PostGIS 3.7.0dev-r@@SVN_REVISION@@
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◆ test_band_get_pixel_of_value()

static void test_band_get_pixel_of_value ( )
static

Definition at line 290 of file cu_band_misc.c.

290 {
293 uint32_t x, y;
294 int rtn;
295 uint32_t maxX = 10;
296 uint32_t maxY = 10;
297 rt_pixel pixels = NULL;
298
299 double search0[1] = {0};
300 double search1[1] = {1};
301 double search2[2] = {3, 5};
302
303 rast = rt_raster_new(maxX, maxY);
304 CU_ASSERT(rast != NULL);
305
306 band = cu_add_band(rast, PT_32BUI, 1, 0);
307 CU_ASSERT(band != NULL);
308
309 for (x = 0; x < maxX; x++) {
310 for (y = 0; y < maxY; y++) {
311 rtn = rt_band_set_pixel(band, x, y, 1, NULL);
312 }
313 }
314
315 rt_band_set_pixel(band, 0, 0, 0, NULL);
316 rt_band_set_pixel(band, 3, 0, 0, NULL);
317 rt_band_set_pixel(band, 6, 0, 0, NULL);
318 rt_band_set_pixel(band, 9, 0, 0, NULL);
319 rt_band_set_pixel(band, 1, 2, 0, NULL);
320 rt_band_set_pixel(band, 4, 2, 0, NULL);
321 rt_band_set_pixel(band, 7, 2, 0, NULL);
322 rt_band_set_pixel(band, 2, 4, 0, NULL);
323 rt_band_set_pixel(band, 5, 4, 0, NULL);
324 rt_band_set_pixel(band, 8, 4, 0, NULL);
325 rt_band_set_pixel(band, 0, 6, 0, NULL);
326 rt_band_set_pixel(band, 3, 6, 0, NULL);
327 rt_band_set_pixel(band, 6, 6, 0, NULL);
328 rt_band_set_pixel(band, 9, 6, 0, NULL);
329 rt_band_set_pixel(band, 1, 8, 0, NULL);
330 rt_band_set_pixel(band, 4, 8, 0, NULL);
331 rt_band_set_pixel(band, 7, 8, 0, NULL);
332
333 pixels = NULL;
335 band, TRUE,
336 search1, 1,
337 &pixels
338 );
339 CU_ASSERT_EQUAL(rtn, 83);
340 if (rtn)
341 rtdealloc(pixels);
342
343 pixels = NULL;
345 band, FALSE,
346 search0, 1,
347 &pixels
348 );
349 CU_ASSERT_EQUAL(rtn, 17);
350 if (rtn)
351 rtdealloc(pixels);
352
353 rt_band_set_pixel(band, 4, 2, 3, NULL);
354 rt_band_set_pixel(band, 7, 2, 5, NULL);
355 rt_band_set_pixel(band, 1, 8, 3, NULL);
356
357 pixels = NULL;
359 band, TRUE,
360 search2, 2,
361 &pixels
362 );
363 CU_ASSERT_EQUAL(rtn, 3);
364 if (rtn)
365 rtdealloc(pixels);
366
367 cu_free_raster(rast);
368}
#define TRUE
Definition dbfopen.c:73
#define FALSE
Definition dbfopen.c:72
int rt_band_get_pixel_of_value(rt_band band, int exclude_nodata_value, double *searchset, int searchcount, rt_pixel *pixels)
Search band for pixel(s) with search values.
Definition rt_band.c:1989
@ PT_32BUI
Definition librtcore.h:197
rt_raster rt_raster_new(uint32_t width, uint32_t height)
Construct a raster with given dimensions.
Definition rt_raster.c:52
rt_errorstate rt_band_set_pixel(rt_band band, int x, int y, double val, int *converted)
Set single pixel's value.
Definition rt_band.c:1140
void rtdealloc(void *mem)
Definition rt_context.c:206
rt_band cu_add_band(rt_raster raster, rt_pixtype pixtype, int hasnodata, double nodataval)
void cu_free_raster(rt_raster raster)

References cu_add_band(), cu_free_raster(), FALSE, PT_32BUI, rt_band_get_pixel_of_value(), rt_band_set_pixel(), rt_raster_new(), rtdealloc(), and TRUE.

Referenced by band_misc_suite_setup().

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