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_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_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_patch_filter_lazperf_zero_point()
{
PCPOINT *pt;
int i;
int npts = 5;
PCPOINTLIST *pl;
PCPATCH_LAZPERF *pal;
PCPATCH *pa;
// 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
pal = pc_patch_lazperf_from_pointlist(pl);
// filter with a resulting patch of 0 point(s)
pa = pc_patch_filter((PCPATCH*) pal, 0, PC_BETWEEN, 0.0, 0.0);
CU_ASSERT_EQUAL(pa->npoints, 0);
pc_patch_free((PCPATCH*) pal);
pc_patch_free((PCPATCH*) pa);
pc_pointlist_free(pl);
}
static void
test_patch_range_compression_lazperf()
{
int i;
int npts = 20;
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_lazperf_from_pointlist(pl);
par = pc_patch_range(pa, 16, 4);
str = pc_patch_to_string(par);
CU_ASSERT_STRING_EQUAL(str,
"{\"pcid\":0,\"pts\":[[15,15,1.5,85],[16,16,1.6,84],[17,17,1.7,83],[18,18,1.8,82]]}");
pcfree(str);
pc_patch_free(par);
pc_patch_free(pa);
pc_pointlist_free(pl);
}
PCPOINTLIST *
pc_pointlist_from_dimensional(const PCPATCH_DIMENSIONAL *pdl)
{
PCPOINTLIST *pl;
PCPATCH_DIMENSIONAL *pdl_uncompressed;
const PCSCHEMA *schema = pdl->schema;
int i, j, ndims, npoints;
assert(pdl);
pdl_uncompressed = pc_patch_dimensional_decompress(pdl);
ndims = schema->ndims;
npoints = pdl->npoints;
pl = pc_pointlist_make(npoints);
for ( i = 0; i < npoints; i++ )
{
PCPOINT *pt = pc_point_make(schema);
for ( j = 0; j < ndims; j++ )
{
PCDIMENSION *dim = pc_schema_get_dimension(schema, j);
uint8_t *in = pdl_uncompressed->bytes[j].bytes + dim->size * i;
uint8_t *out = pt->data + dim->byteoffset;
memcpy(out, in, dim->size);
}
pc_pointlist_add_point(pl, pt);
}
pc_patch_dimensional_free(pdl_uncompressed);
return pl;
}
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);
}
/*
* 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);
}
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);
}
/**
* 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);
}
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_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);
}
PCPOINTLIST *
pc_pointlist_from_uncompressed(const PCPATCH_UNCOMPRESSED *patch)
{
int i;
PCPOINTLIST *pl;
size_t pt_size = patch->schema->size;
uint32_t npoints = patch->npoints;
pl = pc_pointlist_make(npoints);
for ( i = 0; i < npoints; i++ )
{
pc_pointlist_add_point(pl, pc_point_from_data(patch->schema, patch->data + i*pt_size));
}
return pl;
}
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);
}
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_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);
}
static void
test_patch_dimensional_extent()
{
PCPOINT *pt;
int i, rv;
int npts = 2;
PCPOINTLIST *pl1;
PCPATCH_DIMENSIONAL *pch1;
pl1 = pc_pointlist_make(npts);
for ( i = 1; i <= npts; i++ )
{
pt = pc_point_make(simpleschema);
pc_point_set_double_by_name(pt, "x", 5+i*1);
