Import chines
› DELFTship forum › Frequently asked questions (FAQ) › Import chines
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Marven.
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July 31, 2008 at 23:46 #33408
Marven
KeymasterI have a set of offsets I would like to import. But the data is in the form of x,y,z co-ordinates for the chines and deck line at each station – not the positions of the waterlines.
Can I import this data?
- The first line of the file must either be a 0 (zero) or a 1. A zero indicates that all coordinates are in meters while a one indicates that the coordinates are in feet. Each chine is defined by a sequence of X,Y and Z coordinates (all on the same line and separated by a space). Make sure you use a period to separate the decimals, not a comma!. The end of each chine is indicated by a new empty line after the last coordinate. The last line in the file should be ‘EOF’.
- The number of points is allowed to differ from chine to chine.
- The curves are imported and the chines are fitted to the datapoints of each imported curve in such a way that the chines from the imported hull match these curves. The imported curves are also added to the model as markers.
- The chines must be ordered from the bottom up with coordinates going from aft to front. At least three curves must be in the file: The keel line, at least one chine and finally the deck- or sheerline. Controlcurves are added to the crease edges corresponding to each chine.
For example:
1
0.000 0.000 0.150
0.856 0.000 0.048
1.884 0.000 -0.046
3.939 0.000 -0.158
4.966 0.000 -0.184
5.994 0.000 -0.195
8.049 0.000 -0.192
9.590 0.000 -0.163
10.618 0.000 -0.122
11.645 0.000 -0.059
13.700 0.000 0.150-0.414 0.000 0.347
1.199 0.716 0.252
2.569 1.135 0.197
3.939 1.398 0.162
5.309 1.530 0.145
6.679 1.567 0.140
8.049 1.547 0.143
9.419 1.442 0.156
10.789 1.214 0.187
12.159 0.836 0.236
14.114 0.000 0.347-0.672 0.000 0.660
1.199 0.823 0.506
2.569 1.233 0.429
3.939 1.490 0.381
5.994 1.647 0.352
7.364 1.653 0.350
8.734 1.598 0.361
10.104 1.439 0.391
11.474 1.146 0.446
12.844 0.694 0.530
14.372 0.000 0.660-0.771 0.000 1.056
0.685 0.662 0.844
2.398 1.219 0.666
4.110 1.536 0.565
5.822 1.664 0.524
7.535 1.672 0.522
9.248 1.575 0.553
10.960 1.300 0.640
12.672 0.795 0.802
14.471 0.000 1.056-0.053 0.000 1.683
0.856 0.421 1.498
2.911 1.071 1.211
4.966 1.375 1.077
7.021 1.436 1.050
9.076 1.344 1.090
11.131 0.989 1.247
13.186 0.272 1.563
13.753 0.000 1.683EOF
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