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Tuesday, March 05, 2013

Bring Autodesk Inventor's Positional Representation into Autodesk Showcase

“Affliction is enamoured of thy parts, and thou art wedded to calamity.”
William Shakespeare

When designing, there are times that alternate positions for components must be shown to ensure the design will perform as intended. 

This might be an arm extended and retracted, or a door or drawer opened, and closed.

There are also times those alternate positions need to be shown in a rendered view to properly convey the design intent outside of the design product. 

When using Autodesk Inventor, Positional Representations are used to accomplish this task in design.  For example, here I'm showing a coffee table with  drawer open, and drawer closed positional representation. (For instructions on how to create a positional representation, check out my previous post here)

A positional representation showing a drawer closed

Autodesk Showcase uses Alternatives to create alternate positions for the renderings.  Here is the same table shown with alternatives in Showcase

The model is imported and ready with the drawer closed
The alternative with the drawer open is already created.
While each product can work independently and create their own distinct representations of the components, there's no reason to recreate work twice.  What if what I want to do is reuse the representations in Inventor, and use them to create alternatives for Showcase?

Fortunately, Inventor and Showcase has a "Suite Workflow" that allows the representations created in Inventor, to create alternatives in Showcase.

I'm going to begin with  my coffee table open in inventor, then I'll  click on the Application Icon (The big "I"), I choose the "Suite Workflows", then choose, "Showcase Realistic Presentation".

Starting the representation

A dialog box appears that describes what this setting will do.  I'm going to choose the "Settings" button to make changes to how the model appears on import.

Selecting the settings for import
Here the settings for import can be set, such as the conversion settings (the density of the facets making up the Showcase models), Visual Style, and Lighting Style can be set.  Most of these can also be set in the Showcase scene, so I take defaults for most with one exception.

I do like to set the "Environment... Plane Level" setting to "At bottom of the model".  While your settings may vary, this setting is works best for the models that I create.

Workflow Settings

Now I go ahead and click "Run".

Pulling the trigger and running!

The model will process, and will open in Showcase.  Both alternatives are created by the positional representations

Now all I have to do is apply the desired materials and lights in Showcase, and finish creating my model in Showcase. No recreation of the drawer open, or drawer closed.  Just use what Inventor provided to Showcase!

A quick rendering in Showcase with the drawer close
The same scene with the drawer open via the alternative.

And to see the steps in a video format, just take a look below!

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