polyAutocrop {RSurvey} | R Documentation

## Auto Crop Parameters

### Description

Control parameters associated with the autocrop algorithm.

### Usage

    polyAutocrop(tt1 = NULL)

### Arguments

`tt1` | a Tk toplevel widget.

### Details

Requires access to the following components within `srvy.dat`: `data.raw`, `win.width`, `csi`, and `vars[2:3]`. The default maximum arc length for a cell is determined from the maximum length within the Delaunay triangulation mesh and an interation limit for the algorithm. Entering arc lengths less than the default value will reduce the polygons size.

### Value

A polygon of class `gpc.poly`.

### Author(s)

Fisher, J. C.

### See Also

`autocrop`, `tri.mesh`, `get.pts`

### Examples

    data(confluence)
    polyAutocrop()

[Package RSurvey version 0.4.5 Index]