pc_point_set_double_by_name(pt, "y", -i*10);
pc_point_set_double_by_name(pt, "Z", i*0.2);
pc_point_set_double_by_name(pt, "intensity", -5);
pc_pointlist_add_point(pl1, pt);
}
pch1 = pc_patch_dimensional_from_pointlist(pl1);
CU_ASSERT_EQUAL(pch1->bounds.xmin, 6);
CU_ASSERT_EQUAL(pch1->bounds.xmax, 7);
CU_ASSERT_EQUAL(pch1->bounds.ymin, -20);
CU_ASSERT_EQUAL(pch1->bounds.ymax, -10);
rv = pc_patch_dimensional_compute_extent(pch1);
CU_ASSERT_EQUAL(rv, PC_SUCCESS);
CU_ASSERT_EQUAL(pch1->bounds.xmin, 6);
CU_ASSERT_EQUAL(pch1->bounds.xmax, 7);
CU_ASSERT_EQUAL(pch1->bounds.ymin, -20);
CU_ASSERT_EQUAL(pch1->bounds.ymax, -10);
pc_patch_free((PCPATCH*)pch1);
pc_pointlist_free(pl1);
}
static void
test_patch_transform_compression_none()
{
// init data
PCPATCH_UNCOMPRESSED *pau;
PCSCHEMA *nschema;
PCPOINTLIST *pl;
PCPATCH *pa;
PCPOINT *pt;
char *str;
int i;
int npts = 5;
uint8_t *wkb;
size_t wkbsize;
// build a patch
pl = pc_pointlist_make(npts);
for ( i = (npts - 1); 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);
}
pau = pc_patch_uncompressed_from_pointlist(pl);
// create a new schema, and use 0.02 scale values for x, y and z
nschema = pc_schema_clone(simpleschema);
nschema->xdim->scale = 0.02;
nschema->ydim->scale = 0.02;
nschema->zdim->scale = 0.02;
// transform the patch
pa = pc_patch_transform((PCPATCH*) pau, nschema, 0.0);
CU_ASSERT(pa != NULL);
// check point 1
// expected: x=hex(20)=0x14, y=hex(40)=0x28, z=hex(60)=0x3C, I=hex(10)=0x0A
pt = pc_patch_pointn(pa, 1);
wkb = pc_point_to_wkb(pt, &wkbsize);
str = hexbytes_from_bytes(wkb, wkbsize);
CU_ASSERT_STRING_EQUAL(str, "010000000014000000280000003C0000000A00");
pcfree(str);
pcfree(wkb);
pc_point_free(pt);
// check point 2
// expected: x=hex(15)=0x0F, y=hex(30)=0x1E, z=hex(45)=0x2D, I=hex(10)=0x0A
pt = pc_patch_pointn(pa, 2);
wkb = pc_point_to_wkb(pt, &wkbsize);
str = hexbytes_from_bytes(wkb, wkbsize);
CU_ASSERT_STRING_EQUAL(str, "01000000000F0000001E0000002D0000000A00");
pcfree(str);
pcfree(wkb);
pc_point_free(pt);
// check point 3
// expected: x=hex(10)=0x0A, y=hex(20)=0x14, z=hex(30)=0x1E, I=hex(10)=0x0A
pt = pc_patch_pointn(pa, 3);
wkb = pc_point_to_wkb(pt, &wkbsize);
str = hexbytes_from_bytes(wkb, wkbsize);
CU_ASSERT_STRING_EQUAL(str, "01000000000A000000140000001E0000000A00");
pcfree(str);
pcfree(wkb);
pc_point_free(pt);
// check point 4
// expected: x=hex(5)=0x05, y=hex(10)=0x0A, z=hex(15)=0x0F, I=hex(10)=0x0A
pt = pc_patch_pointn(pa, 4);
wkb = pc_point_to_wkb(pt, &wkbsize);
str = hexbytes_from_bytes(wkb, wkbsize);
CU_ASSERT_STRING_EQUAL(str, "0100000000050000000A0000000F0000000A00");
pcfree(str);
pcfree(wkb);
pc_point_free(pt);
// check point 5
// expected: x=hex(0)=0x00, y=hex(0)=0x00, z=hex(0)=0x00, I=hex(10)=0x0A
pt = pc_patch_pointn(pa, 5);
wkb = pc_point_to_wkb(pt, &wkbsize);
str = hexbytes_from_bytes(wkb, wkbsize);
CU_ASSERT_STRING_EQUAL(str, "01000000000000000000000000000000000A00");
