static void
test_patch_compress_from_ght_to_lazperf()
{
PCPOINT *point;
PCPOINTLIST *pointlist;
PCPATCH_GHT *patch_ght;
PCPATCH_LAZPERF *patch_lazperf;
pointlist = pc_pointlist_make(1);
point = pc_point_make(simplelazschema);
pc_point_set_double_by_name(point, "x", 2.0);
pc_point_set_double_by_name(point, "y", 1.9);
pc_point_set_double_by_name(point, "Z", 0.34);
pc_point_set_double_by_name(point, "intensity", 10);
pc_pointlist_add_point(pointlist, point);
patch_ght = pc_patch_ght_from_pointlist(pointlist);
CU_ASSERT(patch_ght->type == PC_GHT);
patch_lazperf = (PCPATCH_LAZPERF *)pc_patch_compress((PCPATCH *)patch_ght, NULL);
CU_ASSERT(patch_lazperf != NULL);
CU_ASSERT(patch_lazperf->type == PC_LAZPERF);
pc_pointlist_free(pointlist);
pc_patch_free((PCPATCH *)patch_ght);
pc_patch_free((PCPATCH *)patch_lazperf);
}
static void
test_patch_union()
{
int i;
int npts = 20;
PCPOINTLIST *pl1;
PCPATCH *pu;
PCPATCH **palist;
pl1 = pc_pointlist_make(npts);
for ( i = 0; i < npts; i++ )
{
PCPOINT *pt = pc_point_make(simpleschema);
pc_point_set_double_by_name(pt, "x", i*2.0);
pc_point_set_double_by_name(pt, "y", i*1.9);
pc_point_set_double_by_name(pt, "Z", i*0.34);
pc_point_set_double_by_name(pt, "intensity", 10);
pc_pointlist_add_point(pl1, pt);
}
palist = pcalloc(2*sizeof(PCPATCH*));
palist[0] = (PCPATCH*)pc_patch_dimensional_from_pointlist(pl1);
palist[1] = (PCPATCH*)pc_patch_uncompressed_from_pointlist(pl1);
pu = pc_patch_from_patchlist(palist, 2);
CU_ASSERT_EQUAL(pu->npoints, 2*npts);
pc_pointlist_free(pl1);
pc_patch_free(pu);
pc_patch_free(palist[0]);
pc_patch_free(palist[1]);
pcfree(palist);
}
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 = pc_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_filter()
{
int i;
int npts = 20;
PCPOINTLIST *pl1, *pl2;
PCPATCH *pa1, *pa2, *pa3, *pa4;
char *str1, *str2;
pl1 = pc_pointlist_make(npts);
pl2 = pc_pointlist_make(npts);
for ( i = 0; i < npts; i++ )
{
PCPOINT *pt1 = pc_point_make(simpleschema);
PCPOINT *pt2 = pc_point_make(simpleschema);
pc_point_set_double_by_name(pt1, "x", i);
pc_point_set_double_by_name(pt1, "y", i);
pc_point_set_double_by_name(pt1, "Z", i*0.1);
pc_point_set_double_by_name(pt1, "intensity", 100-i);
pc_pointlist_add_point(pl1, pt1);
pc_point_set_double_by_name(pt2, "x", i);
pc_point_set_double_by_name(pt2, "y", i);
pc_point_set_double_by_name(pt2, "Z", i*0.1);
pc_point_set_double_by_name(pt2, "intensity", 100-i);
pc_pointlist_add_point(pl2, pt2);
}
// PCPATCH* pc_patch_filter(const PCPATCH *pa, uint32_t dimnum, PC_FILTERTYPE filter, double val1, double val2);
pa1 = (PCPATCH*)pc_patch_dimensional_from_pointlist(pl1);
// printf("pa1\n%s\n", pc_patch_to_string(pa1));
pa2 = pc_patch_filter(pa1, 0, PC_GT, 17, 20);
str1 = pc_patch_to_string(pa2);
// printf("pa2\n%s\n", str1);
CU_ASSERT_STRING_EQUAL(str1, "{\"pcid\":0,\"pts\":[[18,18,1.8,82],[19,19,1.9,81]]}");
pa3 = (PCPATCH*)pc_patch_uncompressed_from_pointlist(pl2);
// printf("\npa3\n%s\n", pc_patch_to_string(pa3));
pa4 = pc_patch_filter(pa3, 0, PC_GT, 17, 20);
str2 = pc_patch_to_string(pa4);
// printf("\npa4\n%s\n", str2);
CU_ASSERT_STRING_EQUAL(str2, "{\"pcid\":0,\"pts\":[[18,18,1.8,82],[19,19,1.9,81]]}");
pcfree(str1);
pcfree(str2);
pc_pointlist_free(pl1);
pc_pointlist_free(pl2);
