public void TestStackingMapping()
{
// Test grayscale stacked mapping with CameraSensor
var cameraSensor = new CameraSensor(new Camera(), 64, 64,
true, "grayscaleCamera", SensorCompressionType.PNG);
var stackedCameraSensor = new StackingSensor(cameraSensor, 2);
Assert.AreEqual(stackedCameraSensor.GetCompressionSpec().CompressedChannelMapping, new[] { 0, 0, 0, 1, 1, 1 });
// Test RGB stacked mapping with RenderTextureSensor
var renderTextureSensor = new RenderTextureSensor(new RenderTexture(24, 16, 0),
false, "renderTexture", SensorCompressionType.PNG);
var stackedRenderTextureSensor = new StackingSensor(renderTextureSensor, 2);
Assert.AreEqual(stackedRenderTextureSensor.GetCompressionSpec().CompressedChannelMapping, new[] { 0, 1, 2, 3, 4, 5 });
// Test mapping with number of layers not being multiple of 3
var dummySensor = new Dummy3DSensor();
dummySensor.ObservationSpec = ObservationSpec.Visual(2, 2, 4);
dummySensor.Mapping = new[] { 0, 1, 2, 3 };
var stackedDummySensor = new StackingSensor(dummySensor, 2);
Assert.AreEqual(stackedDummySensor.GetCompressionSpec().CompressedChannelMapping, new[] { 0, 1, 2, 3, -1, -1, 4, 5, 6, 7, -1, -1 });
// Test mapping with dummy layers that should be dropped
var paddedDummySensor = new Dummy3DSensor();
paddedDummySensor.ObservationSpec = ObservationSpec.Visual(2, 2, 4);
paddedDummySensor.Mapping = new[] { 0, 1, 2, 3, -1, -1 };
var stackedPaddedDummySensor = new StackingSensor(paddedDummySensor, 2);
Assert.AreEqual(stackedPaddedDummySensor.GetCompressionSpec().CompressedChannelMapping, new[] { 0, 1, 2, 3, -1, -1, 4, 5, 6, 7, -1, -1 });
}
public void TestStackingSensorBuiltInSensorType()
{
var dummySensor = new Dummy3DSensor();
dummySensor.ObservationSpec = ObservationSpec.Visual(2, 2, 4);
dummySensor.Mapping = new[] { 0, 1, 2, 3 };
var stackedDummySensor = new StackingSensor(dummySensor, 2);
Assert.AreEqual(stackedDummySensor.GetBuiltInSensorType(), BuiltInSensorType.Unknown);
var vectorSensor = new VectorSensor(4);
var stackedVectorSensor = new StackingSensor(vectorSensor, 4);
Assert.AreEqual(stackedVectorSensor.GetBuiltInSensorType(), BuiltInSensorType.VectorSensor);
}
public void Test3DStacking()
{
var wrapped = new Dummy3DSensor();
wrapped.ObservationSpec = ObservationSpec.Visual(2, 1, 2);
var sensor = new StackingSensor(wrapped, 2);
// Check the stacking is on the last dimension
wrapped.CurrentObservation = new[, , ] {
{ { 1f, 2f } }, { { 3f, 4f } }
};
SensorTestHelper.CompareObservation(sensor, new[, , ] {
{ { 0f, 0f, 1f, 2f } }, { { 0f, 0f, 3f, 4f } }
});
sensor.Update();
wrapped.CurrentObservation = new[, , ] {
{ { 5f, 6f } }, { { 7f, 8f } }
};
SensorTestHelper.CompareObservation(sensor, new[, , ] {
{ { 1f, 2f, 5f, 6f } }, { { 3f, 4f, 7f, 8f } }
});
sensor.Update();
wrapped.CurrentObservation = new[, , ] {
{ { 9f, 10f } }, { { 11f, 12f } }
};
SensorTestHelper.CompareObservation(sensor, new[, , ] {
{ { 5f, 6f, 9f, 10f } }, { { 7f, 8f, 11f, 12f } }
});
// Check that if we don't call Update(), the same observations are produced
SensorTestHelper.CompareObservation(sensor, new[, , ] {
{ { 5f, 6f, 9f, 10f } }, { { 7f, 8f, 11f, 12f } }
});
// Test reset
sensor.Reset();
wrapped.CurrentObservation = new[, , ] {
{ { 13f, 14f } }, { { 15f, 16f } }
};
SensorTestHelper.CompareObservation(sensor, new[, , ] {
{ { 0f, 0f, 13f, 14f } }, { { 0f, 0f, 15f, 16f } }
});
}
public void TestStackedGetCompressedObservation()
{
var wrapped = new Dummy3DSensor();
wrapped.ObservationSpec = ObservationSpec.Visual(1, 1, 3);
var sensor = new StackingSensor(wrapped, 2);
wrapped.CurrentObservation = new[, , ] {
{ { 1f, 2f, 3f } }
};
var expected1 = sensor.CreateEmptyPNG();
expected1 = expected1.Concat(Array.ConvertAll(new[] { 1f, 2f, 3f }, (z) => (byte)z)).ToArray();
Assert.AreEqual(sensor.GetCompressedObservation(), expected1);
sensor.Update();
wrapped.CurrentObservation = new[, , ] {
{ { 4f, 5f, 6f } }
};
var expected2 = Array.ConvertAll(new[] { 1f, 2f, 3f, 4f, 5f, 6f }, (z) => (byte)z);
Assert.AreEqual(sensor.GetCompressedObservation(), expected2);
sensor.Update();
wrapped.CurrentObservation = new[, , ] {
{ { 7f, 8f, 9f } }
};
var expected3 = Array.ConvertAll(new[] { 4f, 5f, 6f, 7f, 8f, 9f }, (z) => (byte)z);
Assert.AreEqual(sensor.GetCompressedObservation(), expected3);
// Test reset
sensor.Reset();
wrapped.CurrentObservation = new[, , ] {
{ { 10f, 11f, 12f } }
};
var expected4 = sensor.CreateEmptyPNG();
expected4 = expected4.Concat(Array.ConvertAll(new[] { 10f, 11f, 12f }, (z) => (byte)z)).ToArray();
Assert.AreEqual(sensor.GetCompressedObservation(), expected4);
}