GEOS 3.3.4

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Class Hierarchy
This inheritance list is sorted roughly, but not completely, alphabetically:
[detail level 1 2 3 4]

geos::index::strtree::AbstractSTRtree | Base class for STRtree and SIRtree
geos::index::strtree::SIRtree | One-dimensional version of an STR-packed R-tree
geos::index::strtree::STRtree | A query-only R-tree created using the Sort-Tile-Recursive (STR) algorithm. For two-dimensional spatial data
geos::algorithm::Angle | Utility functions for working with angles
geos::index::bintree::Bintree | An BinTree (or "Binary Interval Tree") is a 1-dimensional version of a quadtree
geos::index::strtree::Boundable | A spatial object in an AbstractSTRtree
geos::index::strtree::AbstractNode | A node of the STR tree
geos::index::strtree::ItemBoundable | Boundable wrapper for a non-Boundable spatial object. Used internally by AbstractSTRtree
geos::algorithm::BoundaryNodeRule |
geos::operation::buffer::BufferBuilder | Builds the buffer geometry for a given input geometry and precision model
geos::operation::buffer::BufferInputLineSimplifier | Simplifies a buffer input line to remove concavities with shallow depth
geos::operation::buffer::BufferOp | Computes the buffer of a geometry, for both positive and negative buffer distances
geos::operation::buffer::BufferParameters | Contains the parameters which describe how a buffer should be constructed
geos::operation::buffer::BufferSubgraph | A connected subset of the graph of DirectedEdge and geomgraph::Node
geos::operation::geounion::CascadedPolygonUnion | Provides an efficient method of unioning a collection of Polygonal geometries. This algorithm is faster and likely more robust than the simple iterated approach of repeatedly unioning each polygon to a result geometry
geos::operation::geounion::CascadedUnion | Provides an efficient method of unioning a collection of Geometries
geos::algorithm::CentralEndpointIntersector | Computes an approximate intersection of two line segments by taking the most central of the endpoints of the segments
geos::algorithm::CentroidArea | Computes the centroid of an area geometry
geos::algorithm::CGAlgorithms | Specifies and implements various fundamental Computational Geometric algorithms. The algorithms supplied in this class are robust for double-precision floating point
geos::precision::CommonBits | Determines the maximum number of common most-significant bits in the mantissa of one or numbers
geos::precision::CommonBitsOp | Provides versions of Geometry spatial functions which use common bit removal to reduce the likelihood of robustness problems
geos::precision::CommonBitsRemover | Allow computing and removing common mantissa bits from one or more Geometries
geos::operation::valid::ConnectedInteriorTester | This class tests that the interior of an area Geometry (Polygon or MultiPolygon) is connected
geos::planargraph::algorithm::ConnectedSubgraphFinder | Finds all connected Subgraphs of a PlanarGraph
geos::operation::valid::ConsistentAreaTester | Checks that a geomgraph::GeometryGraph representing an area (a Polygon or MultiPolygon ) is consistent with the OGC-SFS semantics for area geometries
geos::algorithm::ConvexHull |
geos::geom::Coordinate | Coordinate is the lightweight class used to store coordinates
geos::geom::CoordinateFilter |
geos::util::CoordinateArrayFilter |
geos::geom::CoordinateLessThen | Strict weak ordering Functor for Coordinate
geos::geom::CoordinateList | A list of Coordinates, which may be set to prevent repeated coordinates from occuring in the list
geos::geom::CoordinateSequence | The internal representation of a list of coordinates inside a Geometry
geos::geom::CoordinateArraySequence | The default implementation of CoordinateSequence
geos::geom::CoordinateSequenceFactory | A factory to create concrete instances of CoordinateSequences
geos::geom::CoordinateArraySequenceFactory | Creates CoordinateSequences internally represented as an array of Coordinates