pc_patch_free(pa1);
pc_patch_free(pa3);
pc_patch_free(pa4);
pc_patch_free(pa2);
return;
}
static void
test_patch_wkb()
{
int i;
int npts = 20;
PCPOINTLIST *pl1;
PCPATCH_UNCOMPRESSED *pu1, *pu2;
PCPATCH *pa1, *pa2, *pa3, *pa4;
PCDIMSTATS *pds = NULL;
size_t z1, z2;
uint8_t *wkb1, *wkb2;
char *str;
pl1 = pc_pointlist_make(npts);
for ( i = 0; i < npts; i++ )
{
PCPOINT *pt = pc_point_make(simpleschema);
pc_point_set_double_by_name(pt, "x", i*2.123);
pc_point_set_double_by_name(pt, "y", i*2.9);
pc_point_set_double_by_name(pt, "Z", i*0.3099);
pc_point_set_double_by_name(pt, "intensity", 13);
pc_pointlist_add_point(pl1, pt);
}
pa1 = (PCPATCH*)pc_patch_dimensional_from_pointlist(pl1);
wkb1 = pc_patch_to_wkb(pa1, &z1);
str = hexbytes_from_bytes(wkb1, z1);
// printf("str\n%s\n",str);
pa2 = pc_patch_from_wkb(simpleschema, wkb1, z1);
// printf("pa2\n%s\n",pc_patch_to_string(pa2));
pa3 = pc_patch_compress(pa2, NULL);
// printf("pa3\n%s\n",pc_patch_to_string(pa3));
wkb2 = pc_patch_to_wkb(pa3, &z2);
pa4 = pc_patch_from_wkb(simpleschema, wkb2, z2);
// printf("pa4\n%s\n",pc_patch_to_string(pa4));
pu1 = (PCPATCH_UNCOMPRESSED*)pc_patch_uncompressed_from_dimensional((PCPATCH_DIMENSIONAL*)pa1);
pu2 = (PCPATCH_UNCOMPRESSED*)pc_patch_uncompressed_from_dimensional((PCPATCH_DIMENSIONAL*)pa4);
// printf("pu1\n%s\n", pc_patch_to_string((PCPATCH*)pu1));
// printf("pu2\n%s\n", pc_patch_to_string((PCPATCH*)pu2));
CU_ASSERT_EQUAL(pu1->datasize, pu2->datasize);
CU_ASSERT_EQUAL(pu1->npoints, pu2->npoints);
CU_ASSERT(memcmp(pu1->data, pu2->data, pu1->datasize) == 0);
pc_pointlist_free(pl1);
pc_patch_free(pa1);
pc_patch_free(pa2);
pcfree(wkb1);
}
static void
test_patch_lazperf()
{
PCPOINT *pt;
int i;
int npts = 400;
PCPOINTLIST *pl;
PCPATCH_LAZPERF *pal;
PCPATCH_UNCOMPRESSED *paul, *pauref;
// build a list of points
pl = pc_pointlist_make(npts);
for ( i = 0; i < npts; i++ )
{
pt = pc_point_make(simpleschema);
pc_point_set_double_by_name(pt, "x", i*2.0);
pc_point_set_double_by_name(pt, "y", i*1.9);
pc_point_set_double_by_name(pt, "Z", i*0.34);
pc_point_set_double_by_name(pt, "intensity", 10);
pc_pointlist_add_point(pl, pt);
}
// compress the list in a lazperf patch
pal = pc_patch_lazperf_from_pointlist( pl );
// get an uncompressed patch from the lazperf patch
paul = pc_patch_uncompressed_from_lazperf( pal );
// get an uncompressed patch directly from the pointlist
pauref = pc_patch_uncompressed_from_pointlist( pl );
// test the number of points
CU_ASSERT_EQUAL(pal->npoints, pauref->npoints);
CU_ASSERT_EQUAL(paul->npoints, pauref->npoints);
// test bounds
CU_ASSERT_DOUBLE_EQUAL(pal->bounds.xmax, pauref->bounds.xmax, 0.0001);
CU_ASSERT_DOUBLE_EQUAL(paul->bounds.ymax, pauref->bounds.ymax, 0.000001);
// test type
CU_ASSERT_EQUAL(pal->type, PC_LAZPERF);
CU_ASSERT_EQUAL(paul->type, pauref->type);
// test readonly
CU_ASSERT_EQUAL(pauref->readonly, paul->readonly);
CU_ASSERT_EQUAL(pauref->readonly, pal->readonly);
// test datasize
CU_ASSERT_EQUAL(paul->datasize, pauref->datasize);
// free
pc_pointlist_free(pl);
pc_patch_free( (PCPATCH*) pal );
pc_patch_free((PCPATCH*) paul);
pc_patch_free((PCPATCH*) pauref);
}
static void
test_sort_patch_is_sorted_compression_dimensional(enum DIMCOMPRESSIONS dimcomp)
{
// init data