pcfree(str);
pcfree(wkb);
pc_point_free(pt);
pc_patch_free(pa);
pc_schema_free(nschema);
pc_patch_free((PCPATCH*) pau);
pc_pointlist_free(pl);
}
/**
* Test the function which clone a patch keeping only a part of dimensions, numerous print to see what happens
*/
static void
test_patch_subset()
{
int i;
int npts = 20;
PCPOINTLIST *pl1,*pl2 ;
PCPATCH_UNCOMPRESSED *pu1, *pu2;
PCPATCH *pa1, *pa2, *pa3, *pa4;
PCDIMSTATS *pds = NULL;
size_t z1, z2;
uint8_t *wkb1, *wkb2;
char *str1;
//getting a test patch
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*2.8);
pc_point_set_double_by_name(pt1, "y", i*1.3);
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));
//testing the function :
// printf("testing the dimension-reduction function\n");
//printf("\n\n position of x : %i \n\n",pc_schema_get_dimension_position_by_name(pa1->schema, "x"));
uint32_t new_dim_number = 2;
char *dim_to_keep[] = { "y", "x" };
uint32_t dim_position[2];
int i2 ;
//test of pc_schema_get_dimension_position_by_name
/*
for(i2=0;i2<new_dim_number;i2++)
{
dim_position[i2] = pc_schema_get_dimension_position_by_name(pa1->schema, dim_to_keep[i2]);
printf("\n dimension %s has position %d",dim_to_keep[i2],dim_position[i2] );
}
printf("\n");
* */
//printf("\n the original schema to json : %s",pc_schema_to_json(pa1->schema));
//test of pc_bounds_to_string(PCBOUNDS *b)
//testing the function pc_patch_dimensional_bytes_array_to_string
//printf(" the original PCBYTES array :%s",pc_patch_dimensional_bytes_array_to_string((PCPATCH_DIMENSIONAL*)pa1));
//testing dimstat function :
//creating dimstats
//pds = pc_dimstats_make(simpleschema);
//pc_dimstats_update(pds, (PCPATCH_DIMENSIONAL*)pa1);
//testing function :
//PCDIMSTATS * o_dimstats = pc_dimstats_clone_subset(pds,dim_position, new_dim_number);
//testing reduce_dimension function
//printf("\n \n beginning test of patch_reduce_dimension \n ");
pa3 = pc_patch_reduce_dimension(pa1, dim_to_keep, new_dim_number);
//printf("\n the schema to json : %s",pc_schema_to_json(pa3->schema));
// printf("\n the stats to json : %s",pc_stats_to_json(pa3->stats));
// printf("\n \n \n the patch to json : %s" , pc_patch_to_string(pa3));
//printf(" the pa3 PCBYTES array :%s",pc_patch_dimensional_bytes_array_to_string((PCPATCH_DIMENSIONAL*)pa3));
//test of the serialize / deserialize function to emulate the pc_acess top function
//test on the result pathc :
//test of pc_bounds_to_string(PCBOUNDS *b)
//printf("the bounds of pa3 : %s \n", pc_bounds_to_string( &(pa3->bounds) ) );
//the test on result patch : should return a new patch with only Y and X dimension
// printf("%s",pc_patch_to_string( pa3));
CU_ASSERT_STRING_EQUAL(pc_patch_to_string( pa3), "{\"pcid\":0,\"pts\":[[0,0],[1.3,2.8],[2.6,5.6],[3.9,8.4],[5.2,11.2],[6.5,14],[7.8,16.8],[9.1,19.6],[10.4,22.4],[11.7,25.2],[13,28],[14.3,30.8],[15.6,33.6],[16.9,36.4],[18.2,39.2],[19.5,42],[20.8,44.8],[22.1,47.6],[23.4,50.4],[24.7,53.2]]}");
