Drawings from AutoCAD 2007 open by default in AutoCAD 2008 in the standard (generic) lighting workflow. There is no explicit conversion required for lights from AutoCAD 2007 to AutoCAD 2008. Previous versions offered only standard (generic) lighting. In AutoCAD 2008, it is towards the +X axis.ĪutoCAD 2008-based products provide two options for lighting: standard (generic) lighting and photometric lighting. When you open a drawing prior to AutoCAD 2008, the seam for the map is towards the +Y axis. The spherical map rotation is different in AutoCAD 2008-based products.In AutoCAD 2007, white represented opaque areas and black represented transparent areas.
In AutoCAD 2008, the Opacity map channel behaves like a transparency map, where white is transparent and black is opaque (this was how it behaved prior to AutoCAD 2007). The behavior of the Opacity map channel under the Realistic material type has been corrected in AutoCAD 2008 based products.Marble and Wood are available but the material might show some variation. They do not appear when an AutoCAD 2008 drawing is opened in AutoCAD 2007. Procedural maps Checker, Noise, Speckle, Tiles, and Waves are not available in AutoCAD 2007 and previous releases.However, there are some fidelity issues when saving back to previous versions of AutoCAD. AutoCAD 2008 can automatically convert old materials to the AutoCAD 2008 format. Drawings created earlier than AutoCAD 2007 that contain materials need to be converted. Multiline text with new formatting that is edited and saved in previous releases loses the new formatting when reopened in AutoCAD 2008-based products.ĪutoCAD 2008-based products introduced new procedural maps for materials and luminance. Paragraphs with line spacing that can be approximated with “tall” spaces.Paragraphs with tabs using tab alignments (center, right, or decimal alignment applied).Paragraphs with non-default alignments (other than justified or distributed) in multiline text that has left object-level justification.The following multiline text formatting features have some visual fidelity in previous releases (when it’s possible to add white spaces or replace text with white spaces): Paragraphs with non-default alignments in multiline text without left object-level justification.Fields that wrap across lines that have new paragraph alignments.The following multiline text formatting features have no visual fidelity in previous releases: Some of the paragraph spacing and paragraph line spacing options are not supported when an AutoCAD 2008 multiline text object is opened in AutoCAD 2007 and earlier releases.
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