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Purpose
The purpose of the Autodesk Inventorä Design Support System (DSS) is to support mechanical engineers and designers/drafters in creating parts, assemblies and drawings while using a new 3D solid-modeling CAD system. The DSS is an integrated HTML-based performance support system that offers users embedded/interactive information, wizards, animations, and a sophisticated error recovery system, all designed to enhance performance by shorten the time required to learn the software.
Prior State
Current 3D CAD systems offer anything from basic user manuals and WinHelp systems to game-like tutorials. Most users find this type of support inadequate for learning a complex 3D CAD system and either look for class training or learn the system by trial and error (many cannot easily absorb the expense and lost productivity that comes with classes).
On average, the time spent for even experienced users to learn/re-learn most mechanical modeling programs is approximately 4-5 days of classroom instruction, not including additional hours of learning on and off-the-job.
User Profile
The target user for Autodesk Inventor user is characterized as:
Users are further defined as:
Solution
(NOTE: Autodesk Inventor is a new 3D CAD product that is scheduled for release in the fall of 1999. Results as noted are based upon user testing and Alpha/Beta customer feedback.)
Design
. The DSS was designed for users that think and work in a graphical, 3D environment. Information is task/solution-based but presented in a uniquely visual manner that is compelling to use. Further, DSS information is contextual and interactive, allowing users to operate the product from within certain DSS modules. Information can be acquired on demand and sequentially (as in steps leading to a result), or randomly ("bits" of detail or instruction).Construction. DSS components are engineered with current web-based technologies, including:
- HTML 4.0, JavaScript, ActiveX and DHTML controls and objects (using Microsoft IE 4.0 and 5.0 browser components).
- Compiled HTML Workshop files that can be upgraded over the web (independent of releases)
- COM automation layer for command control and data exchange between DSS and Inventor.
- "Intelligent" new error handling architecture (built in C++/MFC) and recovery system (patent-pending)
Design Support System Components
Quickstart/Getting Started Dialogue
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Purpose |
Helps you (first time user) get started with the application |
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When Used |
First time into the application |
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Options |
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Result |
Users who wanted support before attempting to model were able quickly navigate to DSS modules based on choice (i.e., I want to see a demo first, use the coach to build my first model, etc.) |
Online Help
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Purpose |
Provides concept, reference, or procedural instructions in context, on demand. |
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When Used |
Whenever you want:
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Options |
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Result |
Users were able to find relevant information with one click. The custom navigation bar, liberal use of images/animations, and ability to execute a command from within a help topic won praise from users as "the best help I’ve ever used in any system". |
What’s New
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Purpose |
Helps you identify the new features, functions of the current release |
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When Used |
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Options |
For each functional area of the product click to see the associated (new) features. Each area includes:
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Results |
What’s New was a particular favorite of expert users already familiar with other 3D systems. They used this to quickly see "what’s different" about Inventor. |
DesignProfä (patent pending)
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Purpose |
Demonstrate and coach you through building your own model(s) using the product. |
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When Used |
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Options |
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Result |
Effective with early users because it allowed them to build what they wanted, but do it without prior knowledge of the tool. In one instance, an Autodesk executive’s 8 year old son – without assistance- sat down and successfully modeled a basic part using DesignProf. |
Visual Syllabusä
(patent pending)
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Purpose |
One-click access to modeling and drawing operations. |
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When Used |
Whenever you need to know how to perform a particular operation. |
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Options |
Click on any icon to display the relevant instruction. |
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Result |
To date, Visual Syllabus is the star of the DSS: users like and use this component more than any other. Feedback was that it was small (so that it didn’t obscure their model), visually appealing, and fun to use. |
Design Doctorä (patent pending)
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Purpose |
Allows you to identify, diagnose, and treat (fix) modeling failures. Design Doctor only appears when a failure occurs. Error messages display with a red cross, which you then click on to activate the Doctor. NOTE: Typically one of the most difficult operations in parametric 3D modeling programs. |
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When Used |
Whenever you experience a modeling failure. |
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Options |
Highlight the problem, then select a treatment from a recommended list. |
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Result |
Users say this is unlike anything they have ever seen in any CAD system. Several expert users reported that the Doctor found obscure errors that stopped a model from computing, allowing them to fix it in a matter of minutes (in some cases the same failure would have taken up to an hour to find, diagnose, and fix). |
Autodesk Online
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Purpose |
Allows access to additional training, support, and product information. |
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When Used |
Whenever you want to update your DSS system, look for answers to questions, get online support, look for additional product information. |
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Options |
Anything that is available and relevant on the ADSK (or other) web sites. |
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Result |
User feedback at this time is unavailable, as the Inventor website is under construction. |
How-To Help
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Purpose |
Provides support while still in a command. |
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When Used |
Whenever you’re uncertain as to what to do next (for the command you’ve chosen). |
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Options |
Read relevant instruction or see a "Show Me" animation that demonstrates the operation. |
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Result |
Next to the Visual Syllabus, Show Me animations were found to be the most used and helpful. People liked the small, quick examples that demonstrated the operation, vs. text attempting to explain how it’s done. |
Overall Results
Dave Ford
PSS Development Manager
Autodesk, Inc., Mechanical Market Group
7995 SW Mohawk, Southcenter Building A
Tualatin, OR 97062
Ph: 503.692.8331/fax: 503.692.1630
dave.ford@autodesk.com