diff --git a/atlasview/atlasview.py b/atlasview/atlasview.py
index efb8d18..69b2675 100644
--- a/atlasview/atlasview.py
+++ b/atlasview/atlasview.py
@@ -261,7 +261,7 @@ class ControllerTopView(PgImageController):
     """
     TopView ControllerTopView
     """
-    def __init__(self, qmain: TopView, res: int = 25, volume='image', brainmap='Allen'):
+    def __init__(self, qmain: TopView, res: int = 25, volume='image'):
         super(ControllerTopView, self).__init__(qmain)
         self.volume = volume
         self.atlas = AllenAtlas(res)
@@ -363,9 +363,20 @@ class ImageLayer:
 
 
 def view(res=25, title=None, brainmap='Allen'):
-    """
-    """
+    """ application entry point """
     qt.create_app()
     av = TopView._get_or_create(title=title, res=res, brainmap=brainmap)
     av.show()
     return av
+
+
+def main():
+    """ application entry point """
+    app = QtWidgets.QApplication([])
+    w = TopView()
+    w.show()
+    app.exec_()
+
+
+if __name__ == "__main__":
+    main()
diff --git a/atlasview/launcher.py b/atlasview/launcher.py
index fecbabb..d45c3b8 100644
--- a/atlasview/launcher.py
+++ b/atlasview/launcher.py
@@ -6,7 +6,7 @@
 
 """ Roadmap
     - swap volumes combox (label RGB option / density)
-    - overlay brain regions with transparency
+    - overlay brain regions with transparencye
     - overlay volumes (for example coverage with transparency)
     - overlay plots: probes channels
     - tilted slices
diff --git a/needles2/__init__.py b/needles2/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/setup.py b/setup.py
index ef3f9ee..fcc00a5 100644
--- a/setup.py
+++ b/setup.py
@@ -8,5 +8,10 @@
     version='0.1',
     packages=find_packages(),
     include_package_data=True,
-    install_requires=require
+    install_requires=require,
+    entry_points={
+        'console_scripts': [
+            'atlas=atlasview.atlasview:main',
+        ]
+    },
 )