PCPATCH_DIMENSIONAL *padim1, *padim2, *padimsort;
PCPOINT *pt;
PCPOINTLIST *pl;
int i;
int ndims = 1;
int npts = PCDIMSTATS_MIN_SAMPLE+1; // force to keep custom compression
const char *X[] = {"X"};
// build a dimensional patch
pl = pc_pointlist_make(npts);
for ( i = npts; i >= 0; i-- )
{
pt = pc_point_make(schema);
pc_point_set_double_by_name(pt, "x", i);
pc_point_set_double_by_name(pt, "y", i);
pc_point_set_double_by_name(pt, "Z", i);
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(schema);
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);
// test that patch is not sorted
CU_ASSERT_EQUAL(pc_patch_is_sorted((PCPATCH*) padim2, X, ndims, PC_FALSE), PC_FALSE);
CU_ASSERT_EQUAL(pc_patch_is_sorted((PCPATCH*) padim2, X, ndims, PC_TRUE), PC_FALSE);
// sort
padimsort = (PCPATCH_DIMENSIONAL*) pc_patch_sort((PCPATCH*) padim2, X, 1);
// test that resulting data is sorted
CU_ASSERT_EQUAL(pc_patch_is_sorted((PCPATCH*) padimsort, X, ndims, PC_TRUE), PC_TRUE);
// free
pc_dimstats_free(stats);
pc_patch_free((PCPATCH *)padim1);
pc_patch_free((PCPATCH *)padim2);
pc_patch_free((PCPATCH *)padimsort);
pc_pointlist_free(pl);
}
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);
}
static void
test_patch_range_compression_dimensional(enum DIMCOMPRESSIONS dimcomp)
{
int i;
PCPOINTLIST *pl;
PCPATCH *pa;
PCPATCH *par;
PCPATCH_DIMENSIONAL *pad;
PCPOINT *pt;
char *str;
int npts = PCDIMSTATS_MIN_SAMPLE+1; // force to keep custom compression
// build a dimensional 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);
pc_point_set_double_by_name(pt, "Y", i);
pc_point_set_double_by_name(pt, "Z", i);
pc_point_set_double_by_name(pt, "Intensity", 10);
pc_pointlist_add_point(pl, pt);
}
pad = pc_patch_dimensional_from_pointlist(pl);
// set dimensional compression for each dimension
PCDIMSTATS *stats = pc_dimstats_make(simpleschema);
pc_dimstats_update(stats, pad);
for ( i = 0; i<pad->schema->ndims; i++ )
stats->stats[i].recommended_compression = dimcomp;
// compress patch
pa = (PCPATCH*) pc_patch_dimensional_compress(pad, stats);
par = pc_patch_range(pa, 16, 4);
str = pc_patch_to_string(par);
CU_ASSERT_STRING_EQUAL(str,
"{\"pcid\":0,\"pts\":[[9986,9986,9986,10],[9985,9985,9985,10],[9984,9984,9984,10],[9983,9983,9983,10]]}");
pcfree(str);
pc_patch_free(par);
pc_patch_free((PCPATCH *)pad);
pc_dimstats_free(stats);
pc_patch_free(pa);
pc_pointlist_free(pl);
}
static void
test_wkb_lazperf()
{
PCPOINT *pt;
int i;
int npts = 400;
PCPOINTLIST *pl;
PCPATCH_LAZPERF *pal1, *pal2;
PCPATCH_UNCOMPRESSED *pau;
uint8_t *wkb1, *wkb2;
size_t wkbsize;
// build a list of points
pl = pc_pointlist_make(npts);
for ( i = 0; i < npts; i++ )
{
pt = pc_point_make(simpleschema);
pc_point_set_double_by_name(pt, "x", i*2.0);
pc_point_set_double_by_name(pt, "y", i*1.9);
pc_point_set_double_by_name(pt, "Z", i*0.34);
pc_point_set_double_by_name(pt, "intensity", 10);
pc_pointlist_add_point(pl, pt);
}
// build patch lazperf
pal1 = pc_patch_lazperf_from_pointlist(pl);
// get the corresponding wkb
wkb1 = pc_patch_lazperf_to_wkb(pal1, &wkbsize);
// rebuild a lazperf patch thanks to the wkb
pal2 = (PCPATCH_LAZPERF*) pc_patch_lazperf_from_wkb( pal1->schema, wkb1, wkbsize);
// get the wkb reference
pau = pc_patch_uncompressed_from_pointlist(pl);
