[examples] Simplify use of ImGui (#525)

* [examples] Simplify use of ImGui

* Fix liver-scriptcontroller

---------

Co-authored-by: Paul Baksic <[email protected]>

Author: hugtalbot

examples/basic-addGUI.py

@@ -4,7 +4,7 @@
 def main():
     # Required import for python
     import Sofa
-    import SofaRuntime
+    import SofaImGui
 
     #Create the root node
     root = Sofa.Core.Node("root")
@@ -16,8 +16,8 @@ def main():
         for iteration in range(10):
             Sofa.Simulation.animate(root, root.dt.value)
     else:
+        # Required import to manage the GUI
         import Sofa.Gui
-        SofaRuntime.importPlugin("SofaImGui")
 
         # Find out the supported GUIs
         print ("Supported GUIs are: " + Sofa.Gui.GUIManager.ListSupportedGUI(","))

examples/basic-useQtGUI.py

@@ -4,7 +4,6 @@
 def main():
     # Required import for python
     import Sofa
-    import SofaRuntime
 
     # Make sure to load all SOFA libraries
 
@@ -19,7 +18,7 @@ def main():
             Sofa.Simulation.animate(root, root.dt.value)
     else:
         import Sofa.Gui
-        import SofaQt
+        import SofaQt # specific import for Qt-based GUI
 
         # Find out the supported GUIs
         print ("Supported GUIs are: " + Sofa.Gui.GUIManager.ListSupportedGUI(","))

examples/emptyController.py

@@ -102,9 +102,8 @@ def createScene(root):
 
 
 def main():
-    import SofaRuntime
+    import SofaImGui
     import Sofa.Gui
-    SofaRuntime.importPlugin("SofaImGui")
 
     root=Sofa.Core.Node("root")
     createScene(root)

examples/emptyDataEngine.py

@@ -31,9 +31,8 @@ def createScene(root):
 
 
 def main():
+    import SofaImGui
     import Sofa.Gui
-    import SofaRuntime
-    SofaRuntime.importPlugin("SofaImGui")
 
     root=Sofa.Core.Node("root")
     createScene(root)

examples/emptyForceField.py

@@ -56,9 +56,8 @@ def createScene(root):
 
 
 def main():
-    import SofaRuntime
+    import SofaImGui
     import Sofa.Gui
-    SofaRuntime.importPlugin("SofaImGui")
 
     root=Sofa.Core.Node("root")
     createScene(root)

examples/example-forcefield.py

@@ -58,9 +58,8 @@ def createScene(root):
 
 
 def main():
-    import SofaRuntime
+    import SofaImGui
     import Sofa.Gui
-    SofaRuntime.importPlugin("SofaImGui")
 
     root=Sofa.Core.Node("root")
     createScene(root)

examples/liver-scriptcontroller.py

@@ -1,4 +1,3 @@
-# Required import for python
 import Sofa
 
 
@@ -7,8 +6,11 @@
 
 
 def main():
-    import SofaRuntime
+    # Required import for python
+    import Sofa
     import Sofa.Gui
+    import SofaImGui
+
 
     root = Sofa.Core.Node("root")
     createScene(root)
@@ -18,7 +20,6 @@ def main():
         for iteration in range(10):
             Sofa.Simulation.animate(root, root.dt.value)
     else:
-        SofaRuntime.importPlugin("SofaImGui")
         Sofa.Gui.GUIManager.Init("myscene", "imgui")
         Sofa.Gui.GUIManager.createGUI(root, __file__)
         Sofa.Gui.GUIManager.SetDimension(1080, 1080)

examples/liver.py

@@ -1,14 +1,10 @@
-# Required import for python
-import Sofa
-
-
 # Choose in your script to activate or not the GUI
 USE_GUI = True
 
-
 def main():
-    import SofaRuntime
-    import Sofa.Gui
+    # Required import for python
+    import Sofa
+    import SofaImGui
 
     root = Sofa.Core.Node("root")
     createScene(root)
@@ -18,7 +14,7 @@ def main():
         for iteration in range(10):
             Sofa.Simulation.animate(root, root.dt.value)
     else:
-        SofaRuntime.importPlugin("SofaImGui")
+        import Sofa.Gui
         Sofa.Gui.GUIManager.Init("myscene", "imgui")
         Sofa.Gui.GUIManager.createGUI(root, __file__)
         Sofa.Gui.GUIManager.SetDimension(1080, 1080)

examples/loadXMLfromPython.py

@@ -29,7 +29,7 @@ def createScene(root):
 
 
 def main():
-	import SofaRuntime
+	import SofaImGui
 	import Sofa.Gui
 
 	root = Sofa.Core.Node("root")
@@ -39,7 +39,6 @@ def main():
 	# Find out the supported GUIs
 	print ("Supported GUIs are: " + Sofa.Gui.GUIManager.ListSupportedGUI(","))
 	# Launch the GUI (imgui is now by default, to use Qt please refer to the example "basic-useQtGui.py")
-	SofaRuntime.importPlugin("SofaImGui")
 	Sofa.Gui.GUIManager.Init("myscene", "imgui")
 	Sofa.Gui.GUIManager.createGUI(root, __file__)
 	Sofa.Gui.GUIManager.SetDimension(1080, 1080)