maker/UVtools
1
0
Fork 0
mirror of https://github.com/riegera2412/UVtools.git synced 2026-07-09 01:52:32 +02:00
Code Issues Packages Projects Releases Wiki Activity

More contour utility

Browse Source
This commit is contained in:
Tiago Conceição
2021-09-13 01:37:19 +01:00
parent a1009671b7
commit 553d74d920
2 changed files with 30 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files
UVtools.Core/EmguCV/EmguContours.cs
+29 -1
View File
@@ -108,6 +108,33 @@ namespace UVtools.Core.EmguCV
return result;
}
/// <summary>
/// Gets contours that are positive pixels and group them by areas
/// Only compatible with Tree type of contour detection
/// </summary>
/// <returns></returns>
public static List<VectorOfVectorOfPoint> GetPositiveContoursInGroups(VectorOfVectorOfPoint contours, int[,] hierarchy)
{
var result = new List<VectorOfVectorOfPoint>();
var vectorSize = contours.Size;
var processedContours = new bool[vectorSize];
for (int i = 0; i < vectorSize; i++)
{
if (processedContours[i]) continue;
processedContours[i] = true;
var index = result.Count;
result.Add(new VectorOfVectorOfPoint(contours[i]));
for (int n = i + 1; n < vectorSize; n++)
{
if (processedContours[n] || hierarchy[n, EmguContour.HierarchyParent] != i) continue;
processedContours[n] = true;
result[index].Push(contours[n]);
}
}
return result;
}
/// <summary>
/// Gets contours inside contours that are black pixels and group them by areas
/// Only compatible with Tree type of contour detection
@@ -123,12 +150,13 @@ namespace UVtools.Core.EmguCV
if (processedContours[i]) continue;
processedContours[i] = true;
if (hierarchy[i, EmguContour.HierarchyParent] == -1) continue;
var index = result.Count;
result.Add(new VectorOfVectorOfPoint(contours[i]));
for (int n = i + 1; n < vectorSize; n++)
{
if (processedContours[n] || hierarchy[n, EmguContour.HierarchyParent] != i) continue;
processedContours[n] = true;
result[^1].Push(contours[n]);
result[index].Push(contours[n]);
}
}
UVtools.WPF/MainWindow.LayerPreview.cs
+1 -16
View File
@@ -1214,22 +1214,7 @@ namespace UVtools.WPF
using var vec = EmguContours.GetContoursInside(LayerCache.LayerContours, LayerCache.LayerContourHierarchy, operation.Location);
if (vec.Size > 0) CvInvoke.DrawContours(LayerCache.ImageBgr, vec, -1, new MCvScalar(color.B, color.G, color.R), -1);
/*var hollowGroups = new List<VectorOfVectorOfPoint>();
var processedContours = new bool[LayerCache.LayerContours.Size];
for (int i = 0; i < LayerCache.LayerContours.Size; i++)
{
if(processedContours[i]) continue;
processedContours[i] = true;
if (LayerCache.LayerContourHierarchy[i, EmguContour.HierarchyParent] == -1) continue;
hollowGroups.Add(new VectorOfVectorOfPoint(LayerCache.LayerContours[i]));
for (int n = i + 1; n < LayerCache.LayerContours.Size; n++)
{
if (processedContours[n] || LayerCache.LayerContourHierarchy[n, EmguContour.HierarchyParent] != i) continue;
processedContours[n] = true;
hollowGroups[^1].Push(LayerCache.LayerContours[n]);
}
}
/*var hollowGroups = EmguContours.GetPositiveContoursInGroups(LayerCache.LayerContours, LayerCache.LayerContourHierarchy);
foreach (var vec in hollowGroups)
{