wkb2 = pc_patch_uncompressed_to_wkb( pau, &wkbsize );
// compare wkb
CU_ASSERT_STRING_EQUAL(wkb1, wkb2);
// free
pc_patch_free((PCPATCH*) pal1);
pc_patch_free((PCPATCH*) pal2);
pc_patch_free((PCPATCH*) pau);
pc_pointlist_free(pl);
pcfree(wkb1);
pcfree(wkb2);
}
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_range_compression_none_with_full_range()
{
int i;
int npts = 4;
PCPOINTLIST *pl;
PCPATCH *pa;
PCPATCH *par;
char *str;
pl = pc_pointlist_make(npts);
for ( i = 0; i < npts; i++ )
{
PCPOINT *pt = pc_point_make(simpleschema);
pc_point_set_double_by_name(pt, "X", i);
pc_point_set_double_by_name(pt, "Y", i);
pc_point_set_double_by_name(pt, "Z", i * 0.1);
pc_point_set_double_by_name(pt, "Intensity", 100 - i);
pc_pointlist_add_point(pl, pt);
}
pa = (PCPATCH*)pc_patch_uncompressed_from_pointlist(pl);
par = pc_patch_range(pa, 1, npts);
CU_ASSERT(pa == par);
str = pc_patch_to_string(par);
CU_ASSERT_STRING_EQUAL(str,
"{\"pcid\":0,\"pts\":[[0,0,0,100],[1,1,0.1,99],[2,2,0.2,98],[3,3,0.3,97]]}");
pcfree(str);
pc_patch_free(pa);
pc_pointlist_free(pl);
}
static void
test_patch_range_compression_none_with_bad_arguments(int first, int count)
{
int i;
int npts = 20;
PCPOINTLIST *pl;
PCPATCH *pa;
PCPATCH *par;
pl = pc_pointlist_make(npts);
for ( i = 0; i < npts; i++ )
{
PCPOINT *pt = pc_point_make(simpleschema);
pc_point_set_double_by_name(pt, "X", i);
pc_point_set_double_by_name(pt, "Y", i);
pc_point_set_double_by_name(pt, "Z", i * 0.1);
pc_point_set_double_by_name(pt, "Intensity", 100 - i);
pc_pointlist_add_point(pl, pt);
}
pa = (PCPATCH*)pc_patch_uncompressed_from_pointlist(pl);
par = pc_patch_range(pa, first, count);
CU_ASSERT(par == NULL);
pc_patch_free(pa);
pc_pointlist_free(pl);
}
static void
test_pointlist_lazperf()
{
PCPOINT *pt;
int i;
int npts = 400;
PCPOINTLIST *pl1, *pl2;
PCPATCH_LAZPERF *pch1;
PCPATCH_UNCOMPRESSED *pa1, *pa2;
char *wkt1, *wkt2;
// build a list of points
pl1 = pc_pointlist_make(npts);
for ( i = 0; i < npts; i++ )
{
pt = pc_point_make(simpleschema);
pc_point_set_double_by_name(pt, "x", i*2.0);
pc_point_set_double_by_name(pt, "y", i*1.9);
pc_point_set_double_by_name(pt, "Z", i*0.34);
pc_point_set_double_by_name(pt, "intensity", 10);
pc_pointlist_add_point(pl1, pt);
}
// compress the list in a lazperf patch
pch1 = pc_patch_lazperf_from_pointlist( pl1 );
// decompress the lazperf patch in a pointlist
pl2 = pc_pointlist_from_lazperf(pch1);
// test that the string representation of pointlist is equal
pa1 = pc_patch_uncompressed_from_pointlist( pl1 );
pa2 = pc_patch_uncompressed_from_lazperf( pch1 );
wkt1 = pc_patch_uncompressed_to_string(pa1);
wkt2 = pc_patch_uncompressed_to_string(pa2);
CU_ASSERT_STRING_EQUAL(wkt1, wkt2);
pc_patch_free((PCPATCH*) pch1 );
pc_patch_free((PCPATCH*) pa1);
pc_patch_free((PCPATCH*) pa2);
pc_pointlist_free(pl1);
pc_pointlist_free(pl2);
pcfree(wkt1);
pcfree(wkt2);
}
static void
test_sort_simple()
{
// 00 endian (big)
// 00000000 pcid
// 00000000 compression
// 00000002 npoints
// 0000000800000003000000050006 pt1 (XYZi)
// 0000000200000001000000040008 pt2 (XYZi)
// init data
PCPOINTLIST *lisort;
PCPATCH *pasort;
double d1;
double d2;
char *hexbuf = "0000000000000000000000000200000008000000030000000500060000000200000001000000040008";
