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T-FLEX Parametric CAD. Fundamentals. 2D Design

T-FLEX Parametric CAD. Fundamentals. 2D Design

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<strong>Fundamentals</strong>. Two-Dimensional <strong>Design</strong><br />

252<br />

• Exit the particular path segment editing mode by right-clicking or pressing on the<br />

keyboard.<br />

• Confirm changes by the option:<br />

Finish input<br />

Let’s review an example explaining the process of editing a particular<br />

segment of a path contour. The diagram shows the original path.<br />

The wave segment is to be replaced by a straight line.<br />

Call the command “EC: Edit Construction” and select the path. The<br />

next diagram shows the situation after selecting the path.<br />

The contour is highlighted, and the end nodes are marked by small<br />

boxes. Move the cursor over the contour segment to be edited (the wave<br />

line in this case) and click . The selected contour segment will be<br />

highlighted and its nodes marked with larger boxes. This state is shown<br />

on the next diagram.<br />

Select the straight line passing through the edited contour nodes by<br />

moving the cursor over and typing key. The edited path segment<br />

now assumes the desired shape. The system still remains in the selected<br />

path segment editing mode. If transforming this segment is over, quit the<br />

current segment editing mode by right clicking or pressing on<br />

the keyboard.<br />

The icon becomes then accessible in the automenu. If there are no more modifications to the path, push<br />

or key. What is left is just changing the graphic line type, if necessary.<br />

Similarly, one can replace a path segment with a circular or elliptic arc, or a spline segment, or a<br />

part of another path, if the circle, ellipse, spline or path is constructed based on the marked nodes.<br />

Simply use the appropriate option among , and . If the new path segment was not<br />

created based on the marked nodes yet passes through them, then editing such path segment can be<br />

done using the option “Switch to ‘Insert Point’ mode” (the icon or the key). This option<br />

will be fully described below.<br />

The selected segment of the path between two nodes can be replaced as many times as necessary. The path<br />

segment will stay selected until the user quits by right clicking or pressing . If a contour segment<br />

was modified using the option “Switch to ‘Insert Point’ mode” (the icon or key), then the selected<br />

contour segment gets unselected after the change (no need to press ). Meanwhile, the system will<br />

remain in the path contour editing mode until the confirmation by or key.<br />

L

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