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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 />

Manipulations with Line Segments<br />

286<br />

Existing line segments can be modified using the option:<br />

Trim Graphic Line<br />

To trim off a piece of a line segment or any other sketch entity, use the mouse and select the piece to trim<br />

off. If a free end of a segment was selected, it will be cut off by the nearest intersecting line. If the selected<br />

portion of a segment or arc is between two intersections, then the selected entity will be cut at those<br />

intersections.<br />

The following option allows modifying any sketch entities except a full circle:<br />

Extend Graphic Line<br />

In this case, the selected entity will be extended or shortened. The position of the pointer at selection time is<br />

important. The selected element and its extension will be highlighted. If a line segment was selected, then the<br />

infinite line extension will be highlighted. If it was an arc, then the extension circle will be highlighted. The<br />

end node nearest to the pointer at the time of selection will also be highlighted. This node can be moved by<br />

the mouse to either side. The node position and, hence, the new image of the entity can be fixed by clicking<br />

. Alternatively, you can select a graphic line to which the current entity needs to be extended or shortened.<br />

To divide existing graphic lines into several pieces, use the options in the<br />

respective pull down menu.<br />

To divide an existing graphic entity into two at the specified point, use the<br />

option:<br />

Divide Graphic Line<br />

To do this, select any graphic entity created by the command “SK: Create Sketch” or “G: Create<br />

Graphic Line”. The selected entity will be highlighted, with a node rubberbanding along the entity,<br />

dividing the entity into two. Clicking fixes the node position. The node can also be specified as an<br />

intersection point of the selected entity with another graphic entity (a line segment, circle or arc). To do this,<br />

selecte a graphic line, whose intersection with the current entity will be the dividing point of the current<br />

entity.<br />

As a result, a node will be created at the specified position, dividing the original entity into two.

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