size_t hexsize = strlen(hexbuf);
uint8_t *wkb = bytes_from_hexbytes(hexbuf, hexsize);
PCPATCH *pa = pc_patch_from_wkb(schema, wkb, hexsize/2);
PCPOINTLIST *li = pc_pointlist_from_patch(pa);
const char *X[] = {"X"};
// check that initial data are not sorted
pc_point_get_double_by_name(pc_pointlist_get_point(li, 0), "X", &d1);
pc_point_get_double_by_name(pc_pointlist_get_point(li, 1), "X", &d2);
CU_ASSERT_DOUBLE_EQUAL(d1, 0.08, precision);
CU_ASSERT_DOUBLE_EQUAL(d2, 0.02, precision);
// sort on X attribute and check if data are well sorted
pasort = pc_patch_sort(pa, X, 1);
lisort = pc_pointlist_from_patch(pasort);
pc_point_get_double_by_name(pc_pointlist_get_point(lisort, 0), "X", &d1);
pc_point_get_double_by_name(pc_pointlist_get_point(lisort, 1), "X", &d2);
CU_ASSERT_DOUBLE_EQUAL(d1, 0.02, precision);
CU_ASSERT_DOUBLE_EQUAL(d2, 0.08, precision);
// free
pc_pointlist_free(li);
pc_pointlist_free(lisort);
pc_patch_free(pa);
pc_patch_free(pasort);
pcfree(wkb);
}
static void
test_patch_set_schema_compression_ght()
{
// init data
PCPATCH_GHT *pag;
PCPATCH *pat0, *pat1;
PCPOINTLIST *pl;
PCPOINT *pt;
char *str;
int i;
int npts = 4;
// 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);
}
pag = pc_patch_ght_from_pointlist(pl);
// assign a valid schema to the patch
pat0 = pc_patch_set_schema((PCPATCH*) pag, simpleschema_nointensity, 0.0);
CU_ASSERT(pat0 != NULL);
str = pc_patch_to_string(pat0);
CU_ASSERT_STRING_EQUAL(str, "{\"pcid\":0,\"pts\":[[0.4,0.8,1.2],[0.3,0.6,0.9],[0.2,0.4,0.6],[0.1,0.2,0.3],[0,0,0]]}");
pcfree(str);
// assign a schema with unknown dimension to the patch
pat1 = pc_patch_set_schema(pat0, simpleschema, 0.0);
CU_ASSERT(pat1 != NULL);
str = pc_patch_to_string(pat1);
CU_ASSERT_STRING_EQUAL(str, "{\"pcid\":0,\"pts\":[[0.4,0.8,1.2,0],[0.3,0.6,0.9,0],[0.2,0.4,0.6,0],[0.1,0.2,0.3,0],[0,0,0,0]]}");
pcfree(str);
pc_patch_free(pat0);
pc_patch_free(pat1);
pc_patch_free((PCPATCH*) pag);
pc_pointlist_free(pl);
}
/*
* Write an uncompressed patch out to hex
*/
static void
test_patch_hex_out()
{
// 00 endian
// 00000000 pcid
// 00000000 compression
// 00000002 npoints
// 0000000200000003000000050006 pt1 (XYZi)
// 0000000200000003000000050008 pt2 (XYZi)
static char *wkt_result = "{\"pcid\":0,\"pts\":[[0.02,0.03,0.05,6],[0.02,0.03,0.05,8]]}";
static char *hexresult_xdr =
"0000000000000000000000000200000002000000030000000500060000000200000003000000050008";
static char *hexresult_ndr =
"0100000000000000000200000002000000030000000500000006000200000003000000050000000800";
double d0[4] = { 0.02, 0.03, 0.05, 6 };
double d1[4] = { 0.02, 0.03, 0.05, 8 };
PCPOINT *pt0 = pc_point_from_double_array(simpleschema, d0, 4);
PCPOINT *pt1 = pc_point_from_double_array(simpleschema, d1, 4);
PCPATCH_UNCOMPRESSED *pa;
uint8_t *wkb;
size_t wkbsize;
char *hexwkb;
char *wkt;
PCPOINTLIST *pl = pc_pointlist_make(2);
pc_pointlist_add_point(pl, pt0);
pc_pointlist_add_point(pl, pt1);
pa = pc_patch_uncompressed_from_pointlist(pl);
wkb = pc_patch_uncompressed_to_wkb(pa, &wkbsize);
// printf("wkbsize %zu\n", wkbsize);
hexwkb = hexbytes_from_bytes(wkb, wkbsize);
// printf("hexwkb %s\n", hexwkb);
// printf("hexresult_ndr %s\n", hexresult_ndr);
// printf("machine_endian %d\n", machine_endian());
if ( machine_endian() == PC_NDR )
