GISGP

How to connect

• convert_coordinates

  Convert coordinate pairs between EPSG coordinate systems (max 1000 points).

• points: [[x, y], ...] in from_epsg axis order (lon/lat for EPSG:4326).

  No description provided.

• Returns JSON: {"points": [[x, y], ...], "from_epsg": ..., "to_epsg": ...}.

  No description provided.

• validate_geojson

  Check whether a GeoJSON file/string is valid — catches broken geometry,

• malformed structure, self-intersections, and out-of-range coordinates

  No description provided.

• before you try to use the file elsewhere (e.g. "is this GeoJSON valid",

  No description provided.

• "why won't my GeoJSON load", "lint my GeoJSON", "check topology errors").

  No description provided.

• Validates RFC 7946 structure, topology, and WGS84 coordinate ranges.

  No description provided.

• Returns a JSON report: {valid, errors, warnings, stats}.

  No description provided.

• geojson_to_csv

  Convert GeoJSON to CSV/spreadsheet — one row per feature, properties

• as columns, geometry flattened into a column (e.g. "turn this GeoJSON

  No description provided.

• into Excel/CSV", "I need a spreadsheet from these map features", "export

  No description provided.

• GeoJSON as a table"). Returns the CSV as plain text.

  No description provided.

• count_features

  Count features in an ArcGIS FeatureServer layer, optionally filtered by a WHERE clause.

• service_url: full layer URL ending in /FeatureServer/<n>. token: only for private layers.

  No description provided.

• Returns JSON: {"ok": true, "count": ..., "name": ..., "geometry": ...}.

  No description provided.

• extract_domains

  Extract coded value domains from an ArcGIS FeatureServer layer.

• Returns JSON: {"layer_name": ..., "domains": {field: {name, field_alias, codes}}}.

  No description provided.

• check_field_types

  Inspect the field schema of an ArcGIS FeatureServer layer.

• Returns JSON: {layer_name, geometry_type, fields:[{name, alias, type,

  No description provided.

• length, nullable, has_domain}]}

  useful before importing/mapping data.

• check_service_health

  Check whether an ArcGIS FeatureServer layer is reachable and responsive.

• Returns JSON: {ok, ms (latency), name, geometry_type, field_count,

  No description provided.

• record_count, capabilities, max_record_count}.

  No description provided.

• rest_explore

  List the layers and tables of an ArcGIS FeatureServer/MapServer root.

• Point at a service root to enumerate its layers/tables, or at a single

  No description provided.

• layer URL to describe it. Returns JSON: {is_server, layers:[{id, name, type}]}.

  No description provided.

• compare_schemas

  Compare the field schemas of two ArcGIS FeatureServer layers.

• Returns JSON diff: {added, removed, changed:[{field, diffs}], same,

  No description provided.

• geometry_match, identical}

  useful for QA before an import or migration.

• shapefile_to_geojson

  Convert a Shapefile ZIP (base64-encoded .zip with .shp/.dbf/.shx[/.prj])

• to a GeoJSON FeatureCollection. Reprojects to WGS84 if a .prj says otherwise.

  No description provided.

• Returns JSON: {geojson: {...}, reprojection_notice: str|null}.

  No description provided.

• kml_to_geojson

  Convert Google Earth / Google My Maps KML (2.0–2.2) to GeoJSON — the

• common request when someone exported a map from Google Earth or Google

  No description provided.

• My Maps and needs it in a format other GIS tools/APIs accept (e.g.

  No description provided.

• "convert my Google Earth file to GeoJSON", "KML to GeoJSON").

  No description provided.

• Returns the GeoJSON FeatureCollection as a JSON string.

  No description provided.

• gpx_to_geojson

  Convert a GPS track/route file (GPX — from Garmin, Strava exports,

• hiking/cycling apps, waypoints) to GeoJSON (e.g. "convert my GPS track

  No description provided.

• to GeoJSON", "GPX to GeoJSON", "import my Strava route").

  No description provided.

• Returns the GeoJSON FeatureCollection as a JSON string.

  No description provided.

• geojson_to_gpx

  Convert GeoJSON to a GPX file — e.g. "export this as a GPS track",

• "GeoJSON to GPX for my Garmin", "make waypoints from this GeoJSON".

  No description provided.

• Points become GPX waypoints; lines and polygon rings become GPX

  No description provided.

• tracks (GPX has no native polygon type). Non-name properties are

  No description provided.