geos::geom::CoordinateSequenceFilter |
geos::geom::Dimension | Constants representing the dimensions of a point, a curve and a surface
geos::planargraph::DirectedEdgeStar | A sorted collection of DirectedEdge which leave a Node in a PlanarGraph
geos::algorithm::distance::DiscreteHausdorffDistance | An algorithm for computing a distance metric which is an approximation to the Hausdorff Distance based on a discretization of the input Geometry
geos::operation::distance::DistanceOp | Find two points on two Geometrys which lie within a given distance, or else are the nearest points on the geometries (in which case this also provides the distance between the geometries)
geos::algorithm::distance::DistanceToPoint |
geos::index::quadtree::DoubleBits | DoubleBits manipulates Double numbers by using bit manipulation and bit-field extraction
geos::simplify::DouglasPeuckerLineSimplifier | Simplifies a linestring (sequence of points) using the standard Douglas-Peucker algorithm
geos::simplify::DouglasPeuckerSimplifier | Simplifies a Geometry using the standard Douglas-Peucker algorithm
geos::geomgraph::EdgeEnd | Models the end of an edge incident on a node
geos::geomgraph::DirectedEdge | A directed EdgeEnd
geos::operation::relate::EdgeEndBundle | A collection of geomgraph::EdgeEnd objects which originate at the same point and have the same direction
geos::operation::relate::EdgeEndBuilder | Computes the geomgraph::EdgeEnd objects which arise from a noded geomgraph::Edge
geos::geomgraph::EdgeEndStar | A EdgeEndStar is an ordered list of EdgeEnds around a node
geos::geomgraph::DirectedEdgeStar | A DirectedEdgeStar is an ordered list of outgoing DirectedEdges around a node
geos::operation::relate::EdgeEndBundleStar | An ordered list of EdgeEndBundle objects around a RelateNode
geos::geomgraph::EdgeIntersection |
geos::geomgraph::EdgeIntersectionList |
geos::geomgraph::EdgeList |
geos::geomgraph::EdgeNodingValidator | Validates that a collection of SegmentStrings is correctly noded
geos::operation::polygonize::EdgeRing | Represents a ring of PolygonizeDirectedEdge which form a ring of a polygon. The ring may be either an outer shell or a hole
geos::operation::overlay::EdgeSetNoder | Nodes a set of edges
geos::operation::linemerge::EdgeString | A sequence of LineMergeDirectedEdge forming one of the lines that will be output by the line-merging process
geos::precision::EnhancedPrecisionOp | Provides versions of Geometry spatial functions which use enhanced precision techniques to reduce the likelihood of robustness problems
geos::geom::Envelope | An Envelope defines a rectangulare region of the 2D coordinate plane
geos::linearref::ExtractLineByLocation |
geos::noding::FastNodingValidator | Validates that a collection of SegmentStrings is correctly noded
geos::noding::FastSegmentSetIntersectionFinder | Finds if two sets of SegmentStringss intersect
geos::operation::overlay::validate::FuzzyPointLocator | Finds the most likely Location of a point relative to the polygonal components of a geometry, using a tolerance value
geos::util::GeometricShapeFactory |
geos::geom::util::SineStarFactory |
geos::geom::Geometry | Basic implementation of Geometry, constructed and destructed by GeometryFactory
geos::geom::GeometryCollection | Represents a collection of heterogeneous Geometry objects
geos::geom::MultiLineString | Models a collection of (}s
geos::geom::MultiPoint |
geos::geom::MultiPolygon | Models a collection of Polygons
geos::geom::Lineal |
geos::geom::LineString |
geos::geom::LinearRing | Models an OGC SFS `LinearRing`
geos::geom::MultiLineString | Models a collection of (}s
geos::geom::LineString |
geos::geom::Point |
geos::geom::Polygon | Represents a linear polygon, which may include holes
geos::geom::Polygonal |
geos::geom::MultiPolygon | Models a collection of Polygons
geos::geom::Polygon | Represents a linear polygon, which may include holes
geos::geom::Puntal |
