The Scene class of the Aspose.3D API represents a 3D scene. Developers can build a 3D scene by adding Camera, Light, polygons and various other entities. They can also now save a 3D scene in the PDF file format....PdfLightingScheme , PdfRenderMode , PdfSaveOptions from aspose.threed.shading...and lighting scheme opt = PdfSaveOptions () opt . lighting_scheme...