271 lines
9.5 KiB
HTML
271 lines
9.5 KiB
HTML
<!--NewPage-->
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<html>
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<head>
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<!-- Generated by javadoc on Sat May 10 12:23:02 1997 -->
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<a name="_top_"></a>
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<title>
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Class Graph
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</title>
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</head>
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<body>
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<h1>
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Class Graph
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</h1>
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<pre>
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<a href="java.lang.Object.html#_top_">java.lang.Object</a>
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+----<a href="java.awt.Component.html#_top_">java.awt.Component</a>
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+----<a href="java.awt.Canvas.html#_top_">java.awt.Canvas</a>
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+----Graph
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</pre>
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<hr>
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<dl>
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<dt> public class <b>Graph</b>
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<dt> extends <a href="java.awt.Canvas.html#_top_">Canvas</a>
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</dl>
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This class is responsible for drawing and refreshing
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the graph.
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<hr>
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<a name="index"></a>
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<h2>
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<img src="images/variable-index.gif" width=207 height=38 alt="Variable Index">
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</h2>
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<dl>
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<dt> <img src="images/magenta-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#graphHeight"><b>graphHeight</b></a>
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<dd>
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<dt> <img src="images/magenta-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#graphWidth"><b>graphWidth</b></a>
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<dd>
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</dl>
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<h2>
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<img src="images/constructor-index.gif" width=275 height=38 alt="Constructor Index">
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</h2>
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<dl>
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<dt> <img src="images/yellow-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#Graph()"><b>Graph</b></a>()
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<dd> The constructor method creates storage for data for each
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of the curves, initializes some variables, and resizes the
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graph.
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</dl>
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<h2>
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<img src="images/method-index.gif" width=207 height=38 alt="Method Index">
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</h2>
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<dl>
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<dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#backgroundPaint(java.awt.Graphics)"><b>backgroundPaint</b></a>(Graphics)
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<dd> This method is actually in charge of calling each of the drawing
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methods.
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<dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#clearGraphData()"><b>clearGraphData</b></a>()
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<dd> This method deletes the old graph data
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<dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#drawPoint(java.awt.Graphics, int, int)"><b>drawPoint</b></a>(Graphics, int, int)
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<dd> This method draws a small diamond at the specified point
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<dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#drawTicks(java.awt.Graphics, java.util.Vector, java.lang.String)"><b>drawTicks</b></a>(Graphics, Vector, String)
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<dd> This method draws the y-axis tick marks and labelling them
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<dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#getImage()"><b>getImage</b></a>()
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<dd> This method returns the offscreen image for creating the GIF file.
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<dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#paint(java.awt.Graphics)"><b>paint</b></a>(Graphics)
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<dd> This method attempts to create an off screen image and then calls the
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background paint method.
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<dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#setGraphData(java.util.Vector, java.util.Vector)"><b>setGraphData</b></a>(Vector, Vector)
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<dd> This method assigns new data to the curve vectors
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<dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#setLineStyle(java.lang.String)"><b>setLineStyle</b></a>(String)
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<dd> This method is used to update the line style selected
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by the user.
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<dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#updateScale(java.lang.String)"><b>updateScale</b></a>(String)
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<dd> This method is called by external classes to update the scale
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selection.
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<dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#updateUserScale(java.lang.String, double)"><b>updateUserScale</b></a>(String, double)
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<dd> This method allows external classes to update the manual
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scale mechanisms.
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</dl>
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<a name="variables"></a>
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<h2>
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<img src="images/variables.gif" width=153 height=38 alt="Variables">
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</h2>
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<a name="graphWidth"><img src="images/magenta-ball.gif" width=12 height=12 alt=" o "></a>
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<b>graphWidth</b>
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<pre>
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public final int graphWidth
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</pre>
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<a name="graphHeight"><img src="images/magenta-ball.gif" width=12 height=12 alt=" o "></a>
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<b>graphHeight</b>
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<pre>
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public final int graphHeight
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</pre>
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<a name="constructors"></a>
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<h2>
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<img src="images/constructors.gif" width=231 height=38 alt="Constructors">
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</h2>
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<a name="Graph"></a>
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<a name="Graph()"><img src="images/yellow-ball.gif" width=12 height=12 alt=" o "></a>
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<b>Graph</b>
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<pre>
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public Graph()
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</pre>
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<dl>
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<dd> The constructor method creates storage for data for each
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of the curves, initializes some variables, and resizes the
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graph.
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</dl>
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<a name="methods"></a>
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<h2>
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<img src="images/methods.gif" width=151 height=38 alt="Methods">
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</h2>
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<a name="updateScale(java.lang.String)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
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<a name="updateScale"><b>updateScale</b></a>
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<pre>
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public void updateScale(<a href="java.lang.String.html#_top_">String</a> s)
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</pre>
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<dl>
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<dd> This method is called by external classes to update the scale
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selection.
