There are several ways in which maps can be used.
- 1 Location module
- 2 Location data
- 3 Data display
- 4 User actions
- 5 Basemap layers
- 6 How to develop the Location module
- 7 Map display option for any component
- 8 Map-based search
- 9 Map-based wikidocumentary
- 10 Location display in each media metadata view
- 11 Map-based tools
- 12 Navigation
Location module is the main map for a topic. It displays the location of the topic. Additionally, it can be made to display much more information. The location data is currently dispersed between several components: a main map (displaying the coordinate location and shape, if available), Location (displaying subdivisions, neighbouring items, and items that the topic is situated or part of), Locations (items that have been declared being situated within the topic), and additional overlap with components Parts and Part of. Ideally, all of these would be displayed in a single display with facets for the information.
3 modules that could be merged
- Location (gallery of subdivisions, neighbours, and enclosing items)
- Location on map (simple pin/shape display)
- In this location (items found within this item, based on semantic definition)
- The coordinate point is read from Wikidata. Display a pin for the best rank coordinates in Wikidata.
- The shape is read from OSM based on a Wikidata tag in OSM. (Add details about this)
Location and shapes of historical elements
OpenStreetMap only stores items that can be verifies on the ground. There are different alternatives for shapes of historical items.
- Historical shapes could be stored in OpenHistoricalMap using the same technology as for OSM.
- Also shapes stored as .map files in Wikimedia Commons should be displayed
- Additional technologies can be added.
- Enclosing area(s), such as located in the administrative territorial entity (P131)
Geographically associated items in Wikidata
- Items within the area
- Nearby items
- About the topic
- Nearby images
- Display a filtered selection of images on the map. Filtering could be made in the images component.
Related items from other components
- Filter and facet items in the original component before sending to the map. Filtering could take place at the original component. In the map component only visibility is managed.
Configurable external sources
It could be possible to display a geographic dataset from an external source.
- The data could be used to validate location data on Wikidata. The user could compare existing data to the authority dataset, and make changes to Wikidata accordingly.
- The style of these elements should differ from items already in Wikidata, and change after validation.
- The source of the data could be automatically appended to the Wikidata entry.
- Popup – Clicking the pin or the shape opens a popup, which links to the topic's page.
- Image pin
- Single images in their individual pins/popups
- Topic's images are collated to the topic popup (if possible). Each image links to the image viewer.
- If there are too many items or images in the area, they will be styled as aggregate.
- Timeline arc for items with several points on a timeline.
- Advanced: Combine several views in one: Map, timeline and gallery.
- Facet/filter by data item type. For items from other components filtering takes place in the original component. (TBD)
- Correct the location of the topic's pin
- Import new items to Wikidata / enrich existing items
- View an external dataset on the map.
- Export map
- Save map configuration
- Use the selection for a wikidocumentary
See also Phabricator task https://phabricator.wikimedia.org/T261569.
Allow several layers that can be stacked and configured
- Base map
- Default map: Styled OSM map. Allow changing the style?
- Available local map services, use data collected in OSM
- International services
- Local providers
- Scanned or historical map
- Always best suggestion based on time and scale
- Select/search from available maps in registered sources, including Wikimaps Warper.
- Transparency slider for each layer
- Toggle visibility
- Configuration button opens configuration modal (TBD). Each layer has one map initially.
- Layers can be rearranged
- Bottom layer is opaque or there is a (chosen?) background colour)
The goal is to display the most suitable maps based on scale and topic date by default.
- A modal to configure the sources.
- Can display previews of available imagery or data for each layer individually.
- Allows reading any publicly available raster or data layer to Wikidocumentaries.
Advanced map options
- Select map language: Display vernacular/old toponyms?
- Select map style
How to develop the Location module
The topic's Location module initially displays the location of the topic. It will also be able to display everything the user collates together on the map. The user will be able to display the filtered information from each of the topic page's sections, define their display properties, and add several base map layers. It will also be possible to configure other external data elements to be displayed on the map. Ideally, the map can be exported and embedded elsewhere.
See also Content modules for a table of all modules.
Map display option for any component
Map display option for any module in addition to gallery, list and timeline.
- Option in the display menu of items that have geolocation data
- Usually several disconnected points
- Aggregates for multiple points
- Series of points connected to each other with arcs
- lifeline (start–end) arcs
- Series of points connected to each other by a line
- For routes
- (Historical) geographic subdivisions in a map
- Cemetery or allotment garden map
- Temporal aspect if present in the data
- For life arcs, the color of the arc
- Facet items on the map based on their properties
- Add all or a faceted selection to the topic's map
See Search page
Location display in each media metadata view
Each image has a small map in the metadata section. This, too, needs to have the same features as maps throughout the site.
- Geolocating tool for images
- Rectifying maps
- Workflow capturing all data from a historical map
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