public AutoConfigureImgPointsParams()
{
MinPixelsForBaseDisc = 10;
MinPixelsForBaseDiscEndOfEdge = 10;
ResizeWidth = 500;
ResizeHeight = 500;
MarkerProcessingParams = new MarkerProcessingParams();
}
/// <summary>
/// Gets the list of marker positions that satisfy the supplied conditions
/// </summary>
/// <param name="colorVariations"></param>
/// <param name="params"></param>
/// <param name="extraLeftPixels"></param>
/// <returns></returns>
public static List <double> GetAllMarkerPositions(List <double> colorVariations, MarkerProcessingParams @params, int extraLeftPixels)
{
var maxMarkerWidth = colorVariations.Count * @params.MarkerWidthPercent / 100.0;
var validPositions = GetValidPositions(colorVariations, @params.MarkerColorVariationPercent, maxMarkerWidth);
var positions = new List <double>();
for (var ctr = 0; ctr < validPositions.Count; ctr++)
{
var endValidPositionIndex = GetEndValidIndex(ctr, validPositions, maxMarkerWidth);
if (endValidPositionIndex != null)
{
var startValidPosition = validPositions[ctr];
var endValidPosition = validPositions[endValidPositionIndex.Value];
var position = GetMiddlePosition(startValidPosition, endValidPosition);
positions.Add(extraLeftPixels + position);
//move the counter forward to avoid repetition
ctr = endValidPositionIndex.Value;
}
}
return(positions);
}
/// <summary>
/// returns the first markers to the left and right of the center of disc
/// </summary>
/// <param name="image"></param>
/// <param name="discLeftEdgeX"></param>
/// <param name="discRightEdgeX"></param>
/// <param name="y"></param>
/// <param name="params"></param>
/// <returns></returns>
public static List <double> GetLeftAndRightMarkerPositions(Bitmap image, int discLeftEdgeX, int discRightEdgeX, int y, MarkerProcessingParams @params)
{
var colorVariations = ColorVariationCalculator.GetColorVariationList(image, discLeftEdgeX, discRightEdgeX, y);
var markerPositions = GetAllMarkerPositions(colorVariations, @params, discLeftEdgeX);
var center = GetMiddlePosition(discLeftEdgeX, discRightEdgeX);
for (var index = 0; index < markerPositions.Count; index++)
{
var potentialRightMarkerPosition = markerPositions[index];
if (potentialRightMarkerPosition >= center)
{
if (index > 0)
{
var leftMarkerPosition = markerPositions[index - 1];
return(new List <double> {
leftMarkerPosition, potentialRightMarkerPosition
});
}
//left index could not be found. break and return null
break;
}
}
return(null);
}