[R] How to write a BMP file pixel by pixel?

[Uwe Ligges]

See package pixmap, for example.

Uwe Ligges

On 04.05.2012 03:10, ZHANG Yingqi wrote:
> Dear all,
>         I open a bmp device by the bmp() function in the png package, but I don't know how to write color pixel by pixel into the file? Any help or hint?
>         What I want to do is to create a 512*512 bmp file with certain dots being red and others black. I have all the pixel coordinates for the red dots, but I don't know how to draw the color on the device.
>         Please help me!
>
> Sincerely yours,
>    Yingqi
> ********************
>
> Yingqi ZHANG
>
> Beijing P.O. Box 643, China 100044
> Institute of Vertebrate Paleontology and Paleoanthropology (IVPP)
> Chinese Academy of Sciences
> Tel: +86-10-88369378     Fax: +86-10-68337001
> Email: arvicolid at gmail.com
>
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