Sketching, Selection, and Zooming
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| Select Options | Methods for selecting entities on the screen in AutoCAD
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| Entity | The smallest predefined element in a drawing.
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| Selection Set | Allows you to group objects (entities) together for modification.
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| Window option | Selects entities completely inside the box.
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| Crossing option. | Selects entities inside the box as well as any it touches.
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| Remove option | Changes from Select Objects to Remove Objects
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| Add option | Changes Remove Objects back to Select Objects.
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| Last option | Selects the last entity you created.
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| Previous option | Selects the previous selection set.
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| Fence option | Draws a series of lines that selects any objects the line touches.
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| Crossing Polygon option | Similar to a crossing box, but allows you to create an irregular polygon.
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| Crossing Window option | Similar to Window, but allows you to create an irregular poly window around objects to be selected.
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| All option | Selects all entities within the drawing. (Unless they are locked or frozen)
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| Undo option | Removes inadvertently selected entities.
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| Zoom All | Displays the whole drawing to the drawing limits.
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| Zoom Center | Uses a center point and new height to zoom.
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| Zoom Dynamic | Uses a display box and Pan to move around the drawing. (Useful with large drawings)
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| Zoom Extents | Displays the largest image possible in the drawing area.
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| Zoom Previous | Restores the displayed view prior to the current one. Only the last 10 views can be recalled.
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| Zoom Scale | Uses a magnification number to zoom in or out.
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| Zoom Window | Enlarges the area that the box is defined around.
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| Zoom Realtime | provides for an interactive zooming capability. (Scroll button on the mouse can be used for this feature)
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| Aerial View | Zooming tool that displays the drawing in a separate window so you can quickly move to that area.
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| PAN | Allows you to quickly move around a drawing without changing the zoom value.
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| Transparent Zoom | Allows you to zoom without affecting the current command.
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| VIEWRES | Sets the resolution for object generation in the current viewport. (Our setting = 2000)
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| 3 Terms that define the nature of a Sketch. | Temporary, Permanent, & Presentation.
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| Sketching | Provides for a quick method to share ideas effectively.
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| OOPS command | Restores the previously erased object.
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| UNDO command | Reverse the previous command(s).
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| REDO command | reverses the previous Undo command.
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| Permanent Sketch | Maintained as part of a company's records.
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| Temporary Sketch | Used once and discarded.
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| Point, Line, Plane, and Texture. | 4 basic visual symbols used in sketching.
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| Isometric & Oblique | 2 basic types of Pictorial Sketches.
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| Types of entities in AutoCAD | Lines, Arcs, Circles, Dimensions, Text, Blocks, Points, Shapes, & Solids.
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| Verb/Noun Selection Technique | Traditional method of selecting objects. Select a command, then select objects.
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| Noun/Verb Selection Technique | Utilizes Grips to reverse this process. Selects entities first, then applies the command.
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| Guidelines | Used to keep Lettering straight.
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| Presentation Sketch | A refined pictorial sketch used to convince a client of a design idea.
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| Alphabet of Lines | various linetypes & thicknesses used to identify lines in a Technical Drawing
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| Borderline | Heaviest Line. Identifies the outer edge of the sheet or limits.
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| Object Lines | 1/2 as thick as border. Identifies the actual object being drawn.
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| Hidden Lines | Identifies the parts of a drawing that cannot be seen in a particular view.
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| Dimension Lines | Terminates with arrowheads at the end identifying the linear length.
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| Extension Lines | Same weight as the dimension line. Indicate the beginning and end of a dimension.
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| Centerlines | Indicates the centers of round objects or the symmetrical axis of an object.
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| Lasso | Holding the pick button on your mouse will allow you to create irregular shaped curves around objects to be selected.
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