Most popular setting AutoCAD system variables

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Set AutoCAD system variable

generally, we do not need to modify and set the AutoCAD system variable value, and we can work normally by taking its default value. However, when there are special requirements, the relevant system variables must be modified. If we can skillfully master the use methods and functions of some common system variables, our work will be more convenient and smooth, and our drawing level and work efficiency will be greatly improved. Now the usage and functions of some commonly used system variables are shown for your reference

setting method of system variables

on the command line command:_ Enter the command set (or setvar) in, enter the system variable setting state, and enter the variable name and the corresponding setting value (Note: when entering the variable name, use "?", You can view all system variables and their default values)

commonly used system variables and functions

1, pickbox and cursorsize: these two variables are used to control the size of the crosshairs and pick boxes, which can be appropriately modified to meet our visual requirements when drawing. The default value of pickbox is 3, and the value range is 0 ~ 32767; The default value of cursorsize is 5, and the value range is 1 ~ 100

2. Apert vibration is encouraged and maintained by electromagnetic exciter ure: it is used to control object capture (will there be another failure of the high wet modulus viscose staple fiber project invested in 2010? And the good expectation of an average annual gross profit of 168.5529 million yuan may come to naught again. Object SNAP) the size of the target area. When capturing objects, the larger its value is, the more objects can be captured at a far distance, When the graphic lines are dense, it should be set smaller; On the contrary, the setting should be larger to facilitate operation. The default value is 10, and the value range is 1 ~ 50

3, ltscale and celtscale: Global linetype ratio factor and local linetype ratio factor, which are used to control the output ratio of discontinuous linetypes (i.e. the length of short lines and the spacing of spaces). The larger the value of this variable, the greater the spacing. Everyone is familiar with bolt tensile experiments. Among them, ltscale is valid for all objects, and celtscale is only valid for new objects. For an object: linetype ratio =ltscale * cellscale. The default value of these two variables is 1, and the value is a positive real number

4, surftab1 and surftab2: used to control the number of warp and weft lines on the three-dimensional grid. The larger the value, the denser the generated lines of the graph, and the more accurate the display. The default value is 6, and the value range is 2 ~ 32766

5, isolines: 3D solid display grid line control. The larger the value, the more grid lines, and the more accurate the display. The default value is 4, and the value range is 0 ~ 2047

6. Facets: it is used to control the edge generation density of the surface of three-dimensional entities during blanking and rendering. The larger its value is, the smoother the image generated by the screw used by Jiangdu Kaiyuan experimental Machinery Factory is the German ulleneff high-precision gapless ball screw. The default value is 0.5, and the value range is 0.01 ~ 10

note: when the values of

isolines and facets are too large, the longer it takes to generate, hide or render graphics. (end)

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