Wimage.info.plot {fields} | R Documentation

## Plot to check 2-d multiresolution indexing

### Description

Plots in image format the differnt blocks of coefficents associated with a 2-d multiresolution. This function can be used to check the Wtransform indexing functions and is also an introduction to how the coefficients are organized.

### Usage

    Wimage.info.plot(m, n, cut.min)

### Arguments

`m` | Number of rows in image
`n` | Number of columns of image
`cut.min` | Smallest number of smooth basis functions. Coarsest resolution will have atleast cut.min X cut.min basis functions with support on a regular grid.

### Details

This function was used to check the (compicated) indexing functions work. But it also might a useful graphics to desribe how the different levels of wavelet coefficients are pack into the image format.

### Author(s)

Doug Nychka

### See Also

`Wtransform.image`, `W.info`, `Wimage.info`,

### Examples

    #
    # 64X 128 image coarsest level has 8X16 smooth basis funcitons.
    #
    # NOTE as a matrix the image plot is upside down! Rows are along X-axis and
    # columns on Y
    # e.g. the (1,1) element is the lower left corner.
    #

    Wimage.info.plot( 64, 128, cut.min=8)

[Package fields version 5.02 Index]