PostGIS  3.4.0dev-r@@SVN_REVISION@@

◆ create_linestring()

static SHPObject * create_linestring ( SHPDUMPERSTATE state,
LWLINE lwlinestring 
)
static

Definition at line 366 of file pgsql2shp-core.c.

367 {
368  SHPObject *obj;
369  POINT4D p4d;
370  uint32_t i;
371 
372  double *xpts, *ypts, *zpts, *mpts;
373 
374  /* Allocate storage for points */
375  xpts = malloc(sizeof(double) * lwlinestring->points->npoints);
376  ypts = malloc(sizeof(double) * lwlinestring->points->npoints);
377  zpts = malloc(sizeof(double) * lwlinestring->points->npoints);
378  mpts = malloc(sizeof(double) * lwlinestring->points->npoints);
379 
380  /* Grab the points: note getPoint4d will correctly handle
381  the case where the POINTs don't contain Z or M coordinates */
382  for (i = 0; i < lwlinestring->points->npoints; i++)
383  {
384  p4d = getPoint4d(lwlinestring->points, i);
385 
386  xpts[i] = p4d.x;
387  ypts[i] = p4d.y;
388  zpts[i] = p4d.z;
389  mpts[i] = p4d.m;
390 
391  LWDEBUGF(4, "Linestring - Point: %g %g %g %g", i, xpts[i], ypts[i], zpts[i], mpts[i]);
392  }
393 
394  obj = SHPCreateObject(state->outshptype, -1, 0, NULL, NULL, lwlinestring->points->npoints, xpts, ypts, zpts, mpts);
395 
396  free(xpts);
397  free(ypts);
398  free(zpts);
399  free(mpts);
400 
401  return obj;
402 }
POINT4D getPoint4d(const POINTARRAY *pa, uint32_t n)
Definition: lwgeom_api.c:108
#define LWDEBUGF(level, msg,...)
Definition: lwgeom_log.h:88
void * malloc(YYSIZE_T)
void free(void *)
SHPObject SHPAPI_CALL1 * SHPCreateObject(int nSHPType, int nShapeId, int nParts, const int *panPartStart, const int *panPartType, int nVertices, const double *padfX, const double *padfY, const double *padfZ, const double *padfM);SHPObject SHPAPI_CALL1(*) SHPCreateSimpleObject(int nSHPType, int nVertices, const double *padfX, const double *padfY, const double *padfZ
POINTARRAY * points
Definition: liblwgeom.h:483
double m
Definition: liblwgeom.h:414
double x
Definition: liblwgeom.h:414
double z
Definition: liblwgeom.h:414
double y
Definition: liblwgeom.h:414
uint32_t npoints
Definition: liblwgeom.h:427

References free(), getPoint4d(), LWDEBUGF, POINT4D::m, malloc(), POINTARRAY::npoints, shp_dumper_state::outshptype, LWLINE::points, SHPCreateObject(), POINT4D::x, POINT4D::y, and POINT4D::z.

Referenced by ShpLoaderGenerateShapeRow().

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