Difference between revisions of "Man Align"

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{{DISPLAYTITLE:Alignment}}
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{{DISPLAYTITLE:Alignment|noerror}}
 
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=Alignment= <!--T:9-->
 
=Alignment= <!--T:9-->
  
 
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When you acquire more than one object from the scanner they will be in different positions. To correctly work with the scanner data you need to bring all the Acquisition to the same position reference.   
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When more than one object is acquired by the scanner, the position of each item is unrelated to the position of the others. In order to correctly work with the scanned data, all the Acquisitions need to be located in the same reference system.   
  
 
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For this you first need to identify an Acquisition that will be used as a reference for all the others. In the '''Structured Projects''' this is done automatically by the software.  
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Firstly, the user has to identify an Acquisition that will be used as reference for all the others. In the '''Structured Projects''', the software automatically carries out this procedure.  
  
 
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Then every time you acquire a new information you need to ''align'' the new data to the '''Reference Acquisition''' or to '''another acquisition already aligned at the rest of the project'''
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Every time a new information is acquired, it is necessary to ''align'' the new data to the '''Reference Acquisition''' or to '''another acquisition already aligned to the rest of the project'''
  
 
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Every acquired information will have a specific '''Reference Acquisition'''. The ''Project Tree'' will show this relation, every child will be aligned to his parent node in the tree.
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Every acquired information will have a specific '''Reference Acquisition'''. The ''Project Tree'' will show this relation, every child will be aligned to its parent node in the tree.
  
 
= Direct Alignment = <!--T:4-->
 
= Direct Alignment = <!--T:4-->
  
 
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OpticalRevEng Dental can align the Acquisitions for you. You just need to:
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OpticalRevEng Dental can automatically align the Acquisitions:
  
 
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# Select from the Project Tree the element you want to align to the rest of the project
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# Select from the Project Tree the element that has to be aligned to the rest of the project
 
# Click the ''Alignment Button'' in the [[Main_Toolbar|Main Toolbar]]
 
# Click the ''Alignment Button'' in the [[Main_Toolbar|Main Toolbar]]
  
 
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The software will select the most appropriate reference item, analyze the selcted acquisition and the reference item, and try to identify the correct position of the selected item inside the reference item. <br/>
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The software will choose the reference, it will analyze the selected acquisition and the reference and it will identify the correct position of the selected item with respect to the reference. <br/>
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If no alignment can be identified by the software then a '''Manual Alignment''' will start.
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If no alignment can be identified by the software, a '''Manual Alignment''' will start.
  
 
= Manual Alignment = <!--T:14-->
 
= Manual Alignment = <!--T:14-->
  
 
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The manual alignment is started every time the software can not complete a '''Direct Alignment''' or if you keep down the SHIFT button when you click  the ''Alignment Button'' in the [[Main_Toolbar|Main Toolbar]]
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The manual alignment starts every time the software can not perform a '''Direct Alignment'''. The user can also acceed this tool by holding {{Inline button|Key shift.png}} when clicking the ''Alignment Button'' in the [[Main_Toolbar|Main Toolbar]]
  
 
== Interface == <!--T:16-->
 
== Interface == <!--T:16-->
  
 
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During the manual alignment the interface will change.
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The picture here below shows the interface of the manual alignment:
  
 
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[[File:Dental_2_5_manualAlignment.jpg|upright|center]]
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{{Screenshot|Dental_2_5_manualAlignment.jpg}}
  
 
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You can see 4 different zones of this screen:
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There are 4 different areas in this screen:
  
 
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* On the '''top left''' you can see the ''reference object'' that give you the position reference for all the proejct data
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* On the '''top left''' is displayed the ''reference object'', which gives the reference position for all the project data
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* On the '''top right''' you can see the ''moving object'' that we want to move from his currant position to bring it in the same reference of all the other project data
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* On the '''top right''' is shown the ''moving object'', that has to be moved from its current position and placed in the same reference system of all the other project data
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* On the '''bottom''' you can see ''both the objects'' togheter to check the current positions of the moving object
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* On the '''bottom''' are displayed both objects, so that the user can check the current position of the moving object
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* On the '''bottom right''' you have some options and a ''Numeric Report''
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* On the '''bottom right''' some options and a ''Numeric Report'' are available
  
 
== Procedure == <!--T:21-->
 
== Procedure == <!--T:21-->
  
 
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What you have to do now is:
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To manually align the elements:
  
 
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# Rotate both the reference object and the moving object in a way that you can see some common part between the two object from the same point of view
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# Place both the reference object and the moving object in the same point of view, until the parts in common are visible
 
# Click on the same point on both the objects
 
# Click on the same point on both the objects
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# Check on the bottom 3D view that the position is more or less correct (It's not needed to be in the perfect position now)
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# Check in the 3D view below, if the position is more or less correct (it's not necessary, at this stage, to find the perfect position)
 
# Click the '''Best Fit''' button on the right
 
# Click the '''Best Fit''' button on the right
  
 
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<!--T:24-->
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If the two object have enough common points the software will find the best alignment between the two. You can check this alignment visually on the bottom 3D View or reading the values in the Numeric Report.   
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If the two objects have enough points in common, the software will find the best alignment between them. Visually check the alignment on the bottom 3D View or by reading the values in the Numeric Report.   
  
