Exemple #1
0
int msProjectShape(projectionObj *in, projectionObj *out, shapeObj *shape)
{
#ifdef USE_PROJ
  int i;

  for( i = shape->numlines-1; i >= 0; i-- )
  {
      if( shape->type == MS_SHAPE_LINE || shape->type == MS_SHAPE_POLYGON )
      {
          if( msProjectShapeLine( in, out, shape, i ) == MS_FAILURE )
              msShapeDeleteLine( shape, i );
      }
      else if( msProjectLine(in, out, shape->line+i ) == MS_FAILURE )
      {
          msShapeDeleteLine( shape, i );
      }
  }

  if( shape->numlines == 0 ) {
      msFreeShape( shape );
      return MS_FAILURE;
  } else {
      msComputeBounds( shape ); /* fixes bug 1586 */
      return(MS_SUCCESS);
  }
#else
  msSetError(MS_PROJERR, "Projection support is not available.", "msProjectShape()");
  return(MS_FAILURE);
#endif
}
Exemple #2
0
int msProjectShape(projectionObj *in, projectionObj *out, shapeObj *shape)
{
#ifdef USE_PROJ
  int i;
#ifdef USE_PROJ_FASTPATHS
  int j;

  if(in->wellknownprojection == wkp_lonlat && out->wellknownprojection == wkp_gmerc) {
    for( i = shape->numlines-1; i >= 0; i-- ) {
      for( j = shape->line[i].numpoints-1; j >= 0; j-- ) {
#define p_x shape->line[i].point[j].x
#define p_y shape->line[i].point[j].y
        p_x *= MAXEXTENTby180;
        p_y = log(tan((90 + p_y) * M_PIby360)) * MS_RAD_TO_DEG;
        p_y *= MAXEXTENTby180;
        if (p_x > MAXEXTENT) p_x = MAXEXTENT;
        if (p_x < -MAXEXTENT) p_x = -MAXEXTENT;
        if (p_y > MAXEXTENT) p_y = MAXEXTENT;
        if (p_y < -MAXEXTENT) p_y = -MAXEXTENT;
#undef p_x
#undef p_y
      }
    }
    msComputeBounds( shape ); /* fixes bug 1586 */
    return MS_SUCCESS;
  }
#endif



  for( i = shape->numlines-1; i >= 0; i-- ) {
    if( shape->type == MS_SHAPE_LINE || shape->type == MS_SHAPE_POLYGON ) {
      if( msProjectShapeLine( in, out, shape, i ) == MS_FAILURE )
        msShapeDeleteLine( shape, i );
    } else if( msProjectLine(in, out, shape->line+i ) == MS_FAILURE ) {
      msShapeDeleteLine( shape, i );
    }
  }

  if( shape->numlines == 0 ) {
    msFreeShape( shape );
    return MS_FAILURE;
  } else {
    msComputeBounds( shape ); /* fixes bug 1586 */
    return(MS_SUCCESS);
  }
#else
  msSetError(MS_PROJERR, "Projection support is not available.", "msProjectShape()");
  return(MS_FAILURE);
#endif
}