Training Material Basic Course - Align -
July, 2010 Copyright © INUS Technology, Inc. All rights reserved
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1. Overview 1.1 What does this exercise cover? Exercise 1 This exercise shows alignment using Ref. Plane that is extracted from mesh regions.
Exercise 2 You can select Ref. Geometries for alignment but you also can directly select necessary regions for alignment as discussed in this exercise.
Exercise 3 If you have CAD data and want to align scan data to CAD data, this exercise shows how to align them.
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2. Process 2.1 Exercise1 1
Import File Click Insert > Import and import the Align1.stl file.
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Hide Ref. Plane Hide Front, Top and Right plane from the Model Tree.
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Region Group Mode To enter Region Group mode, click the
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(Region Group) on the toolbar.
Auto Segment Auto Segment dialog tree automatically appears. Set options such as image left below and click the OK button.
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Edit Region Change the selection mode to paint brush model like the image below;
Click the regions.
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(Split) button on the toolbar. The gray region is divided into two
Exit Region Group Mode Click the
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from the bottom toolbar and paint the
button to exit Region Group mode.
Add Ref. Plane Click the (Ref. Plane) on the toolbar. Select (Filter Regions) icon from the bottom toolbar to select a region on the mesh data. Select the bottom region on the mesh data. Set Method to Extract in the Add Ref. Plane dialog tree.
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Click the OK button. Plane1 is created. 8
Add Ref. Plane In the same way above, extract Plane 2 and Plane 3.
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Interactive Setup Click the (Interactive Alignment) on the toolbar or Tools > Align > Interactive Alignment. Click the (Next Stage) button.
The window will be divided into two. 10 Select Entities Change Filter Selection to (Filter Ref. Geometries). Click the Plane button and select Plane1. Click the Vector button and select Plane3. Click the Position button and select Plane2. Click the OK button.
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Final Result Show default planes (Front, Top, and Right). The mesh will be aligned to the global coordinate such as the image below;
2.2 Exercise2 1 Import File Create a new document (Ctrl + N) and click Insert > Import and then import the Align2.stl file.
2 Auto Segment To enter Region Group mode, click the (Region Group) on the toolbar. Set options such as image left below and click the OK button.
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3 Edit Region Change Selection Filter to
(Filter Regions) from the bottom toolbar and select
the top region. Click the (Shrink) button 5 times to remove unnecessary boundary area. Exit Region Group mode.
4 Interactive Setup Click the (Interactive Alignment) on the toolbar or Tools > Align > Interactive Alignment. Click the (Next Stage) button. 5 Select Entities Change Selection Filter to (Filter Regions) from the bottom toolbar. Click the Plane and select the top flat region. Click the Vector and select the cylindrical region. Change Target to Origin. Click the OK button.
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6 Final Result The mesh data is aligned to the origin coordinate.
2.3 Exercise3 1 Import File Create a new document (Ctrl + N) and click Insert > Import and then import the Align1.stl and Align1.igs file together.
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2 Quick Alignment Select (Quick Fit) from the button toolbar or Tools > Align > Quick Fit. Click the Target Body button and select Imported Body1. Click the OK button.
Scan data is roughly aligned to the CAD data. 3 Best Fit Alignment After Quick Fit, automatically Best Fit dialog tree appears. Click the OK button. Scan data is precisely aligned to the CAD data.
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