geos::geom::MultiPoint |
geos::geom::Point |
geos::geom::util::GeometryCombiner |
geos::geom::GeometryComponentFilter |
geos::geom::util::ComponentCoordinateExtracter | Extracts a single representative Coordinate from each connected component of a Geometry
geos::geom::util::LinearComponentExtracter |
geos::geom::util::GeometryEditor |
geos::geom::util::GeometryEditorOperation |
geos::geom::util::CoordinateOperation |
geos::geom::util::GeometryExtracter |
geos::geom::GeometryFactory | Supplies a set of utility methods for building Geometry objects from CoordinateSequence or other Geometry objects
geos::geom::GeometryFilter | Geometry classes support the concept of applying a Geometry filter to the Geometry
geos::geom::util::PointExtracter |
geos::geom::util::PolygonExtracter |
geos::operation::distance::ConnectedElementLocationFilter | A ConnectedElementPointFilter extracts a single point from each connected element in a Geometry (e.g. a polygon, linestring or point) and returns them in a list. The elements of the list are DistanceOp::GeometryLocation
geos::operation::distance::ConnectedElementPointFilter | Extracts a single point from each connected element in a Geometry (e.g. a polygon, linestring or point) and returns them in a list
geos::operation::GeometryGraphOperation | The base class for operations that require GeometryGraph
geos::operation::overlay::OverlayOp | Computes the overlay of two Geometry
geos::operation::relate::RelateOp | Implements the SFS `relate()` operation on two geom::Geometry objects
geos::geom::GeometryList | Manager of Geometry pointers. Owns the Geometries
geos::operation::geounion::GeometryListHolder | Helper class holding Geometries, part of which are held by reference others are held exclusively
geos::operation::distance::GeometryLocation | Represents the location of a point on a Geometry
geos::operation::overlay::snap::GeometrySnapper | Snaps the vertices and segments of a Geometry to another Geometry's vertices
geos::geom::util::GeometryTransformer | A framework for processes which transform an input Geometry into an output Geometry, possibly changing its structure and type(s)
geos::util::GEOSException | Base class for all GEOS exceptions
geos::algorithm::NotRepresentableException | Indicates that a HCoordinate has been computed which is not representable on the Cartesian plane
geos::io::ParseException | Notifies a parsing error
geos::util::AssertionFailedException | Indicates a bug in GEOS code
geos::util::IllegalArgumentException | Indicates one or more legal arguments
geos::util::IllegalStateException | Indicates an illegal state
geos::util::TopologyException | Indicates an invalid or inconsistent topological situation encountered during processing
geos::util::UnsupportedOperationException | Indicates that the requested operation is unsopported
geos::planargraph::GraphComponent | The base class for all graph component classes
geos::planargraph::DirectedEdge | Represents a directed edge in a PlanarGraph
geos::operation::linemerge::LineMergeDirectedEdge | A planargraph::DirectedEdge of a LineMergeGraph
geos::operation::polygonize::PolygonizeDirectedEdge | A DirectedEdge of a PolygonizeGraph, which represents an edge of a polygon formed by the graph
geos::planargraph::Edge | Represents an undirected edge of a PlanarGraph
geos::operation::linemerge::LineMergeEdge | An edge of a LineMergeGraph. The `marked` field indicates whether this Edge has been logically deleted from the graph
geos::planargraph::Node | A node in a PlanarGraph is a location where 0 or more Edge meet
geos::algorithm::HCoordinate | Represents a homogeneous coordinate in a 2-D coordinate space
geos::noding::snapround::HotPixel | Implements a "hot pixel" as used in the Snap Rounding algorithm
geos::operation::valid::IndexedNestedRingTester | Tests whether any of a set of LinearRings are nested inside another ring in the set, using a spatial index to speed up the comparisons
