PostGIS  3.7.0dev-r@@SVN_REVISION@@

◆ create_linestring()

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

Definition at line 369 of file pgsql2shp-core.c.

370 {
371  SHPObject *obj;
372  POINT4D p4d;
373  uint32_t i;
374 
375  double *xpts, *ypts, *zpts, *mpts;
376 
377  /* Allocate storage for points */
378  xpts = malloc(sizeof(double) * lwlinestring->points->npoints);
379  ypts = malloc(sizeof(double) * lwlinestring->points->npoints);
380  zpts = malloc(sizeof(double) * lwlinestring->points->npoints);
381  mpts = malloc(sizeof(double) * lwlinestring->points->npoints);
382 
383  /* Grab the points: note getPoint4d will correctly handle
384  the case where the POINTs don't contain Z or M coordinates */
385  for (i = 0; i < lwlinestring->points->npoints; i++)
386  {
387  p4d = getPoint4d(lwlinestring->points, i);
388 
389  xpts[i] = p4d.x;
390  ypts[i] = p4d.y;
391  zpts[i] = p4d.z;
392  mpts[i] = p4d.m;
393 
394  LWDEBUGF(4, "Linestring - Point: [%u] %g %g %g %g", i, xpts[i], ypts[i], zpts[i], mpts[i]);
395  }
396 
397  obj = SHPCreateObject(state->outshptype, -1, 0, NULL, NULL, lwlinestring->points->npoints, xpts, ypts, zpts, mpts);
398 
399  free(xpts);
400  free(ypts);
401  free(zpts);
402  free(mpts);
403 
404  return obj;
405 }
POINT4D getPoint4d(const POINTARRAY *pa, uint32_t n)
Definition: lwgeom_api.c:107
#define LWDEBUGF(level, msg,...)
Definition: lwgeom_log.h:106
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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