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Once the have the data loaded we pass it into this function which identifies if there is an error.
public static bool IsEverythingFine(List<SubPicture> subPictures)
{
const int tolerance = 100;
var labels = subPictures.Where(sp => sp.Label.Contains("label")).ToList();
var maxItemY = subPictures.Except(labels).Min(i => i.TopLeft.Y);
foreach (var label in labels.ToArray())
{
if (label.TopLeft.Y < maxItemY)
{
labels.Remove(label);
}
}
var boundries = new List<int>();
var boundriesDict = new Dictionary<int, List<SubPicture>>();
foreach (var label in labels)
{
var labelY = label.TopLeft.Y;
if (!boundries.Any())
{
boundries.Add(labelY);
boundriesDict[labelY] = new List<SubPicture>() { label };
}
var found = false;
foreach (var boundry in boundries)
{
//if slightly upper
if (labelY <= boundry && labelY + tolerance >= boundry)
{
//we are in the clear
boundriesDict[boundry].Add(label);
found = true;
break;
}
//if slightly lower
if (labelY >= boundry && labelY - tolerance <= boundry)
{
//we are in the clear
boundriesDict[boundry].Add(label);
found = true;
break;
}
}
if (!found)
{
//not anywhere near
boundries.Add(labelY);
boundriesDict[labelY] = new List<SubPicture>() { label };
}
}
boundries = boundries.OrderBy(b => b).ToList();
var rowsWithItems = new Dictionary<int, List<SubPicture>>();
foreach (var boundry in boundries)
{
rowsWithItems.Add(boundry, new List<SubPicture>());
}
foreach (var boundtyKvp in boundriesDict)
{
foreach (var boundry in boundtyKvp.Value)
{
rowsWithItems[boundtyKvp.Key].Add(boundry);
}
}
foreach (var item in subPictures.Except(labels))
{
if (boundries.Count > 1)
{
for (int i = 0; i < boundries.Count - 1; i++)
{
if (item.TopLeft.Y >= boundries[i] && item.TopLeft.Y <= boundries[i + 1])
{
rowsWithItems[boundries[i]].Add(item);
break;
}
}
}
else
{
if (item.TopLeft.Y <= boundries[0])
{
rowsWithItems[boundries[0]].Add(item);
}
}
}
foreach (var row in rowsWithItems)
{
var checkedLabels = new HashSet<string>();
var items = row.Value.OrderBy(i => i.TopLeft.X).ToList();
var currentGroupLabel = items[0].Label.Replace("label_", "");
checkedLabels.Add(currentGroupLabel);
for (int i = 1; i < items.Count; i++)
{
var current = items[i];
var currentLabel = current.Label;
if (currentLabel.Contains("label_"))
{
currentLabel = currentLabel.Replace("label_", "");
}
if (currentLabel != currentGroupLabel)
{
if (checkedLabels.Contains(currentLabel))
{
return false;
}
currentGroupLabel = currentLabel;
}
}
}
var itemsNames = subPictures.Except(labels).Select(i => i.Label).Distinct().ToHashSet();
foreach (var label in labels)
{
var labelName = label.Label.Replace("label_", "");
if (!itemsNames.Contains(labelName))
{
return false;
}
}
return true;
}
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