geos::algorithm::InteriorPointArea | Computes a point in the interior of an area geometry
geos::algorithm::InteriorPointLine | Computes a point in the interior of an linear geometry
geos::algorithm::InteriorPointPoint | Computes a point in the interior of an point geometry
geos::geom::IntersectionMatrix | Implementation of Dimensionally Extended Nine-Intersection Model (DE-9IM) matrix
geos::index::strtree::AbstractSTRtree::IntersectsOp | A test for intersection between two bounds, necessary because subclasses of AbstractSTRtree have different implementations of bounds
geos::index::bintree::Interval | Represents an (1-dimensional) closed interval on the Real number line
geos::index::strtree::Interval | A contiguous portion of 1D-space. Used internally by SIRtree
geos::index::quadtree::IntervalSize | Provides a test for whether an interval is so small it should be considered as zero for the purposes of inserting it into a binary tree
geos::operation::IsSimpleOp | Tests whether a Geometry is simple
geos::operation::valid::IsValidOp | Implements the algorithsm required to compute the `isValid()` method for Geometrys
geos::index::ItemVisitor | A visitor for items in an index
geos::index::bintree::Key | A Key is a unique identifier for a node in a tree
geos::index::quadtree::Key | A Key is a unique identifier for a node in a quadtree
geos::geomgraph::Label | A `Label` indicates the topological relationship of a component of a topology graph to a given `Geometry`. This class supports labels for relationships to two `Geometry`s, which is sufficient for algorithms for binary operations
geos::linearref::LengthIndexedLine | Supports linear referencing along a linear Geometry using the length along the line as the index. Negative length values are taken as measured in the reverse direction from the end of the geometry. Out-of-range index values are handled by clamping them to the valid range of values. Non-simple lines (i.e. which loop back to cross or touch themselves) are supported
geos::linearref::LengthIndexOfPoint | Computes the length index of the point on a linear Geometry nearest a given Coordinate
geos::linearref::LengthLocationMap |
geos::linearref::LinearGeometryBuilder |
geos::linearref::LinearIterator | An iterator over the components and coordinates of a linear geometry (LineString or MultiLineString)
geos::linearref::LinearLocation | Represents a location along a LineString or MultiLineString
geos::operation::overlay::LineBuilder | Forms JTS LineStrings out of a the graph of geomgraph::DirectedEdge created by an OverlayOp
geos::algorithm::LineIntersector | A LineIntersector is an algorithm that can both test whether two line segments intersect and compute the intersection point if they do
geos::operation::linemerge::LineMerger | Sews together a set of fully noded LineStrings
geos::geom::LineSegment |
geos::simplify::TaggedLineSegment | A geom::LineSegment which is tagged with its location in a geom::Geometry
geos::operation::linemerge::LineSequencer | Builds a sequence from a set of LineStrings so that they are ordered end to end
geos::operation::overlay::snap::LineStringSnapper | Snaps the vertices and segments of a LineString to a set of target snap vertices
geos::geom::Location | Constants representing the location of a point relative to a geometry
geos::linearref::LocationIndexOfLine |
geos::linearref::LocationIndexOfPoint |
geos::operation::overlay::MaximalEdgeRing | A ring of edges which may contain nodes of degree > 2
geos::noding::snapround::MCIndexPointSnapper | "Snaps" all SegmentStrings in a SpatialIndex containing MonotoneChains to a given HotPixel
geos::operation::overlay::MinimalEdgeRing | A ring of Edges with the property that no node has degree greater than 2
geos::algorithm::MinimumDiameter | Computes the minimum diameter of a geom::Geometry
geos::index::chain::MonotoneChain | Monotone Chains are a way of partitioning the segments of a linestring to allow for fast searching of intersections
