geodesic: Functions for geodesic search

Description Usage Arguments Details Value Author(s)

Description

This function provides an alternative way to optimize the projection index, by moving along a geodesic path.

Usage

1
search_geodesic(current, alpha = 1, index, max.tries = 5, n = 5)

Arguments

current

The starting projection.

alpha

Maximum distance to travel (currently ignored).

index

The projection index.

max.tries

Maximum number of failed attempts before giving up.

n

Number of random steps to take to find best direction.

Details

The function search_geodesic finds only one basis at a time. The caller is a wrapper function that calls search_geodesic bases number of times.

Value

Returns the basis found.

Author(s)

The function has been copied as is from the tourr package.



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