 
<!--T:5-->
 
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If the alignment is good you can click '''Ok''' to confirm the new position of the ''moving object''.
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If the alignment is correct, click '''Ok''' to confirm the new position of the ''moving object''.
  
 
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If the alignment is not good enough you can click the '''Reset''' button and start the alignment again.
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Otherwise, click the '''Reset''' button and restart the alignment.
  
 
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<!--T:25-->
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[[File:Dental_2_5_manualAlignmentAnim.gif|center]]
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[[File:Dental_2_5_manualAlignmentAnim.gif]]
  
 
== Options == <!--T:7-->
 
== Options == <!--T:7-->
  
 
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There are two options availables during the manual aligment:
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There are two options available during the manual aligment:
  
 
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# '''Fine Alignment''' : When you click ''Best Fit'' the software will try to move the moving object up to 1mm to find a bettere alignment. This can create problems if the common part between the two objects is really small. With '''Fine Aligment''' enabled the software will move the moving object not more than 0.1mm
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# '''Fine Alignment''' : usually ''Best Fit'' moves the object up to 1mm closer to the reference. If the parts in common between the two objects are really small ,use '''Fine Aligment''' to move the object not more than 0.1mm closer to the reference
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# '''Ignore Normals''' : The objects have an inside and an outside. When the software search for an alignment it refuse to align the inside of one object with the outouside of the other. If you want to ignore the differences between inside and outside you can check the '''Ingore Normals''' option
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# '''Ignore Normals''' : allows the user to align the internal part of an object to the external part of another, and viceversa.
  
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=Next= <!--T:8-->
 
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Now that you know how to align an object to the rest of the project you can return to the [[Main_Page|Main Page]] or continue to the [[Man_MeshGen|Mesh Generation]] page
 
 
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{{Navigation|Man_DataEditing|Man_MeshGen}}

Latest revision as of 13:31, 6 October 2015


Alignment

When more than one object is acquired by the scanner, the position of each item is unrelated to the position of the others. In order to correctly work with the scanned data, all the Acquisitions need to be located in the same reference system.

Firstly, the user has to identify an Acquisition that will be used as reference for all the others. In the Structured Projects, the software automatically carries out this procedure.

Every time a new information is acquired, it is necessary to align the new data to the Reference Acquisition or to another acquisition already aligned to the rest of the project

Every acquired information will have a specific Reference Acquisition. The Project Tree will show this relation, every child will be aligned to its parent node in the tree.

Direct Alignment

OpticalRevEng Dental can automatically align the Acquisitions:

  1. Select from the Project Tree the element that has to be aligned to the rest of the project
  2. Click the Alignment Button in the Main Toolbar

The software will choose the reference, it will analyze the selected acquisition and the reference and it will identify the correct position of the selected item with respect to the reference.
If no alignment can be identified by the software, a Manual Alignment will start.

Manual Alignment

The manual alignment starts every time the software can not perform a Direct Alignment. The user can also acceed this tool by holding Key shift.png when clicking the Alignment Button in the Main Toolbar

Interface

The picture here below shows the interface of the manual alignment:

Dental 2 5 manualAlignment.jpg

There are 4 different areas in this screen:

  • On the top left is displayed the reference object, which gives the reference position for all the project data
  • On the top right is shown the moving object, that has to be moved from its current position and placed in the same reference system of all the other project data
  • On the bottom are displayed both objects, so that the user can check the current position of the moving object
  • On the bottom right some options and a Numeric Report are available

Procedure

To manually align the elements:

  1. Place both the reference object and the moving object in the same point of view, until the parts in common are visible
  2. Click on the same point on both the objects
  3. Check in the 3D view below, if the position is more or less correct (it's not necessary, at this stage, to find the perfect position)
  4. Click the Best Fit button on the right

If the two objects have enough points in common, the software will find the best alignment between them. Visually check the alignment on the bottom 3D View or by reading the values in the Numeric Report.

If the alignment is correct, click Ok to confirm the new position of the moving object.

Otherwise, click the Reset button and restart the alignment.

Dental 2 5 manualAlignmentAnim.gif

Options

There are two options available during the manual aligment:

  1. Fine Alignment : usually Best Fit moves the object up to 1mm closer to the reference. If the parts in common between the two objects are really small ,use Fine Aligment to move the object not more than 0.1mm closer to the reference
  2. Ignore Normals : allows the user to align the internal part of an object to the external part of another, and viceversa.
Dental 2 5 wiz prev.png Homebutton.png Dental 2 5 wiz next.png
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