Change Drawing Scale Autocad 2010
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Home: AutoCAD 2010 User Documentation
Control the Display of Fractions
Dimensions and Tolerances
Create Dimensions
Set the Scale for Dimensions
You can specify the size of dimensions in your drawing. How you set dimension size depends on the method you use to lay out and plot drawings.
Dimension scale affects the size of the dimension geometry relative to the objects in the drawing. Dimension scale affects sizes, such as text height and arrowhead size, and offsets, such as the extension line origin offset. You should set these sizes and offsets to values that represent their actual plotted size. Dimension scale does not apply the overall scale factor to tolerances or measured lengths, coordinates, or angles.
NoteYou can use annotative scaling to control the overall scale of dimensions displayed in layout viewports. When you create annotative dimensions, they are scaled based on the current annotation scale setting and automatically displayed at the correct size.
Setting dimension scale depends on how you lay out your drawing. There are three methods used to create dimensions in a drawing layout:
- Dimension in model space for plotting in model space. This is the traditional method used with single-view drawings. To create dimensions that are scaled correctly for plotting, set the DIMSCALE system variable to the inverse of the intended plot scale. For example, if the plot scale is 1/4, set DIMSCALE to 4.
- Dimension in model space for plotting in paper space. This was the preferred method for complex, multiple-view drawings prior to AutoCAD 2002. Use this method when the dimensions in a drawing need to be referenced by other drawings (xrefs) or when creating isometric dimensions in 3D isometric views. To prevent the dimensions in one layout viewport from being displayed in other layout viewports, create a dimensioning layer for each layout viewport that is frozen in all other layout viewports. To create dimensions that are scaled automatically for display in a paper space layout, set the DIMSCALE system variable to 0.
- Dimension in layouts. This is the simplest dimensioning method. Dimensions are created in paper space by selecting model space objects or by specifying object snap locations on model space objects. By default, associativity between paper space dimensions and model space objects is maintained. No additional scaling is required for dimensions created in a paper space layout: DIMLFAC and DIMSCALE do not need to be changed from their default value of 1.0000.
NoteWhen you dimension model space objects in paper space using associative dimensions, dimension values for the display scale of each viewport are automatically adjusted. This adjustment is combined with the current setting for DIMLFAC and is reported by the LIST command as a dimension style override. For nonassociative dimensions, you must set DIMLFAC manually.
See Also
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Draw, Scale, and Annotate in Model Space
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Scale Views in Layout Viewports
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Scale Annotations
- Click a layout tab to switch to paper space.
- To create dimensions in paper space with the correct model space dimension values, use object snap modes to snap to points in model space from paper space or select the objects directly.
The DIMLFAC system variable can be changed if you need to convert the linear dimension values between the imperial and metric measurement systems.
DIMREGEN
Updates the locations of all associative dimensions.
DIMSTYLE
Creates and modifies dimension styles.
DIMASSOC
DIMLFAC
Sets a scale factor for linear dimension measurements.
DIMSCALE
Sets the overall scale factor applied to dimensioning variables that specify sizes, distances, or offsets.
Source: http://docs.autodesk.com/ACD/2010/ENU/AutoCAD%202010%20User%20Documentation/files/WS1a9193826455f5ffa23ce210c4a30acaf-6208.htm
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