{
CU_ASSERT_STRING_EQUAL(hexwkb, hexresult_ndr);
}
else
{
CU_ASSERT_STRING_EQUAL(hexwkb, hexresult_xdr);
}
wkt = pc_patch_uncompressed_to_string(pa);
// printf("wkt %s\n", wkt);
CU_ASSERT_STRING_EQUAL(wkt, wkt_result);
pc_patch_free((PCPATCH*)pa);
pc_pointlist_free(pl);
pcfree(hexwkb);
pcfree(wkb);
pcfree(wkt);
}
char *
pc_patch_dimensional_to_string(const PCPATCH_DIMENSIONAL *pa)
{
PCPATCH_UNCOMPRESSED *patch = pc_patch_uncompressed_from_dimensional(pa);
char *str = pc_patch_uncompressed_to_string(patch);
pc_patch_free((PCPATCH*)patch);
return str;
}
static void
test_sort_consistency()
{
// 00 endian (big)
// 00000000 pcid
// 00000000 compression
// 00000002 npoints
// 0000000800000003000000050006 pt1 (XYZi)
// 0000000200000001000000040008 pt2 (XYZi)
// init data
PCPATCH *pasort;
char *pastr, *pasortstr;
uint8_t *wkbsort;
char *hexbuf = "0000000000000000000000000200000008000000030000000500060000000200000001000000040008";
size_t hexsize = strlen(hexbuf);
uint8_t *wkb = bytes_from_hexbytes(hexbuf, hexsize);
PCPATCH *pa = pc_patch_from_wkb(schema, wkb, hexsize/2);
PCPOINTLIST *li = pc_pointlist_from_patch(pa);
const char *X[] = {"X"};
// sort on X attribute
pasort = pc_patch_sort(pa, X, 1);
//chek consistency
wkbsort = pc_patch_to_wkb(pasort, &hexsize);
CU_ASSERT_EQUAL(wkb_get_pcid(wkb), wkb_get_pcid(wkbsort));
CU_ASSERT_EQUAL(wkb_get_npoints(wkb), wkb_get_npoints(wkbsort));
CU_ASSERT_EQUAL(wkb_get_compression(wkb), wkb_get_compression(wkbsort));
pastr = pc_patch_to_string(pa);
CU_ASSERT_STRING_EQUAL(pastr, "{\"pcid\":0,\"pts\":[[0.08,0.03,0.05,6],[0.02,0.01,0.04,8]]}");
pasortstr = pc_patch_to_string(pasort);
CU_ASSERT_STRING_EQUAL(pasortstr, "{\"pcid\":0,\"pts\":[[0.02,0.01,0.04,8],[0.08,0.03,0.05,6]]}");
// free
pcfree(wkb);
pcfree(wkbsort);
pcfree(pastr);
pcfree(pasortstr);
pc_patch_free(pasort);
pc_patch_free(pa);
pc_pointlist_free(li);
}
Datum pcpatch_uncompress(PG_FUNCTION_ARGS)
{
SERIALIZED_PATCH *serpa = PG_GETARG_SERPATCH_P(0);
PCSCHEMA *schema = pc_schema_from_pcid(serpa->pcid, fcinfo);
PCPATCH *patch = pc_patch_deserialize(serpa, schema);
SERIALIZED_PATCH *serpa_out = pc_patch_serialize_uncompressed(patch);
pc_patch_free(patch);
PG_RETURN_POINTER(serpa_out);
}
PCPOINT *
pc_patch_ght_pointn(const PCPATCH_GHT *patch, int n)
{
PCPATCH_UNCOMPRESSED *pu;
pu = pc_patch_uncompressed_from_ght(patch);
PCPOINT *pt = pc_patch_uncompressed_pointn(pu,n);
pc_patch_free((PCPATCH *)pu);
return pt;
}
PCPATCH_DIMENSIONAL *
pc_patch_dimensional_from_pointlist(const PCPOINTLIST *pdl)
{
PCPATCH_UNCOMPRESSED *patch = pc_patch_uncompressed_from_pointlist(pdl);
if ( ! patch ) return NULL;
PCPATCH_DIMENSIONAL *dimpatch = pc_patch_dimensional_from_uncompressed(patch);
pc_patch_free((PCPATCH*)patch);
return dimpatch;
}
static void
test_sort_patch_ndims()
{
// 00 endian (big)
// 00000000 pcid
// 00000000 compression
// 00000002 npoints
// 0000000800000001000000050006 pt1 (XYZi)
// 0000000200000003000000040008 pt2 (XYZi)
// 0000000200000002000000040008 pt2 (XYZi)
// init data
PCPATCH *pasort1, *pasort2;
char *hexbuf = "00000000000000000000000003000000080000000400000005000600000002000000030000000400080000000200000002000000040009";
size_t hexsize = strlen(hexbuf);
