Add sun position algorithm

Author: mororo250

sandbox/settings/appleseed.studio.xml

@@ -10,6 +10,12 @@
         <parameter name="tile_ordering" value="spiral" />
     </parameters>
     <parameters name="ui">
+        <parameters name="file_dialog">
+            <parameters name="projects">
+                <parameter name="last_directory" value="C:\Users\joao_\OneDrive\Desktop\git\Appleaseed\appleseed\sandbox\tests\test scenes\sppm" />
+                <parameter name="selected_filter" value="Project Files (*.appleseed *.appleseedz)" />
+            </parameters>
+        </parameters>
         <parameters name="render_region">
             <parameter name="triggers_rendering" value="true" />
         </parameters>

src/appleseed/CMakeLists.txt

@@ -2181,6 +2181,8 @@ 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

src/appleseed/renderer/modeling/environmentedf/hosekenvironmentedf.cpp

@@ -39,6 +39,7 @@
 #include "renderer/modeling/input/inputarray.h"
 #include "renderer/modeling/input/source.h"
 #include "renderer/modeling/input/sourceinputs.h"
+#include "renderer/utility/solarpositionalgorithm.h"
 #include "renderer/utility/transformsequence.h"
 
 // appleseed.foundation headers.
@@ -133,6 +134,29 @@ namespace
             // Evaluate uniform values.
             m_inputs.evaluate_uniforms(&m_uniform_values);
 
+            spa_data test;
+            test.hour = m_params.get_optional<int>("hour", 12);
+            test.minute = m_params.get_optional<int>("minute", 0);
+            test.second = m_params.get_optional<int>("second", 0);
+            
+            test.year = m_params.get_optional<int>("year", 2020);
+            test.month = m_params.get_optional<int>("month", 1);
+            test.day = m_params.get_optional<int>("day", 1);
+            
+            test.timezone = 0;
+            test.longitude = m_params.get_optional<float>("longitude", 0);
+            test.latitude = m_params.get_optional<float>("latitude", 0);
+            
+            test.azm_rotation = 0.0;
+            test.elevation = 0.0;
+            
+            test.function = SPA_ZA;
+            
+            spa_calculate(&test);
+            
+            m_uniform_values.m_sun_theta = static_cast<float>(test.zenith);
+            m_uniform_values.m_sun_phi = static_cast<float>(test.azimuth);
+            
             // Compute the sun direction.
             m_sun_theta = deg_to_rad(m_uniform_values.m_sun_theta);
             m_sun_phi = deg_to_rad(m_uniform_values.m_sun_phi);

src/appleseed/renderer/modeling/environmentedf/ienvironmentedffactory.cpp

@@ -173,6 +173,142 @@ void IEnvironmentEDFFactory::add_common_sky_input_metadata(DictionaryArray& meta
             .insert("use", "optional")
             .insert("default", "0.0")
             .insert("help", "Shift the horizon vertically"));
+
+    metadata.push_back(
+        Dictionary()
+        .insert("name", "hour")
+        .insert("label", "hour")
+        .insert("type", "integer")
+        .insert("min",
+            Dictionary()
+            .insert("value", "0")
+            .insert("type", "hard"))
+        .insert("max",
+            Dictionary()
+            .insert("value", "24")
+            .insert("type", "hard"))
+        .insert("use", "optional")
+        .insert("default", "12")
+        .insert("help", "..."));
+
+    metadata.push_back(
+        Dictionary()
+        .insert("name", "minute")
+        .insert("label", "minute")
+        .insert("type", "integer")
+        .insert("min",
+            Dictionary()
+            .insert("value", "0")
+            .insert("type", "hard"))
+        .insert("max",
+            Dictionary()
+            .insert("value", "60")
+            .insert("type", "hard"))
+        .insert("use", "optional")
+        .insert("default", "0")
+        .insert("help", "..."));
+
+    metadata.push_back(
+        Dictionary()
+        .insert("name", "second")
+        .insert("label", "second")
+        .insert("type", "integer")
+        .insert("min",
+            Dictionary()
+            .insert("value", "0")
+            .insert("type", "hard"))
+        .insert("max",
+            Dictionary()
+            .insert("value", "60")
+            .insert("type", "hard"))
+        .insert("use", "optional")
+        .insert("default", "0")
+        .insert("help", "..."));
+
+    metadata.push_back(
+        Dictionary()
+        .insert("name", "year")
+        .insert("label", "year")
+        .insert("type", "integer")
+        .insert("min",
+            Dictionary()
+            .insert("value", "-2000")
+            .insert("type", "soft"))
+        .insert("max",
+            Dictionary()
+            .insert("value", "6000")
+            .insert("type", "soft"))
+        .insert("use", "optional")
+        .insert("default", "2020")
+        .insert("help", "..."));
+
+    metadata.push_back(
+        Dictionary()
+        .insert("name", "month")
+        .insert("label", "month ")
+        .insert("type", "integer")
+        .insert("min",
+            Dictionary()
+            .insert("value", "1")
+            .insert("type", "hard"))
+        .insert("max",
+            Dictionary()
+            .insert("value", "12")
+            .insert("type", "hard"))
+        .insert("use", "optional")
+        .insert("default", "1")
+        .insert("help", "..."));
+
+    metadata.push_back(
+        Dictionary()
+        .insert("name", "day")
+        .insert("label", "day")
+        .insert("type", "integer")
+        .insert("min",
+            Dictionary()
+            .insert("value", "1")
+            .insert("type", "hard"))
+        .insert("max",
+            Dictionary()
+            .insert("value", "31")
+            .insert("type", "hard"))
+        .insert("use", "optional")
+        .insert("default", "1")
+        .insert("help", "..."));
+
+    metadata.push_back(
+        Dictionary()
+        .insert("name", "longitude")
+        .insert("label", "longitude")
+        .insert("type", "numeric")
+        .insert("min",
+            Dictionary()
+            .insert("value", "-180.0")
+            .insert("type", "hard"))
+        .insert("max",
+            Dictionary()
+            .insert("value", "180.0")
+            .insert("type", "hard"))
+        .insert("use", "optional")
+        .insert("default", "0.0")
+        .insert("help", "..."));
+
+    metadata.push_back(
+        Dictionary()
+        .insert("name", "latitude")
+        .insert("label", "latitude")
+        .insert("type", "numeric")
+        .insert("min",
+            Dictionary()
+            .insert("value", "-90.0")
+            .insert("type", "hard"))
+        .insert("max",
+            Dictionary()
+            .insert("value", "90.0")
+            .insert("type", "hard"))
+        .insert("use", "optional")
+        .insert("default", "0")
+        .insert("help", "..."));
 }
 
 }   // namespace renderer