C++ (Cpp) pc_patch_serialize Examples

Example #1

File: pc_access.c Project: kjartab/pointcloud

Datum pcpatch_from_pcpoint_array(PG_FUNCTION_ARGS)
{
	ArrayType *array;
	PCPATCH *pa;
	SERIALIZED_PATCH *serpa;

    if ( PG_ARGISNULL(0) )
        PG_RETURN_NULL();

	array = DatumGetArrayTypeP(PG_GETARG_DATUM(0));
    pa = pcpatch_from_point_array(array, fcinfo);
    if ( ! pa )
        PG_RETURN_NULL();

	serpa = pc_patch_serialize(pa, NULL);
	pc_patch_free(pa);
	PG_RETURN_POINTER(serpa);
}

Example #2

File: pc_access.c Project: kjartab/pointcloud

Datum pcpatch_agg_final_pcpatch(PG_FUNCTION_ARGS)
{
    ArrayType *array;
	abs_trans *a;
    PCPATCH *pa;
    SERIALIZED_PATCH *serpa;

	if (PG_ARGISNULL(0))
		PG_RETURN_NULL();   /* returns null iff no input values */

	a = (abs_trans*) PG_GETARG_POINTER(0);

	array = DatumGetArrayTypeP(pointcloud_agg_final(a, CurrentMemoryContext, fcinfo));
    pa = pcpatch_from_patch_array(array, fcinfo);
    if ( ! pa )
        PG_RETURN_NULL();
	
    serpa = pc_patch_serialize(pa, NULL);
    pc_patch_free(pa);
    PG_RETURN_POINTER(serpa);
}

Example #3

File: pc_inout.c Project: achidlow/pointcloud

Datum pcpatch_in(PG_FUNCTION_ARGS)
{
	char *str = PG_GETARG_CSTRING(0);
	/* Datum geog_oid = PG_GETARG_OID(1); Not needed. */
	uint32 typmod = 0, pcid = 0;
	PCPATCH *patch;
	SERIALIZED_PATCH *serpatch = NULL;

	if ( (PG_NARGS()>2) && (!PG_ARGISNULL(2)) )
	{
		typmod = PG_GETARG_INT32(2);
		pcid = pcid_from_typmod(typmod);
	}

	/* Empty string. */
	if ( str[0] == '\0' )
	{
		ereport(ERROR,(errmsg("pcpatch parse error - empty string")));
	}

	/* Binary or text form? Let's find out. */
	if ( str[0] == '0' )
	{
		/* Hex-encoded binary */
		patch = pc_patch_from_hexwkb(str, strlen(str), fcinfo);
		pcid_consistent(patch->schema->pcid, pcid);
		serpatch = pc_patch_serialize(patch, NULL);
		pc_patch_free(patch);
	}
	else
	{
		ereport(ERROR,(errmsg("parse error - support for text format not yet implemented")));
	}

	if ( serpatch ) PG_RETURN_POINTER(serpatch);
	else PG_RETURN_NULL();
}