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  • Ellipsis is the official blog of Autodesk's Technical Evangelist Team. We will discuss all things design and manufacturing related with a focus on industries such as automotive and transportation, consumer products, industrial machinery and building product manufacturing and fabrication. We also have resident experts who will blog about specific product developments in CAD, Simulation, Industrial Design and Data Management.

    We look forward to providing you, our user community, with the most relevant and up to date developments in our industry, and hopefully with information that will assist you in doing your job better, faster, and more precisely.

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  • Positional Representations...
    July 25, 2008 08:11 PMby Jay Tedeschi

    Positional Representations… what do you use them for? I found myself in a jam recently because I needed an exploded assembly, but needed it for some really high quality renderings, so I wanted to use Inventor Studio. 
     
    The problem becomes how exactly to construct an exploded assembly when you are unable to use a Presentation File. The answer, obviously, is to use a positional rep. So… first things first, I have created a New Positional Representation and named it “Inventor Studio”. As you can see from the image below, I have also created a View Representation named the same thing and locked it, once I have the desired view and perspective angle set. More on this trick in a moment.
     
    In any case, once the new positional rep is active I now simply override the constraints for the components I wish to move. This is accessed from the right click menu for any constraint other than an iMate, again, see the image below.
     
    Granted, it is not as easy as using the Presentation File environment, and it is nowhere close to being as easy as Showcase, however there are some advantages. With this assembly that certainly was the case… the array of fasteners that held the valve cover on were all constrained together, so once I change the distance value for the first instance, they all moved simultaneously. Nice!
    Now, remember I said that there was an advantage to having a locked view rep? Well, once you are in the Inventor Studio environment, you can set a camera from a current view… which is exactly what I do now. 
     
    And if anything ever happens to change the camera view, we can always restore our locked view rep and then restore a new camera configuration from that view. And now, just a bit of Inventor Studio eye candy and we're done.
     
    Well, that’s it for today. Hope this was informative and hope everyone has a great weekend.

    2 Comments | Add CommentIn Ellipsis > Inventor 2008, Images, Tips

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