protected internal virtual void buildGrid(int numX, int numY, int power)
{
int length = numX * numY;
double[] data1 = new double[length];
double[] data2 = new double[length];
double[] data3 = new double[length];
double lower1 = 1E+20;
for (int index = 0; index < this.xValues.Length; ++index)
lower1 = Math.min(lower1, this.xValues[index].doubleValue());
double upper1 = -1E+20;
for (int index = 0; index < this.xValues.Length; ++index)
upper1 = Math.max(upper1, this.xValues[index].doubleValue());
double lower2 = 1E+20;
for (int index = 0; index < this.yValues.Length; ++index)
lower2 = Math.min(lower2, this.yValues[index].doubleValue());
double upper2 = -1E+20;
for (int index = 0; index < this.yValues.Length; ++index)
upper2 = Math.max(upper2, this.yValues[index].doubleValue());
Range range1 = new Range(lower1, upper1);
Range range2 = new Range(lower2, upper2);
range1.getLength();
range2.getLength();
double num1 = range1.getLength() / (double) (numX - 1);
double num2 = range2.getLength() / (double) (numY - 1);
double num3 = 0.0;
for (int index1 = 0; index1 < numX; ++index1)
{
if (index1 == 0)
num3 = lower1;
else
num3 += num1;
double num4 = 0.0;
for (int index2 = 0; index2 < numY; ++index2)
{
int index3 = numY * index1 + index2;
data1[index3] = num3;
if (index2 == 0)
num4 = lower2;
else
num4 += num2;
data2[index3] = num4;
}
}
for (int index1 = 0; index1 < data1.Length; ++index1)
{
double num4 = 0.0;
data3[index1] = 0.0;
for (int index2 = 0; index2 < this.xValues.Length; ++index2)
{
double num5 = this.distance(this.xValues[index2].doubleValue(), this.yValues[index2].doubleValue(), data1[index1], data2[index1]);
if (power != 1)
num5 = Math.pow(num5, (double) power);
double num6 = Math.sqrt(num5);
double num7 = num6 <= 0.0 ? 1E+20 : 1.0 / num6;
if (this.zValues[index2] != null)
{
double[] numArray1 = data3;
int index3 = index1;
double[] numArray2 = numArray1;
numArray2[index3] = numArray2[index3] + this.zValues[index2].doubleValue() * num7;
}
num4 += num7;
}
data3[index1] = data3[index1] / num4;
}
this.initialize(DefaultContourDataset.formObjectArray(data1), DefaultContourDataset.formObjectArray(data2), DefaultContourDataset.formObjectArray(data3));
}
