Layer by Elevation Have you ever wanted to change the highlighted (indexed) contour interval in an AutoCAD drawing? Or even add an indexed interval? Here's a handy routine that will do that a whole lot more. Requires ... Cost: $7 Buy full version       Trial version       Publisher: Juneau Software     Descriptions Layer by Elevation: Have you ever wanted to change the highlighted (indexed) contour interval in an AutoCAD drawing? Or even add an indexed interval? Here's a handy routine that will do that a whole lot more. Requires AutoCAD 2000 (or later).