1. Downloaded MXM material gives 'Missing Textures' error
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This happens because the user who uploaded the MXM to the material gallery placed the textures in a folder relevant only to their machine, so on your machine MXED won't be able to find the textures. To fix this:
- Go to the folder where you downloaded the MXM and double-click it to open it in MXED.
- MXED pops up a dialog asking you to locate the textures used in the material
- Navigate to the folder where the textures are located and choose the missing texture. If other textures used in a material are located in the same folder, MXED will continue searching in that folder for the other missing textures.
- After you have made sure all the textures are found (go through each BSDF in each Layer of the material to make sure), click the Save & Close button in MXED to save the MXM with the new texture paths.
- Verify that all the textures are found for the MXM by double-clicking the MXM to open it in MXED again. No missing textures dialog should appear.
MXED/Maxwell Render/Maxwell Studio will look in the following paths to find the textures of a material:
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2. Why aren’t the Arroway textures included in the installation?
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| The Arroway collection of materials and textures were always available since the early versions of Maxwell. For this new version, clients asked us to make sure the installation pack was lighter so they could download it faster, so we decided to remove the Arroway collection and a number of other textures. Of course, the collection is still available for clients on our website. However, we did leave one Arroway texture in the installation file so you can test it – the first wood material, named "boards-01". You can download the whole material collection from the Customer Portal (Download area), under "Additional Contents". |
3. In the Material Editor, what does the K parameter mean? What is the difference with the Nd parameter?
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From a physical point of view, the index of refraction is not just a plain number; it is derived from a complex calculation to define the refractive index at one particular wavelength. This is the calculation:
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4. Are the old v1. materials be compatible with Maxwell Render 2?
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The improvements in the Maxwell Render version 2 material system allow you to create better, more complex, and faster materials. Version 1.x materials are compatible with version 2, but a small number of version 1.x materials (and therefore scenes) may not look entirely correct. We recommend to re-do as many version 1.x materials in version 2 as possible to make them into materials of a far superior quality. The only materials that can present difficulties are SSS materials and Clipmap materials. |
5. My old SSS materials look different now.
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The new SSS system is better integrated into the general BSDF structure, making it more intuitive and easier to configure. As the new SSS model is slightly different to the old one, your old SSS materials might appear slightly different when rendered in the new version. To get them to look the same again, you will have to raise your Scattering Coefficient to a higher value. |
6. My old Clipmap materials look different now.
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| The new stacked layer system allows you to create more complex materials in a more intuitive way. Previously, you had to play with transmittance maps to get a simple Clipmap. Now, to create a Clipmap material, simply set up your material as usual, and apply the Clipmap in the Opacity/Mask map in the Layer Properties panel. See the Clipmaps page for more details. |
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