_EMPTY) {
node1 = i;
continue;
}
THROW("more non-zeros than nodes");
}
if (node0 == REF_EMPTY) THROW("non-zero node0 missing");
if (node1 == REF_EMPTY) THROW("non-zero node1 missing");
node0 = nodes[node0];
node1 = nodes[node1];
RSS(ref_geom_supported(ref_grid_geom(ref_grid), node1, &has_support),
"got geom?");
if (has_support) RSS(REF_IMPLEMENT, "add geometry handling");
RSS(ref_geom_supported(ref_grid_geom(ref_grid), node0, &has_support),
"got geom?");
if (has_support) RSS(REF_IMPLEMENT, "add geometry handling");
RSS(ref_node_next_global(ref_node, &global), "next global");
RSS(ref_node_add(ref_node, global, &new_node), "new node");
RSS(ref_node_interpolate_edge(ref_node, node0, node1, 0.5, new_node),
"interp new node");
RSS(ref_geom_add_between(ref_grid, node0, node1, 0.5, new_node),
"geom new node");
RSS(ref_geom_constrain(ref_grid, new_node), "geom constraint");
RSS(ref_split_edge(ref_grid, node0, node1, new_node), "split");
for (i = 0; i < 3; i++)
ref_node_xyz(ref_node, i, new_node) =
ref_node_xyz(layer_node, i, local);
break;
case 1: /* split a triangular face*/
node0 = REF_EMPTY;
for (i = 0; i < 4; i++)
if (ABS(bary[i]) < zero_tol) {
if (node0 == REF_EMPTY) {
node0 = i;
continue;
}
THROW("more zeros than nodes");
}
if (node0 == REF_EMPTY) THROW("non-zero node0 missing");
node1 = ref_cell_f2n_gen(ref_cell, 0, node0);
node2 = ref_cell_f2n_gen(ref_cell, 1, node0);
node3 = ref_cell_f2n_gen(ref_cell, 2, node0);
node1 = nodes[node1];
node2 = nodes[node2];
node3 = nodes[node3];
RSS(ref_geom_supported(ref_grid_geom(ref_grid), node1, &has_support),
"got geom?");
if (has_support) RSS(REF_IMPLEMENT, "add geometry handling");
RSS(ref_geom_supported(ref_grid_geom(ref_grid), node2, &has_support),
"got geom?");
if (has_support) RSS(REF_IMPLEMENT, "add geometry handling");
RSS(ref_geom_supported(ref_grid_geom(ref_grid), node3, &has_support),
"got geom?");
if (has_support) RSS(REF_IMPLEMENT, "add geometry handling");
RSS(ref_node_next_global(ref_node, &global), "next global");
RSS(ref_node_add(ref_node, global, &new_node), "new node");
RSS(ref_node_interpolate_face(ref_node, node1, node2, node3, new_node),
"interp new node");
for (i = 0; i < 3; i++)
ref_node_xyz(ref_node, i, new_node) =
ref_node_xyz(layer_node, i, local);
RSS(ref_split_face(ref_grid, node1, node2, node3, new_node), "fsplit");
if (ref_layer->verbose)
printf("split zeros %d bary %f %f %f %f\n", zeros, bary[0], bary[1],
bary[2], bary[3]);
break;
default:
if (ref_layer->verbose)
printf("implement zeros %d bary %f %f %f %f\n", zeros, bary[0],
bary[1], bary[2], bary[3]);
RSS(REF_IMPLEMENT, "missing a general case");
break;
}
RAS(REF_EMPTY != new_node, "new_node not set");
layer_node->global[local] = new_node;
if (ref_layer->verbose) RSS(ref_validation_cell_volume(ref_grid), "vol");
}
RSS(ref_node_rebuild_sorted_global(layer_node), "rebuild");
return REF_SUCCESS;
}
REF_STATUS ref_layer_recon(REF_LAYER ref_layer, REF_GRID ref_grid) {
REF_CELL ref_cell = ref_grid_tet(ref_grid);
REF_NODE layer_node = ref_grid_node(ref_layer_grid(ref_layer));
REF_CELL layer_edge = ref_grid_edg(ref_layer_grid(ref_layer));
REF_INT cell, nodes[REF_CELL_MAX_SIZE_PER];
REF_BOOL has_side;
REF_INT node0, node1;
each_ref_cell_valid_cell_with_nodes(layer_edge, cell, nodes) {
node0 = (REF_INT)ref_node_global(layer_node, nodes[0]);
node1 = (REF_INT)ref_node_global(layer_node, nodes[1]);
RSS(ref_cell_has_side(ref_cell, node0, node1, &has_side), "side?");
if (has_side) {
if (ref_layer->verbose) printf("got one\n");
} else {
if (ref_layer->verbose) printf("need one\n");
}
}
return REF_SUCCESS;
}
REF_STATUS ref_layer_identify(REF_GRID ref_grid) {
REF_CELL ref_cell = ref_grid_edg(ref_grid);
REF_NODE ref_node = ref_grid_node(ref_grid);
REF_INT node;
each_ref_node_valid_node(ref_node, node) {
if (!ref_cell_node_empty(ref_cell, node)) {
REF_DBL normal[3] = {0.0, 0.0, 0.0};
REF_INT item, cell, nodes[REF_CELL_MAX_SIZE_PER];
REF_DBL d[12], m[6];
REF_DBL dot, ar, r;
each_ref_cell_having_node(ref_cell, node, item, cell) {
RSS(ref_cell_nodes(ref_cell, cell, nodes), "cell");
RSS(ref_node_seg_normal(ref_node, nodes, normal), "normal");
}
RSS(ref_node_metric_get(ref_node, node, m), "get");
RSS(ref_matrix_diag_m(m, d), "eigen decomp");
RSS(ref_matrix_ascending_eig_twod(d), "2D eig sort");
dot = ref_math_dot(normal, &(d[3]));
ar = sqrt(d[0] / d[1]);
r = sqrt(
ref_node_xyz(ref_node, 0, node) * ref_node_xyz(ref_node, 0, node) +
ref_node_xyz(ref_node, 1, node) * ref_node_xyz(ref_node, 1, node));
printf("xyz %8.4f %8.4f %8.4f dot %7.3f ar %7.2f r %6.2f\n",
ref_node_xyz(ref_node, 0, node), ref_node_xyz(ref_node, 1, node),
ref_node_xyz(ref_node, 2, node), dot, ar, r);
}
}
return REF_SUCCESS;
}