Reworked distance info algo

Examples/ReportGenerator/ReportGenerator.cs

@@ -39,7 +39,55 @@ public class ReportGenerator : IDisposable
   {
     Document.AppendHeading(2, title);
 
-    // todo show best/worst images per processor
+    var processors = new Dictionary<string, ICollection<ImageStats>>();
+    foreach (var image in Images)
+    {
+      foreach (var processor in image.Processors)
+      {
+        if (processors.TryGetValue(processor.Name, out var images))
+        {
+          images.Add(image);
+        }
+        else
+        {
+          processors.Add(processor.Name, new List<ImageStats> { image });
+        }
+      }
+    }
+
+    foreach (var (processor, images) in processors)
+    {
+      var ordered = images
+        .Select(i => (Stats: i, Distance: i
+            .Processors
+            .Where(p => p.Name.Equals(processor))
+            .Select(p => p.Distance)
+            .Average()
+          ))
+        .OrderBy(i => i.Distance)
+        .ToArray();
+
+      Document
+        .AppendHeading(3, processor)
+        .AppendTable(2, table =>
+          {
+            table.AppendHeader(new[] { "Image", "Preview", "Distance" });
+
+            foreach (var (stats, distance) in ordered)
+            {
+              var imgPath = Path.Combine("results", $"{processor}.00.{stats.ImageName}.png");
+
+              table.AppendRow(new[]
+              {
+                $"<a href=\"#{stats.ImageName}\">{stats.ImageName}</a>",
+                Document.FormatImage(imgPath, new Bounds(0, 150)),
+                distance.ToString("F2")
+              });
+            }
+          }
+        );
+    }
+
     return this;
   }
 
@@ -75,10 +123,15 @@ public class ReportGenerator : IDisposable
             {
               var imgPath = Path.Combine("results", $"{processor.Name}.00.{stat.ImageName}.png");
 
+              string summarizedCer = string.Empty;
+              summarizedCer = processor.Words
+                .Average(s => s.Distance)
+                .ToString("F2");
+
               table.AppendRow(processor.Words
                 .Select(s => s.ToString() ?? string.Empty)
                 .Prepend(Document.FormatImage(imgPath, new Bounds(0, 150)))
-                .Prepend(processor.Words.Average(s => s.Distance).ToString("F2"))
+                .Prepend(summarizedCer)
                 .Prepend($"{processor.Distance * 100:F1}%")
                 .Prepend($"{processor.ProcessingTime * 1000:F1}ms")
                 .Prepend(processor.Name)