uint8_t *wkb = bytes_from_hexbytes(hexbuf, hexsize);
PCPATCH *pa = pc_patch_from_wkb(schema, wkb, hexsize/2);
const char *X[] = {"X"};
const char *Y[] = {"Y"};
const char *X_Y[] = {"X", "Y"};
// test that initial data is not sorted
CU_ASSERT_EQUAL(pc_patch_is_sorted(pa, X, 1, PC_FALSE), PC_FALSE);
CU_ASSERT_EQUAL(pc_patch_is_sorted(pa, Y, 1, PC_FALSE), PC_FALSE);
CU_ASSERT_EQUAL(pc_patch_is_sorted(pa, X_Y, 2, PC_FALSE), PC_FALSE);
// sort on X attribute and test
pasort1 = pc_patch_sort(pa, X, 1);
CU_ASSERT_EQUAL(pc_patch_is_sorted(pasort1, X, 1, PC_TRUE), PC_TRUE);
CU_ASSERT_EQUAL(pc_patch_is_sorted(pasort1, Y, 1, PC_TRUE), PC_FALSE);
CU_ASSERT_EQUAL(pc_patch_is_sorted(pasort1, X_Y, 2, PC_TRUE), PC_FALSE);
// sort on X and Y and tst
pasort2 = pc_patch_sort(pa, X_Y, 2);
CU_ASSERT_EQUAL(pc_patch_is_sorted(pasort2, X, 1, PC_TRUE), PC_TRUE);
CU_ASSERT_EQUAL(pc_patch_is_sorted(pasort2, Y, 1, PC_TRUE), PC_TRUE);
CU_ASSERT_EQUAL(pc_patch_is_sorted(pasort2, X_Y, 2, PC_TRUE), PC_TRUE);
// free
pcfree(wkb);
pc_patch_free(pasort1);
pc_patch_free(pasort2);
pc_patch_free(pa);
}
PCPOINTLIST *
pc_pointlist_from_ght(const PCPATCH_GHT *pag)
{
PCPATCH_UNCOMPRESSED *pu;
pu = pc_patch_uncompressed_from_ght(pag);
PCPOINTLIST *pl = pc_pointlist_from_uncompressed(pu);
pl->mem = pc_patch_uncompressed_readonly(pu);
pc_patch_free((PCPATCH *)pu);
return pl;
}
static void
test_to_string_lazperf()
{
PCPOINT *pt;
int i;
int npts = 400;
PCPOINTLIST *pl;
PCPATCH_LAZPERF *pal;
PCPATCH_UNCOMPRESSED *pau;
char *str1, *str2;
// build a list of points
pl = pc_pointlist_make(npts);
for ( i = 0; i < npts; i++ )
{
pt = pc_point_make(simpleschema);
pc_point_set_double_by_name(pt, "x", i*2.0);
pc_point_set_double_by_name(pt, "y", i*1.9);
pc_point_set_double_by_name(pt, "Z", i*0.34);
pc_point_set_double_by_name(pt, "intensity", 10);
pc_pointlist_add_point(pl, pt);
}
// build patch
pau = pc_patch_uncompressed_from_pointlist(pl);
pal = pc_patch_lazperf_from_pointlist(pl);
// get string
str1 = pc_patch_uncompressed_to_string(pau);
str2 = pc_patch_lazperf_to_string(pal);
// compare
CU_ASSERT_STRING_EQUAL(str1, str2);
// free
pc_patch_free((PCPATCH*) pal);
pc_patch_free((PCPATCH*) pau);
pc_pointlist_free(pl);
pcfree(str1);
pcfree(str2);
}
static void
test_patch_set_schema_compression_none_offset()
{
// init data
PCPATCH_UNCOMPRESSED *pau;
PCPATCH *pat;
PCPOINTLIST *pl;
PCPOINT *pt;
PCSCHEMA *new_schema;
char *str;
int i;
int npts = 4;
// build a patch
pl = pc_pointlist_make(npts);
for ( i = npts; i >= 0; i-- )
{
pt = pc_point_make(simpleschema_nointensity);
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_pointlist_add_point(pl, pt);
}
pau = pc_patch_uncompressed_from_pointlist(pl);
new_schema = pc_schema_clone(simpleschema);
new_schema->dims[3]->offset = 10;
// assign a valid schema to the patch
pat = pc_patch_set_schema((PCPATCH *) pau, new_schema, 0.0);
CU_ASSERT(pat != NULL);
str = pc_patch_to_string(pat);
CU_ASSERT_STRING_EQUAL(str, "{\"pcid\":0,\"pts\":[[0.4,0.8,1.2,10],[0.3,0.6,0.9,10],[0.2,0.4,0.6,10],[0.1,0.2,0.3,10],[0,0,0,10]]}");
pcfree(str);
pc_patch_free(pat);
pc_schema_free(new_schema);
pc_patch_free((PCPATCH*) pau);
pc_pointlist_free(pl);
}
/**
* Pivot a pointlist into a dimlist and back.
* Test for data loss or alteration.
