To place an arc manually
- Select Place Element.
- Turn off Erase Raster, Raster Snap and Auto Convert.
- Choose Arc from the Mode option menu.
- Enter a data point to define the beginning of the arc.
- Enter a second data point to anchor a point along the arc.
- Enter a third data point to define the end of the arc.
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Reset to end the arc.
Note: After defining one arc, you can continue the present complex chain with more arcs, or you can switch to Point mode or Stream mode and continue the complex chain with line strings. If you define more than one arc in a row, the second and the next arcs require only two points. The last point of the previous arc is the first point of the next arc. See “Arc Recognition” for more settings.