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CAD tip CAD tip # 5535:

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An effective way to bind raster images inside DWG files.

A - answer If you need to embed a raster file inside a DWG drawing (not just refer it externally), you can either insert it as an OLE object (which has some performance and reliability drawbacks) or you can use the new embedding function of the AutoCAD Raster Design application.

Raster Design 2008 (and higher) contains a new command IEMBED, which can embed dualtone (single-color) raster images inside a DWG file. Such embedded image behaves mostly just like standard image entity inserted with IMAGE (except for ImageClip, ImageAdjust). In the drawing database this image is represented by a special object AecIdbEmbeddedRasterImage, so you will need either Raster Design or the free Raster Design Object Enabler (2008 or higher) to display it in AutoCAD. You can also "externalize" such entity with the IUNEMBED command.

The embedded raster image doesn't take up much space in the DWG file - a 100kB compressed TIFF makes only a 125kB DWG file.

Another solution is the add-on utility CADstudio ImgConvert which converts referenced raster images to native solid "pixels".

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27.4.2007    42248×  
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See also:
Tip 11570:How to create an Inventor drawing from a photo?
Tip 9829:DrGrid - parametric grid for AutoCAD drawings.
Tip 9255:Align image, change width/height independently.
Tip 9001:Missing images when plotting from Revit to HP Designjet T620.
Tip 8102:Infinite library of rendering textures - Substance.

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