Journal Article

Matrix2png: a utility for visualizing matrix data

Paul Pavlidis and William Stafford Noble

in Bioinformatics

Volume 19, issue 2, pages 295-296
Published in print January 2003 | ISSN: 1367-4803
Published online January 2003 | e-ISSN: 1460-2059 | DOI: https://dx.doi.org/10.1093/bioinformatics/19.2.295
Matrix2png: a utility for visualizing matrix data

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We describe a simple software tool, ‘matrix2png’, for creating color images of matrix data. Originally designed with the display of microarray data sets in mind, it is a general tool that can be used to make simple visualizations of matrices for use in figures, web pages, slide presentations and the like. It can also be used to generate images ‘on the fly’ in web applications. Both continuous-valued and discrete-valued (categorical) data sets can be displayed. Many options are available to the user, including the colors used, the display of row and column labels, and scale bars. In this note we describe some of matrix2png’s features and describe some places it has been useful in the authors’ work.

Availability: A simple web interface is available, and Unix binaries are available from http://microarray.cpmc.columbia.edu/matrix2png. Source code is available on request.

Contact: pp175@columbia.edu

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To whom correspondence should be addressed at Russ Berrie Pavilion Room 121, 1150 St. Nicholas Ave, New York, NY 10025, USA.

Journal Article.  0 words. 

Subjects: Bioinformatics and Computational Biology

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