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  Home > JCE Print > Journal of Chemical Education > Issues > 2000  > September  >
Information • Textbooks • Media • Resources
Pixel Conversion: A Simple Way to Extract Coordinates of Points from a Printed Graph
Christian Aymard
CIRAD-FLHOR, Avenue Agropolis, 3402 Montpellier Cedex 01, France

Randall B. Shirts
Department of Chemistry, Brigham Young University, Provo, UT 84602

Cover
September 2000
Vol. 77 No. 9
p. 1230
Abstract
A very simple method is described for extracting the coordinates of points from printed graphs, student reports, or publications. One only needs a flatbed scanner (available now for $50-$200) and a desktop computer. This is a convenient and inexpensive alternative to the tedious traditional method using a ruler or to the more costly programs available commercially. A Windows program has been made available to perform the required operations.
More Information
*  Citation
 Aymard, Christian; Shirts, Randall B. J. Chem. Educ. 2000 77 1230.
*  Keywords
 Numerical Methods; Teaching / Learning Aids
*  History
 Created:
Last Updated:		 August 29, 2000
June 22, 2005
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