geos::geomgraph::index::MonotoneChain |
geos::index::chain::MonotoneChainBuilder | Constructs MonotoneChains for sequences of Coordinates
geos::index::chain::MonotoneChainOverlapAction |
geos::index::chain::MonotoneChainSelectAction |
geos::index::bintree::NodeBase | The base class for nodes in a Bintree
geos::index::bintree::Node | A node of a Bintree
geos::index::bintree::Root | The root node of a single Bintree
geos::index::quadtree::NodeBase | The base class for nodes in a Quadtree
geos::index::quadtree::Node | Represents a node of a Quadtree
geos::index::quadtree::Root | QuadRoot is the root of a single Quadtree. It is centred at the origin, and does not have a defined extent
geos::planargraph::NodeMap | A map of Node, indexed by the coordinate of the node
geos::noding::Noder | Computes all intersections between segments in a set of SegmentString
geos::noding::IteratedNoder |
geos::noding::ScaledNoder | Wraps a Noder and transforms its input into the integer domain
geos::noding::SinglePassNoder |
geos::noding::MCIndexNoder | Nodes a set of SegmentString using a index based on index::chain::MonotoneChain and a index::SpatialIndex
geos::noding::SimpleNoder | Nodes a set of SegmentStrings by performing a brute-force comparison of every segment to every other one
geos::noding::snapround::MCIndexSnapRounder | Uses Snap Rounding to compute a rounded, fully noded arrangement from a set of SegmentString
geos::noding::snapround::SimpleSnapRounder | Uses Snap Rounding to compute a rounded, fully noded arrangement from a set of SegmentStrings
geos::noding::NodingValidator |
geos::noding::Octant | Methods for computing and working with octants of the Cartesian plane
geos::operation::buffer::OffsetCurveBuilder | Computes the raw offset curve for a single Geometry component (ring, line or point)
geos::operation::buffer::OffsetCurveSetBuilder | Creates all the raw offset curves for a buffer of a Geometry
geos::operation::overlay::validate::OffsetPointGenerator | Generates points offset from both sides of all segments in a geometry
geos::operation::buffer::OffsetSegmentGenerator |
geos::operation::buffer::OffsetSegmentString | A dynamic list of the vertices in a constructed offset curve
geos::noding::OrientedCoordinateArray | Allows comparing geom::CoordinateSequences in an orientation-independent way
geos::operation::overlay::OverlayNodeFactory | Creates nodes for use in the geomgraph::PlanarGraph constructed during overlay operations. NOTE: also used by operation::valid
geos::operation::overlay::overlayOp | OverlayOp::overlayOp Adapter for use with geom::BinaryOp
geos::operation::overlay::validate::OverlayResultValidator | Validates that the result of an overlay operation is geometrically correct within a determined tolerance
geos::geomgraph::PlanarGraph | Represents a directed graph which is embeddable in a planar surface
geos::planargraph::PlanarGraph | Represents a directed graph which is embeddable in a planar surface
geos::operation::linemerge::LineMergeGraph | A planar graph of edges that is analyzed to sew the edges together
geos::operation::polygonize::PolygonizeGraph | Represents a planar graph of edges that can be used to compute a polygonization, and implements the algorithms to compute the EdgeRings formed by the graph
geos::operation::overlay::PointBuilder | Constructs geom::Point s from the nodes of an overlay graph
geos::operation::geounion::PointGeometryUnion | Computes the union of a Puntal geometry with another arbitrary Geometry
geos::algorithm::PointLocator | Computes the topological relationship (Location) of a single point to a Geometry
geos::algorithm::locate::PointOnGeometryLocator | An interface for classes which determine the Location of points in Polygon or MultiPolygon geometries
geos::algorithm::locate::IndexedPointInAreaLocator | Determines the location of Coordinates relative to a Polygon or MultiPolygon geometry, using indexing for efficiency
