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EncyclogramEncyclogram draws harmonograms, spirographs, and Lissajous figures. The decaying motion of the plot fills in the shapes with their spiralling-in echo. Encyclogram can also draw the curves in varying colors against a black background. Author's Notes: At the left of the applet are two sets of x-pendulum controls; at the right of the applet are two sets of y-pendulum controls. x is the horizontal direction in the drawing area, and y is the vertical direction. Each pendulum (2 per axis) has an amplitude, frequency, and phase. Frequency generally has the greatest effect, controlling the number of lobes. Amplitude controls the lobe sizes. Phase controls lobe orientations. Spiro gangs the x and y amplitude and frequency controls, and sets the phases for symmetric spirographs. Decay makes the curve spiral inwards. Color sets a black background, and draws the picture in color. WARNING: selecting the color option slows down the picture drawing. Thick draws a thick line. This also slows the drawing speed. Harmonograms: select the decay option. Spirographs: select the spiro option. Leave the phases alone for true spirographs. You can change them for interesting effects, but the pictures won't then generally be spirographs. Lissajous: unselect spiro and decay. Set one amplitude on each side to zero; adjust the sliders in the non-zero groups (e.g. if you set the top sliders each side to zero, adjust the bottom three sliders). How To Use: Java Source: unavailable Sample HTML Source: <applet code = "Encyclo.class" archive = "Encyclo.zip" width = "400" height = "250"> </applet> Status: Free Author: Alan Richmond Homepage: http://encyclozine.com/Graph/Encyclo/ Upload Date: May 10, 2000 |
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New on the Java Boutique:
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In addition to applets, applications, servlets, and articles, we are now accepting submissions of JSP snippets! If you have a piece of JSP code that you think would be useful to others, then send it in!
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New Tutorial:
Introduction to Java Part 6:
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Selena Sol goes through all the Java code and HTML necessary to create a java application.
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Year in Review:
The Best of 1999
Y2K has come and gone and now we have a chance to look back over the past year.
In 1999 we posted over 250 applets, servlets, applications, and tools.
In this list are the 24 most popular apps from 1999.
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Elsewhere on internet.com:
WebDeveloper Java
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Thorough Java resource at the Web Developer's Virtual Library.
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100s of free Java code files to download.
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