return;
//test on schema :
printf("%s",pc_schema_to_json(pa3->schema ));
printf("pa1\n%s\n", pc_patch_to_string(pa3));
//cleaning
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 PCPATCH *
pcpatch_from_point_array(ArrayType *array, FunctionCallInfoData *fcinfo)
{
int nelems;
bits8 *bitmap;
int bitmask;
size_t offset = 0;
int i;
uint32 pcid = 0;
PCPATCH *pa;
PCPOINTLIST *pl;
PCSCHEMA *schema = 0;
/* How many things in our array? */
nelems = ArrayGetNItems(ARR_NDIM(array), ARR_DIMS(array));
/* PgSQL supplies a bitmap of which array entries are null */
bitmap = ARR_NULLBITMAP(array);
/* Empty array? Null return */
if ( nelems == 0 )
return NULL;
/* Make our holder */
pl = pc_pointlist_make(nelems);
offset = 0;
bitmap = ARR_NULLBITMAP(array);
bitmask = 1;
for ( i = 0; i < nelems; i++ )
{
/* Only work on non-NULL entries in the array */
if ( ! array_get_isnull(bitmap, i) )
{
SERIALIZED_POINT *serpt = (SERIALIZED_POINT *)(ARR_DATA_PTR(array)+offset);
PCPOINT *pt;
if ( ! schema )
{
schema = pc_schema_from_pcid(serpt->pcid, fcinfo);
}
if ( ! pcid )
{
pcid = serpt->pcid;
}
else if ( pcid != serpt->pcid )
{
elog(ERROR, "pcpatch_from_point_array: pcid mismatch (%d != %d)", serpt->pcid, pcid);
}
pt = pc_point_deserialize(serpt, schema);
if ( ! pt )
{
elog(ERROR, "pcpatch_from_point_array: point deserialization failed");
}
pc_pointlist_add_point(pl, pt);
offset += INTALIGN(VARSIZE(serpt));
}
}
if ( pl->npoints == 0 )
return NULL;
pa = pc_patch_from_pointlist(pl);
pc_pointlist_free(pl);
return pa;
}
static void
test_patch_dimensional_compression()
{
PCPOINT *pt;
int i;
int npts = 400;
PCPOINTLIST *pl1, *pl2;
PCPATCH_DIMENSIONAL *pch1, *pch2;
PCDIMSTATS *pds = NULL;
//size_t z1, z2;
char *str;
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);
}
pch1 = pc_patch_dimensional_from_pointlist(pl1);
// z1 = pc_patch_dimensional_serialized_size(pch1);
// printf("z1 %ld\n", z1);
pds = pc_dimstats_make(simpleschema);
pc_dimstats_update(pds, pch1);
pc_dimstats_update(pds, pch1);
pch2 = pc_patch_dimensional_compress(pch1, pds);
// z2 = pc_patch_dimensional_serialized_size(pch2);
// printf("z2 %ld\n", z2);
str = pc_dimstats_to_string(pds);
CU_ASSERT_STRING_EQUAL(str, "{\"ndims\":4,\"total_points\":1200,\"total_patches\":3,\"dims\":[{\"total_runs\":1200,\"total_commonbits\":45,\"recommended_compression\":2},{\"total_runs\":1200,\"total_commonbits\":45,\"recommended_compression\":2},{\"total_runs\":1200,\"total_commonbits\":54,\"recommended_compression\":2},{\"total_runs\":3,\"total_commonbits\":48,\"recommended_compression\":1}]}");
// printf("%s\n", str);
pcfree(str);
pl2 = pc_pointlist_from_dimensional(pch2);
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);
}
pc_patch_free((PCPATCH*)pch1);
pc_patch_free((PCPATCH*)pch2);
pc_pointlist_free(pl1);
pc_pointlist_free(pl2);
if ( pds ) pc_dimstats_free(pds);
}