What is system variable autocad?

System variables are settings that control how certain commands work. … You can use a system variable to change a setting or to display the current status. Many system variable settings can also be modified in a dialog box or on the ribbon.

What is System Variable monitor AutoCAD?

Monitors system variables and reports when they are changed from their preferred value. … You can reset system variables that have changed back to the preferred value.

Why do system variables change in AutoCAD?

Monitors system variables and reports when they are changed from their preferred value. In most cases, this happens when a custom routine is cancelled. You can reset system variables that have changed back to the preferred value.

What is Dimassoc AutoCAD?

In newer versions of AutoCAD, the variable is called DIMASSOC. The DIMASSOC variable controls whether dimensions are created as exploded, associative, or non-associative. Differences in this variable will change behavior.

How do you change the Z value to 0 in AutoCAD?

Alternative to change the Z value of objects to zero:

1. Type in the CHANGE command.
2. Type ALL to select all objects and then Enter.
3. Type P for Properties.
4. Type E for Elevation.
5. Type 0 and then a final Enter to end the command.

What is Nurbs in AutoCAD?

Non-uniform rational basis spline (NURBS) is a mathematical model commonly used in computer graphics for generating and representing curves and surfaces. … The shape of the surface is determined by control points. NURBS surfaces can represent, in a compact form, simple geometrical shapes.

What is Visretain in AutoCAD?

Controls visibility, color, linetype, lineweight, and plot styles. Use this system variable in conjunction with the VISRETAINMODE system variable to manage which xref layer property overrides you want to automatically sync on reload.

What is Multileader in AutoCAD?

The MLEADER command in AutoCAD is used to create leader objects. It includes an arrowhead, a leader line or curve, and a horizontal landing. It also consists of a block or multiline text object. It creates a line, which connects it to the dimensioning text.

How do you remove associative dimension in AutoCAD?

Click Application button Options. In the Options dialog box, User Preferences tab, under Associative Dimensioning, select or clear Make New Dimensions Associative. Click Apply or OK.

What does the Flatten command do in AutoCAD?

FLATTEN results in 2D objects that retain their original layers, linetypes, colors and object types where possible. You can use FLATTEN to create a 2D drawing from a 3D model, or you can use it to force the thickness and elevations of selected objects to 0.

How many layers a drawing should have?

Layer 0 cannot be deleted or renamed to ensure that every drawing includes at least one layer. In general, you should always create several new layers with which to organize your drawing, rather than create your entire drawing on layer 0. These layers can be saved in a drawing template (a file with a .

How do I go back from 3d to 2d in AutoCAD?

To Switch between the 3D and 2D graphics display, click View menu > Visual Styles > 2D Wireframe or 3D Wireframe.