L02_1 - CAD Viewing and Coordinate System Commands GE101...

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    CAD Viewing and Coordinate  System Commands GE101 Engineering Graphics and  Design
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    CAD Command Categories Object (draw, modify) View Coordinate System
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    CAD Viewing Commands Control position from which an object is  viewed Viewer moves, not the object 2D viewing controls Pan Zoom 3D viewing controls Compose pictorial and orthographic views
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    Viewing in AutoCAD PAN Zoom 3DOrbit View Toolbar Others: VPoint, VIEW, PLAN, DView,  VPORTS
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    CAD Coordinate Systems Governed by the  Right Hand Rule Defines a  workplane Unique, default global coordinate system Many user-defined, local coordinate  systems
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    Right Hand Rule - 1 Thumb indicates the  positive x direction  Index finger indicates the  positive y direction  Middle finger indicates  the positive z direction  Palm of the right hand  represents the xy plane  Used to define the positive direction of the  axes of a three dimensional coordinate  system 
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  • Fall '05
  • Leake
  • Coordinate systems, 2006 films, Coordinate  System Commands, CAD Coordinate Systems, default global coordinate, local coordinate  systems

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