AutoCAD 2008 Essential Training
Illustration by Don Barnett

Explode


From:

AutoCAD 2008 Essential Training

with Jeff Bartels

Video: Explode

I must admit the Explode command isn't as exciting to you as it sounds. With a name like explode, you might expect to see something spectacular when you use it. I'm afraid this isn't the case. What the Explode command does is it converts our joint entities back into their individual components. Let's try using the Explode command. I'm going to come up and click my Open icon, and we have to look inside our Chapter 9 folder within the Exercise Files directory and I'm going to come down to drawing number 9, the Explode drawing. We'll click to highlight that drawing and then click Open.
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  1. 3m 27s
    1. Welcome
      1m 6s
    2. Introduction to AutoCAD
      1m 29s
    3. Using the exercise files
      52s
  2. 23m 16s
    1. Modelspace
      2m 21s
    2. Toolbars
      3m 24s
    3. Pulldowns
      3m 36s
    4. AutoCAD's command line
      1m 46s
    5. Dockable palettes
      3m 23s
    6. The Status bar
      2m 59s
    7. Saving your workspace
      2m 12s
    8. Essential settings
      3m 35s
  3. 19m 8s
    1. Opening an AutoCAD drawing
      3m 1s
    2. Mouse functions
      2m 2s
    3. Zooming, panning, and regen
      5m 11s
    4. The multiple-document environment
      3m 24s
    5. Saving your work
      2m 34s
    6. Using templates
      2m 56s
  4. 16m 37s
    1. The Line command
      3m 17s
    2. ORTHO and POLAR modes
      5m 45s
    3. The Circle command
      3m 27s
    4. The Heads-Up display
      4m 8s
  5. 15m 51s
    1. Defining units of measure
      6m 13s
    2. Drafting with architectural units
      5m 1s
    3. Drafting with metric units
      4m 37s
  6. 20m 52s
    1. Cartesian coordinates
      5m 50s
    2. Object snaps
      10m 27s
    3. Automating object snaps
      4m 35s
  7. 23m 33s
    1. Rectangle
      4m 22s
    2. Ellipse
      6m 0s
    3. Hatch
      8m 34s
    4. Polygon
      4m 37s
  8. 23m 28s
    1. Move and Copy
      6m 45s
    2. Rotate
      5m 6s
    3. Offset
      6m 1s
    4. Erase
      2m 6s
    5. Undo and Redo
      3m 30s
  9. 12m 38s
    1. Windows and crossing windows
      4m 49s
    2. Removing from selections
      3m 44s
    3. Using key-ins
      4m 5s
  10. 1h 4m
    1. Trim and Extend
      6m 55s
    2. Fillet
      5m 3s
    3. Chamfer
      6m 36s
    4. Array
      8m 2s
    5. Mirror
      6m 54s
    6. Stretch
      5m 51s
    7. Scale
      5m 19s
    8. Grips
      7m 37s
    9. Explode
      4m 17s
    10. Polyline edit
      7m 48s
  11. 26m 8s
    1. Layers
      3m 32s
    2. The Layer Properties Manager
      9m 8s
    3. Layer control
      4m 30s
    4. The ByLayer property
      5m 27s
    5. The Layer Previous command
      3m 31s
  12. 43m 16s
    1. Single-line text
      3m 47s
    2. Text justification
      7m 3s
    3. Text styles
      7m 31s
    4. Multi-line text
      6m 30s
    5. Editing
      3m 24s
    6. Bulleted and numbered lists
      4m 7s
    7. Symbols
      6m 19s
    8. Spell-checking
      4m 35s
  13. 29m 0s
    1. Creating dimensions
      8m 36s
    2. Dimension styles
      6m 39s
    3. Callouts
      6m 42s
    4. Tweaking dimensions
      7m 3s
  14. 14m 53s
    1. The Distance command
      4m 17s
    2. The Property Changer
      6m 31s
    3. The Quick Calculator
      4m 5s
  15. 25m 10s
    1. Creating and inserting blocks
      10m 16s
    2. Using blocks
      5m 47s
    3. Modifying blocks
      4m 8s
    4. Building your library
      4m 59s
  16. 48m 45s
    1. Quick plots
      6m 42s
    2. Selecting a pen table
      5m 37s
    3. Layouts pt. 1: Choosing paper
      3m 23s
    4. Layouts pt. 2: Inserting a title block
      3m 13s
    5. Layouts pt. 3: Cutting a viewport
      6m 18s
    6. Layouts pt. 4: Reusing layouts
      4m 16s
    7. Scale factors
      4m 0s
    8. Sizing modelspace text
      7m 17s
    9. Sizing modelspace dimensions
      4m 48s
    10. Sizing linetypes
      3m 11s
  17. 10m 1s
    1. Drawing compatibility
      3m 5s
    2. E-transmitting
      3m 12s
    3. Saving to the Design Web format
      3m 44s
  18. 20s
    1. Goodbye
      20s

