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Intro to CAD Lesson4
Chapters 11-14 (Undo, Grid, Snap, and Zoom Commands)
| Terms/Commands | Definitions |
|---|---|
| GRID | Provides a visual means of referenceing distance and controls the spcaing. |
| SNAP | Snaps your crosshairs along an imaginary grid of dots and is useful when setting up your drawing. |
| Ortho | Forces lines to be vertical or horizontal |
| Undo | Allows you to reverse several commands and once, or set a mark to go back to. |
| U command | Backs up one command only. |
| Redo | Reverses the previous U or Undo command. |
| XLINE | creates lines of infinite length through a given point |
| RAY | creates lines from a specified point that extend infinitely in one direction. |
| Coordinate Display | provides updated coordinate information on the location of your crosshairs. |
| F6 | toggles the coordinate display on/off. |
| F7 | Toggles the Grid on/off. |
| F8 | Toggles Ortho on/off. |
| F9 | Toggles the Snap on/off. |
| TIME command | provides a timer to keep an accurate record of actual time spent on a drawing. |
| Zoom Commands | Make the objects on the screen appear larger or smaller. |
| Zoom Window | Allows the operator to place a box around a portion of the drawing and Zoom in on that area. |
| Zoom Previous | Restores the last zoomed area on your drawing up to 10. |
| PAN command | allows you to move around the zoomed area without changing the zoom value. |
| Zoom Realtime | Using the pointing device, zooms interactively to a logical extent. |
| Zoom All | Zooms to display yhe entire drawing, up to the limits. |
| Zoom Extents | Maximizes the drawing in screen area. |
| Named Views | Allows you to capture a view and restore it when needed. |
| Transparent Zoom | One that takes place while another command is in progress. |
| REGEN | The recalculation of each vector in the drawing. |
| VIEWRES command | Allows you to set the view resolution for arcs and circles. |
| Ariel View | A dialog box that shows the entire drawing while zoomed in on another area. |
| Orthographic Projection | Process used to create views at right angles to a projection plane. |
| Multiview drawing | Completely describes an object using 2 or more views. |