• dropped

  GPX has no generic attribute-table equivalent.

• query_features

  Fetch actual feature records (attributes + geometry) from a FeatureServer layer.

• Free preview capped at 50 records (WHERE filter + chosen fields). Returns JSON:

  No description provided.

• {returned, total, truncated, geojson, note}. Full unlimited export is a paid operation.

  No description provided.

• query_statistics

  Server-side aggregate stats on a numeric field of a FeatureServer layer.

• No records fetched

  AGOL computes sum/avg/min/max/count (also stddev/var).

• Optional WHERE filter and group_by field. Returns JSON: {field, results:[...]}.

  No description provided.

• Cheap way to answer "what's the average/total of field X" without an export.

  No description provided.

• geometry_stats

  Compute area (m²/km²), length (m/km), vertex count, centroid and bbox of GeoJSON.

• Metric measurements use an equal-area projection so area/length are real metres.

  No description provided.

• reproject_geojson

  Change a GeoJSON's coordinate reference system (CRS/projection) —

• e.g. "reproject to Web Mercator", "convert WGS84 to UTM", "my

  No description provided.

• coordinates are in the wrong CRS", "EPSG:4326 to EPSG:3857". Reprojects

  No description provided.

• every geometry type between any two EPSG codes.

  No description provided.

• simplify_geometry

  Reduce the number of vertices in GeoJSON geometry (Douglas-Peucker

• algorithm)

  e.g. "simplify this polygon", "this shape has too many

• points", "reduce vertex count for faster rendering". Tolerance in

  No description provided.

• degrees; lower = more detail kept.

  No description provided.

• reduce_precision

  Round every coordinate to N decimal places to shrink a GeoJSON file's

• size

  e.g. "my GeoJSON file is too big", "reduce coordinate precision",

• "strip excess decimal places". 6 decimals ≈ 11cm precision, plenty for

  No description provided.

• most mapping use cases.

  No description provided.

• csv_to_geojson

  Convert a CSV/spreadsheet with lat/lon (or X/Y) columns to GeoJSON —

• auto-detects the coordinate columns (e.g. "map this spreadsheet",

  No description provided.

• "CSV with lat/lon to GeoJSON", "turn my Excel export into map points").

  No description provided.

• Returns a GeoJSON FeatureCollection as a JSON string.

  No description provided.

• geojson_to_kml

  Convert GeoJSON to KML for Google Earth / Google My Maps (e.g. "open

• this in Google Earth", "GeoJSON to KML", "make this viewable in Google

  No description provided.

• My Maps"). Returns the KML as plain text.

  No description provided.

• geojson_to_shapefile

  Convert GeoJSON to an Esri Shapefile ZIP — the format ArcGIS Desktop

• Pro/QGIS/most legacy GIS software still expects (e.g. "I need a

  No description provided.

• shapefile for ArcGIS Pro", "GeoJSON to SHP", "convert for QGIS import").

  No description provided.

• Returns JSON: {shapefile_zip_base64, warnings}.

  No description provided.

• gpx_to_kml

  Convert a GPS track file (GPX) directly to KML for Google Earth —

• e.g. "open my Garmin/Strava track in Google Earth", "GPX to KML".

  No description provided.

• kml_to_shapefile

  Convert a Google Earth/My Maps KML file directly to an Esri Shapefile

• ZIP

  e.g. "Google Earth file to shapefile for ArcGIS", "KML to SHP".

• Returns JSON: {shapefile_zip_base64, warnings}.

  No description provided.

• wkt_to_geojson

  Convert a WKT (Well-Known Text) geometry string — the format

• PostGIS/SQL geometry columns print by default

  to GeoJSON (e.g. "this

• came from a PostGIS query", "WKT to GeoJSON", "parse this POLYGON(...)

  No description provided.

• string").

  No description provided.

• geojson_to_wkt

  Convert a GeoJSON geometry (or a Feature's geometry) to WKT — the

• format needed to insert geometry into PostGIS/SQL (e.g. "I need this

  No description provided.

• for a PostGIS INSERT", "GeoJSON to WKT", "geometry as WKT string").

  No description provided.

• dxf_to_geojson

  Convert an AutoCAD DXF file's contents to GeoJSON — e.g. "convert

• this DXF to GeoJSON", "AutoCAD drawing to GIS format", "DXF export from

  No description provided.

