Here is a list of all documented class members with links to the class documentation for each member:

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• inCentre() : geos::geom::Triangle
• increasingDirection() : geos::geom::CoordinateSequence
• IndexedPointInAreaLocator() : geos::algorithm::locate::IndexedPointInAreaLocator
• indexOf() : geos::geom::CoordinateSequence , geos::linearref::LengthIndexedLine , geos::linearref::LocationIndexOfPoint
• indexOfAfter() : geos::linearref::LocationIndexOfPoint , geos::linearref::LengthIndexedLine
• indicesOf() : geos::linearref::LengthIndexedLine , geos::linearref::LocationIndexOfLine
• init() : geos::geom::Envelope
• insert() : geos::geomgraph::DirectedEdgeStar , geos::geomgraph::EdgeEndStar , geos::index::bintree::Bintree , geos::index::bintree::Root , geos::index::intervalrtree::SortedPackedIntervalRTree , geos::index::quadtree::Quadtree , geos::index::quadtree::Root , geos::index::SpatialIndex , geos::index::strtree::AbstractSTRtree , geos::index::strtree::STRtree , geos::operation::relate::EdgeEndBundleStar
• insertEdgeEnd() : geos::geomgraph::EdgeEndStar
• insertUniqueEdge() : geos::operation::overlay::OverlayOp
• INSIDE_AREA : geos::operation::distance::GeometryLocation
• instance() : geos::geom::CoordinateArraySequenceFactory
• INTERIOR : geos::geom::Location
• interiorAngle() : geos::algorithm::Angle
• interpolateZ() : geos::algorithm::LineIntersector
• intersection() : geos::algorithm::HCoordinate , geos::geom::Envelope , geos::geom::Geometry , geos::geom::LineSegment , geos::precision::CommonBitsOp , geos::precision::EnhancedPrecisionOp
• IntersectionFinderAdder() : geos::noding::IntersectionFinderAdder
• IntersectionMatrix() : geos::geom::IntersectionMatrix
• intersects() : geos::algorithm::PointLocator , geos::geom::Envelope , geos::geom::Geometry , geos::geom::prep::BasicPreparedGeometry , geos::geom::prep::PreparedGeometry , geos::geom::prep::PreparedLineString , geos::geom::prep::PreparedLineStringIntersects , geos::geom::prep::PreparedPoint , geos::geom::prep::PreparedPolygon , geos::geom::prep::PreparedPolygonIntersects , geos::index::strtree::AbstractSTRtree::IntersectsOp
• Interval() : geos::index::bintree::Interval
• isAcute() : geos::algorithm::Angle
• isAllTestComponentsInTarget() : geos::geom::prep::PreparedPolygonPredicate
• isAllTestComponentsInTargetInterior() : geos::geom::prep::PreparedPolygonPredicate
• isAnyNull() : geos::geomgraph::TopologyLocation
• isAnyTargetComponentInAreaTest() : geos::geom::prep::PreparedPolygonPredicate
• isAnyTargetComponentInTest() : geos::geom::prep::BasicPreparedGeometry
• isAnyTestComponentInTarget() : geos::geom::prep::PreparedPolygonPredicate
• isAnyTestComponentInTargetInterior() : geos::geom::prep::PreparedPolygonPredicate
• isAnyTestPointInTarget() : geos::geom::prep::PreparedLineStringIntersects
• isCCW() : geos::algorithm::CGAlgorithms
• isClosed() : geos::noding::BasicSegmentString
• isContains() : geos::geom::IntersectionMatrix
• isCoveredBy() : geos::geom::IntersectionMatrix
• isCoveredByA() : geos::operation::overlay::OverlayOp
• isCoveredByLA() : geos::operation::overlay::OverlayOp
• isCovers() : geos::geom::IntersectionMatrix
• isCrosses() : geos::geom::IntersectionMatrix
• isDisjoint() : geos::geom::IntersectionMatrix
