59 lines
2.2 KiB
C#
59 lines
2.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace MarketData.CNNProcessing
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{
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public class PointMapping
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{
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public PointMapping(double width,double height,double xDataExtent,double xDataExtentMin,double yDataExtent,double yDataExtentMin,double xMarginExtent=0.00,double yMarginExtent=0.00)
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{
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Width=width;
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Height=height;
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XMargin=xMarginExtent;
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YMargin=yMarginExtent;
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XDataExtent=xDataExtent;
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XDataExtentMin=xDataExtentMin;
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YDataExtent=yDataExtent;
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YDataExtentMin=yDataExtentMin;
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XScalingFactor=(Width-(XMargin*2.00))/(XDataExtent-XDataExtentMin);
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YScalingFactor=(Height-(YMargin*2.00))/(YDataExtent-YDataExtentMin);
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}
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// MapPoint will both scale the given point and translate the given point from an upper left origin system to a bottom left origin system
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public Point MapPoint(Point sourcePoint)
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{
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int x = (int)((sourcePoint.X - XDataExtentMin) * XScalingFactor + XMargin);
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int y = (int)(Height - 1 - ((sourcePoint.Y - YDataExtentMin) * YScalingFactor) - YMargin);
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// clamp to bounds
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x = Math.Max(0, Math.Min(x, (int)Width - 1));
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y = Math.Max(0, Math.Min(y, (int)Height - 1));
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return new Point(x, y);
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}
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// TranslatePoint will only translate the given point from an upper left origin system to a bottom left origin system
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public Point TranslatePoint(Point sourcePoint)
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{
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Point mappedPoint=new Point((int)sourcePoint.X,(int)(Height-sourcePoint.Y-1));
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return mappedPoint;
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}
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public double Width{get;private set;}
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public double Height{get;private set;}
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public double XDataExtent{get;private set;}
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public double XDataExtentMin{get;private set;}
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public double XRange{get{return XDataExtent-XDataExtentMin;}}
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public double YDataExtent{get;private set;}
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public double YDataExtentMin{get;private set;}
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public double YRange{get{return YDataExtent-YDataExtentMin;}}
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public double XMargin{get;private set;}
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public double YMargin{get;private set;}
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public double XScalingFactor{get;private set;}
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public double YScalingFactor{get;private set;}
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}
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}
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