The Radial Sweep tool creates geometry by revolving the selection around a central point. The geometry can be a Modo curve profile or a polygon silhouette shape. You can use this tool to create simple round objects such as bottles, plates, or goblets. The Radial Sweep tool is also useful for creating objects such as springs by using the Offset control to not only spin the selected geometry while sweeping it but also move the new elements along the tool's axis. You may not receive satisfactory results when sweeping closed shapes such as cubes and spheres.
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Helix Generator |
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Count |
Determines the number of new segments generated by the tool. |
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Axis |
Determines along which axis to sweep the geometry. |
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Axis X/Y/Z |
Determines the location of the tool's Axis control handles. If you set all the values to 1 m, Modo sets one end at (-1,-1,-1) and the other end at (1,1,1) to create an skewed-off axis plane for the array. |
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Start Angle |
Determines the rotational placement first lathed geometry. |
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End Angle |
Determines the rotational placement for the last lathed geometry. NOTE: By default, the Start Angle and End Angle are 0 to 360 degrees. This creates an array that completes a circle. By changing these two values, you can create an array that revolves many times or one that leaves one side of the circle open. You may want to set the End Angle value greater than 360 degrees when combined with a non-zero Offset value to create a spiral. |
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Offset |
Moves each successive segment a user-defined distance from the previous segment along the tool's axis. This is useful when combined with an End Angle greater than 360 degrees to create a spiral for items such as a spring or a telephone cord. |
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Sweep Effector |
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Sweep UVs |
Determines along which UV axis (U or V) to span the newly created geometry. |
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Invert Polygons |
Flips the polygons created by the tool. In some circumstances lathing geometry turns inside out. In this case, enable Invert Polygons to have the geometry face the correct direction. |
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Cap Start |
Creates a cap on the start of the lathe to avoid a hole in the mesh. |
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Cap End |
Creates a cap on the end of the lathe. NOTE: The Cap options are only useful when the start and end angles do not result in a complete 360 rotation. In this case, the start and end segments are joined together. |
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Profile Attributes - If you wish, you can have Modo sweep a preset profile as readily as selected geometry. Select a profile in the Profiles section of the tool's Properties panel. |
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Size |
Determines the size of the 1D or 2D profile to sweep. If the size is 0.0, Modo uses the actual size. |
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Curve Subdivision Tolerance |
Controls the detail tolerance of the conversion from the original curve to the resulting sweep. This is the minimum angle Modo uses when it subdivides the Bezier curve into a string of two-point polygons for extrusion. |
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Pivot |
Specifies the pivot position of the profile. |
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Offset X/Offset Y |
Specifies the distance of the profile space. Modo adds this value to the Pivot position. |
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Reverse X/Reverse Y |
Flips the selected profile in the horizontal or vertical direction. |