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ACH 245 Lecture 04 (Modifying 2010)
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ACH 245 Lecture 04 (Modifying 2010)

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ACH 245 Lecture 04 (Modifying 2010) ACH 245 Lecture 04 (Modifying 2010) Presentation Transcript

  • ACH 245 Computer Applications for Design
    • Lecture 4-
    • Organizing and Modifying a Drawing
      • The Basics of Layers
        • Layer Commands
        • Creating Layers
        • Linetype Scale
      • Modify Commands
  • The Basics of Layers
    • Layers
      • Created by user to organize drawn objects
      • User may make as many layers as desired
      • Layers have a color, set by the user, for identification
      • Layers have a specified Line type
      • Common layers to create are Doors, Windows, Walls, Grid
  • The Basics of Layers
    • To Create a Layer
      • From the Layers toolbar select the Layer Properties Manger Dialogue icon
  • The Basics of Layers
    • To Create a Layer
      • Select the New Button
  • The Basics of Layers
    • To Create a Layer
      • A highlighted NEW layer will appear
      • The user then types in the new layer name
    Once a new name is typed, Enter will allow the next layer to be created
  • The Basics of Layers
    • To Create a Layer
      • Now the layer’s properties can be set
      • The user can specify a layer’s color, linetype, state and other properties
  • The Basics of Layers
    • To Set Layer Colors
      • Touch in the color box , next to the name of the color for a layer
      • Select a color from the index and select OK
      • Color helps a user determine what layer they are drawing on
  • The Basics of Layers
    • To Set Layer Linetype
      • Touch the Linetype name
      • The default will be Continuous
      • A dialogue box will appear with all the Loaded linetypes
      • Select Load to add more to this box
  • The Basics of Layers
    • To Set Layer Linetype
      • Scroll to find the linetype you need
      • Select it to highlight it and hit OK
    Common linetypes for designers are continuous, dashed and center line
  • The Basics of Layers
    • Line Type Scale
      • Lines that composed of segments have a factor that controls spacing
      • To help see dashes we can magnify the line with a scale factor
      • Type in LTSCALE at the command prompt
      • Select Enter and a new value
    Ltscale of 1 Ltscale of 12 Ltscale of 48
  • The Basics of Layers
    • Controlling Layers
      • Once layers are created they can be selected and manipulated from the Layers toolbar
      • The layer that is being drawn on is in the window
      • To change the layer use the arrow to the right and scroll to a new one
  • The Basics of Layers
    • Changing an Object’s Layer
      • Touch any drawn object
      • Its current layer will appear in the Layers toolbar window
      • Select a new layer, it will appear in the window
      • Click inside the drawing area
  • The Basics of Layers
    • Turning a Layer On/Off
      • To turn a layer off select the light bulb in the window
      • The light bulb turns gray and the layer no longer shows on the screen
      • Make sure the layer you are drawing on is always turned on
  • Modify Commands
    • Offset
      • Copies an object and places it a specified distance and direction from the original
      • Select Icon from the Modify toolbar
      • Type in Offset or O at the command prompt
      • Select object to offset and hit enter
      • Specify distance hit enter
      • Click on the side to offset and hit enter
  • Modify Commands
    • Trim/Extend
      • Trim or extend a line to a specified perpendicular boundary
      • Select object to trim/extend hit enter
      • Specify boundary hit enter
      • Select section to trim or extend
      • Look at the command prompt to make sure you are entering information in the right order
    Trim Extend
  • Modify Commands
    • Trimming
      • Select the trim icon or type Trim or TR at the command prompt
      • Select the rectangle to trim
      • Select the vertical line as a boundary
      • Pick the right side to be trimmed
      • Make sure you hit enter to end the command
  • Modify Commands
    • Extending
      • Select the line to extend
      • Select the vertical line as a boundary
      • Pick end of line to extend
      • Make sure you hit enter to end the command
  • Modify Commands
    • Fillet
      • Intended to curve corner
      • With no radius set it will force to lines to close (radius = 0)
      • Select the fillet icon or type in Fillet at the command prompt
      • Select lines one and two and hit enter
      • Hit enter to end the command
  • Modify Commands
    • Chamfer
      • Intended to 45 º a corner
      • With no radius set it will force to lines to close (radius = 0)
      • Select the chamfer icon or type in Chamfer at the command prompt
      • Select lines one and two and hit enter
      • Hit enter to end the command
  • NEXT LECTURE
    • Lecture 5
    • Basics of Plotting
      • Understanding Model Space and Paper Space
      • Creating Layout Tabs
      • Viewports