Index: QmitkPropertyDelegate.cpp
===================================================================
--- QmitkPropertyDelegate.cpp	(revision 19441)
+++ QmitkPropertyDelegate.cpp	(working copy)
@@ -94,6 +94,7 @@
     {
       QSpinBox* spinBox = new QSpinBox(parent);
       spinBox->setSingleStep(1);
+      spinBox->setRange(-100000,100000);
       return spinBox;
     }
     // see qt documentation. cast is correct, it would be obsolete if we 
@@ -101,13 +102,17 @@
     else if(static_cast<QMetaType::Type>(data.type()) == QMetaType::Float)
     {
       QDoubleSpinBox* spinBox = new QDoubleSpinBox(parent);
-      spinBox->setDecimals(2);
-      spinBox->setSingleStep(0.1);
       if(name == "opacity")
       {
+        spinBox->setDecimals(2);
+        spinBox->setSingleStep(0.1);
         spinBox->setMinimum(0.0);
         spinBox->setMaximum(1.0);
       }
+      else
+      {
+        spinBox->setMaximum(100000);
+      }
       
       return spinBox;
     }