geos::algorithm::locate::SimplePointInAreaLocator | Computes the location of points relative to an areal Geometry, using a simple O(n) algorithm
geos::algorithm::distance::PointPairDistance |
geos::operation::overlay::PolygonBuilder | Forms Polygon out of a graph of geomgraph::DirectedEdge
geos::operation::polygonize::Polygonizer | Polygonizes a set of Geometrys which contain linework that represents the edges of a planar graph
geos::geom::PrecisionModel | Specifies the precision model of the Coordinate in a Geometry
geos::geom::prep::PreparedGeometry | An interface for classes which prepare Geometrys in order to optimize the performance of repeated calls to specific geometric operations
geos::geom::prep::BasicPreparedGeometry | A base class for PreparedGeometry subclasses
geos::geom::prep::PreparedLineString | A prepared version of LinearRing, LineString or MultiLineString geometries
geos::geom::prep::PreparedPoint | A prepared version of Point or MultiPoint geometries
geos::geom::prep::PreparedPolygon | A prepared version of Polygon or MultiPolygon geometries
geos::geom::prep::PreparedGeometryFactory | A factory for creating PreparedGeometrys
geos::geom::prep::PreparedLineStringIntersects | Computes the `intersects` spatial relationship predicate for a target PreparedLineString relative to all other Geometry classes
geos::geom::prep::PreparedPolygonPredicate | A base class for predicate operations on PreparedPolygons
geos::geom::prep::AbstractPreparedPolygonContains | A base class containing the logic for computes the `contains` and `covers` spatial relationship predicates for a PreparedPolygon relative to all other Geometry classes
geos::geom::prep::PreparedPolygonContains | Computes the `contains` spatial relationship predicate for a PreparedPolygon relative to all other Geometry classes
geos::geom::prep::PreparedPolygonCovers | Computes the `covers` spatial relationship predicate for a PreparedPolygon relative to all other Geometry classes
geos::geom::prep::PreparedPolygonContainsProperly | Computes the `containsProperly` spatial relationship predicate for PreparedPolygons relative to all other Geometry classes
geos::geom::prep::PreparedPolygonIntersects | Computes the `intersects` spatial relationship predicate for PreparedPolygons relative to all other Geometry classes
geos::geomgraph::Quadrant |
geos::operation::valid::QuadtreeNestedRingTester | Tests whether any of a set of LinearRings are nested inside another ring in the set, using a Quadtree index to speed up the comparisons
geos::algorithm::RayCrossingCounter | Counts the number of segments crossed by a horizontal ray extending to the right from a given point, in an incremental fashion
geos::operation::predicate::RectangleContains | Optimized implementation of spatial predicate "contains" for cases where the first Geometry is a rectangle
geos::operation::predicate::RectangleIntersects | Optimized implementation of the "intersects" spatial predicate for cases where one Geometry is a rectangle
geos::operation::relate::RelateComputer | Computes the topological relationship between two Geometries
geos::operation::relate::RelateNode | Represents a node in the topological graph used to compute spatial relationships
geos::operation::relate::RelateNodeFactory | Used by the geomgraph::NodeMap in a RelateNodeGraph to create RelateNode objects
geos::operation::relate::RelateNodeGraph | Implements the simple graph of Nodes and geomgraph::EdgeEnd which is all that is required to determine topological relationships between Geometries
geos::operation::valid::RepeatedPointTester | Implements the appropriate checks for repeated points (consecutive identical coordinates) as defined in the JTS spec
geos::operation::buffer::RightmostEdgeFinder | A RightmostEdgeFinder find the geomgraph::DirectedEdge in a list which has the highest coordinate, and which is oriented L to R at that point. (I.e. the right side is on the RHS of the edge.)
