Autodesk 00128-051462-9340 Preview Guide - Page 37

Dimension Spacing, Arc Extension Lines, Angular dimensions with

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AUTOCAD 2008 PREVIEW GUIDE Figure 59. Dimension Spacing Enhancements to diametric, radial, and jogged radial dimensions enable you to dimension an arc beyond its endpoints. The process for creating these dimensions hasn't changed. However, when you specify the location of the dimension line, you can drag beyond the endpoints of the arc. AutoCAD will automatically create an arc extension line using the same properties, such as extension line color and extension line offset, as traditional extension lines. Figure 60. Arc Extension Lines A new option for angular dimensions enables you to place the dimension text outside of the angle being measured. You can access the new option, Quadrant, from the right-click menu when prompted to specify the dimension arc line location. The Quadrant option asks you to specify the quadrant (angle) that you want to dimension separate from specifying the dimension arc line location. If the dimension arc line location that you specify is outside of the quadrant that is being measured, AutoCAD will automatically create an arc extension line to the dimension text. Figure 61. Angular dimensions with and without the quadrant option. The Tolerances tab of the Dimension Style dialog box has been updated to include controls for aligning tolerances. You can align stacked tolerances using either the decimal separator or the operation symbol. 37

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AUTOCAD 2008 PREVIEW GUIDE
Figure 59. Dimension Spacing
Enhancements to diametric, radial, and jogged radial dimensions enable you to dimension an arc beyond its
endpoints. The process for creating these dimensions hasn’t changed. However, when you specify the location
of the dimension line, you can drag beyond the endpoints of the arc. AutoCAD will automatically create an arc
extension line using the same properties, such as extension line color and extension line offset, as traditional
extension lines.
Figure 60. Arc Extension Lines
A new option for angular dimensions enables you to place the dimension text outside of the angle being
measured. You can access the new option, Quadrant, from the right-click menu when prompted to specify the
dimension arc line location. The Quadrant option asks you to specify the quadrant (angle) that you want to
dimension separate from specifying the dimension arc line location. If the dimension arc line location that you
specify is outside of the quadrant that is being measured, AutoCAD will automatically create an arc extension
line to the dimension text.
Figure 61. Angular dimensions with and without the quadrant option.
The Tolerances tab of the Dimension Style dialog box has been updated to include controls for aligning
tolerances. You can align stacked tolerances using either the decimal separator or the operation symbol.
37