Geography Tools
Browse all available geography tools.
Available tools
- Cartographic Ground Grid Scale Term Tool Calculate cartographic ground grid scale term from explicit caller-supplied inputs.
- Coordinate Axis Authority Tag Qualify an explicit coordinate-axis code by authority namespace without resolving a coordinate system.
- Coordinate Order Ambiguity Count Tool Count valid longitude/latitude versus latitude/longitude numeric interpretations without guessing the intended order.
- Coordinate Rounding Ground Error Bound Tool Calculate coordinate rounding ground error bound from explicit caller-supplied inputs.
- Coordinate Uncertainty Angular Halfwidth Tool Convert a small surface arc halfwidth to central angular halfwidth on a caller-supplied sphere.
- Destination Point Calculator Compute the destination latitude and longitude reached when traveling a given distance from a start point along a fixed initial bearing on a spherical Earth of mean radius 6371008.8 m.
- East North Up Axis Handedness Token Tool Calculate east north up axis handedness token from explicit caller-supplied inputs.
- East North Up Vector Azimuth Component Tool Calculate east north up vector azimuth component from explicit caller-supplied inputs.
- Ellipsoid Height Geoid Offset Pair Apply the explicit height relation H=h-N using compatible ellipsoidal height and geoid undulation without retrieving a geoid model.
- Ellipsoid Meridional Radius Term Tool Calculate ellipsoid meridional radius term from explicit caller-supplied inputs.
- Ellipsoid Prime Vertical Radius Term Tool Calculate ellipsoid prime vertical radius term from explicit caller-supplied inputs.
- Geocentric Axis Z Component Sphere Tool Calculate geocentric axis z component sphere from explicit caller-supplied inputs.
- Geodetic Coordinate Signed Zero Roundtrip Tool Serialize a coordinate sign separately from nonnegative magnitude so a negative-zero hemisphere survives JSON.
- Geodetic Longitude Rotation Sense Token Tool Translate the sign of a supplied longitude convention without wrapping its magnitude.
- Geographic Axis Uncertainty Projection Tool Local Cartesian variance projected onto an axis measured counterclockwise from east.
- Geographic Azimuth Meridian Reference Pair Tool Apply true azimuth = grid azimuth + explicitly supplied east-positive meridian convergence in degrees.
- Geographic Bearing Calculator Calculate the initial forward azimuth in degrees from a start point to an end point on a spherical Earth.
- Geographic Bearing Screen Rotation Crosswalk Map north-zero clockwise bearing to east-zero screen rotation under an explicit rotation direction, normalized to one turn.
- Geographic Bounding Box Calculator Compute the latitude and unwrapped longitude extents of a radius around a center point on a spherical Earth of mean radius 6371008.8 m. Longitude bounds may fall outside −180° to 180° when the interval crosses the antimeridian.
- Geographic Graticule Cell Edge Label Qualify an explicit graticule edge label by grid source without calculating cell geometry.
- Geographic Graticule Label Step Tool Calculate geographic graticule label step from explicit caller-supplied inputs.
- Geographic Grid Cell Local Index Tool Calculate geographic grid cell local index from explicit caller-supplied inputs.
- Geographic Height Reference Label Tool Label a geographic height with its explicitly supplied height type and named datum; no datum transformation is performed.
- Geographic Longitude Hemisphere Zero Label Tool Calculate geographic longitude hemisphere zero label from explicit caller-supplied inputs.
- Geographic Point Antimeridian Alias Pair Tool Calculate geographic point antimeridian alias pair from explicit caller-supplied inputs.
- Geographic Radius Angular Fraction Convert explicit signed spherical arc length to central angle using a supplied compatible radius without assuming an Earth model.
- Geography: Coordinate Decimal Place Angular Step Tool Report angular quantization step of a fixed-decimal degree coordinate; not a claim of positional accuracy or latitude-independent linear resolution.
- Geography: Geographic Cell Angular Center Tool Return the angular, not area-weighted, center of a non-full eastward cell; equal longitude endpoints mean zero span and seam output is -180.
- Geography: Geographic Latlon Axis Order Swap Tool Validate and swap one geographic pair under an explicitly supplied latitude/longitude axis order rather than guessing from numeric ranges.
- Geography: Latitude Hemisphere At Equator Label Tool Label latitude with explicit N/S/equator policy at exactly zero; no sign inferred from an already normalized numeric zero.
- Geography: Latitude Pole Reflection Step Tool Normalize a single pole-crossing latitude in [-270,270] by reflection and a corresponding180-degree longitude shift; no geodesic integration.
