--- a
+++ b/(1) PyTorch_HistoNet/params/dirs.py
@@ -0,0 +1,25 @@
+import os
+
+
+class dirs:
+
+    # init
+    def __init__(self, dirWorkspaceOrig, dirWorkspaceTest, dbname, csvFile, ROI):
+        self.dirWorkspaceOrig = dirWorkspaceOrig
+        self.dirWorkspaceTest = dirWorkspaceTest
+        self.dbname = dbname
+        self.ROI = ROI
+        self.csvFile = csvFile
+        if not os.path.exists(self.dirWorkspaceTest):
+            os.mkdir(self.dirWorkspaceTest)
+
+    def computeDirs(self):
+        dirDbOrig = self.dirWorkspaceOrig + self.dbname + '/' + self.ROI + '/'
+        dirDbTest = self.dirWorkspaceTest + self.dbname + '_' + self.ROI + '/'
+        dirOutTrainTest = dirDbTest + 'datastore_trainTest/'
+        return dirDbOrig, dirDbTest, dirOutTrainTest
+
+    def getCSVfileFull(self):
+        csvFileFull = self.dirWorkspaceOrig + self.dbname + '/' + self.csvFile
+        return csvFileFull
+