Setting the Scale of a Background Picture

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Setting the Scale of a Background Picture

Adjust the screen scale according to the background picture.

\setscale

Background pictures displayed in the modeling mode and are especially useful for creating a design as a collage on the basis of an aerial photograph of the site.

This command allows you to adjust the scale of the picture according to the distance between two known point on the picture.

Indicate two points on the background picture. Specify the distance between these points. The screen scale is adjusted to suit the specified dimension.

$image\ebx_1693072387.gif$ NOTE To maintain the scale, set the screen scale mode to fixed (see Viewing, Setting the Screen Scaling Mode (\sclmod)). If you do not, viewing commands such as zoom in and zoom out will change the scale.