[gegl] workshop: limit minimum neighbors for inpainting to 4, increase number of rings in feature detector

[Øyvind "pippin" Kolås <ok src gnome org>]

commit 1415a1f2a3da9c811f9898b2e1c90633b76320cb
Author: Øyvind Kolås <pippin gimp org>
Date:   Sat Jun 29 02:15:31 2019 +0200

    workshop: limit minimum neighbors for inpainting to 4, increase number of rings in feature detector to 4

 operations/workshop/inpaint.c      | 2 +-
 operations/workshop/pixel-duster.h | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/operations/workshop/inpaint.c b/operations/workshop/inpaint.c
index 496705c31..7c7866070 100644
--- a/operations/workshop/inpaint.c
+++ b/operations/workshop/inpaint.c
@@ -30,7 +30,7 @@ property_int (seek_distance, "seek radius", 30)
   value_range (4, 512)
 
 property_int (min_neigh, "min neigh", 2)
-  value_range (1, 10)
+  value_range (1, 4)
 
 property_int (min_iter, "min iter", 100)
   value_range (1, 512)
diff --git a/operations/workshop/pixel-duster.h b/operations/workshop/pixel-duster.h
index 8a5b09c43..fc844c755 100644
--- a/operations/workshop/pixel-duster.h
+++ b/operations/workshop/pixel-duster.h
@@ -79,8 +79,8 @@ typedef struct
 
 #define MAX_K                   4
 
-#define RINGS                   3   // increments works up to 7-8 with no adver
-#define RAYS                    8   // good values for testing 6 8 10 12 16
+#define RINGS                   4   // increments works up to 7-8 with no adver
+#define RAYS                    12   // good values for testing 6 8 10 12 16
 #define NEIGHBORHOOD            (RINGS*RAYS+1)