# IBM Visualization Data Explorer User's Guide

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## Hardware Rendering

True transparency is now supported for OpenGL platforms (previously only screen-door transparency was supported).

Anti-aliasing of lines, and multiple-pixel-width lines is now supported in OpenGL and GL. To specify anti-aliasing of lines, pass the object to be rendered through the Options module, setting an attribute of "antialias" with a value of "lines". To specify multiple pixel width lines, pass the object to be rendered through Options, setting an attribute of "line width", with value set to the number of pixels.

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