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Modeling Guide for 3D Objects - Part 2: Modeling of Buildings (LoD1, LoD2, LoD3) (view source)
Revision as of 12:04, 17 December 2013
, 12:04, 17 December 2013→Thoroughfare
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==== Thoroughfare ====
==== Passages ====
===== Definition =====
===== Definition =====
SIG3D: An open '''Thoroughfare''' is a part of a building at ground level for '''vehicles''' to drive through the building. It is bounded by walls and a roof.
SIG3D: An open '''Passage''' is a part of a building at ground level for '''vehicles''' to drive through the building. It is bounded by walls and a roof.
===== CityGML Feature =====
===== CityGML Feature =====
* '''LOD1:''' not available
* '''LoD1:''' not available
* '''LOD2:''' ''bldg:BuildingInstallation''
* '''LoD2:''' ''bldg:BuildingInstallation''
* '''LOD3:''' ''bldg:BuildingInstallation''
* '''LoD3:''' ''bldg:BuildingInstallation''
===== Geometry =====
===== Geometry =====
*'''''bldg:boundedBy'' <span style="color:#00FF00">recommended</span>'''
*'''''bldg:boundedBy'' <span style="color:#00FF00">recommended</span>'''
** Threshold LOD2 / LOD3:
** Threshold LOD2 / LOD3:
*** Modeling only, if the Thoroughfare's depth and height >= 2 m;
*** Modeling only, if the passage's depth and height >= 2 m;
** '''Modeling Principle''' (Thoroughfare in a building)
** '''Modeling Principle''' (passage in a building)
*** The building contains all geometry-containing boundary surfaces.
*** The building contains all geometry-containing boundary surfaces.
*** The Thoroughfare (BuildingInstallation) '''references (Xlink)''' to the building's corresponding boundary surfaces.
*** The passage (BuildingInstallation) '''references (Xlink)''' to the building's corresponding boundary surfaces.
*** The building's volume references (Xlink) to the building's corresponding boarder surfaces.<table border="0" cellspacing="6"><tr align="left" valign="center"><td width="600">[[image:Durchfahrt-Prinzip.png|600px]]</td></tr><tr align="center" valign="top"><td>Modeling Principle of a Thoroughfare</td></tr></table>
*** The building's volume references (Xlink) to the building's corresponding boarder surfaces.<table border="0" cellspacing="6"><tr align="left" valign="center"><td width="600">[[image:Durchfahrt-Prinzip.png|600px]]</td></tr><tr align="center" valign="top"><td>Modeling principle of a passage </td></tr></table>
** '''Modeling Principle''' (Shared Thoroughfare through two buildings)
** '''Modeling Principle''' (Shared passage through two buildings)
*** Each building contains all geometry-containing boundary surfaces
*** Each building contains all geometry-containing boundary surfaces
*** The Thoroughfare (BuildingInstallation) is assigned to the building which contains the greater part of the Thoroughfare. The Thoroughfare '''references (Xlink)''' to the building's corresponding boarder surfaces and complements the Thoroughfare with bounding geometry at the BuildingInstallation.
*** The passage (BuildingInstallation) is assigned to the building which contains the greater part of the passage. The passage '''references (Xlink)''' to the building's corresponding boarder surfaces and complements the passage with bounding geometry at the BuildingInstallation.
*** The building's volume references (Xlink) to the building's corresponding boarder surfaces.<table border="0" cellspacing="6">
*** The building's volume references (Xlink) to the building's corresponding boarder surfaces.<table border="0" cellspacing="6">
<tr align="left" valign="center">
<tr align="left" valign="center">
<tr align="center" valign="top">
<tr align="center" valign="top">
<td>
<td>
Modeling Principle of a shared Thoroughfare</td>
Modeling principle of a shared passage</td>
</tr>
</tr>
</table>
</table>
===== Attributes =====
===== Attributes =====
;''bldg:function''
;''bldg:function''
:Thoroughfare (1002); see SIG 3D codelist recommendation for [http://www.sig3d.org/codelists/Handbuch-SIG3D/building/2.0/CL-V1.0/BuildingInstallation_function.xml ''bldg:BuildingInstallation --> function'' ]
:Passage(1002); see SIG 3D codelist recommendation for [http://www.sig3d.org/codelists/Handbuch-SIG3D/building/2.0/CL-V1.0/BuildingInstallation_function.xml ''bldg:BuildingInstallation --> function'' ]
;''bldg:boundedBy''
;''bldg:boundedBy''
:<span style="color:#00FF00">'''recommended:'''</span> A Thoroughfare is considered as a building component which semantically consists of the building's boundary surfaces and possibly an exterior floor surface.
:<span style="color:#00FF00">'''recommended:'''</span> A passage is considered as a building component which semantically consists of the building's boundary surfaces and possibly an exterior floor surface.
