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Graph Class
The graph class contains methods for drawing graphs
#Properties
double _minValue
A property that stores the minimum data value.
double _maxValue
A property that stores the maximum data value.
double[] p1Xcoordinates
Stores the X coordinate of each point on the graph.
double[] p1Ycoordinates
Stores the Y coordinate of each point on the graph.
double x_scale_ratio
Defines the range of the graph along the x-axis.
int _totalDataPoints
Stores the total number of dataPoints within the datastream.
double y_scale_ratio
Defines the range of the graph along the y-axis
string DataStreamId
defines which stream will be displayed
int Id
Assigns an ID to the graph which is used in the GraphContainer and BaseObject classes
int GraphLineWidth
Assigns the line width of the graph
Constructor will by default setup following properties:
GraphLineWidth = 1;
The class contains the following methods
Draw(Content surface, double x, double y)
An override function of the baseObject class which is used to draw the graph.
FindSmallestValue(double[] value)
The function is used to find the minimum value within the array passed to it.
FindMaxValue(double[] value)
The function is used to find the highest value within the array passed to it
RetrieveData()
The function is used to retrieve data from the CurrentData class and store it in an array.
The total number of data points is also stored.
DrawGraphDots(Context surface)
The function is used to draw a dot pertaining to each data point in the graph.
DrawYScale(Context surface)
The function is used to draw a scale in which to look up the numerical value of each data point in the graph.