Sun position algorithm

src/appleseed.python/CMakeLists.txt

@@ -106,6 +106,7 @@ set (sources
     bindshadercompiler.cpp
     bindshadergroup.cpp
     bindshaderquery.cpp
+    bindsunpositioner.cpp
     bindsurfaceshader.cpp
     bindtexture.cpp
     bindtilecallback.cpp

src/appleseed.python/bindsunpositioner.cpp

@@ -0,0 +1,75 @@
+
+//
+// This source file is part of appleseed.
+// Visit https://appleseedhq.net/ for additional information and resources.
+//
+// This software is released under the MIT license.
+//
+// Copyright (c) 2020 Joao Marcos Costa, The appleseedhq Organization
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+//
+
+// appleseed.python headers.
+#include "bindentitycontainers.h"
+#include "dict2dict.h"
+#include "metadata.h"
+
+// appleseed.renderer header.
+#include "renderer/utility/solarpositionalgorithm.h"
+
+// appleseed.foundation headers.
+#include "foundation/platform/python.h"
+
+namespace bpy = boost::python;
+using namespace foundation;
+using namespace renderer;
+
+namespace
+{
+    auto_release_ptr<SunPositioner> create_sun_positioner(const bpy::dict& params)
+    {
+        return SunPositionerFactory::create("Sun Positioner", bpy_dict_to_param_array(params));
+    }
+
+    void compute_sun_position(SunPositioner* sun_position)
+    {
+        sun_position->fetch_data();
+        sun_position->compute_sun_position();
+    }
+
+    bpy::list get_input_metadata()
+    {
+        return dictionary_array_to_bpy_list(SunPositionerFactory::get_input_metadata());
+    }
+}
+
+void bind_sun_positioner()
+{
+    bpy::class_<SunPositioner, auto_release_ptr<SunPositioner>, bpy::bases<Entity>, boost::noncopyable>("SunPositioner", bpy::no_init)
+        .def("get_input_metadata", get_input_metadata).staticmethod("get_input_metadata")
+        .def("__init__", bpy::make_constructor(create_sun_positioner))
+        .def("compute_sun_position", compute_sun_position)
+
+        .def("get_zenith", &SunPositioner::get_zenith)
+        .def("get_azimuth", &SunPositioner::get_azimuth)
+        .def("get_solar_noon", &SunPositioner::get_solar_noon)
+        .def("get_sunrise", &SunPositioner::get_sunrise)
+        .def("get_sunset", &SunPositioner::get_sunset);
+}

src/appleseed.python/module.cpp

@@ -66,6 +66,7 @@ void bind_scene();
 void bind_shader_compiler();
 void bind_shader_group();
 void bind_shader_query();
+void bind_sun_positioner();
 void bind_surface_shader();
 void bind_texture();
 void bind_tile_callback();
@@ -132,6 +133,7 @@ extern "C" void bind_appleseed_python_classes()
     bind_fresnel();
     bind_display();
     bind_project();
+    bind_sun_positioner();
 
     bind_renderer_controller();
     bind_tile_callback();

src/appleseed/CMakeLists.txt

@@ -2187,6 +2187,8 @@ set (renderer_utility_sources
     renderer/utility/settingsparsing.cpp
     renderer/utility/settingsparsing.h
     renderer/utility/shadowterminator.h
+    renderer/utility/solarpositionalgorithm.cpp
+    renderer/utility/solarpositionalgorithm.h
     renderer/utility/spectrumclamp.h
     renderer/utility/stochasticcast.h
     renderer/utility/testutils.cpp