Contouring Examples - PowerPoint PPT Presentation

1 / 21
About This Presentation
Title:

Contouring Examples

Description:

Surface fitting contouring. Surface fitting 'under tension' contouring. Example. Example ... 10 ft. contours) Spline (surface, Tension = 0, 20 ft. contours) ... – PowerPoint PPT presentation

Number of Views:60
Avg rating:3.0/5.0
Slides: 22
Provided by: DaveD1
Category:

less

Transcript and Presenter's Notes

Title: Contouring Examples


1
(No Transcript)
2
(No Transcript)
3
Contouring Examples
  • Start with imaginary landscape, then select 40
    points at random off it
  • Examples of
  • Hand contouring
  • Triangulation-based contouring
  • Block average contouring
  • Surface fitting contouring
  • Surface fitting under tension contouring

4
Example
5
Example
6
Spline Example
  • http//www.cse.unsw.edu.au/lambert/splines/natcub
    ic.html

7
Source Data Map
8
Elevations
9
Hand Contouring
10
Triangulation (pscontour)
11
Source Data Map
12
Triangulation (pscontour)
13
Averaging (nearneighbor)
14
Elevations
15
Source Data Map
16
Spline (surface, Tension 0)
17
Spline (surface, Tension 0.35)
18
Source Data Map
19
Spline (surface, Tension 0.35, 10 ft.
contours)
20
1080 ft.
Spline (surface, Tension 0, 20 ft. contours)
21
Source Data Map
Write a Comment
User Comments (0)
About PowerShow.com