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https://git.osgeo.org/gitea/postgis/postgis
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Initial WKB functionalities
git-svn-id: http://svn.osgeo.org/postgis/trunk@1018 b70326c6-7e19-0410-871a-916f4a2858ee
This commit is contained in:
Sandro Santilli
parent
c69644c1c6
commit
4651898edb
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@ -29,6 +29,19 @@
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#include <unistd.h>
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#include "getopt.h"
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//#define USE_WKB 1
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#define POINTTYPE 1
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#define LINETYPE 2
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#define POLYGONTYPE 3
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#define MULTIPOINTTYPE 4
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#define MULTILINETYPE 5
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#define MULTIPOLYGONTYPE 6
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#define COLLECTIONTYPE 7
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#define TYPE_SETTYPE(c,t) ((c)=(((c)&0xF0)|(t)))
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#define TYPE_SETZM(t,z,m) ((t)=(((t)&0xCF)|((z)<<5)|((m)<<4)))
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typedef struct {double x, y, z, m;} Point;
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typedef struct Ring {
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@ -48,6 +61,7 @@ char *geom;
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char *pgtype;
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int istypeM;
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int pgdims;
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unsigned char pgtypeflag;
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char *shp_file;
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DBFFieldType *types; /* Fields type, width and precision */
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@ -76,6 +90,13 @@ void InsertLineString(int id);
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int parse_cmdline(int ARGC, char **ARGV);
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void SetPgType(void);
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char *dump_ring(Ring *ring);
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#ifdef USE_WKB
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static char getEndianByte(void);
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static const char *wkb_bytes(char* ptr, unsigned int cnt, size_t size);
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static const char *wkb_byte(char val);
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static const char *wkb_int(int val);
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static const char *wkb_double(double val);
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#endif
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static char rcsid[] =
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"$Id$";
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@ -1060,53 +1081,93 @@ InsertPoint()
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{
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unsigned int u;
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if (dump_format) printf("SRID=%s ;%s(",sr_id,pgtype );
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#ifdef USE_WKB
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if (!dump_format) printf("'");
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printf("SRID=%s;%s%s", sr_id,
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wkb_byte(getEndianByte()),
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wkb_int(pgtypeflag));
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#else
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if (dump_format) printf("SRID=%s;%s(",sr_id,pgtype );
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else printf("GeometryFromText('%s(", pgtype);
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#endif
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if ( pgdims == 4 )
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{
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for (u=0;u<obj->nVertices; u++){
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#ifdef USE_WKB
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printf("%s%s%s%s",
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wkb_double(obj->padfX[u]),
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wkb_double(obj->padfY[u]),
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wkb_double(obj->padfZ[u]),
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wkb_double(obj->padfM[u]));
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#else
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if (u) printf(",");
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printf("%.15g %.15g %.15g %.15g",
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obj->padfX[u],
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obj->padfY[u],
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obj->padfZ[u],
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obj->padfM[u]);
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#endif // USE_WKB
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}
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}
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else if ( pgdims == 2 )
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{
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for (u=0;u<obj->nVertices; u++){
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#ifdef USE_WKB
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printf("%s%s",
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wkb_double(obj->padfX[u]),
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wkb_double(obj->padfY[u]));
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#else
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if (u>0) printf(",");
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printf("%.15g %.15g",
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obj->padfX[u],
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obj->padfY[u]);
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#endif // USE_WKB
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}
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}
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else if ( istypeM )
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{
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for (u=0;u<obj->nVertices; u++){
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#ifdef USE_WKB
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printf("%s%s%s",
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wkb_double(obj->padfX[u]),
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wkb_double(obj->padfY[u]),
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wkb_double(obj->padfM[u]));
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#else
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if (u) printf(",");
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printf("%.15g %.15g %.15g",
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obj->padfX[u],
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obj->padfY[u],
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obj->padfM[u]);
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#endif // USE_WKB
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}
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}
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else // POINT3dZ -- should never happen
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{
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fprintf(stderr, "InsertPoint: writing XYZ (loosing M)\n");
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for (u=0;u<obj->nVertices; u++){
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#ifdef USE_WKB
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printf("%s%s%s",
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wkb_double(obj->padfX[u]),
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wkb_double(obj->padfY[u]),
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wkb_double(obj->padfZ[u]));
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#else
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if (u>0) printf(",");
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printf("%.15g %.15g %.15g",
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obj->padfX[u],
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obj->padfY[u],
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obj->padfZ[u]);
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#endif // USE_WKB
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}
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}
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#ifdef USE_WKB
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if (dump_format) printf("\n");
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else printf("');\n");
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#else
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if (dump_format) printf(")\n");
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else printf(")',%s) );\n",sr_id);
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#endif // USE_WKB
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}
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@ -1198,58 +1259,84 @@ SetPgType()
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{
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case SHPT_POINT: // Point
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pgtype = "POINT";
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pgtypeflag = POINTTYPE;
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TYPE_SETZM(pgtypeflag, 0, 0);
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pgdims = 2;
