Freeware

When the AutoCAD variable OSNAPZ is changed many have found it useful to have a more visual change to indicate its state. In verticals like AutoCAD Architecture you have a small button that indicates the state of the “Z lock” but some might want to even have the background color change just like the Block Editor changes the background color. With OsnapzBG loaded any change of OSNAPZ will also change the background and other specified colors depending on if OSNAPZ is set to 0 or 1. 

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When the AutoCAD variable OSNAPZ is changed many have found it useful to have a more visual change to indicate its state. In verticals like AutoCAD Architecture you have a small button that indicates the state of the “Z lock” but some might want to even have the background color change just like the Block Editor changes the background color.

With OsnapzBG loaded any change of OSNAPZ will also change the background and other specified colors depending on if OSNAPZ is set to 0 or 1.

The four colors that are saved and changed are:
*Model Space Crosshair Color
*Model Space Background Color
*Model Space Autotrack Vector Color
*Model Space Autosnap Marker Color

I have made this background color changer for OSNAPZ app available as a freeware.

Here is what it look like in AutoCAD Architecture. “Replace Z value with current elevation” is a button on the application status bar.

It is the system variable OSNAPZ that holds this setting. OSNAPZ was introduced in AutoCAD 2006 and with OSNAPZ set to 1 anything you snap to only uses the current elevation as z value. OSNAPZ controls whether object snaps are automatically projected onto a plane parallel to the XY plane of the current UCS at the current elevation. OSNAP command or OSMODE system variable in AutoCAD sets running object snap modes.

When installed as an AutoCAD app OsnapzBG shows up on the Plug-ins tab and gives quick access to also change the value of OSNAPZ.

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