Online object services

OGC API Features, WFS and InfoTap

Connect points, lines and polygons from standardized geodata services, control them per map slot and query attributes from several overlapping layers at one map position.

Overview

Map images and geospatial objects are not the same

WMS and WMTS deliver rendered map images or tiles. OGC API Features and WFS deliver individual geospatial objects with geometry and attributes that MapTools can display and query.

OGC API Features

A modern OGC standard built around HTTP and JSON. MapTools discovers the landing page, conformance and collections, then requests bounded areas from the selected collections.

WFS

Web Feature Service describes feature types through GetCapabilities and returns objects through GetFeature. MapTools supports WFS 1.1.0 and 2.0.0 with GeoJSON and GML 3.1/3.2.

WMS and WMTS

These services remain the right choice for finished raster maps. WMS GetFeatureInfo can provide additional point information but does not replace a complete object layer.

External data source

The service, its data, availability, language, licence and possible fees are provided by the respective operator and are not automatically included with MapTools.

Setup

Add a service and its layers in a few steps

The service definition is managed globally. You then decide which selected layers are visible and queryable in each map slot.

  1. Open online object servicesLong-press the map slot, open Online map services and then the object layers for OGC API Features and WFS.
  2. Choose a protocolSelect OGC API or WFS and enter a meaningful service name plus an HTTPS endpoint.
  3. Discover layersMapTools reads collections or feature types and presents the entries it can process.
  4. Select several layersSave the required layers together. The selection can be expanded or reduced later.
  5. Enable them in a slotSet visibility, order, opacity and participation in point information for the current map slot.
Management of OGC API Features and WFS services in MapTools
OGC API Features and WFS share one global service-management screen.
OGC API Features endpoint with discovered collections
An HTTPS endpoint is sufficient; MapTools discovers the available collections or feature types.
Multi-selection of compatible online object layers
Several compatible layers can be selected together and edited later.

Map workflow

Rendering and combined point information

A service may provide many layers, and several services can overlap in one slot. MapTools keeps their results separate so that origin and status remain clear.

Per-slot settings

The service definition remains global, while visibility, drawing order, opacity and InfoTap participation are stored separately for each of the four map slots.

InfoTap on the map

Enable information mode by long-pressing the GPS/info button, then tap the required map position.

Query the current position

While information mode is active, a short press on the GPS/info button queries the same active layers at the current position without moving the map or changing zoom.

Several results

The point-details sheet groups matches by service and layer. Matches, empty results and errors from other layers remain separately visible.

Online object layer rendered as a polygon above a base map
Enabled points, lines and polygons are displayed in the selected VTM map slot.
Point details with attributes from several online object layers
InfoTap keeps service, layer, match and status separate across overlapping sources.
Confirmation dialog for a link from online object attributes
The normalized destination is fully visible before opening or copying.

Technical background

CRS, geometry and request behaviour

MapTools processes remote objects within explicit limits so that large or faulty services do not unnecessarily block map interaction.

Geometries

Points, lines, polygons, multi-geometries and polygon interior rings are normalized and rendered through the central map engine.

Coordinate reference systems

Known CRS values are transformed through the central CRS engine. Unknown or contradictory CRS values are rejected rather than guessed from plausible-looking numbers.

Viewport-based requests

The map loads spatially bounded data. Moving the view cancels obsolete requests; concurrency, response size and geometry complexity are limited.

VTM rendering

Online object layers are currently rendered in VTM map slots. Other renderers are not silently presented as supported.

Security and limits

Remote responses remain data

URLs, JSON and XML from third-party services are treated as untrusted. MapTools displays bounded passive content and does not execute supplied code.

Safe attribute links

Complete HTTP(S) addresses are recognizable. Before opening or copying, MapTools shows the normalized destination; other schemes and embedded credentials remain inactive.

Credentials

Passwords, API keys and tokens do not belong in the URL. They are stored encrypted and are not placed in project files or backups.

Backup and restore

Links, labels, visible user names and source details can be backed up. Restored authenticated services stay disabled until the secret is entered again.

No remote search

The current scope covers map display and point information. Queryables, CQL2, WFS-T, remote full-text search and unsolicited complete downloads are not included.

Free and Pro

Free supports one feature service with its selected layers. Pro supports additional services and layers. Provider accounts, quotas and data licences are not included in either edition.

InfoTap

InfoTap

The point report combines information from the active map slot: coordinates and terrain, local Mapsforge data, WMS/WMTS FeatureInfo and OGC API Features or WFS hits when the source provides them.

Copy report

TXT

Share TXT

TXT

Save TXT

TXT

Save PDF

PDF

Before export, MapTools sanitises control and bidirectional characters, limits oversized content and redacts recognisable passwords, tokens, API keys, cookies, Authorization values and sensitive URL parameters. Still review reports before sharing because unknown provider-specific field names cannot always be identified.

Point details with Copy report, Share TXT, Save TXT and Save PDF.
Point details with Copy report, Share TXT, Save TXT and Save PDF.

Detailed guides

Retry one failed InfoTap source

A point report can combine local and remote sources without discarding successful results when only one service fails.

Source retry

Use Retry source on the failed row. MapTools retains successful sections and repeats the request for the original point, map slot and source context.

Diagnose safely

Check network, server, coverage, CRS, layer, account and 401/403 credentials. Review reports before sharing and never expose tokens, cookies or API keys.