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break;
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case SHPT_ARC: // PolyLine
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pgtype = "MULTILINESTRING";
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pgtypeflag = MULTILINETYPE;
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TYPE_SETZM(pgtypeflag, 0, 0);
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pgdims = 2;
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break;
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case SHPT_POLYGON: // Polygon
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pgtype = "MULTIPOLYGON";
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pgtypeflag = MULTIPOLYGONTYPE;
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TYPE_SETZM(pgtypeflag, 0, 0);
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pgdims = 2;
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break;
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case SHPT_MULTIPOINT: // MultiPoint
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pgtype = "MULTIPOINT";
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pgtypeflag = MULTIPOINTTYPE;
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TYPE_SETZM(pgtypeflag, 0, 0);
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pgdims = 2;
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break;
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case SHPT_POINTM: // PointM
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pgtype = "POINTM";
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pgtypeflag = POINTTYPE;
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TYPE_SETZM(pgtypeflag, 0, 1);
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pgdims = 3;
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istypeM = 1;
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break;
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case SHPT_ARCM: // PolyLineM
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pgtype = "MULTILINESTRINGM";
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pgtypeflag = MULTILINETYPE;
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TYPE_SETZM(pgtypeflag, 0, 1);
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pgdims = 3;
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istypeM = 1;
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break;
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case SHPT_POLYGONM: // PolygonM
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pgtype = "MULTIPOLYGONM";
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pgtypeflag = MULTIPOLYGONTYPE;
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TYPE_SETZM(pgtypeflag, 0, 1);
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pgdims = 3;
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istypeM = 1;
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break;
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case SHPT_MULTIPOINTM: // MultiPointM
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pgtype = "MULTIPOINTM";
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pgtypeflag = MULTIPOINTTYPE;
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TYPE_SETZM(pgtypeflag, 0, 1);
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pgdims = 3;
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istypeM = 1;
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break;
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case SHPT_POINTZ: // PointZ
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pgtype = "POINT";
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pgtypeflag = POINTTYPE;
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TYPE_SETZM(pgtypeflag, 1, 1);
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pgdims = 4;
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break;
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case SHPT_ARCZ: // PolyLineZ
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pgtype = "MULTILINESTRING";
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pgtypeflag = MULTILINETYPE;
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TYPE_SETZM(pgtypeflag, 1, 1);
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pgdims = 4;
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break;
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case SHPT_POLYGONZ: // MultiPolygonZ
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pgtype = "MULTIPOLYGON";
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pgtypeflag = MULTIPOLYGONTYPE;
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TYPE_SETZM(pgtypeflag, 1, 1);
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pgdims = 4;
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break;
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case SHPT_MULTIPOINTZ: // MultiPointZ
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pgtype = "MULTIPOINT";
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pgtypeflag = MULTIPOINTTYPE;
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TYPE_SETZM(pgtypeflag, 1, 1);
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pgdims = 4;
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break;
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default:
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pgtype = "GEOMETRY";
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pgtypeflag = COLLECTIONTYPE;
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TYPE_SETZM(pgtypeflag, 1, 1);
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pgdims = 4;
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fprintf(stderr, "Unknown geometry type: %d\n",
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shpfiletype);
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@ -1272,8 +1359,70 @@ dump_ring(Ring *ring)
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}
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return buf;
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}
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#ifdef USE_WKB
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static char outchr[]={"0123456789ABCDEF" };
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static int endian_check_int = 1; // dont modify this!!!
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static char getEndianByte()
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{
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// 0 = big endian, 1 = little endian
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if ( *((char *) &endian_check_int) ) return 1;
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else return 0;
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}
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static const char *
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wkb_double(double val)
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{
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return wkb_bytes((char *)&val, 1, 8);
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}
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static const char *
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wkb_byte(char val)
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{
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return wkb_bytes((char *)&val, 1, 1);
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}
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static const char *
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wkb_int(int val)
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{
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return wkb_bytes((char *)&val, 1, 4);
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}
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static const char *
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wkb_bytes(char *ptr, unsigned int cnt, size_t size)
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{
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unsigned int bc; // byte count
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static char buf[256];
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char *bufp;
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if ( size*cnt*2 > 256 )
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{
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fprintf(stderr,
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"You found a bug! wkb_bytes does not allocate enough bytes");
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exit(4);
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}
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bufp = buf;
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while(cnt--){
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for(bc=0; bc<size; bc++)
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{
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*bufp++ = outchr[ptr[bc]>>4];
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*bufp++ = outchr[ptr[bc]&0x0F];
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}
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}
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*bufp = '\0';
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return buf;
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}
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#endif // USE_WKB
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/**********************************************************************
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* $Log$
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* Revision 1.70 2004/10/15 22:01:35 strk
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* Initial WKB functionalities
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*
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* Revision 1.69 2004/10/07 21:52:28 strk
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* Lots of rewriting/cleanup. TypeM/TypeZ supports.
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*
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