ReadMapTile

Reads an image from a PNG file/content into a raster array.

Serves two purposes: (i) Provide a
comfortable R interface to query the Google server for static
maps, and (ii) Use the map as a background image to overlay
plots within R. This requires proper coordinate scaling.

Markus Loecher

RgoogleMaps

Overlays on Static Maps

ReadMapTile function

<dl> <dt>destfile</dt>
<dd>png file to read</dd> <dt>METADATA</dt>
<dd>read MetaInfo as well ?</dd> <dt>native</dt>
<dd>determines the image representation - if FALSE then the result is an array, if TRUE then the result is a native raster representation, see readPNG in package png.</dd></dl>

Arguments

Author

Read a bitmap image stored in the PNG format — ReadMapTile

<dl>



 <dt>destfile</dt>
<dd>png file to read</dd>



 <dt>METADATA</dt>
<dd>read MetaInfo as well ?</dd>



 <dt>native</dt>
<dd>determines the image representation - if FALSE then the result is an array, if TRUE then the result is a native raster representation, see readPNG in package png.</dd>



</dl>

ReadMapTile: Read a bitmap image stored in the PNG format

Description

Usage

Value

Arguments

Author