Class: RGeo::Geos::CAPILineImpl

Inherits:

Object

• Object
• RGeo::Geos::CAPILineImpl

Includes:

Feature::Line, CAPIGeometryMethods, CAPILineMethods, CAPILineStringMethods, ImplHelper::ValidityCheck

Defined in:

lib/rgeo/geos/capi_feature_classes.rb,
ext/geos_c_impl/globals.c

Class Method Summary

• ._copy_from(factory, original) ⇒ Object
• .create(factory, start, end) ⇒ Object

  Class methods for CAPILineImpl.

Methods included from CAPILineMethods

#geometry_type, #hash

Methods included from CAPILineStringMethods

#closed?, #coordinates, #end_point, #eql?, #geometry_type, #hash, #interpolate_point, #length, #num_points, #point_n, #points, #project_point, #rep_equals?, #ring?, #start_point

Methods included from CAPIGeometryMethods

#*, #+, #-, #==, #_as_text, #_steal, #as_binary, #as_text, #boundary, #buffer, #buffer_with_style, #contains?, #convex_hull, #coordinate_dimension, #crosses?, #difference, #dimension, #disjoint?, #distance, #empty?, #encode_with, #envelope, #eql?, #equals?, #factory, #factory=, #geometry_type, #init_with, #initialize_copy, #initialized?, #inspect, #intersection, #intersects?, #invalid_reason, #invalid_reason_location, #is_3d?, #make_valid, #marshal_dump, #marshal_load, #measured?, #overlaps?, #point_on_surface, #polygonize, #prepare!, #prepared?, #relate?, #rep_equals?, #segmentize, #simple?, #simplify, #simplify_preserve_topology, #spatial_dimension, #srid, #sym_difference, #touches?, #unary_union, #union, #valid?, #within?

Methods included from ImplHelper::ValidityCheck

#check_validity!, included, #invalid_reason, #make_valid, override_classes

Methods included from Feature::Type

#add_subtype, #check_type, #each_immediate_subtype, extended, #subtype_of?, #supertype, #type_name

Methods included from Feature::LineString

#num_points, #point_n, #points

Methods included from Feature::Curve

#closed?, #end_point, #length, #ring?, #start_point

Methods included from Feature::Geometry

#*, #+, #-, #==, #as_binary, #as_text, #boundary, #buffer, #contains?, #convex_hull, #coordinate_dimension, #crosses?, #difference, #dimension, #disjoint?, #distance, #empty?, #envelope, #eql?, #equals?, #factory, #geometry_type, #intersection, #intersects?, #is_3d?, #locate_along, #locate_between, #measured?, #overlaps?, #relate?, #rep_equals?, #simple?, #spatial_dimension, #srid, #sym_difference, #touches?, #transform, #unary_union, #union, #within?

Class Method Details

._copy_from(factory, original) ⇒ Object

# File 'ext/geos_c_impl/line_string.c', line 625

static VALUE
cmethod_line_copy_from(VALUE klass, VALUE factory, VALUE original)
{
  return impl_copy_from(klass, factory, original, 1);
}

.create(factory, start, end) ⇒ Object

Class methods for CAPILineImpl

# File 'ext/geos_c_impl/line_string.c', line 545

static VALUE
cmethod_create_line(VALUE module, VALUE factory, VALUE start, VALUE end)
{
  VALUE result;
  RGeo_FactoryData* factory_data;
  char has_z;
  VALUE point_type;
  const GEOSGeometry* start_geom;
  const GEOSGeometry* end_geom;
  GEOSCoordSequence* coord_seq;
  GEOSGeometry* geom;
  int state = 0;

  result = Qnil;
  factory_data = RGEO_FACTORY_DATA_PTR(factory);
  has_z = (char)(factory_data->flags & RGEO_FACTORYFLAGS_SUPPORTS_Z_OR_M);
  point_type = rgeo_feature_point_module;

  start_geom =
    rgeo_convert_to_geos_geometry(factory, start, point_type, &state);
  if (state) {
    rb_jump_tag(state);
  }

  end_geom = rgeo_convert_to_geos_geometry(factory, end, point_type, &state);
  if (state) {
    rb_jump_tag(state);
  }

  coord_seq = GEOSCoordSeq_create(2, 3);
  if (coord_seq) {
    populate_geom_into_coord_seq(start_geom, coord_seq, 0, has_z);
    populate_geom_into_coord_seq(end_geom, coord_seq, 1, has_z);
    geom = GEOSGeom_createLineString(coord_seq);
    if (geom) {
      result = rgeo_wrap_geos_geometry(factory, geom, rgeo_geos_line_class);
    }
  }

  return result;
}