public static PlotData GetLinePlot(
float[] dataPoints,
Vector2?xRangeOpt = null,
Vector2?yRangeOpt = null,
int texH = 300,
int texW = 400,
Color?lineColorOpt = null)
{
Color lineColor;
Vector2 xRange;
Vector2 yRange;
if (lineColorOpt.HasValue)
{
lineColor = lineColorOpt.Value;
}
else
{
lineColor = Color.blue;
}
if (xRangeOpt.HasValue)
{
xRange = xRangeOpt.Value;
}
else
{
xRange = new Vector2(0, dataPoints.Length + 1);
}
if (yRangeOpt.HasValue)
{
yRange = yRangeOpt.Value;
}
else
{
float yMin = float.PositiveInfinity;
float yMax = float.NegativeInfinity;
//Find min and max
for (int i = 0; i < dataPoints.Length; i++)
{
if (dataPoints[i] > yMax)
{
yMax = dataPoints[i];
}
if (dataPoints[i] < yMin)
{
yMin = dataPoints[i];
}
}
//Find the magnitude of the difference
float diff = yMax - yMin;
float orderOfMag = Mathf.Log10(diff);
float newYMin = Mathf.Floor(yMin * Mathf.Pow(10f, orderOfMag)) / Mathf.Pow(10f, orderOfMag);
float newYMax = Mathf.Ceil(yMax * Mathf.Pow(10f, orderOfMag)) / Mathf.Pow(10f, orderOfMag);
yRange = new Vector2(newYMin, newYMax);
}
Texture2D tex = new Texture2D(texW, texH);
float xScaleFactor = texW / (xRange.y - xRange.x);
float yScaleFactor = texH / (yRange.y - yRange.x);
int xPixel;
int yPixel;
//First white out texture
for (xPixel = 0; xPixel < texW; xPixel++)
{
for (yPixel = 0; yPixel < texH; yPixel++)
{
tex.SetPixel(xPixel, yPixel, Color.white);
}
}
if (yRange.x < 0f && 0f < yRange.y)
{
//Draw XAxis
yPixel = Mathf.FloorToInt(texH * -yRange.x / (yRange.y - yRange.x));
for (xPixel = 0; xPixel < texW; xPixel++)
{
tex.SetPixel(xPixel, yPixel, Color.black);
}
}
if (xRange.x < 0f && 0f < xRange.y)
{
//Draw YAxis
xPixel = Mathf.FloorToInt(texW * -xRange.x / (xRange.y - xRange.x));
for (yPixel = 0; yPixel < texH; xPixel++)
{
tex.SetPixel(xPixel, yPixel, Color.black);
}
}
int x0;
int x1 = Mathf.FloorToInt(xScaleFactor * (1 - xRange.x));
int y0;
int y1 = Mathf.FloorToInt(yScaleFactor * (dataPoints[0] - yRange.x));
//Draw Lines
for (int sample = 1; sample < dataPoints.Length; sample++)
{
x0 = x1;
x1 = Mathf.FloorToInt(xScaleFactor * (1 + sample - xRange.x));
y0 = y1;
y1 = Mathf.FloorToInt(yScaleFactor * (dataPoints[sample] - yRange.x));
DrawLine(x0, y0, x1, y1, tex, lineColor);
}
tex.Apply();
SimplePlotData data = new SimplePlotData()
{
plot = tex,
xBounds = xRange,
yBounds = yRange,
};
return(data);
}
public static PlotData GetPointAndLinePlot(
List <PlotPoint> dataPoints,
Vector2?xRangeOpt = null,
Vector2?yRangeOpt = null,
int texH = 600,
int texW = 800,
Color?lineColorOpt = null,
Color?goodPointColorOpt = null,
Color?badPointColorOpt = null,
int pointRadius = 3)
{
Color lineColor = Color.blue;
Color goodPointColor = Color.green;
Color badPointColor = Color.red;
Vector2 xRange;
Vector2 yRange;
if (lineColorOpt.HasValue)
{
lineColor = lineColorOpt.Value;
}
if (goodPointColorOpt.HasValue)
{
goodPointColor = goodPointColorOpt.Value;
}
if (badPointColorOpt.HasValue)
{
badPointColor = badPointColorOpt.Value;
}
if (xRangeOpt.HasValue)
{
xRange = xRangeOpt.Value;
}
else
{
xRange = new Vector2(0, dataPoints.Count + 2);
}
if (yRangeOpt.HasValue)
{
yRange = yRangeOpt.Value;
}
else
{
