ufoProcessWhichField

    int ufoProcessWhichField(
       ufoProcess process_instance);

ufoProcessWhichField returns a value of 1 or 2 if field rendering is on, otherwise, it returns a value of 0.

ufoProcessFieldRendering may be called within ufoProcessRenderPixel, ufoProcessRenderLine, ufoProcessRenderRectangle, ufoProcessCanAvoidRendering, ufoProcessPreRender, ufoProcessPostRender, ufoProcessPreRenderPass, ufoProcessPostRenderPass, ufoProcessCalcDefinedRectangle, ufoProcessCalcNeedRectangles, ufoProcessCalcDefinedPixelTypes, and ufoProcessSpecifyConvertPixelType.

Autodesk Softimage v7.5