REFACT: Let LIA map in float32

The conversion to int16 will be done after orthorectofication

app/otbSARComputeLocalIncidenceAngle.cxx

@@ -63,7 +63,8 @@ public:
   using InputImageType          = otb::VectorImage<RealInputPixelType, 2>;
   // using OutputImageType         = otb::VectorImage<RealOutputPixelType, 2>;
   using OutputImageType         = otb::Image<RealOutputPixelType, 2>;
-  using LIAOutputImageType      = otb::Image<std::int16_t, 2>;
+  using LIAOutputImageType      = otb::Image<RealOutputPixelType, 2>;
+  // using LIAOutputImageType      = otb::Image<std::int16_t, 2>;
   using FilterType              = otb::SARComputeLocalIncidenceAngle<InputImageType, OutputImageType, LIAOutputImageType>;
 
   /** Standard macro */
@@ -96,8 +97,10 @@ private:
 
     AddParameter(ParameterType_OutputImage, k_out_lia, "Optional output image with abs(LIA) in degree * 100");
     SetParameterDescription(k_out_lia, "Optional output image with abs(LIA) in degree * 100");
-    SetParameterOutputImagePixelType(k_out_lia, ImagePixelType_int16);
-    // SetDefaultOutputPixelType(k_out_lia, ImagePixelType_uint16);
+    // SetParameterOutputImagePixelType(k_out_lia, ImagePixelType_int16);
+#if defined(DOUBLES_EVERYWHERE)
+    SetDefaultOutputPixelType(k_out_lia, ImagePixelType_double);
+#endif
     MandatoryOff(k_out_lia);
 
     AddParameter(ParameterType_OutputImage, k_out_sin, "Output image with abs(sin LIA)");