*/
static void
test_patch_dimensional()
{
PCPOINT *pt;
int i;
int npts = 10;
PCPOINTLIST *pl1, *pl2;
PCPATCH_DIMENSIONAL *pdl;
PCDIMSTATS *pds;
pl1 = pc_pointlist_make(npts);
for ( i = 0; i < npts; i++ )
{
pt = pc_point_make(simpleschema);
pc_point_set_double_by_name(pt, "x", i*2.0);
pc_point_set_double_by_name(pt, "y", i*1.9);
pc_point_set_double_by_name(pt, "Z", i*0.34);
pc_point_set_double_by_name(pt, "intensity", 10);
pc_pointlist_add_point(pl1, pt);
}
pdl = pc_patch_dimensional_from_pointlist(pl1);
pl2 = pc_pointlist_from_dimensional(pdl);
for ( i = 0; i < npts; i++ )
{
pt = pc_pointlist_get_point(pl2, i);
double v1, v2, v3, v4;
pc_point_get_double_by_name(pt, "x", &v1);
pc_point_get_double_by_name(pt, "y", &v2);
pc_point_get_double_by_name(pt, "Z", &v3);
pc_point_get_double_by_name(pt, "intensity", &v4);
// printf("%g\n", v4);
CU_ASSERT_DOUBLE_EQUAL(v1, i*2.0, 0.001);
CU_ASSERT_DOUBLE_EQUAL(v2, i*1.9, 0.001);
CU_ASSERT_DOUBLE_EQUAL(v3, i*0.34, 0.001);
CU_ASSERT_DOUBLE_EQUAL(v4, 10, 0.001);
}
pds = pc_dimstats_make(simpleschema);
pc_dimstats_update(pds, pdl);
pc_dimstats_update(pds, pdl);
pc_patch_free((PCPATCH*)pdl);
pc_pointlist_free(pl1);
pc_pointlist_free(pl2);
pc_dimstats_free(pds);
}
Datum pcpatch_out(PG_FUNCTION_ARGS)
{
PCPATCH *patch = NULL;
SERIALIZED_PATCH *serpatch = NULL;
char *hexwkb = NULL;
PCSCHEMA *schema = NULL;
serpatch = PG_GETARG_SERPATCH_P(0);
schema = pc_schema_from_pcid(serpatch->pcid, fcinfo);
patch = pc_patch_deserialize(serpatch, schema);
hexwkb = pc_patch_to_hexwkb(patch);
pc_patch_free(patch);
PG_RETURN_CSTRING(hexwkb);
}
/**
* Convert struct to byte array.
* Userdata is currently only PCDIMSTATS, hopefully updated across
* a number of iterations and saved.
*/
SERIALIZED_PATCH *
pc_patch_serialize(const PCPATCH *patch_in, void *userdata)
{
PCPATCH *patch = (PCPATCH*)patch_in;
SERIALIZED_PATCH *serpatch = NULL;
/*
* Ensure the patch has stats calculated before going on
*/
if ( ! patch->stats )
{
pcerror("%s: patch is missing stats", __func__);
return NULL;
}
/*
* Convert the patch to the final target compression,
* which is the one in the schema.
*/
if ( patch->type != patch->schema->compression )
{
patch = pc_patch_compress(patch_in, userdata);
}
switch( patch->type )
{
case PC_NONE:
{
serpatch = pc_patch_uncompressed_serialize(patch);
break;
}
case PC_DIMENSIONAL:
{
serpatch = pc_patch_dimensional_serialize(patch);
break;
}
case PC_GHT:
{
serpatch = pc_patch_ght_serialize(patch);
break;
}
default:
{
pcerror("%s: unsupported compression type %d", __func__, patch->type);
}
}
if ( patch != patch_in )
pc_patch_free(patch);
return serpatch;
}
static void
test_sort_stable()
{
// 00 endian (big)
// 00000000 pcid
// 00000000 compression
// 00000002 npoints
// 0000000800000003000000050006 pt1 (XYZi)
// 0000000200000003000000040008 pt2 (XYZi)
// 0000000200000003000000040009 pt3 (XYZi)
// init data
PCPATCH *pasort;
char *hexbuf = "00000000000000000000000003000000080000000300000005000600000002000000030000000400080000000200000003000000040009";
size_t hexsize = strlen(hexbuf);
uint8_t *wkb = bytes_from_hexbytes(hexbuf, hexsize);
PCPATCH *pa = pc_patch_from_wkb(schema, wkb, hexsize/2);
PCPOINTLIST *li = pc_pointlist_from_patch(pa);
const char *dims[] = {"Y"};
// sort on Y attribute
pasort = pc_patch_sort(pa, dims, 1);
// check that sort is stable
char *pastr = pc_patch_to_string(pa);
char *pasortstr = pc_patch_to_string(pasort);
CU_ASSERT_STRING_EQUAL(pastr, pasortstr);
// free
free(pastr);
free(pasortstr);
pcfree(wkb);
pc_patch_free(pa);
pc_patch_free(pasort);
pc_pointlist_free(li);
}