Autodesk 00308-011408-9F30A User Guide - Page 73

The circular grid is a useful tool for drawings that require points to align along an arc or circle. However, when setting up the circular grid, it is almost always necessary to reposition the Grid Origin so the radial lines of the grid are aligned correctly with the drawing. To set up the circular reference grid 1 On the Tools menu, click Drawing Options. The Drawing Options dialog box appears. 2 Click the Grid page tab, then click the Circular page tab. 3 Enter the distance between gridpoints in the Snap Interval text boxes. 4 (optional) Check the Major as Interval check box. This check box is the direct link between the displayed grid and the snap interval grid. When the check box is unchecked, you must enter the number of snap intervals between major lines. When the check box is checked, you must enter the interval between major lines. 5 (optional) Enter the number of snap intervals between major lines in the Major Frequency text box. 6 (optional) Enter the distance between major lines in the Major Interval text box. 7 Select a style from the Minor Style drop-down list box. s None removes the minor lines from the reference grid. s Subdivisions creates a pattern of minor lines, equally spaced between major lines. s Offset creates one minor line, offset a specific distance from the major line. s Double Offset creates minor lines offset a specific distance on both sides of each major line. 8 (optional) Click a number of subdivisions between major lines in the Minor Subdivisions drop-down list box. 9 (optional) Enter an offset distance between the minor and major lines in the Minor Offset distance text box. 10 (optional) In the Grid Position section, enter new coordinates in the Origin text boxes. The first text box is the x-coordinate, the second is the y-coordinate. 11 (optional) Enter a new angle in the Angle text box. 12 Click OK. Changing the Grid | 63