ADD: Tiling options in app interface

app/otbLSGRM.cxx

@@ -36,6 +36,14 @@ public:
 
 private:
 
+  /* Tiling mode choice */
+  enum TilingMode
+  {
+    TILING_AUTO,
+    TILING_USER,
+    TILING_NONE
+  };
+
   void DoInit()
   {
   SetName("GenericRegionMerging");
@@ -79,6 +87,7 @@ private:
   AddParameter(ParameterType_Int, "tiling.user.sizey", "Tiles height");
   AddParameter(ParameterType_Int, "tiling.user.nfirstiter", "Number of first iterations");
   AddParameter(ParameterType_Int, "tiling.user.memory", "Available memory");
+  AddChoice("tiling.none", "No tiling layout");
   }
 
   void DoUpdateParameters()
@@ -106,19 +115,29 @@ private:
     controller.SetInputImage(inputImage);
     controller.SetTemporaryDirectory(GetParameterAsString("tmpdir"));
 
-    // Memory configuration
-    if (GetParameterInt("tiling") == 0)
+    // Tiling mode
+    int inputTilingMode = GetParameterInt("tiling");
+    if (inputTilingMode == TILING_AUTO)
       {
-      controller.SetInternalMemoryAvailable(0);  // 0 = automatic
+      controller.SetTilingModeAuto();
       }
-    else
+    else if (inputTilingMode == TILING_USER)
       {
       // User
+      controller.SetTilingModeUser();
       controller.SetTileWidth(GetParameterInt("tiling.user.sizex"));
       controller.SetTileHeight(GetParameterInt("tiling.user.sizey"));
       controller.SetNumberOfFirstIterations(GetParameterInt("tiling.user.nfirstiter"));
       controller.SetInternalMemoryAvailable(GetParameterInt("tiling.user.memory"));
       }
+    else if (inputTilingMode == TILING_NONE)
+      {
+      controller.SetTilingModeNone();
+      }
+    else
+      {
+      otbAppLogFATAL("Unknow input tiling mode!");
+      }
 
     // MPI configuration
 #ifdef OTB_USE_MPI
@@ -138,6 +157,7 @@ private:
     controller.SetNumberOfIterations(GetParameterInt("niter"));
 
     // Run the segmentation
+    controller.SetDebug(true);
     controller.RunSegmentation();
 
     // Output images