CityGML-Developers
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| There are a number of specifications, guidelines, examples and tools that support the development of CityGML enabled software solutions.
IFC Developers should know the following things |
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Specification and supporting documents
- A full documentation of all GML versions is available from the offical OGC website [
- The current IFC2x3 EXPRESS schema can be found there as well
- Implementer agreements for IFC2x3 (starting with 2006) are available here
- Sample CityGML files and WFSs for testing are available from different sources, see Examples_and_WFSs
Toolboxes and other development software
ADE
Subsets of the IFC specifications that satisfy a certain exchange scenario are named views. Current view definitions include:
- IFC2x3 Extended Coordination View - the IFC subset for coordinating the architectural, building service and structural disciplines during the design phase of a construction project.
- Other view definitions are currently developed:
- IFC2x3 Structural Analysis View - the IFC subset to exchange the structural analysis model from a structural modelling to a structural analysis application
- IFC2x3 Quantity Take-off View - the IFC subset to hand over the quantities of a building information model to cost estimation and calculation
- IFC2x3 Operation & Maintenance View - the IFC subset to handover the facility management relevant information of spaces, furnitute, fixture and equipment to Computer-Aided Facility Management CAFM software