sfc_validate,sfc_sequence-method

sfc_validate

sfc_validate,character-method

Implementation of all possible forms of 2x2 and 3x3 space-filling curves,
i.e., the generalized forms of the Hilbert curve <https://en.wikipedia.org/wiki/Hilbert_curve>,
the Peano curve <https://en.wikipedia.org/wiki/Peano_curve> and the Peano curve in the
meander type (Figure 5 in <https://eudml.org/doc/141086>). It can generates nxn curves expanded from
any specific level-1 units. It also implements the H-curve and the three-dimensional Hilbert curve.

Zuguang Gu

sfcurve

2x2, 3x3 and Nxn Space-Filling Curves

sfc_validate,sfc_sequence-method function

<dl><dt>p</dt>
<dd>An <code>sfc_sequence</code> object or a character string. If it is a character string, rotation of zero is assigned to the first letter.</dd>
<dt>by</dt>
<dd>One of <code>sfc_2x2</code>, <code>sfc_3x3_peano</code> and <code>sfc_3x3_meander</code>.</dd></dl>

Arguments

Validate the sequence — sfc_validate,sfc_sequence-method

<dl>

<dt>p</dt>
<dd>An <code>sfc_sequence</code> object or a character string. If it is a character string, rotation of zero is assigned to the first letter.</dd>


<dt>by</dt>
<dd>One of <code>sfc_2x2</code>, <code>sfc_3x3_peano</code> and <code>sfc_3x3_meander</code>.</dd>

</dl>

sfc_validate,sfc_sequence-method: Validate the sequence

Description

Usage

Value

Arguments

Details

Examples