I have to calculate on a plane that covers all the floor but 70cm above See the documentation: "Organize model in SketchUp layers". It is better to group the faces to be calculated in layers and to organize the layers by material (all faces of a layer receive the same material). Group all the surfaces to be calculated in the same layer and use the "Select by layer" button in the toolbar of the extension. I have a lot of spaces to calculate, how to select them all? All modules of DL-Light are systematically validated by comparing the results with Radiance reference calculations. Radiance has been widely validated by many teams over the years and is widely recognized as the driving force behind most reliable simulation. See the documentation: "How to prepare a model for DL-Light calculations".ĭL-Light uses the Radiance simulation platform for all its simulations. If no result is shown, try to invert the face (a right click on the surface and "inverting faces" in the SketchUp menu). DL-Light performs the calculation for the surface looking "upward", the so-called oriented surface, which is supposed to receive light. On the SketchUp model the "downward surface" has a darker color. In SketchUp, a surface has two sides, an "upward" side (in the normal direction) and a "downward" side. It is likely that the area to be calculated is not correctly oriented. On a simple test model, no image appears? There is no size limit for models other than the limitations of your computer.ĭL-Light has been tested with models having more than 500,000 surfaces. See documentation: "How to change seasons definition". Yes, The definition of seasons can be changed in preferences. It is therefore prudent to do a test before updating a model long to calculate.Ĭan we change the definition of seasons, especially for the southern However, it is possible that a version update involves recalculating a model. Even if the features brought by a new version do not interest you, updates fix problems, improve ergonomics and performance. Is it worth updating to the new version of DL-Light?
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