PostGIS  2.2.8dev-r@@SVN_REVISION@@

◆ create_linestring()

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

Definition at line 337 of file pgsql2shp-core.c.

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().

338 {
339  SHPObject *obj;
340  POINT4D p4d;
341  int i;
342 
343  double *xpts, *ypts, *zpts, *mpts;
344 
345  /* Allocate storage for points */
346  xpts = malloc(sizeof(double) * lwlinestring->points->npoints);
347  ypts = malloc(sizeof(double) * lwlinestring->points->npoints);
348  zpts = malloc(sizeof(double) * lwlinestring->points->npoints);
349  mpts = malloc(sizeof(double) * lwlinestring->points->npoints);
350 
351  /* Grab the points: note getPoint4d will correctly handle
352  the case where the POINTs don't contain Z or M coordinates */
353  for (i = 0; i < lwlinestring->points->npoints; i++)
354  {
355  p4d = getPoint4d(lwlinestring->points, i);
356 
357  xpts[i] = p4d.x;
358  ypts[i] = p4d.y;
359  zpts[i] = p4d.z;
360  mpts[i] = p4d.m;
361 
362  LWDEBUGF(4, "Linestring - Point: %g %g %g %g", i, xpts[i], ypts[i], zpts[i], mpts[i]);
363  }
364 
365  obj = SHPCreateObject(state->outshptype, -1, 0, NULL, NULL, lwlinestring->points->npoints, xpts, ypts, zpts, mpts);
366 
367  free(xpts);
368  free(ypts);
369  free(zpts);
370  free(mpts);
371 
372  return obj;
373 }
double x
Definition: liblwgeom.h:336
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
double m
Definition: liblwgeom.h:336
int npoints
Definition: liblwgeom.h:355
POINT4D getPoint4d(const POINTARRAY *pa, int n)
Definition: lwgeom_api.c:216
double z
Definition: liblwgeom.h:336
void free(void *)
void * malloc(YYSIZE_T)
double y
Definition: liblwgeom.h:336
#define LWDEBUGF(level, msg,...)
Definition: lwgeom_log.h:55
POINTARRAY * points
Definition: liblwgeom.h:406
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