- Geography: Longitude Interval Span With Wrap Tool Compute eastward longitude span with an explicit equal-endpoint empty/full policy; a wrapped west/east interval is not a sorted numerical range.
- Geography: Longitude Offset To Local Solar Time Tool Compute mean solar-time offset from an unwrapped longitude difference at four minutes per degree; no equation of time, civil timezone or date adjustment.
- Geography: Longitude Seam Endpoint Policy Tool Normalize longitude to a single-turn interval with explicitly chosen positive or negative 180-degree seam representative.
- Geography: Prime Meridian Crossing Flag Tool Flag a strict prime-meridian crossing along the unique shorter longitude arc; endpoint touches are separate and exact antipodal arcs are rejected.
- Geography: Spherical Cap Latitude Height Tool Compute spherical polar-cap height above an explicit latitude plane for a north/south pole; spherical geometry, not an ellipsoid or terrain elevation.
- Great Circle Arc Halfway Sign Tool Classify a supplied oriented great-circle arc relative to a half-turn; no geodesic coordinates are computed.
- Great Circle Heading East Component Tool Calculate great circle heading east component from explicit caller-supplied inputs.
- Haversine Distance Calculator Calculate the great-circle distance between two points on a spherical Earth of mean radius 6371008.8 m using the haversine formula.
- Latitude Band Center Tool Arithmetic center of supplied latitude bounds, not an equal-area spherical centroid.
- Latitude Band Open Pole Membership Tool Calculate latitude band open pole membership from explicit caller-supplied inputs.
- Latitude Cell Cosine Weight Tool Return a supplied cell-center cosine latitude weighting term, not an exact finite-latitude-band area.
- Latitude Complement Colatitude Tool Calculate latitude complement colatitude from explicit caller-supplied inputs.
- Latitude Height Radius Approximation Tool Calculate latitude height radius approximation from explicit caller-supplied inputs.
- Latitude Longitude Signquadrant Token Tool Calculate latitude longitude signquadrant token from explicit caller-supplied inputs.
- Latitude Parallel Circumference Radius Sensitivity Tool Calculate latitude parallel circumference radius sensitivity from explicit caller-supplied inputs.
- Longitude Arc Complement Tool Return complementary longitude arcs, with a 360-degree long arc for coincident meridians.
- Longitude Cell Half Open Membership Tool Calculate longitude cell half open membership from explicit caller-supplied inputs.
- Longitude Difference Unwrapped Sign Subtract explicit unwrapped longitudes in degrees without choosing a shortest dateline displacement.
- Longitude East West Source Label Preserve explicit longitude direction text and source without parsing or normalizing coordinates.
- Longitude Halfturn Tie Direction Label Tool Calculate longitude halfturn tie direction label from explicit caller-supplied inputs.
- Longitude Sector Membership Tool Test a supplied eastward longitude sector; equal normalized endpoints denote a single meridian, not a full globe.
- Longitude Signed Unwrapped Representative Tool Choose a longitude representative within a half turn of the reference, taking the eastward representative at an exact tie.
- Map Grid Cell Origin Sign Tool Cell center from an upper/lower boundary origin with explicit row-axis direction.
- Map Scale Bar Paper Length Tool Calculate map scale bar paper length from explicit caller-supplied inputs.
- Meridian Convergence Local Input Term Tool Return the spherical transverse-Mercator meridian convergence on the stated central-meridian branch.
- Meridian Distance Latitude Sensitivity Tool Signed spherical meridian distance from the equator and derivative with respect to latitude in radians.
- Oblate Spheroid Flattening Eccentricity Crosswalk Tool Calculate oblate spheroid flattening eccentricity crosswalk from explicit caller-supplied inputs.
- Pole Distance From Latitude Tool Calculate pole distance from latitude from explicit caller-supplied inputs.
- Projected Grid Northing Prefix Token Tool Calculate projected grid northing prefix token from explicit caller-supplied inputs.
- Spherical Cap Latitude Area Fraction Tool Return spherical surface area fraction north or south of a latitude.
- Spherical Distance Central Angle Reference Tool Calculate spherical distance central angle reference from explicit caller-supplied inputs.
- Spherical Latitude Band Area Latitude Sensitivity Tool Calculate spherical latitude band area latitude sensitivity from explicit caller-supplied inputs.
- Spherical Small Circle Radius Factor Tool Calculate spherical small circle radius factor from explicit caller-supplied inputs.