static void
test_patch_pointn_last_first()
{
// 00 endian (big)
// 00000000 pcid
// 00000000 compression
// 00000003 npoints
// 0000000800000003000000050006 pt1 (XYZi)
// 0000000200000003000000040008 pt2 (XYZi)
// 0000000200000003000000040009 pt3 (XYZi)
char *hexbuf = "00000000000000000000000003000000080000000300000005000600000002000000030000000400080000000200000003000000040009";
size_t hexsize = strlen(hexbuf);
uint8_t *wkb = bytes_from_hexbytes(hexbuf, hexsize);
char *str;
PCPATCH *pa = pc_patch_from_wkb(simpleschema, wkb, hexsize/2);
PCPOINT *pt = pc_patch_pointn(pa, -1);
str = pc_point_to_string(pt);
CU_ASSERT_STRING_EQUAL(str, "{\"pcid\":0,\"pt\":[0.02,0.03,0.04,9]}");
pc_point_free(pt);
free(str);
pt = pc_patch_pointn(pa, -3);
str = pc_point_to_string(pt);
CU_ASSERT_STRING_EQUAL(str, "{\"pcid\":0,\"pt\":[0.08,0.03,0.05,6]}");
pc_point_free(pt);
free(str);
pc_patch_free(pa);
pcfree(wkb);
}
static void
test_patch_pointn_laz_compression()
{
// 00 endian (big)
// 00000000 pcid
// 00000000 compression
// 00000003 npoints
// 0000000800000003000000050006 pt1 (XYZi)
// 0000000200000003000000040008 pt2 (XYZi)
// 0000000200000003000000040009 pt3 (XYZi)
char *hexbuf = "00000000000000000000000003000000080000000300000005000600000002000000030000000400080000000200000003000000040009";
size_t hexsize = strlen(hexbuf);
uint8_t *wkb = bytes_from_hexbytes(hexbuf, hexsize);
char *str;
PCPATCH *pa = pc_patch_from_wkb(simpleschema, wkb, hexsize/2);
PCPOINTLIST *li = pc_pointlist_from_patch(pa);
PCPATCH_LAZPERF* paz = pc_patch_lazperf_from_pointlist(li);
PCPOINT *pt = pc_patch_pointn((PCPATCH*) paz, 2);
CU_ASSERT(pt != NULL);
str = pc_point_to_string(pt);
CU_ASSERT_STRING_EQUAL(str, "{\"pcid\":0,\"pt\":[0.02,0.03,0.04,8]}");
pc_patch_free((PCPATCH *)paz);
pc_point_free(pt);
pcfree(str);
pcfree(wkb);
pc_patch_free(pa);
pc_pointlist_free(li);
}
static void
test_patch_pointn_ght_compression()
{
// 00 endian (big)
// 00000000 pcid
// 00000000 compression
// 00000003 npoints
// 0000000800000003000000050006 pt1 (XYZi)
// 0000000200000003000000040008 pt2 (XYZi)
// 0000000200000003000000040009 pt3 (XYZi)
char *hexbuf = "00000000000000000000000003000000080000000300000005000600000002000000030000000400080000000200000003000000040009";
size_t hexsize = strlen(hexbuf);
uint8_t *wkb = bytes_from_hexbytes(hexbuf, hexsize);
PCPATCH *pa = pc_patch_from_wkb(simpleschema, wkb, hexsize/2);
PCPOINTLIST *li = pc_pointlist_from_patch(pa);
#ifdef HAVE_LIBGHT
PCPATCH_GHT* pag = pc_patch_ght_from_pointlist(li);
PCPOINT *pt = pc_patch_pointn((PCPATCH*) pag, 2);
CU_ASSERT(pt != NULL);
CU_ASSERT_STRING_EQUAL(pc_point_to_string(pt), "{\"pcid\":0,\"pt\":[0.02,0.03,0.04,8]}");
pc_patch_free( (PCPATCH*) pag );
pc_point_free(pt);
#endif
// free
pcfree(wkb);
pc_patch_free(pa);
pc_pointlist_free(li);
}
static void
test_patch_set_schema_dimensional_compression(enum DIMCOMPRESSIONS dimcomp)
{
// init data
PCPATCH_DIMENSIONAL *padim1, *padim2;
PCPATCH *pat;
PCPOINT *pt;
PCPOINTLIST *pl;
char *str;
int i;
int npts = PCDIMSTATS_MIN_SAMPLE+1; // force to keep custom compression
// build a patch
pl = pc_pointlist_make(npts);
for ( i = npts; i >= 0; i-- )
{
pt = pc_point_make(simpleschema);
pc_point_set_double_by_name(pt, "X", i * 0.1);
pc_point_set_double_by_name(pt, "Y", i * 0.2);
pc_point_set_double_by_name(pt, "Z", i * 0.3);
pc_point_set_double_by_name(pt, "Intensity", 10);
pc_pointlist_add_point(pl, pt);
}
padim1 = pc_patch_dimensional_from_pointlist(pl);
// set dimensional compression for each dimension
PCDIMSTATS *stats = pc_dimstats_make(simpleschema);
pc_dimstats_update(stats, padim1);
for ( i = 0; i<padim1->schema->ndims; i++ )
stats->stats[i].recommended_compression = dimcomp;
// compress patch
padim2 = pc_patch_dimensional_compress(padim1, stats);
// assign a valid schema to the patch
pat = pc_patch_set_schema((PCPATCH*) padim2, simpleschema_nointensity, 0.0);
CU_ASSERT(pat != NULL);
pt = pc_patch_pointn(pat, 1);
str = pc_point_to_string(pt);
CU_ASSERT_STRING_EQUAL(str,"{\"pcid\":0,\"pt\":[1000.1,2000.2,3000.3]}");
pcfree(str);
pc_point_free(pt);
pc_patch_free(pat);
pc_pointlist_free(pl);
pc_dimstats_free(stats);
pc_patch_free((PCPATCH *)padim1);
pc_patch_free((PCPATCH *)padim2);
}
Datum pcpoint_as_text(PG_FUNCTION_ARGS)
{
SERIALIZED_POINT *serpt = PG_GETARG_SERPOINT_P(0);
text *txt;
char *str;
PCSCHEMA *schema = pc_schema_from_pcid(serpt->pcid, fcinfo);
PCPOINT *pt = pc_point_deserialize(serpt, schema);
if ( ! pt )
PG_RETURN_NULL();
str = pc_point_to_string(pt);
pc_point_free(pt);
txt = cstring_to_text(str);
pfree(str);
PG_RETURN_TEXT_P(txt);
}
