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Date: Tue, 10 Dec 1996 03:31:34 GMTServer: NCSA/1.4.2Content-type: text/html<html><head>	<title>The Transform Programmer</title><!-- Changed by: Adam Carlson, 26-Oct-1995 --></head><body><h1> <!WA0><!WA0><img src=http://www.cs.washington.edu/research/metip/gif/warper.gif> <p> <a name="top">The Transform Programmer</a><br></h1><address>          <!WA1><!WA1><a href="http://www.cs.washington.edu/">Computer Science & Engineering Department,</a> <br>      <!WA2><!WA2><a href="ftp://ftp.u.washington.edu/public/">University of Washington,</a> FR-35, <br>     <!WA3><!WA3><a href="http://www.cs.washington.edu/area/">Seattle, WA</a> 98195 USA</address><hr> <p>The Transform Programmer is a package of programs for the PC under MS-Windowswhich work together to support exploratory learning and enjoyable activitiesinvolving geometric transformations.The Transform Programmer consists of three main parts -- (a) an imageprocessing and display subsystem called the "METIP Programming Environment,"(b) a programming language interpreter, in this case, the XLISP-STAT system ofDavid Betz and Luke Tierney, and (c) a particular Lisp program thatfacilitates the manipulation of mathematical expressions.  The firstcomponent, METIP Programming Environment, provides a user interface very muchlike that of the Pixel Calculator program.  The differences are that multipleimages can be handled at the same time, that the program contains thecapability to transform images in complicated ways according to user-specifiedformulas, and that the image display and transformation functions can becommanded from the programming language as well as directly by the user.  Theprogramming language makes it possible to explore computer programmming andimage processing together, if students or teachers so desire.<p>The Transform Programmer allows the specification of a general mathematicalformula to apply to one or more source images.  The general nature of theinterface allows for a high degree of exprimentation on the part of thestudent and supports interactive activities.  The formula can be expressed incartesian or polar coordinates and allows for the value of a pixel in theresult image to be a function of arbitrary pixels in the source image(s).<p><!-- Here is a picture of the <!WA4><!WA4><a href="http://www.cs.washington.edu/research/metip/gif/xform_ex.gif">Transform Programmeruser interface</a>.  This information can be used in activities designed toteach coordinate systems, angles, and geometry.  <p> -->You may want to take a look at the Transform Programmer <!WA5><!WA5><AHREF="http://www.cs.washington.edu/research/metip/xform-readme.html">READMEfile</A> before you <!WA6><!WA6><ahref="http://www.cs.washington.edu/research/metip/order_xform.html">order</a>your very own copy of the Transform Programmer software.<body><p> <hr><address>  bricker@cs.washington.edu or tanimoto@cs.washington.edu <br>  Last modified: Tues Oct 13 PST 1995</address></html>

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