public void GivenTracesForCrosslineShouldCreateOneImage()
{
// Arrange
var trace1 = new MockTrace {
Values = new float[] { 99 }, Header = new MockTraceHeader {
CrosslineNumber = 1, InlineNumber = 10
}
};
var trace2 = new MockTrace {
Values = new float[] { 77 }, Header = new MockTraceHeader {
CrosslineNumber = 1, InlineNumber = 20
}
};
IEnumerable <ITrace> traces = new ITrace[] { trace1, trace2 };
var path = TestPath() + ".jpg";
// Act
Subject.Write(traces, path);
// Assert
BinaryFileAssert.Exists(path);
TestContext.AddResultFile(path);
var image = new Bitmap(path);
Assert.AreEqual(2, image.Width);
Assert.AreEqual(1, image.Height);
}
private static IEnumerable <ITrace> MockTraces2x3()
{
var trace1 = new MockTrace {
Values = new float[] { 20, 10, 25 }
};
var trace2 = new MockTrace {
Values = new float[] { 15, 30, 25 }
};
return(new ITrace[] { trace1, trace2 });
}
public MockSegyFile(int traces, int samplesPerTrace)
{
var trace = new MockTrace {
Values = new float[samplesPerTrace]
};
Traces = new ITrace[traces];
for (int i = 0; i < traces; i++)
{
Traces[i] = trace;
}
}
public void WhenDisabledNullSamplesShouldNotBeTransparent()
{
// Arrange
var trace = new MockTrace {
Values = new float[] { 0, 1, -1 }
};
var segy = new MockSegyFile {
Traces = new ITrace[] { trace }
};
var path = TestPath() + ".png";
// Act
Subject.SetNullValuesToTransparent = false;
Subject.Write(segy, path);
// Assert
Bitmap image = new Bitmap(path);
Assert.AreEqual(255, image.GetPixel(0, 0).A);
}
public void PixelValuesShouldBeBlackToWhite()
{
// Arrange
var traceValues = new float[] { 150, 175, 125, 200, 111, 100, 123 }; // Min: 100, Max: 200
var trace = new MockTrace {
Values = traceValues
};
var segy = new MockSegyFile {
Traces = new ITrace[] { trace }
};
var path = TestPath() + ".png";
// Act
Subject.Write(segy, path);
// Assert
Bitmap image = new Bitmap(path);
Assert.AreEqual(Color.FromArgb(0, 0, 0), image.GetPixel(0, 5));
Assert.AreEqual(Color.FromArgb(127, 127, 127), image.GetPixel(0, 0));
Assert.AreEqual(Color.FromArgb(255, 255, 255), image.GetPixel(0, 3));
}
public void ShouldCreateImageForEachInline()
{
// Arrange
var values = new float[] { 1, 2, 3 };
var trace12a = new MockTrace {
Header = new MockTraceHeader {
InlineNumber = 12, CrosslineNumber = 1
}, Values = values
};
var trace12b = new MockTrace {
Header = new MockTraceHeader {
InlineNumber = 12, CrosslineNumber = 2
}, Values = values
};
var trace14 = new MockTrace {
Header = new MockTraceHeader {
InlineNumber = 14
}, Values = values
};
var segy = new MockSegyFile {
Traces = new ITrace[] { trace12a, trace12b, trace14 }
};
var path = TestPath() + ".png";
// Act
Subject.Write(segy, path);
// Assert
var image12 = new Bitmap(TestPath() + " (12).png");
Assert.AreEqual(3, image12.Height);
Assert.AreEqual(2, image12.Width);
var image14 = new Bitmap(TestPath() + " (14).png");
Assert.AreEqual(3, image14.Height);
Assert.AreEqual(1, image14.Width);
}
public void NullSamplesShouldBeTransparent()
{
// Arrange: A sample value of exactly 0
var traceValues = new float[] { 0.00001f, 0, -0.00001f };
var trace = new MockTrace {
Values = traceValues
};
var segy = new MockSegyFile {
Traces = new ITrace[] { trace }
};
var path = TestPath() + ".png";
Subject.SetNullValuesToTransparent = true;
// Act
Subject.Write(segy, path);
// Assert
Bitmap image = new Bitmap(path);
Assert.AreEqual(255, image.GetPixel(0, 0).A);
Assert.AreEqual(0, image.GetPixel(0, 1).A);
Assert.AreEqual(255, image.GetPixel(0, 2).A);
}