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<dl>
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<dt> <b>Parameters:</b>
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<dd> s - string parameter containing either RED, BLUE, or INDEPENDENT
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<dt> <b>See Also:</b>
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<dd> <a href="lilgpMonitor.html#_top_">lilgpMonitor</a>
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</dl>
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</dl>
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<a name="updateUserScale(java.lang.String, double)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
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<a name="updateUserScale"><b>updateUserScale</b></a>
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<pre>
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public void updateUserScale(<a href="java.lang.String.html#_top_">String</a> which,
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double s)
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</pre>
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<dl>
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<dd> This method allows external classes to update the manual
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scale mechanisms.
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<dl>
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<dt> <b>Parameters:</b>
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<dd> which - is used to determine which scale to adjust either RED or BLUE
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<dd> s - is the scale value
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<dt> <b>See Also:</b>
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<dd> <a href="lilgpMonitor.html#_top_">lilgpMonitor</a>
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</dl>
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</dl>
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<a name="clearGraphData()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
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<a name="clearGraphData"><b>clearGraphData</b></a>
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<pre>
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public void clearGraphData()
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</pre>
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<dl>
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<dd> This method deletes the old graph data
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</dl>
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<a name="setGraphData(java.util.Vector, java.util.Vector)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
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<a name="setGraphData"><b>setGraphData</b></a>
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<pre>
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public void setGraphData(<a href="java.util.Vector.html#_top_">Vector</a> metricOne,
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<a href="java.util.Vector.html#_top_">Vector</a> metricTwo)
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</pre>
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<dl>
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<dd> This method assigns new data to the curve vectors
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<dl>
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<dt> <b>Parameters:</b>
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<dd> metricOne - specifies the data for the red curve
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<dd> metricTwo - specifies the data for the blue curve
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</dl>
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</dl>
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<a name="setLineStyle(java.lang.String)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
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<a name="setLineStyle"><b>setLineStyle</b></a>
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<pre>
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public void setLineStyle(<a href="java.lang.String.html#_top_">String</a> style)
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</pre>
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<dl>
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<dd> This method is used to update the line style selected
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by the user.
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<dl>
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<dt> <b>Parameters:</b>
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<dd> style - specifes the line style, either LINES or LINESPOINTS
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</dl>
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</dl>
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<a name="drawTicks(java.awt.Graphics, java.util.Vector, java.lang.String)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
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<a name="drawTicks"><b>drawTicks</b></a>
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<pre>
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public void drawTicks(<a href="java.awt.Graphics.html#_top_">Graphics</a> g,
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<a href="java.util.Vector.html#_top_">Vector</a> theData,
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<a href="java.lang.String.html#_top_">String</a> anchor)
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</pre>
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<dl>
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<dd> This method draws the y-axis tick marks and labelling them
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<dl>
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<dt> <b>Parameters:</b>
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<dd> g - the graphics context
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<dd> theData - current curve data
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<dd> anchor - specifies which axis to draw the ticks on, either EAST or WEST
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</dl>
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</dl>
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<a name="drawPoint(java.awt.Graphics, int, int)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
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<a name="drawPoint"><b>drawPoint</b></a>
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<pre>
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public void drawPoint(<a href="java.awt.Graphics.html#_top_">Graphics</a> g,
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int x,
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int y)
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</pre>
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<dl>
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<dd> This method draws a small diamond at the specified point
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<dl>
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<dt> <b>Parameters:</b>
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<dd> g - the graphics context
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<dd> x - the x coordinate of the data point
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<dd> y - the y coordinate of the data point
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</dl>
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</dl>
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<a name="backgroundPaint(java.awt.Graphics)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
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<a name="backgroundPaint"><b>backgroundPaint</b></a>
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<pre>
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public void backgroundPaint(<a href="java.awt.Graphics.html#_top_">Graphics</a> g)
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</pre>
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<dl>
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<dd> This method is actually in charge of calling each of the drawing
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methods.
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<dl>
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<dt> <b>Parameters:</b>
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<dd> g - the graphics context
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</dl>
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</dl>
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<a name="paint(java.awt.Graphics)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
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<a name="paint"><b>paint</b></a>
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<pre>
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public void paint(<a href="java.awt.Graphics.html#_top_">Graphics</a> g)
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</pre>
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<dl>
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<dd> This method attempts to create an off screen image and then calls the
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background paint method. If it fails, then it simply paints on the
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visible graphics context.
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<dl>
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<dt> <b>Parameters:</b>
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<dd> g - the graphics context
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<dt> <b>Overrides:</b>
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<dd> <a href="java.awt.Canvas.html#paint(java.awt.Graphics)">paint</a> in class <a href="java.awt.Canvas.html#_top_">Canvas</a>
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</dl>
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</dl>
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<a name="getImage()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
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<a name="getImage"><b>getImage</b></a>
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<pre>
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public <a href="java.awt.Image.html#_top_">Image</a> getImage()
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</pre>
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<dl>
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<dd> This method returns the offscreen image for creating the GIF file.
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</dl>
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</body>
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</html>
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