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/*
* PostGIS Raster - Raster Types for PostGIS
* http://trac.osgeo.org/postgis/wiki/WKTRaster
*
* Copyright (C) 2012 Regents of the University of California
* <bkpark@ucdavis.edu>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "CUnit/Basic.h"
#include "cu_tester.h"
static void test_raster_new() {
rt_raster raster = NULL;
raster = rt_raster_new(0, 0);
CU_ASSERT(raster != NULL);
cu_free_raster(raster);
raster = rt_raster_new(1, 1);
CU_ASSERT(raster != NULL);
cu_free_raster(raster);
raster = rt_raster_new(10, 10);
CU_ASSERT(raster != NULL);
cu_free_raster(raster);
}
static void test_raster_empty() {
rt_raster raster = NULL;
/* check that raster is empty */
raster = rt_raster_new(0, 0);
CU_ASSERT(raster != NULL);
CU_ASSERT(rt_raster_is_empty(raster));
cu_free_raster(raster);
/* create raster */
raster = rt_raster_new(1, 1);
CU_ASSERT(raster != NULL);
/* check that raster is not empty */
CU_ASSERT(!rt_raster_is_empty(raster));
cu_free_raster(raster);
}
static void test_raster_metadata() {
rt_raster raster = NULL;
/* create raster */
raster = rt_raster_new(5, 5);
CU_ASSERT(raster != NULL);
/* # of bands */
CU_ASSERT_EQUAL(rt_raster_get_num_bands(raster), 0);
/* has bands */
CU_ASSERT(!rt_raster_has_band(raster, 1));
/* upper-left corner */
rt_raster_set_offsets(raster, 30, -70);
CU_ASSERT_DOUBLE_EQUAL(rt_raster_get_x_offset(raster), 30, DBL_EPSILON);
CU_ASSERT_DOUBLE_EQUAL(rt_raster_get_y_offset(raster), -70, DBL_EPSILON);
/* scale */
rt_raster_set_scale(raster, 10, -10);
CU_ASSERT_DOUBLE_EQUAL(rt_raster_get_x_scale(raster), 10, DBL_EPSILON);
CU_ASSERT_DOUBLE_EQUAL(rt_raster_get_y_scale(raster), -10, DBL_EPSILON);
/* skew */
rt_raster_set_skews(raster, 0.0001, -0.05);
CU_ASSERT_DOUBLE_EQUAL(rt_raster_get_x_skew(raster), 0.0001, DBL_EPSILON);
CU_ASSERT_DOUBLE_EQUAL(rt_raster_get_y_skew(raster), -0.05, DBL_EPSILON);
/* srid */
rt_raster_set_srid(raster, 4326);
CU_ASSERT_EQUAL(rt_raster_get_srid(raster), 4326);
rt_raster_set_srid(raster, 4269);
CU_ASSERT_EQUAL(rt_raster_get_srid(raster), 4269);
cu_free_raster(raster);
}
static void test_raster_clone() {
rt_raster rast1;
rt_raster rast2;
rt_band band;
int maxX = 5;
int maxY = 5;
double gt[6];
rast1 = rt_raster_new(maxX, maxY);
CU_ASSERT(rast1 != NULL);
rt_raster_set_offsets(rast1, 0, 0);
rt_raster_set_scale(rast1, 1, -1);
rt_raster_set_srid(rast1, 4326);
band = cu_add_band(rast1, PT_32BUI, 1, 6);
CU_ASSERT(band != NULL);
/* clone without bands */
rast2 = rt_raster_clone(rast1, 0);
CU_ASSERT(rast2 != NULL);
CU_ASSERT_EQUAL(rt_raster_get_num_bands(rast2), 0);
rt_raster_get_geotransform_matrix(rast2, gt);
CU_ASSERT_EQUAL(rt_raster_get_srid(rast2), 4326);
CU_ASSERT_DOUBLE_EQUAL(gt[0], 0, DBL_EPSILON);
CU_ASSERT_DOUBLE_EQUAL(gt[1], 1, DBL_EPSILON);
CU_ASSERT_DOUBLE_EQUAL(gt[2], 0, DBL_EPSILON);
CU_ASSERT_DOUBLE_EQUAL(gt[3], 0, DBL_EPSILON);
CU_ASSERT_DOUBLE_EQUAL(gt[4], 0, DBL_EPSILON);
CU_ASSERT_DOUBLE_EQUAL(gt[5], -1, DBL_EPSILON);
cu_free_raster(rast2);
/* clone with bands */
rast2 = rt_raster_clone(rast1, 1);
CU_ASSERT(rast2 != NULL);
CU_ASSERT_EQUAL(rt_raster_get_num_bands(rast2), 1);
cu_free_raster(rast2);
cu_free_raster(rast1);
}
static void test_raster_from_band() {
uint32_t bandNums[] = {1,3};
int lenBandNums = 2;
rt_raster raster;
rt_raster rast;
rt_band band;
uint32_t xmax = 100;
uint32_t ymax = 100;
uint32_t x;
raster = rt_raster_new(xmax, ymax);
CU_ASSERT(raster != NULL);
for (x = 0; x < 5; x++) {
band = cu_add_band(raster, PT_32BUI, 0, 0);
CU_ASSERT(band != NULL);
rt_band_set_nodata(band, 0, NULL);
}
rast = rt_raster_from_band(raster, bandNums, lenBandNums);
CU_ASSERT(rast != NULL);
CU_ASSERT(!rt_raster_is_empty(rast));
CU_ASSERT(rt_raster_has_band(rast, 1));
cu_free_raster(rast);
cu_free_raster(raster);
}
static void test_raster_replace_band() {
rt_raster raster;
rt_band band;
rt_band rband;
void* mem;
size_t datasize;
uint16_t width;
uint16_t height;
double nodata;
raster = rt_raster_new(10, 10);
CU_ASSERT(raster != NULL); /* or we're out of virtual memory */
band = cu_add_band(raster, PT_8BUI, 0, 0);
CU_ASSERT(band != NULL);
band = cu_add_band(raster, PT_8BUI, 1, 255);
CU_ASSERT(band != NULL);
width = rt_raster_get_width(raster);
height = rt_raster_get_height(raster);
datasize = rt_pixtype_size(PT_8BUI) * width * height;
mem = rtalloc(datasize);
band = rt_band_new_inline(width, height, PT_8BUI, 1, 1, mem);
CU_ASSERT(band != NULL);
rt_band_set_ownsdata_flag(band, 1);
rband = rt_raster_replace_band(raster, band, 0);
CU_ASSERT(rband != NULL);
rt_band_get_nodata(rt_raster_get_band(raster, 0), &nodata);
CU_ASSERT_DOUBLE_EQUAL(nodata, 1, DBL_EPSILON);
rt_band_destroy(rband);
cu_free_raster(raster);
}
/* register tests */
void raster_basics_suite_setup(void);
void raster_basics_suite_setup(void)
{
CU_pSuite suite = CU_add_suite("raster_basics", NULL, NULL);
PG_ADD_TEST(suite, test_raster_new);
PG_ADD_TEST(suite, test_raster_empty);
PG_ADD_TEST(suite, test_raster_metadata);
PG_ADD_TEST(suite, test_raster_clone);
PG_ADD_TEST(suite, test_raster_from_band);
PG_ADD_TEST(suite, test_raster_replace_band);
}
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