float yMin = float.PositiveInfinity;
float yMax = float.NegativeInfinity;
//Find min and max
for (int i = 0; i < dataPoints.Count; i++)
{
if (dataPoints[i].parameterValue > yMax)
{
yMax = dataPoints[i].parameterValue;
}
if (dataPoints[i].parameterValue < yMin)
{
yMin = dataPoints[i].parameterValue;
}
}
//Find the magnitude of the difference
float diff = yMax - yMin;
float orderOfMag = Mathf.Floor(Mathf.Log10(diff));
float newYMin = Mathf.Floor(yMin / Mathf.Pow(10f, orderOfMag) - 1) * Mathf.Pow(10f, orderOfMag);
float newYMax = Mathf.Ceil(yMax / Mathf.Pow(10f, orderOfMag) + 1) * Mathf.Pow(10f, orderOfMag);
yRange = new Vector2(newYMin, newYMax);
}
Texture2D tex = new Texture2D(texW, texH);
float xScaleFactor = texW / (xRange.y - xRange.x);
float yScaleFactor = texH / (yRange.y - yRange.x);
int xPixel;
int yPixel;
//First white out texture
for (xPixel = 0; xPixel < texW; xPixel++)
{
for (yPixel = 0; yPixel < texH; yPixel++)
{
tex.SetPixel(xPixel, yPixel, Color.white);
}
}
//Draw XAxis
if (yRange.x < 0f && 0f < yRange.y)
{
yPixel = Mathf.FloorToInt(yScaleFactor - yRange.x);
for (xPixel = 0; xPixel < texW; xPixel++)
{
tex.SetPixel(xPixel, yPixel, Color.black);
}
}
//Draw YAxis
if (xRange.x < 0f && 0f < xRange.y)
{
xPixel = Mathf.FloorToInt(xScaleFactor * -xRange.x);
for (yPixel = 0; yPixel < texH; xPixel++)
{
tex.SetPixel(xPixel, yPixel, Color.black);
}
}
//Draw Grid
{
float diff;
float gridDelta;
int gridLineCount;
//Draw X Gridlines
diff = yRange.y - yRange.x;
gridDelta = Mathf.Pow(10f, Mathf.Floor(Mathf.Log10(diff / 5)));
gridLineCount = Mathf.RoundToInt(diff / gridDelta) + 1;
for (int i = 0; i < gridLineCount; i++)
{
yPixel = Mathf.Clamp(Mathf.FloorToInt(yScaleFactor * i * gridDelta), 0, texH - 1);
for (xPixel = 0; xPixel < texW; xPixel++)
{
tex.SetPixel(xPixel, yPixel, Color.gray);
}
}
//Draw Y Gridlines
diff = xRange.y - xRange.x;
gridDelta = Mathf.Pow(10f, Mathf.Floor(Mathf.Log10(diff / 5)));
gridLineCount = Mathf.RoundToInt(diff / gridDelta) + 1;
for (int i = 0; i < gridLineCount; i++)
{
xPixel = Mathf.Clamp(Mathf.FloorToInt(xScaleFactor * i * gridDelta), 0, texW - 1);
for (yPixel = 0; yPixel < texH; yPixel++)
{
tex.SetPixel(xPixel, yPixel, Color.gray);
}
}
}
int x0;
int y0;
int x1 = Mathf.FloorToInt(xScaleFactor * (1 - xRange.x));
int y1 = Mathf.FloorToInt(yScaleFactor * (dataPoints[0].parameterValue - yRange.x));
//Draw Lines
for (int sample = 1; sample < dataPoints.Count; sample++)
{
x0 = x1;
x1 = Mathf.FloorToInt(xScaleFactor * (1 + sample - xRange.x));
y0 = y1;
y1 = Mathf.FloorToInt(yScaleFactor * (dataPoints[sample].parameterValue - yRange.x));
DrawLine(x0, y0, x1, y1, tex, lineColor);
}
//Draw Points
for (int sample = 0; sample < dataPoints.Count; sample++)
{
x0 = Mathf.FloorToInt(xScaleFactor * (1 + sample - xRange.x));
y0 = Mathf.FloorToInt(yScaleFactor * (dataPoints[sample].parameterValue - yRange.x));
if (dataPoints[sample].responseCorrect)
{
DrawCircle(x0, y0, pointRadius, tex, goodPointColor);
}
else
{
DrawCircle(x0, y0, pointRadius, tex, badPointColor);
}
}
tex.Apply();
SimplePlotData data = new SimplePlotData()
{
plot = tex,
xBounds = xRange,
yBounds = yRange,
};
return(data);
}