Moritz Geometry Editor

Translation and Duplication

Copies of surfaces, bodies, cells, or groups of cells can be made using the Translation dialog and the Duplicate dialog. The dialogs are invoked by items in the Surface/Body and Cell submenus of the 2D context menu and in the Selected Cells submenu of the Cell menu. Multiple cells can be chosen for translation or duplication by holding down the Control key while in the cell pick mode (entered by Pick in the Cell menu), by items in the context menus, and on the Selection dialog. With the Translation dialog, one can move an object by a specified offset or make a copy offset from the original. Duplication is used to make multiple copies of an object along a straight line, along a circular arc (including the complete circle), or on a Cartesian grid.

Duplicated Spheres  This Figure shows the result of two duplication operations on a spherical cell. The first duplication made copies evenly spaced along a circle. The second linear duplication was applied to the group of cells created in the first operation. The colors of the new objects can be assigned from the list of cycle colors (as was done for the first duplication) or the color can be the same as the original object (second duplication). The results of the last operation can be undone-see the previous paragraph.

The Transformation dialog is available for transformations that involve rotations as well as translations. On the dialog, one can view and edit transformations. The rotation direction and origin can be set interactively by drawing a line in a 2D window. Selecting the assign mode permits the application of the current transformation to surfaces or cells by clicking on the object in a 2D window. List buttons show which objects (surfaces, bodies, cells, lattice elements, and meshes) use the current transformation.

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