File formats[ edit ] IFC defines multiple file formats that may be used, supporting various encodings of the same underlying data.
Inventor Importing Inventor models into Photopia There are 2 options for importing models from Inventor into Photopia. The first option is preferred. Make all required components visible and all non-required custom paper size microstation invisible.
Components that you do not want in the raytrace do not need to be suppressed, just toggling their visibility is sufficient. Click the "Options" button at the bottom of the file dialog.
Select the appropriate units. In the Structure option, choose "one file per instance. Separate the various parts onto different layers once the solid is imported into AutoCAD.
Photopia will mesh the solids upon importing them. The Photopia lamps are all constructed so that their light center is at 0,0,0. Therefore, if you can setup your luminaire assembly so that 0,0,0 is at the lamp center then it will be very easy to locate the Photopia lamp model within your luminaire.
If the luminaire uses multiple lamps, then putting 0,0,0 at the center of all lamp location is convenient.
If it is not convenient to locate 0,0,0 within your model at the lamp center, then we recommend you construct a small cone in your assembly so that the tip of the cone points to the lamp center s. This way, when the lamp is imported into Photopia and its location is requested, you can use the Osnap to an Endpoint to pick the end of the cone.
You can turn off the cone layer within Photopia once the lamps are placed so they will not affect the optical analysis. The NURBS surfaces can then be easily converted to polygon meshed based models for use in Photopia, but before they are converted make sure that the parts in the model that use different material finishes are separated onto different layers.
In this case, you must define a new layer for each part with a different surface finish and then move the parts to their appropriate layer. The steps for this are listed below: Click the New button with the Edit Layers dialog. Type in a name that will help you identify the part.
We suggest you use the Photopia layer naming convention to make importing the model into Photopia quicker. Give the new layer a unique color by clicking on the color patch for that layer. To help ease the process of assigning the NURBS surfaces to their appropriate layer, we recommend you turn Off each new layer.
Once all required layers have been defined, then click OK on the Edit Layers dialog. To change the layer of a particular surface, click on one of the boundary lines of that surface.
If the boundary you select is shared by 2 surfaces, then Rhino will pop-up a dialog that allows you to toggle or scroll through the alternatives while it highlights them in the CAD view.
Pick the surface you desire within this pop-up dialog. If you turned all of the newly created layers off, then the surfaces will be removed from the display as you assign them to their layers.
The easiest method is to convert them at the time the DXF file is written. If the model includes Photopia lamps, then be sure to select from the Top view. You can accept the defaults. From the Polygon Mesh Options dialog.
Select the Detailed Controls. Skip to the Polygon Mesh Detailed Options section below. Now skip to the Polygon Mesh Detailed Options section below. When finished with that section, return to the next step in this section. Once the meshed surfaces are created, you can export them to a DXF file by following the steps listed in the first section.
Note that we recommend you put all of the meshes onto unique layers to keep them separate from the original NURBS surfaces.DWG Converter | AutoCAD Format / Version Converter guthrie dwgConvert 9. dwgConvert 9 is a very easy-to-use, fast and reliable .
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