/// <summary>
/// Average Pixel Value
/// 0 if fully black
/// 255 if fully white
/// </summary>
/// <param name="roi"></param>
/// <param name="recipe"></param>
/// <returns></returns>
private static VisionMapCategory CalculateMapCategory(
EROIBW8 roi,
MapVisionParameters recipe)
{
float DiePresentThreshold = recipe.DiePresentThreshold;
float averagePixelValue;
EasyImage.PixelAverage(roi, out averagePixelValue);
VisionMapCategory visionMapCategory = VisionMapCategory.Undefined;
//if (averagePixelValue > TakenDieThreshold && averagePixelValue <= 256) visionMapCategory = VisionMapCategory.Taken;
//else if (averagePixelValue > GoodDieThreshold && averagePixelValue <= TakenDieThreshold) visionMapCategory = VisionMapCategory.GoodDie;
//else if (averagePixelValue > BadDieThreshold && averagePixelValue <= GoodDieThreshold) visionMapCategory = VisionMapCategory.BadDie;
if (averagePixelValue > DiePresentThreshold)
{
visionMapCategory = VisionMapCategory.DieTaken;
}
else if (averagePixelValue <= DiePresentThreshold)
{
visionMapCategory = VisionMapCategory.DieRemain;
}
else
{
throw new Exception("Invalid vision Map Category");
}
return(visionMapCategory);
}
public static MapDataFromVision ReadImage(
MapVisionParameters recipe,
EImageBW8 eImage)
{
if (recipe == null)
{
throw new ArgumentNullException("recipe");
}
if (eImage == null)
{
throw new ArgumentNullException("eImage");
}
int rowCount = recipe.RowCount;
int columnCount = recipe.ColumnCount;
float startingPointX = recipe.StartingPointX;
float startingPointY = recipe.StartingPointY;
float mapWidth = recipe.DieWidth;
float mapHeight = recipe.DieHeight;
List <List <BDMMapFromVision> > MapFromVisionListofList = new List <List <BDMMapFromVision> >();
for (int i = 0; i < rowCount; i++)
{
List <BDMMapFromVision> MapFromVisionList = new List <BDMMapFromVision>();
for (int j = 0; j < columnCount; j++)
{
EROIBW8 currentROI = new EROIBW8();
currentROI.Attach(eImage);
float ROIpositionX = startingPointX + j * mapWidth;
float ROIpositionY = startingPointY + i * mapHeight;
currentROI.OrgX = (int)Math.Round(ROIpositionX);
currentROI.OrgY = (int)Math.Round(ROIpositionY);
currentROI.Width = (int)Math.Round(mapWidth);
currentROI.Height = (int)Math.Round(mapHeight);
VisionMapCategory visionMapCategory;
// if roi out of image border
if (currentROI.OrgX + currentROI.Width >= eImage.Width ||
currentROI.OrgY + currentROI.Height >= eImage.Height ||
currentROI.OrgX < 0 ||
currentROI.OrgY < 0)
{
visionMapCategory = VisionMapCategory.OutOfBound;
}
else
{
visionMapCategory = CalculateMapCategory(currentROI, recipe);
}
BDMMapFromVision currentMap = new BDMMapFromVision()
{
mapCategory = visionMapCategory,
PointX = currentROI.OrgX,
PointY = currentROI.OrgY,
Width = mapWidth,
Height = mapHeight,
};
MapFromVisionList.Add(currentMap);
}
MapFromVisionListofList.Add(MapFromVisionList);
}
return(new MapDataFromVision()
{
MapsFromVision = MapFromVisionListofList,
});
}
