| Name | Description | Type | Package | Framework |
| AffinePlacement | A placement defined by linear transformation from the parameter space to the target coordinate space. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| Arc | Arc of the circle determined by 3 points, starting at the first, passing through the second and terminating at the third. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| ArcByBulge | Equivalents to the Arc, except the bulge representation is maintained. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| ArcString | Similar to a line string except that the interpolation is by circular arcs. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| ArcStringByBulge | A variant of the arc that stores the parameters of the second constructor of the component arcs and recalculates the other attributes of | Interface | org.opengis.geometry.coordinate | GeoTools |
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| Bezier | Polynomial splines that use Bezier or Bernstein polynomials for interpolation purposes. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| BicubicGrid | A gridded surface that uses cubic polynomial splines as the horizontal and vertical curves. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| BilinearGrid | A gridded surface that uses line strings as the horizontal and vertical curves. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| BSplineCurve | A piecewise parametric polynomial or rational curve described in terms of control points and basis functions. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| BSplineSurface | A rational or polynomial parametric surface that is represented by control points, basis functions and possibly weights. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| BSplineSurfaceForm | Indicates a particular geometric form represented by a BSplineSurface. | Class | org.opengis.geometry.coordinate | GeoTools |
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| Circle | Same as an arc, but closed to form a full circle. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| Clothoid | The clothoid (or Cornu's spiral), a plane curve whose curvature is a fixed function of its length. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| Cone | A gridded surface given as a family of conic sections whose control points vary linearly. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| Conic | Any general conic curve. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| CubicSpline | Cubic splines are similar to line strings in that they are a sequence of segments each with its own defining function. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| Cylinder | A gridded surface given as a family of circles whose positions vary along a set of parallel lines, keeping the cross sectional horizontal curves of a constant | Interface | org.opengis.geometry.coordinate | GeoTools |
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| GenericCurve | Common interface for curve and curve segment. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| GenericSurface | Common interface for surface and surface patch. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| Geodesic | Two distinct positions joined by a geodesic curve. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| GeodesicString | Sequence of geodesic segments. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| GeometryFactory | A factory of geometries. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| GriddedSurface | A parametric curve surface defined from a rectangular grid in the parameter space. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| Knot | Controls the constructive parameter space for spline curves and surfaces. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| KnotType | The type of a B-spline. | Class | org.opengis.geometry.coordinate | GeoTools |
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| LineSegment | Two distinct direct positions (the start point and end point) joined | Interface | org.opengis.geometry.coordinate | GeoTools |
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| LineString | A sequence of line segments, each having a parameterization like the one LineSegment. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| OffsetCurve | A curve at a constant distance from the basis curve. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| ParametricCurveSurface | The surface patches that make up the parametric curve surfaces. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| ParamForPoint | The curve parameter for a point. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| Placement | Takes a standard geometric construction and places it in geographic space. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| PointArray | A sequence of points. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| PointGrid | A grid of points. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| Polygon | A surface patch that is defined by a set of boundary curves and an underlying surface to which these curves adhere. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| PolyhedralSurface | A surface composed of polygon surfaces connected along their common boundary curves. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| PolynomialSpline | An "nth degree" polynomial spline shall be defined piecewise as an n-degree polynomial, with up to Cn-1 continuity | Interface | org.opengis.geometry.coordinate | GeoTools |
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| Position | A type consisting of either a direct position or of a point from which a direct position | Interface | org.opengis.geometry.coordinate | GeoTools |
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| Sphere | A gridded surface given as a family of circles whose positions vary linearly along the axis of the sphere, and whose radius varies in proportion to the cosine function | Interface | org.opengis.geometry.coordinate | GeoTools |
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| SplineCurve | Root for subtypes of curve segment using some version of spline, either polynomial or rational functions. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| SplineCurveForm | Indicates which sort of curve may be approximated by a particular B-spline. | Class | org.opengis.geometry.coordinate | GeoTools |
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| Tin | A triangulated surface that uses the Delaunay algorithm or a similar algorithm complemented with consideration for breaklines, stoplines and maximum length of triangle sides. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| Triangle | A planar polygon defined by 3 corners. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| TriangulatedSurface | A polyhedral surface that is composed only of triangles. | Interface | org.opengis.geometry.coordinate | GeoTools |
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| Position | A type consisting of either a direct position or of a point from which a direct position | Interface | org.opengis.geometry.coordinate | GeoApi |