Module: RGeo::Geos::CAPIMultiLineStringMethods

Included in:
CAPIMultiLineStringImpl
Defined in:
ext/geos_c_impl/geometry_collection.c

Instance Method Summary collapse

Instance Method Details

#closed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/geos_c_impl/geometry_collection.c', line 409

static VALUE
method_multi_line_string_is_closed(VALUE self)
{
  VALUE result;
  RGeo_GeometryData* self_data;
  const GEOSGeometry* self_geom;
  int len;
  int i;
  const GEOSGeometry* geom;

  result = Qnil;
  self_data = RGEO_GEOMETRY_DATA_PTR(self);
  self_geom = self_data->geom;
  if (self_geom) {
    result = Qtrue;
    len = GEOSGetNumGeometries(self_geom);
    if (len > 0) {
      for (i = 0; i < len; ++i) {
        geom = GEOSGetGeometryN(self_geom, i);
        if (geom) {
          result = rgeo_is_geos_line_string_closed(self_geom);
          if (result != Qtrue) {
            break;
          }
        }
      }
    }
  }
  return result;
}

#coordinates ⇒ Object 



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# File 'ext/geos_c_impl/geometry_collection.c', line 357

static VALUE
method_multi_line_string_coordinates(VALUE self)
{
  VALUE result = Qnil;
  RGeo_GeometryData* self_data;
  const GEOSGeometry* self_geom;
  const GEOSCoordSequence* coord_sequence;

  const GEOSGeometry* line_string;
  unsigned int count;
  unsigned int i;
  int zCoordinate;

  self_data = RGEO_GEOMETRY_DATA_PTR(self);
  self_geom = self_data->geom;

  if (self_geom) {
    zCoordinate = RGEO_FACTORY_DATA_PTR(self_data->factory)->flags &
                  RGEO_FACTORYFLAGS_SUPPORTS_Z_OR_M;
    count = GEOSGetNumGeometries(self_geom);
    result = rb_ary_new2(count);
    for (i = 0; i < count; ++i) {
      line_string = GEOSGetGeometryN(self_geom, i);
      coord_sequence = GEOSGeom_getCoordSeq(line_string);
      rb_ary_push(
        result,
        extract_points_from_coordinate_sequence(coord_sequence, zCoordinate));
    }
  }

  return result;
}

#geometry_type ⇒ Object 



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# File 'ext/geos_c_impl/geometry_collection.c', line 310

static VALUE
method_multi_line_string_geometry_type(VALUE self)
{
  VALUE result;
  RGeo_GeometryData* self_data;

  result = Qnil;
  self_data = RGEO_GEOMETRY_DATA_PTR(self);
  if (self_data->geom) {
    result = rgeo_feature_multi_line_string_module;
  }
  return result;
}

#hash ⇒ Object 



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# File 'ext/geos_c_impl/geometry_collection.c', line 324

static VALUE
method_multi_line_string_hash(VALUE self)
{
  st_index_t hash;
  RGeo_GeometryData* self_data;
  VALUE factory;

  self_data = RGEO_GEOMETRY_DATA_PTR(self);
  factory = self_data->factory;
  hash = rb_hash_start(0);
  hash = rgeo_geos_objbase_hash(
    factory, rgeo_feature_multi_line_string_module, hash);
  hash = rgeo_geos_geometry_collection_hash(self_data->geom, hash);
  return LONG2FIX(rb_hash_end(hash));
}

#length ⇒ Object 



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# File 'ext/geos_c_impl/geometry_collection.c', line 390

static VALUE
method_multi_line_string_length(VALUE self)
{
  VALUE result;
  RGeo_GeometryData* self_data;
  const GEOSGeometry* self_geom;
  double len;

  result = Qnil;
  self_data = RGEO_GEOMETRY_DATA_PTR(self);
  self_geom = self_data->geom;
  if (self_geom) {
    if (GEOSLength(self_geom, &len)) {
      result = rb_float_new(len);
    }
  }
  return result;
}