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ref_oct_test.c
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ref_oct_test.c
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/* Copyright 2006, 2014, 2021 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 version 3 unstructured grid adaptation 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
* https://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_oct.h"
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include "ref_args.h"
#include "ref_cell.h"
#include "ref_grid.h"
#include "ref_import.h"
#include "ref_mpi.h"
#include "ref_node.h"
int main(int argc, char *argv[]) {
REF_INT pos;
REF_MPI ref_mpi;
RSS(ref_mpi_start(argc, argv), "start");
RSS(ref_mpi_create(&ref_mpi), "make mpi");
RXS(ref_args_find(argc, argv, "--tec", &pos), REF_NOT_FOUND, "arg search");
if (pos != REF_EMPTY && pos + 1 < argc) {
REF_OCT ref_oct;
RSS(ref_oct_create(&ref_oct), "make oct");
RSS(ref_oct_split(ref_oct, 0), "split root");
RSS(ref_oct_split(ref_oct, 1), "split first child");
RSS(ref_oct_split(ref_oct, 9), "split second gen");
RSS(ref_oct_tec(ref_oct, argv[pos + 1]), "tec");
RSS(ref_oct_free(ref_oct), "free oct");
RSS(ref_mpi_free(ref_mpi), "mpi free");
RSS(ref_mpi_stop(), "stop");
return 0;
}
RXS(ref_args_find(argc, argv, "--point", &pos), REF_NOT_FOUND, "arg search");
if (pos != REF_EMPTY && pos + 1 < argc) {
REF_OCT ref_oct;
REF_DBL xyz[3], h;
RSS(ref_oct_create(&ref_oct), "make oct");
xyz[0] = 0.3;
xyz[1] = 0.4;
xyz[2] = 0.49;
h = 0.01;
RSS(ref_oct_split_at(ref_oct, xyz, h), "split xyz h");
RSS(ref_oct_tec(ref_oct, argv[pos + 1]), "tec");
RSS(ref_oct_free(ref_oct), "search oct");
RSS(ref_mpi_free(ref_mpi), "mpi free");
RSS(ref_mpi_stop(), "stop");
return 0;
}
RXS(ref_args_find(argc, argv, "--surf", &pos), REF_NOT_FOUND, "arg search");
if (pos != REF_EMPTY && pos + 2 < argc) {
REF_OCT ref_oct;
RSS(ref_oct_create(&ref_oct), "make oct");
{
REF_GRID ref_grid;
REF_CELL ref_cell;
REF_NODE ref_node;
REF_INT cell, nodes[REF_CELL_MAX_SIZE_PER];
RSS(ref_import_by_extension(&ref_grid, ref_mpi, argv[pos + 1]), "import");
ref_node = ref_grid_node(ref_grid);
ref_cell = ref_grid_tri(ref_grid);
each_ref_cell_valid_cell_with_nodes(ref_cell, cell, nodes) {
REF_DBL xyz[3], h, area;
REF_INT i, j;
RSS(ref_node_tri_area(ref_node, nodes, &area), "tri area");
h = sqrt(area);
for (j = 0; j < 3; j++) {
xyz[j] = 0;
for (i = 0; i < 3; i++) {
xyz[j] += ref_node_xyz(ref_node, j, nodes[i]) / 3.0;
}
}
RSS(ref_oct_split_at(ref_oct, xyz, h), "split xyz h");
}
RSS(ref_grid_free(ref_grid), "free grid");
}
printf("writing %d vox to %s from %s\n", ref_oct->n, argv[pos + 2],
argv[pos + 1]);
RSS(ref_oct_tec(ref_oct, argv[pos + 2]), "tec");
RSS(ref_oct_free(ref_oct), "search oct");
RSS(ref_mpi_free(ref_mpi), "mpi free");
RSS(ref_mpi_stop(), "stop");
return 0;
}
{ /* create */
REF_OCT ref_oct;
RSS(ref_oct_create(&ref_oct), "make oct");
RSS(ref_oct_free(ref_oct), "free oct");
}
{ /* child's bbox */
