Santa Maria de Meià virtual — data attribution and reuse notices
Inputs downloaded on 7 October 2026. This is an unofficial, approximate 3D
visualization, not an official cadastral product or a survey of property rights.

OPENSTREETMAP ROAD LAYER
© OpenStreetMap contributors.
The complete derived road layer used by this viewer is the "roads" array in
data/scene.json, available directly in machine-readable JSON from this website.
It is available under the Open Database License (ODbL) 1.0:
https://opendatacommons.org/licenses/odbl/1-0/
https://www.openstreetmap.org/copyright
Changes: clipping, projection to local x/z coordinates, classification and
estimated widths where the source has no width. The road array is independent
of the building and terrain layers, which have separate source terms below.

ICGC TERRAIN AND ORTHOPHOTOGRAPHY
Derived terrain visualization and local orthophoto clips from the Institut
Cartogràfic i Geològic de Catalunya (ICGC), used under CC BY 4.0:
https://creativecommons.org/licenses/by/4.0/
https://www.icgc.cat/ca/LICGC/Informacio-publica/Transparencia/Reutilitzacio-de-la-informacio
Changes: clipping and conversion to a local elevation grid; surrounding terrain
resampled; aerial images mapped onto the 3D terrain. Orthophoto flight year is
not verified. No endorsement by the ICGC is implied.

CATASTRO-DERIVED BUILDING VISUALIZATION
Source: Dirección General del Catastro, INSPIRE Buildings, Vilanova de Meià.
Source access and use terms:
https://www.catastro.hacienda.gob.es/webinspire/documentos/Licencia.pdf
Changes: clipped footprints converted to approximate 3D volumes; estimated
heights from floor counts; provisional colors, facades and flat roofs. Original
download archives and GML files are not distributed by this website. The viewer
does not reproduce legal or economic property information and is not endorsed
by, or a substitute for, the Dirección General del Catastro.

SOFTWARE
Three.js and included add-ons: MIT license in vendor/THREE-LICENSE.txt.
These notices identify data-layer terms; they do not place the entire project's
source code or independent assets under ODbL or grant rights to future photos.