geos::algorithm::RobustDeterminant | Implements an algorithm to compute the sign of a 2x2 determinant for double precision values robustly
geos::operation::predicate::SegmentIntersectionTester | Tests if any line segments in two sets of CoordinateSequences intersect
geos::noding::SegmentIntersector | Processes possible intersections detected by a Noder
geos::noding::IntersectionAdder |
geos::noding::IntersectionFinderAdder | Finds proper and interior intersections in a set of SegmentStrings, and adds them as nodes
geos::noding::SegmentIntersectionDetector | Detects and records an intersection between two SegmentStrings, if one exists
geos::noding::SingleInteriorIntersectionFinder | Finds an interior intersection in a set of SegmentString, if one exists. Only the first intersection found is reported
geos::noding::SegmentNode | Represents an intersection point between two NodedSegmentString
geos::noding::SegmentNodeList | A list of the SegmentNode present along a NodedSegmentString
geos::noding::SegmentPointComparator |
geos::noding::SegmentSetMutualIntersector | An intersector for the red-blue intersection problem
geos::noding::MCIndexSegmentSetMutualIntersector | Intersects two sets of SegmentStrings using a index based on MonotoneChains and a SpatialIndex
geos::noding::SegmentString | An interface for classes which represent a sequence of contiguous line segments
geos::noding::BasicSegmentString |
geos::noding::NodableSegmentString | An interface for classes which support adding nodes to a segment string
geos::noding::NodedSegmentString | Represents a list of contiguous line segments, and supports noding the segments
geos::noding::SegmentStringUtil | Utility methods for processing SegmentStrings
geos::operation::sharedpaths::SharedPathsOp | Find shared paths among two linear Geometry objects
geos::geom::util::ShortCircuitedGeometryVisitor | A visitor to Geometry elements which can be short-circuited by a given condition
geos::precision::SimpleGeometryPrecisionReducer | Reduces the precision of a Geometry according to the supplied PrecisionModel, without attempting to preserve valid topology
geos::geomgraph::index::SimpleMCSweepLineIntersector | Finds all intersections in one or two sets of edges, using an x-axis sweepline algorithm in conjunction with Monotone Chains
geos::operation::valid::SimpleNestedRingTester | Tests whether any of a set of LinearRings are nested inside another ring in the set, using a simple O(n^2) comparison
geos::geomgraph::index::SimpleSweepLineIntersector | Finds all intersections in one or two sets of edges, using a simple x-axis sweepline algorithm
geos::operation::overlay::snap::SnapIfNeededOverlayOp | Performs an overlay operation using snapping and enhanced precision to improve the robustness of the result
geos::operation::overlay::snap::SnapOverlayOp | Performs an overlay operation using snapping and enhanced precision to improve the robustness of the result
geos::index::intervalrtree::SortedPackedIntervalRTree | A static index on a set of 1-dimensional intervals, using an R-Tree packed based on the order of the interval midpoints
geos::index::SpatialIndex | Abstract class defines basic insertion and query operations supported by classes implementing spatial index algorithms
geos::index::quadtree::Quadtree | A Quadtree is a spatial index structure for efficient querying of 2D rectangles. If other kinds of spatial objects need to be indexed they can be represented by their envelopes
geos::index::strtree::STRtree | A query-only R-tree created using the Sort-Tile-Recursive (STR) algorithm. For two-dimensional spatial data
geos::planargraph::Subgraph | A subgraph of a PlanarGraph
geos::operation::buffer::SubgraphDepthLocater | Locates a subgraph inside a set of subgraphs, in order to determine the outside depth of the subgraph
geos::index::sweepline::SweepLineIndex | A sweepline implements a sorted index on a set of intervals
geos::operation::valid::SweeplineNestedRingTester | Tests whether any of a set of LinearRings are nested inside another ring in the set, using an index::sweepline::SweepLineIndex to speed up the comparisons
geos::simplify::TaggedLinesSimplifier | Simplifies a collection of TaggedLineStrings, preserving topology (in the sense that no new intersections are introduced)
geos::simplify::TaggedLineString | Contains and owns a list of TaggedLineSegments
geos::simplify::TaggedLineStringSimplifier | Simplifies a TaggedLineString, preserving topology (in the sense that no new intersections are introduced). Uses the recursive Douglas-Peucker algorithm
geos::geomgraph::TopologyLocation | A TopologyLocation is the labelling of a GraphComponent's topological relationship to a single Geometry
geos::simplify::TopologyPreservingSimplifier | Simplifies a geometry, ensuring that the result is a valid geometry having the same dimension and number of components as the input
geos::operation::valid::TopologyValidationError | Contains information about the nature and location of a Geometry validation error
geos::geom::Triangle | Represents a planar triangle, and provides methods for calculating various properties of triangles
geos::operation::geounion::UnaryUnionOp |
geos::io::WKBReader | Reads a Geometry from Well-Known Binary format
geos::io::WKBWriter | Writes a Geometry into Well-Known Binary format
geos::io::WKTReader | WKT parser class; see also WKTWriter
geos::io::WKTWriter | Outputs the textual representation of a Geometry. See also WKTReader