PDS:Swap Segment Tool

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Use this command to swap an Internal Contour segment with a Contour segment.

Contents

[edit] Icon & Location

[edit] Video Example 1

[edit] Video Example 2

[edit] Operation

  1. Click on the first point of the contour segment.
  2. Click on the last point of the contour segment.
  3. Click on the first point of the internal contour.
  4. Click on the last point of the internal contour.
  5. The Swap Segments of Contours dialog box is displayed. Select the desired parameters and click OK.

Note: If the internal contour is made up of several internal contours, make sure they are all joined together.

[edit] Substitute

1. The internal contour is marked in red
1. The internal contour is marked in red
2. Click on the first point of the contour
2. Click on the first point of the contour
3. ...and on the last point of the contour (clock-wise)
3. ...and on the last point of the contour (clock-wise)
4. Click on the first point of the internal contour
4. Click on the first point of the internal contour
5. ...and on the last point of the internal contour
5. ...and on the last point of the internal contour
6. Both contours are substituted
6. Both contours are substituted

[edit] Extrapolation

Extends the internal contour segment and the contour segment by their tangents, up to the intersection point.

7. Original
7. Original
8. First point extrapolated
8. First point extrapolated
9. Last point extrapolated
9. Last point extrapolated
10. Both points extrapolated
10. Both points extrapolated
11. Result after swapping the extrapolated segments
11. Result after swapping the extrapolated segments

[edit] Choose Swap Segments

Allows you to change the start and end point of the contour and internal contour.

12.
12.

[edit] Video Example

Learn how and why to use the Choose Swap Segments option
Download the Movie (1.1 MB/ 1:20 min)
Double Click on screen to Maximize

[edit] Point

Determines which point will change when using the shift point buttons.

[edit] Shift Point

Shifts the selected point in a clockwise or counter-clockwise direction.

13. Original
13. Original
14. Contour segment – First point
14. Contour segment – First point
15. Contour segment – Last point
15. Contour segment – Last point
16. Internal contour – First point
16. Internal contour – First point

17. Internal contour – Last point
17. Internal contour – Last point
18. After shifting the last internal contour point, part of the internal contour was swapped for the contour, and part remained as the internal contour
18. After shifting the last internal contour point, part of the internal contour was swapped for the contour, and part remained as the internal contour

[edit] Show Method

Sets the method by which the swapped segment is shown. 'Result' is the default and it is usually the more convenient.

19. 'Result'
19. 'Result'
20. 'Segments'
20. 'Segments'


[edit] Related Subjects

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