AutoCAD FAQ

Accuracy

1. How do I stop tick marks appearing when I select something?
   Tickmarks that appear with each mouse click are called 'marker blips', the use of which is controlled via either the command Blipmode or the variable BLIPMODE. For more information about command vs. variable see How to change variables. 'Marker blips' can be cleared from the screen with command ...
   
   
2. How do I snap to a Hatch?
   The default action for AutoCAD is to ignore hatch objects, as doing so improves performance. The ability for AutoCAD to snap to a hatch object is controlled by one of two variables and their settings. Variable 1 From release 2005 through to release 2006, that variable is OSNAPHATCH. This variab ...
   
   
3. The Scroll Wheel button on my mouse will not PAN
   If the scroll-wheel (middle) mouse button will not Pan when pressed, set the MBUTTONPAN System Variable to 1: MBUTTONPAN = 0 - Sets the action defined in the CUI file. (The default action for this setting is the OSNAP types short-cut menu appearing beside the cursor). MBUTTONPAN = 1 - Sets the a ...
   
   
4. My "intersection" osnap will not work
   This can happen if the intersecting objects have different "z" values. When this is the situation, use the "apparent intersection" osnap. If "z" values have been applied to objects unintentionally, they can be reset to zero with the Express Tools command FLATTEN. "z" values of objects can al ...
   
   
5. Lost crosshair box
   The box that displays in the center of the crosshair is controlled by three variables. Variable 1 - Pickbox The variable PICKBOX controls the size of the box when there is no command active. This can be set to a number between 0 and 50. This variable can also be set by going to the menu ToolsOp ...