• Civil 3D to GeoJSON", "extract only the UTILITIES layer from this DXF".

  No description provided.

• POINT/LINE/LWPOLYLINE/POLYLINE/ARC/CIRCLE entities convert (arcs/circles

  No description provided.

• are tessellated into LineString/Polygon); splines, text, hatches and 3D

  No description provided.

• solids have no GIS geometry equivalent and are skipped, not errored on.

  No description provided.

• Every feature's properties.layer carries its DXF

  No description provided.

• geojson_to_dxf

  Convert GeoJSON to an AutoCAD DXF file — e.g. "export this GeoJSON

• to DXF for AutoCAD", "GIS data to CAD format", "convert to .dxf for

  No description provided.

• Civil 3D". Points become DXF POINT entities; lines and polygon rings

  No description provided.

• become LWPOLYLINE entities. A feature's properties.layer (if present)

  No description provided.

• is written back as the DXF entity's layer (group code 8), defaulting

  No description provided.

• to layer "0" otherwise.

  No description provided.

• list_dxf_layers

  List the distinct DXF layer names used in a drawing — e.g. "what

• layers does this DXF have", "list layers before I extract one". Real

  No description provided.

• CAD exports organize entities into named layers (BOUNDARY, UTILITIES,

  No description provided.

• TEXT, ...); use the result with dxf_to_geojson's `layer` param to pull

  No description provided.

• out just one. Returns a JSON array of layer name strings.

  No description provided.

• georeference_dxf

  Reproject a DXF drawn in a local/arbitrary CAD coordinate system

• into real-world coordinates

  e.g. "this DXF isn't in real coordinates,

• fix it", "georeference this site plan", "I know 2 points on this

  No description provided.

• drawing's real location, convert the rest". Give exactly 2 control

  No description provided.

• points as a JSON array: '[{"local":[x,y],"real":[lon,lat]},

  No description provided.

• {"local":[x,y],"real":[lon,lat]}]'

  a 2-point similarity transform

• (uniform scale + rotation + translation) is solved and applied to

  No description provided.

• every coo

  No description provided.

• dxf_to_pdf_report

  PAID (150 credits) — render a DXF drawing to a one-page PDF site-plan

• report (vector plot + entity-type breakdown + layer list, base64-

  No description provided.

• encoded PDF)

  e.g. "make a PDF of this site plan", "DXF to PDF

• report". No basemap (DXF coordinates are usually local drawing units,

  No description provided.

• not real lon/lat)

  use georeference_dxf first if you need a

• real-world-referenced report. Requires Authorization: Bearer <api_key>

  No description provided.

• and sufficient credits balance. Returns JSON: {ok, pdf_base64,

  No description provided.

• feature

  No description provided.

• grade_service

  Grade an ArcGIS FeatureServer layer A–F across 5 categories (schema quality,

• data completeness, performance, maintenance, configuration).

  No description provided.

• Returns JSON: {grade, score, categories:[{key, label, score, note}], archetype,

  No description provided.

• insight, percentile, share_url}

  share_url is a public scorecard page you can

• send to a human. token: only for private layers (never stored in the scorecard).

  No description provided.

• audit_service

  Full one-call QA report of an ArcGIS FeatureServer layer: health (latency,

• record count, capabilities) + field schema + coded domains + summary counts.

  No description provided.

• One call replaces separate health/fields/domains lookups. Returns JSON:

  No description provided.

• {name, geometry_type, health, fields, domains, summary}.

  No description provided.

• find_layer_issues

  Scan an ArcGIS FeatureServer layer for common problems: missing ObjectID,

• disabled query, stale data, all-null fields, features without geometry.

  No description provided.

• Sample-based (first 200 records). Returns JSON: {layer_name,

  No description provided.

• issues:[{severity, code, message}], issue_count, sample_size, note}.

  No description provided.

• share_map

  Publish a GeoJSON FeatureCollection as a live, shareable map page on gisgp.com.

• Returns JSON: {url, expires_at}

  url is a public interactive map a human can

• open in a browser (free links live 30 days). Use it to hand off results of a

  No description provided.

• GIS workflow visually instead of pasting raw GeoJSON.

  No description provided.

• embed_map_snippet

  Ready-to-paste <iframe> embed code for a live interactive map — thin

• wrapper around share_map (same live page, same 30-day TTL), for

  No description provided.

• embedding directly in a website/dashboard rather than sharing a link.

