diff --git a/scenePyramid.py b/scenePyramid.py
index fdc2ca6607b57cce972c74966d615ad66d91534d..e21f9adbdd21badfa1441e41ec7cdfa66739810a 100644
--- a/scenePyramid.py
+++ b/scenePyramid.py
@@ -52,7 +52,7 @@ class ScenePyramid:
             'fullImageHeight': 0
         }
 
-    def __init__(self, view: QtWidgets.QGraphicsView, logger):
+    def __init__(self, view: QtWidgets.QGraphicsView, logger=None):
         # references to other objects
         self.view: QtWidgets.QGraphicsView = view
         self.scene = self.view.scene()
@@ -532,8 +532,6 @@ class ScenePyramid:
         :param fullimgsize:
         :return:
         """
-        self.preScanModeComplete = True
-
         self.fullImageWidth = current_full_image_width = fullimgsize[self.cvWidthIdx]
         self.fullImageHeight = current_full_image_height = fullimgsize[self.cvHeightIdx]
 
@@ -613,7 +611,7 @@ class ScenePyramid:
         :return:
         """
         tile_path = os.path.join(self.dataset.getTilePath(), f"tile_{slice_nr}_{i}_{j}.tif")
-        cv2imwrite_fix(tile_path, cv2.cvtColor(img, cv2.COLOR_RGB2BGR))
+        cv2imwrite_fix(tile_path, img)
 
         if slice_nr not in self.tileWorkingSets:
             self.tileWorkingSets[slice_nr] = {}
@@ -888,7 +886,7 @@ class ScenePyramid:
 
     def imageOut(self, img, name):
         path = os.path.join(self.dataset.getTilePath(), name)
-        cv2imwrite_fix(path, cv2.cvtColor(img, cv2.COLOR_RGB2BGR))
+        cv2imwrite_fix(path, img)
 
     def setTileOpacity(self, opacity):
         """
diff --git a/zlevelsetter.py b/zlevelsetter.py
index ad13d0140a3c34d4808c48b64e7760abe7f15ced..fbfcf1be08b49fa0440e8d2e497e4fa0c6afb64c 100644
--- a/zlevelsetter.py
+++ b/zlevelsetter.py
@@ -228,7 +228,7 @@ class ZLevelSetter(QtWidgets.QLabel):
         :return:
         """
         width = 400
-        height = 100 + self.numLevelsSpinbox.value()*30
+        height = 170 + self.numLevelsSpinbox.value()*23
         self.setFixedSize(width, height)
         self.sizeChanged.emit()