REF_DBL parent_bbox[6], child_bbox[6];
REF_INT child_index = 0;
REF_DBL tol = -1.0;
parent_bbox[0] = 0.0;
parent_bbox[1] = 1.0;
parent_bbox[2] = 0.0;
parent_bbox[3] = 1.0;
parent_bbox[4] = 0.0;
parent_bbox[5] = 1.0;
RSS(ref_oct_child_bbox(parent_bbox, child_index, child_bbox), "bbox");
RWDS(0.0, child_bbox[0], tol, "not zero");
}
{ /* bbox diag */
REF_DBL bbox[6];
REF_DBL diag, tol = -1.0;
bbox[0] = 0.0;
bbox[1] = 0.5;
bbox[2] = 0.5;
bbox[3] = 1.0;
bbox[4] = 0.2;
bbox[5] = 0.7;
RSS(ref_oct_bbox_diag(bbox, &diag), "bbox diag");
RWDS(sqrt(0.75), diag, tol, "wrong size");
}
{ /* split root */
REF_OCT ref_oct;
RSS(ref_oct_create(&ref_oct), "make oct");
RSS(ref_oct_split(ref_oct, 0), "split oct");
RSS(ref_oct_free(ref_oct), "free oct");
}
{ /* contains root */
REF_OCT ref_oct;
REF_DBL xyz[] = {0.1, 0.1, 0.1};
REF_DBL bbox[6];
REF_INT node;
RSS(ref_oct_create(&ref_oct), "make oct");
RSS(ref_oct_contains(ref_oct, xyz, &node, bbox), "contains oct");
REIS(0, node, "expects root");
xyz[0] = 100.0;
RSS(ref_oct_contains(ref_oct, xyz, &node, bbox), "contains oct");
REIS(REF_EMPTY, node, "expects empty outside root");
RSS(ref_oct_free(ref_oct), "free oct");
}
{ /* contains child */
REF_OCT ref_oct;
REF_DBL xyz[] = {0.1, 0.1, 0.1};
REF_DBL bbox[6];
REF_INT node;
RSS(ref_oct_create(&ref_oct), "make oct");
RSS(ref_oct_split(ref_oct, 0), "split oct");
RSS(ref_oct_contains(ref_oct, xyz, &node, bbox), "contains oct");
REIS(1, node, "expects first child");
xyz[0] = 0.9;
xyz[1] = 0.1;
xyz[2] = 0.1;
RSS(ref_oct_contains(ref_oct, xyz, &node, bbox), "contains oct");
REIS(2, node, "expects last child");
xyz[0] = 0.1;
xyz[1] = 0.9;
xyz[2] = 0.1;
RSS(ref_oct_contains(ref_oct, xyz, &node, bbox), "contains oct");
REIS(4, node, "expects last child");
xyz[0] = 0.9;
xyz[1] = 0.9;
xyz[2] = 0.9;
RSS(ref_oct_contains(ref_oct, xyz, &node, bbox), "contains oct");
REIS(7, node, "expects last child");
RSS(ref_oct_free(ref_oct), "free oct");
}
{
REF_OCT ref_oct;
REF_DBL xyz[] = {0.01, 0.01, 0.01};
REF_DBL bbox[6];
REF_INT node;
RSS(ref_oct_create(&ref_oct), "make oct");
RSS(ref_oct_split(ref_oct, 0), "split root");
RSS(ref_oct_split(ref_oct, 1), "split first child");
RSS(ref_oct_split(ref_oct, 9), "split second gen");
RSS(ref_oct_contains(ref_oct, xyz, &node, bbox), "contains oct");
REIS(17, node, "expects third level");
RSS(ref_oct_free(ref_oct), "free oct");
}
{
REF_DBL bbox0[6], bbox1[6];
REF_BOOL overlap;
bbox0[0] = 0.0;
bbox0[1] = 1.0;
bbox0[2] = 0.0;
bbox0[3] = 1.0;
bbox0[4] = 0.0;
bbox0[5] = 1.0;
bbox1[0] = 0.1;
bbox1[1] = 0.2;
bbox1[2] = 0.1;
bbox1[3] = 0.2;
bbox1[4] = 0.1;
bbox1[5] = 0.2;
RSS(ref_oct_bbox_overlap(bbox0, bbox1, &overlap), "overlap");
REIS(REF_TRUE, overlap, "expect overlap");
bbox1[0] = 1.1;
bbox1[1] = 1.2;
bbox1[2] = 0.1;
bbox1[3] = 0.2;
bbox1[4] = 0.1;
bbox1[5] = 0.2;
RSS(ref_oct_bbox_overlap(bbox0, bbox1, &overlap), "overlap");
REIS(REF_FALSE, overlap, "did expect overlap");
}
RSS(ref_mpi_free(ref_mpi), "mpi free");
RSS(ref_mpi_stop(), "stop");
return 0;
}