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Watch the Online Video Course AutoCAD 2008 Essential Training
6h 58m Beginner May 13, 2008

Viewers: in countries Watching now:

AutoCAD is a computer-aided drafting and design program that is the industry standard for a wide variety of 2D and 3D work. AutoCAD 2008 features several improvements over previous versions, but the core functionality and workflows have remained consistent for years. Users who have any of the more recent editions of the software will find AutoCAD 2008 Essential Training to be a valuable resource. Instructor Jeff Bartels has taught and used AutoCAD for a decade, and in this course he focuses on the difficult to master concepts that matter most to professional AutoCAD users. Exercise files accompany the course.

Topics include:
  • Opening, viewing, saving, and sharing drawings
  • Customizing the workspace
  • Mastering drawing fundamentals and specialized commands
  • Defining units of measure and controlling accuracy
  • Making primary modifications and major changes to a drawing
  • Organizing layers and reusable content
  • Annotating and dimensioning
  • Plotting with layouts
  • Sizing linetypes, modelspace text, and dimensions for a plot
Subject:
CAD
Software:
AutoCAD
Author:
Jeff Bartels

Explode

I must admit the Explode command isn't as exciting to you as it sounds. With a name like explode, you might expect to see something spectacular when you use it. I'm afraid this isn't the case. What the Explode command does is it converts our joint entities back into their individual components. Let's try using the Explode command. I'm going to come up and click my Open icon, and we have to look inside our Chapter 9 folder within the Exercise Files directory and I'm going to come down to drawing number 9, the Explode drawing. We'll click to highlight that drawing and then click Open.

Now, I have got some abstract geometry on my screen. We are going to use this to learn how the Explode command works. If we look at the left side, I can see a hexagon. I drew this hexagon using the Polygon command. And if I click the edge of the hexagon, I can see that AutoCAD is looking at this guy as one piece or one entity. Technically speaking, AutoCAD views this is as a poly line or a multi-segmented line. Let me hit my Escape key to clear the grips. Let's look at the geometry on the right. If I click on this rectangle, which was drawn using the Rectangle command, AutoCAD also views this line work as a single piece.

Likewise, if I click the hatch, AutoCAD is seeing that guy as a single object as well. Let me hit Escape to clear the grips. Let's use the Explode command to explode our hexagon. To use the Explode command, I'm going to move over to my Modify toolbar and I'm going to click on the Explode icon, probably the best looking icon we have on AutoCAD. I will click that to launch and then AutoCAD asks me select objects. I'm going to move my cursor up and click on my hexagon to highlight it and then I will right-click to finish the selection.

That hexagon has been exploded. When I try and click on these entities, I can see that each piece is now an individual line segment. Let me hit Escape to clear the grips. We are going to launch the Explode command one more time and we will explode this geometry on the right. Let me come over and click the Explode. AutoCAD is asking me to select objects. This time, I'm going to select the Hatch and I'm going to select the Rectangle. Now that I'm done with my selection, I will right-click so that AutoCAD knows I'm done and those guys have been exploded.

Each side of my rectangle is now an individual entity as well as my hatch. Be careful using the Explode command around your hatch. It's always better to have your hatch seen as an individual object than a bunch of disjointed entities. Let me hit Escape to clear the grips because you may be wondering why would we want to use the Explode command. Let's try and use the Explode command in a practical example. I'm going to back up. We will pan over. Let's say I'm designing a five-panel door. Now, I have created the outline of this door using the Rectangle command and if I click on this, I can see it's all trigged as one object.

Now, I would like to offset my line work to create my panels. Unfortunately, if I try and offset my vertical lines over, they are not going to offset correctly because AutoCAD is going to try and offset this entire rectangle. What I'm going to do is I'm going to explode the rectangle and that will allow me to offset my lines individually. Let me hit Escape to clear the grips. We will come down and we will click our Explode icon and then, we will select the rectangle. When I right-click to finish the selection, that rectangle has been exploded.

This guy is now individual pieces and it's very easy for me to offset. I'm going to hit Escape once again to clear the grips. We will pan over through the miracle of time lapse photography. You can see the first offsets that I have created. I have offset my vertical lines over. Then, I offset my horizontal lines up and down to define the shapes of my panels. And then lastly, I have cleaned up my geometry by using the Trim command. Exploding my original rectangle made it possible for me to create the offsets that define these panels.

If you need to convert an object back into individual parts, use the Explode command. Well, it may not be spectacular to watch, it does get the job done. Now that we have seen how to explode our entities into individual components, in the next session, we are going to learn how to join our entities back together using the P-edit Command.

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