Proposed features/Roof position

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Roof position
Status: Draft (under way)
Proposed by: Marek_kleciak
Tagging: bottom:shape=*
Applies to: area
Definition: Notation of roof bottom shapes


This proposal describes tagging of elements with bottom:shape=*, bottom:height=*, min_heght=* tags for 3D modeling similar to Simple 3D Building Specification.


Some roofs have negative value of the roof:height=* tag. This should be used for 3D modeling:

MarekRoofPositionExample1.jpg


MarekRoofPosition.jpg

Some complex openings may be described as a sum of two or more building:part elements with bottom=* elements.

Following example - round opening in the wall is modeled with 2 elements:

RoofPositionDownRoofShapeRoundExample.jpg



Use of bottom:shape=* and bottom:height=* tags for building:part=* elements with bottom surfaces.

BottomHeightAndShape.jpg

Examples of bottom structures

[1] [2] [3]