===== Examples =====
===== Examples =====
<tr align="left">
<tr align="left">
<td colspan="6">
<td colspan="6">
'''Thoroughfares'''
'''Passages'''
</td>
</td>
</tr>
</tr>
Actual Example
Actual Example
</td>
</td>
<!-- ALKIS Spalte
<td>
<td>
ALKIS
ALKIS
</td>
</td>
-->
<td>
<td>
CityGML LOD0
CityGML LoD0
</td>
</td>
<td>
<td>
CityGML LOD1
CityGML LoD1
</td>
</td>
<td>
<td>
CityGML LOD2
CityGML LoD2
</td>
</td>
<td>
<td>
CityGML LOD3
CityGML LoD3
</td>
</td>
</tr>
</tr>
<td width="200px" valign="bottom">
<td width="200px" valign="bottom">
[[image:Real_Durchfahrt_Z26.png|200px]]
[[image:Real_Durchfahrt_Z26.png|200px]]
Passage inside of a building
</td>
</td>
<!-- ALKIS Spalte
<td width="200px" valign="bottom">
<td width="200px" valign="bottom">
[[image:ALKIS_Durchfahrt_Z26.png|200px]]
[[image:ALKIS_Durchfahrt_Z26.png|200px]]
</td>
</td>
-->
<td width="200px" valign="bottom">
<td width="200px" valign="bottom">
<td width="200px" valign="bottom">
<td width="200px" valign="bottom">
[[image:Zwei_Gebaeude_mit_gemeinsamer_Durchfahrt-02-Foto-V1.jpg|200px]]
[[image:Zwei_Gebaeude_mit_gemeinsamer_Durchfahrt-02-Foto-V1.jpg|200px]]
Two buildings with a shared Thoroughfare
Two buildings with a shared passage
</td>
</td>
<!-- ALKIS Spalte
<td width="200px" valign="bottom">
<td width="200px" valign="bottom">
[[image:ALKIS_Durchfahrt_Z27.png|200px]]
[[image:ALKIS_Durchfahrt_Z27.png|200px]]
</td>
</td>
-->
<td width="200px" valign="bottom">
<td width="200px" valign="bottom">
<td width="200px" valign="bottom">
<td width="200px" valign="bottom">
Two buildings with separate Thorouoghfares
Two buildings with separate passages
</td>
</td>
<!-- ALKIS Spalte
<td width="200px" valign="bottom">
[[image:ALKIS_Durchfahrt_Z28.png|200px]]
[[image:ALKIS_Durchfahrt_Z28.png|200px]]
</td>
</td>
-->
<td width="200px" valign="bottom">
<td width="200px" valign="bottom">
<td width="200px" valign="bottom">
<td width="200px" valign="bottom">
Two offset buildings with separate Thoroughfares
Two offset buildings with separate passages
</td>
</td>
<!-- ALKIS Spalte
<td width="200px" valign="bottom">
<td width="200px" valign="bottom">
[[image:ALKIS_Durchfahrt_Z29.png|200px]]
[[image:ALKIS_Durchfahrt_Z29.png|200px]]
</td>
</td>
-->
<td width="200px" valign="bottom">
<td width="200px" valign="bottom">
<td width="200px" valign="bottom">
<td width="200px" valign="bottom">
[[image:Zwei_Gebaeude_mit_einseitiger_Durchfahrt-05-Foto-V1.jpg|200px]]
[[image:Zwei_Gebaeude_mit_einseitiger_Durchfahrt-05-Foto-V1.jpg|200px]]
Two buildings with onesided Thoroughfare
Two buildings with onesided passage
</td>
</td>
<!-- ALKIS Spalte
<td width="200px" valign="bottom">
</td>
</td>
-->
<td width="200px" valign="bottom">
<td width="200px" valign="bottom">
Two buildings with a connection section
Two buildings with a connection section
</td>
</td>
<!-- ALKIS Spalte
<td width="200px" valign="bottom">
<td width="200px" valign="bottom">
[[image:ALKIS_Durchfahrt_Z31.png|200px]]
[[image:ALKIS_Durchfahrt_Z31.png|200px]]
</td>
</td>
-->
<td width="200px" valign="bottom">
<td width="200px" valign="bottom">
<td width="200px" valign="bottom">
<td width="200px" valign="bottom">
[[image:Real_Durchfahrt_Z53.png|200px]]
[[image:Real_Durchfahrt_Z53.png|200px]]
Upper floor Thoroughfare
Upper floor passage
</td>
</td>
<!-- ALKIS Spalte
<td width="200px" valign="bottom">
</td>
</td>
-->
<td width="200px" valign="bottom">
<td width="200px" valign="bottom">