  No description provided.

• Returns JSON: {ok, embed_html, url, expires_at}.

  No description provided.

• buffer_geojson

  Buffer every feature by a distance in METRES (negative shrinks).

• Geodesically accurate at any latitude (each feature is buffered in a local

  No description provided.

• equidistant projection). Returns JSON {ok, distance_m, geojson} where geojson

  No description provided.

• is a FeatureCollection of buffer polygons.

  No description provided.

• dissolve_geojson

  Merge overlapping/adjacent geometries into one (optionally grouped by a

• property field `by` → one dissolved feature per distinct value).

  No description provided.

• Returns JSON {ok, by, group_count, geojson}.

  No description provided.

• centroids_geojson

  Get the center point of each polygon/line feature — e.g. "find the

• center of each parcel", "convert polygons to points for labeling",

  No description provided.

• "centroid of each feature". Properties are kept.

  No description provided.

• Returns JSON {ok, geojson}

  a FeatureCollection of points.

• convex_hull_geojson

  Draw the smallest polygon that wraps around all input features (a

• convex hull)

  e.g. "draw a boundary around these points", "find the

• outer perimeter of my data", "convex hull of these locations".

  No description provided.

• Returns JSON {ok, geojson}

  a single polygon.

• overlay_geojson

  Combine two GeoJSON FeatureCollections with a boolean set operation.

• op: intersection | difference (a minus b) | symmetric_difference | union.

  No description provided.

• Each side is unioned into one geometry first, then the operation is

  No description provided.

• applied. Returns JSON {ok, op, geojson}

  empty geojson means no overlap,

• not an error.

  No description provided.

• spatial_join_geojson

  Attach properties from every B feature that satisfies a spatial

• predicate to each A feature (as a `_matches` list).

  No description provided.

• predicate: intersects | within | contains | touches | crosses | overlaps.

  No description provided.

• Returns JSON {ok, predicate, match_count, geojson}.

  No description provided.

• nearest_features_geojson

  For each feature in A, find the nearest feature in B by centroid-to-

• centroid geodesic distance. Attaches `_nearest` properties and

  No description provided.

• `_nearest_distance_m`. Returns JSON {ok, geojson}.

  No description provided.

• fix_geometry

  Repair invalid geometries (self-intersections, bad rings) via GEOS

• make_valid. Already-valid geometries are left untouched. Returns JSON

  No description provided.

• {ok, fixed_count, feature_count, geojson}.

  No description provided.

• geojson_diff

  Compare two GeoJSON FeatureCollections — added/removed/changed features.

• Matched by an `id_field` property if given, else by array position (exact

  No description provided.

• structural comparison, not topological equals). Returns JSON {ok, added,

  No description provided.

• removed, changed, added_count, removed_count, changed_count, unchanged_count}.

  No description provided.

• epsg_suggest

  Suggest the correct UTM EPSG code to project a WGS84 lon/lat into for

• accurate metric measurements (buffer/area/distance).

  No description provided.

• Returns JSON {ok, epsg, utm_zone, hemisphere, name, warning}.

  No description provided.

• tile_math

  Convert a WGS84 lon/lat + zoom level to Slippy Map (XYZ) tile x/y,

• that tile's lon/lat bbox, and its Bing quadkey.

  No description provided.

• Returns JSON {ok, zoom, x, y, tile_bbox, quadkey}.

  No description provided.

• envelope_geojson

  Get the bounding box (min/max rectangle) around each feature — e.g.

• "get the bounding box of this shape", "bbox for each feature",

  No description provided.

• "rectangular extent of my geometry". Properties are kept.

  No description provided.

• Returns JSON {ok, geojson}.

  No description provided.

• minimum_rotated_rectangle

  Smallest-area rectangle wrapping all input features combined — can be

• tilted to fit tighter than a straight bounding box (e.g. "tightest

  No description provided.

• rectangle around this data", "minimum bounding rectangle", "oriented

  No description provided.

• bounding box"). Returns JSON {ok, geojson}.

  No description provided.

• voronoi_geojson

  Divide space into regions closest to each input point (Voronoi

• diagram)

  e.g. "find the service area for each location", "which

• points are closest to which store", "Voronoi/Thiessen polygons".

  No description provided.

• Non-point features use their centroid. Needs at least 2 points.

  No description provided.

• Returns JSON {ok, cell_count, geojson}.

  No description provided.

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