Module gr_turn_start


Name:
gr_turn_start - a GRToolbox module
Description:
Turn the starting index of a closed curve.
Points with index smaller than start index will
be appended.
Can also be used for closing curves (-last and index ==0).
If start and endpoint in the original curve are the
same, one point will be removed.
Synopsis:
-[index lasth o v noc nof now skip f m c e i s l]
-help For help on all options.
Special Options:
-index int New starting index.
-last Last point will be same as first.
Example Input Data:
-1 1.22465e-16
-0.5 0.866025
0.5 0.866025
1 0
&
-1 1.22465e-16
-0.5 -0.866025
0.5 -0.866025
1 -2.44929e-16
Example Output Data:
-1 1.22465e-16
-0.5 0.866025
0.5 0.866025
1 0
&
-1 1.22465e-16
-0.5 -0.866025
0.5 -0.866025
1 -2.44929e-16



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