/// <summary>
/// Renders a bounding box and its label on a screen.
/// It is assumed that the screen is vertical to terrain and not inverted.
/// </summary>
/// <param name="isFlipped">
/// if true, x axis is oriented from right to left (top-right point is (0, 0) and bottom-left is (1, 1))
/// </param>
/// <remarks>
/// In <paramref name="detection" />, y-axis is oriented from top to bottom.
/// Its location data is represented by relative bounding box.
/// </remarks>
public void Draw(Transform screenTransform, Detection detection, bool isFlipped = false)
{
if (detection.LocationData == null)
{
Clear();
return;
}
DrawRectAndLabel(screenTransform, detection, isFlipped);
DrawRelativeKeypoints(screenTransform, detection.LocationData.RelativeKeypoints, isFlipped);
}
private void DrawRectAndLabel(Transform screenTransform, Detection detection, bool isFlipped = false, bool isFiltered = false)
{
var positions = GetPositions(screenTransform, detection.LocationData.RelativeBoundingBox, isFlipped, isFiltered);
gameObject.GetComponent <LineRenderer>().SetPositions(positions);
if (detection.Label.Count > 0)
{
// TODO: change font size
gameObject.GetComponent <TextMesh>().text = $" {detection.Label[0]}, {detection.Score[0]:G3}";
gameObject.transform.position = positions[0];
}
}
public static Detection[] PtrToDetectionArray(MpDetectionVector detectionVectorPtr)
{
var detectionVector = Marshal.PtrToStructure <DetectionVector>(detectionVectorPtr);
var detections = new Detection[detectionVector.size];
unsafe {
var arr = detectionVector.detections;
var sizePtr = detectionVector.sizeList;
for (var i = 0; i < detectionVector.size; i++)
{
var size = *sizePtr++;
var bytes = new byte[size];
Marshal.Copy((IntPtr)(*arr++), bytes, 0, size);
detections[i] = Detection.Parser.ParseFrom(bytes);
}
}
return(detections);
}
/// <summary>
/// Renders a bounding box and its label on a screen.
/// It is assumed that the screen is vertical to terrain and not inverted.
/// </summary>
/// <param name="isFlipped">
/// if true, x axis is oriented from right to left (top-right point is (0, 0) and bottom-left is (1, 1))
/// </param>
/// <remarks>
/// In <paramref name="detection" />, y-axis is oriented from top to bottom.
/// Its location data is represented by relative bounding box.
/// </remarks>
public void Draw(Transform screenTransform, Detection detection, bool isFlipped = false)
{
DrawRectAndLabel(screenTransform, detection, isFlipped);
DrawRelativeKeypoints(screenTransform, detection.LocationData.RelativeKeypoints, isFlipped);
}