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/* |
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Copyright @ 1999-2003, The Institute for Genomic Research (TIGR). |
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All rights reserved. |
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*/ |
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/* |
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* $RCSfile: RectDT.java,v $ |
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* $Revision: 1.3 $ |
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* $Date: 2005/03/10 15:45:30 $ |
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* $Author: braistedj $ |
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* $State: Exp $ |
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*/ |
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package org.tigr.microarray.mev.cluster.algorithm.impl.terrain; |
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|
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import javax.vecmath.Vector2f; |
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|
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public class RectDT { |
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|
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public float m_Left; |
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public float m_Top; |
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public float m_Right; |
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public float m_Bottom; |
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|
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public RectDT() { |
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} |
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|
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public RectDT(RectDT rIn) { |
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set(rIn); |
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} |
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|
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public void set(RectDT rIn) { |
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m_Left=rIn.m_Left; |
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m_Top=rIn.m_Top; |
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m_Right=rIn.m_Right; |
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m_Bottom=rIn.m_Bottom; |
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} |
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|
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public float Width() { |
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return m_Right-m_Left; |
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} |
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|
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public float Height() { |
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return m_Bottom-m_Top; |
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} |
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|
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public void NormalizeRect() { |
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if (m_Right<m_Left) { |
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float Tmp=m_Right; |
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m_Right=m_Left; |
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m_Left=Tmp; |
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} |
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if (m_Bottom<m_Top) { |
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float Tmp=m_Bottom; |
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m_Bottom=m_Top; |
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m_Top=Tmp; |
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} |
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} |
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|
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public void SetRect(Vector2f ptDLeftTop, Vector2f ptDRightBottom) { |
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m_Left=ptDLeftTop.x; |
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m_Top=ptDLeftTop.y; |
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m_Right=ptDRightBottom.x; |
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m_Bottom=ptDRightBottom.y; |
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} |
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|
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public void MakeEmpty() { |
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m_Left = Float.MAX_VALUE; m_Top=Float.MAX_VALUE; m_Right=-Float.MAX_VALUE; m_Bottom=-Float.MAX_VALUE; |
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} |
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|
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public void IncludePoint(Vector2f rPt) { |
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if (m_Left>rPt.x) |
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m_Left=rPt.x; |
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if (m_Right<rPt.x) |
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m_Right=rPt.x; |
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if (m_Top>rPt.y) |
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m_Top=rPt.y; |
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if (m_Bottom<rPt.y) |
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m_Bottom=rPt.y; |
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} |
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|
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public boolean PtInRect(Vector2f rIn) { |
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return m_Left<=rIn.x && m_Right>=rIn.x && m_Top<=rIn.y && m_Bottom>=rIn.y; |
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} |
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|
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public static float _hypot(float x, float y) { |
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return(float)Math.sqrt(x*x + y*y); |
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} |
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|
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public float Distance(Vector2f rIn) { |
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if (rIn.y<m_Top) { |
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if (rIn.x<m_Left) |
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return(float)_hypot(rIn.x-m_Left, rIn.y-m_Top); |
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if (rIn.x>m_Right) |
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return(float)_hypot(rIn.x-m_Right, rIn.y-m_Top); |
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return m_Top-rIn.y; |
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} |
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if (rIn.y>m_Bottom) { |
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if (rIn.x<m_Left) |
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return(float)_hypot(rIn.x-m_Left, rIn.y-m_Bottom); |
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if (rIn.x>m_Right) |
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return(float)_hypot(rIn.x-m_Right, rIn.y-m_Bottom); |
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return rIn.y-m_Bottom; |
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} else { |
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if (rIn.x<=m_Left) |
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return m_Left-rIn.x; |
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if (rIn.x>=m_Right) |
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return rIn.x-m_Right; |
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} |
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return 0f; |
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} |
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} |