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BSDF Page
The operation of this page is similar to that of the BSDF page in MXED. When certain parameters in the page are grayed-out, it means
that they would have no effect; they will become enabled when other parameters have been changed in such a way as to make them
effective.
As the BSDF page is taller than the minimum-height of the Material Editor, it includes collapsible Reflectance, Surface, and SubSurface
groups; their operation is the same as that of collapsible groups in the Scene Manager, and the plugin remembers the
expanded/collapsed state of each group across sessions. When the Material Editor is sized in such a way as to hide part of the BSDF
page, you can ‘grab’ the page by clicking down the left mouse button and then drag it up and down. By design, it does not show a
scrollbar, due to the limited space available, and also because if it did, the mouse-wheel adjustments made to numeric textboxes would
scroll the page up and down rather than adjusting the value.
When Reflectance > IOR is set to ‘Measured Data’, all of the parameters in the Reflectance group will be hidden, since they have no
effect in this case. Similarly, the min/max Thickness controls in the SubSurface group are only shown when (a) Single Side SSS is
enabled, and (b) an SSS Thickness map is assigned and enabled.
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