R: Draw/preview a raster into a string

raster_str {gdtools} | R Documentation

## Draw/preview a raster into a string

### Description

`raster_view` is a helper function for testing. It uses `htmltools` to render a png as an image with base64 encoded data image.

### Usage

    raster_str(x, width = 480, height = 480, interpolate = FALSE)

    raster_view(code)

### Arguments

`x` | A raster object
`width, height` | Width and height in pixels.
`interpolate` | A logical value indicating whether to linearly interpolate the image.
`code` | base64 code of a raster

### Examples

    r <- as.raster(matrix(hcl(0, 80, seq(50, 80, 10)),
     nrow = 4, ncol = 5))
    code <- raster_str(r, width = 50, height = 50)
    if (interactive() && require("htmltools")) {
      raster_view(code = code)
    }

[Package gdtools version 0.1.6 Index]