• isDone() : geos::geom::CoordinateSequenceFilter , geos::noding::IntersectionAdder , geos::noding::IntersectionFinderAdder , geos::noding::SegmentIntersectionDetector , geos::noding::SegmentIntersector , geos::noding::SingleInteriorIntersectionFinder
• isEmpty() : geos::geom::Point , geos::geom::CoordinateSequence , geos::geom::CoordinateArraySequence , geos::geom::Geometry , geos::geom::GeometryCollection , geos::geom::LineString , geos::geom::Polygon
• isEndOfLine() : geos::linearref::LinearIterator
• isEquals() : geos::geom::IntersectionMatrix
• isEquivalentClass() : geos::geom::Geometry
• isFloating() : geos::geom::PrecisionModel
• isGeometryChanged() : geos::geom::CoordinateSequenceFilter
• isHole() : geos::operation::polygonize::EdgeRing
• isHorizontal() : geos::geom::LineSegment
• isInBoundary() : geos::algorithm::BoundaryNodeRule
• isInHalfPlane() : geos::geomgraph::Quadrant
• isInList() : geos::operation::polygonize::EdgeRing
• isInsideArea() : geos::operation::distance::GeometryLocation
• isInterior() : geos::noding::SegmentNode
• isInteriorAreaEdge() : geos::geomgraph::DirectedEdge
• isInteriorIntersection() : geos::algorithm::LineIntersector
• isIntersection() : geos::algorithm::LineIntersector
• isIntersects() : geos::geom::IntersectionMatrix
• isLineEdge() : geos::geomgraph::DirectedEdge
• isMarked() : geos::planargraph::GraphComponent
• isMarkedVar : geos::planargraph::GraphComponent
• isNodeConsistentArea() : geos::operation::valid::ConsistentAreaTester
• isNorthern() : geos::geomgraph::Quadrant
• isNull() : geos::geom::Envelope , geos::geomgraph::TopologyLocation
• isObtuse() : geos::algorithm::Angle
• isOnLine() : geos::algorithm::CGAlgorithms
• isOnSameSegment() : geos::linearref::LinearLocation
• isOnSegment() : geos::algorithm::RayCrossingCounter
• isOpposite() : geos::geomgraph::Quadrant
• isOverlaps() : geos::geom::IntersectionMatrix
• isPointInPolygon() : geos::algorithm::RayCrossingCounter
• isPointInRing() : geos::algorithm::CGAlgorithms
• isProper() : geos::algorithm::LineIntersector
• isRectangle() : geos::geom::Polygon , geos::geom::Geometry
• isResultOfOp() : geos::operation::overlay::OverlayOp
• isSameSignAndNonZero() : geos::algorithm::LineIntersector
• isSequenceable() : geos::operation::linemerge::LineSequencer
• isSequenced() : geos::operation::linemerge::LineSequencer
• isSimple() : geos::operation::IsSimpleOp , geos::geom::Point , geos::geom::LinearRing , geos::geom::Geometry , geos::geom::Polygon , geos::operation::IsSimpleOp , geos::geom::MultiPolygon , geos::operation::IsSimpleOp
• IsSimpleOp() : geos::operation::IsSimpleOp
• isTouches() : geos::geom::IntersectionMatrix
• isValid() : geos::operation::polygonize::EdgeRing , geos::linearref::LinearLocation , geos::operation::valid::IsValidOp , geos::geom::Geometry , geos::noding::FastNodingValidator
• isValidIndex() : geos::linearref::LengthIndexedLine
• isVertex() : geos::linearref::LinearLocation
• isVertical() : geos::geom::LineSegment
• isVisited() : geos::planargraph::GraphComponent
• isVisitedVar : geos::planargraph::GraphComponent
• isWithin() : geos::geom::IntersectionMatrix
• isWithinDistance() : geos::operation::distance::DistanceOp , geos::geom::Geometry
• isZeroWidth() : geos::index::quadtree::IntervalSize
• items : geos::index::quadtree::NodeBase
• itemsTree() : geos::index::strtree::AbstractSTRtree
• iterate() : geos::index::strtree::AbstractSTRtree
• iterator() : geos::planargraph::DirectedEdgeStar , geos::planargraph::NodeMap