For example, you can place the survey point at a corner of the project site or at the intersection of 2 property lines, and specify its real-world coordinates. In Revit, the survey point identifies a real-world location near the model. Survey coordinate systems handle significantly larger scales than project coordinate systems and deal with issues such as the curvature of the earth and terrain, which are insignificant to project coordinate systems. Some systems use latitude and longitude others use XYZ coordinates. Many survey coordinate systems are standardized. Automatically update floor plans, elevations and sections as your model develops. Begin modelling in 3D with accuracy and precision. This coordinate system is defined outside the context of a project. Use Revit BIM (Building Information Modelling) software to drive efficiency and accuracy across the project lifecycle, from conceptual design, visualisation and analysis to fabrication and construction. Use the survey coordinate system to identify the specific location on the earth's surface where your Revit model resides.
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