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+/* MaplySun.h
+ * WhirlyGlobe-MaplyComponent
+ *
+ * Created by Steve Gifford on 6/24/15.
+ * Copyright 2011-2022 mousebird consulting
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import <WhirlyGlobe/MaplyComponentObject.h>
+#import <WhirlyGlobe/WhirlyGlobeViewController.h>
+#import <WhirlyGlobe/MaplyLight.h>
+
+/**
+ Utility for calculating sun position and shading info.
+
+ This is a utility class that figures out where the sun is at a given date and provides positional information for lighting calculations.
+ */
+@interface MaplySun : NSObject
+
+/**
+ Initialize with a date.
+
+ Initialize with the given date. The sun position will correspond to that.
+ */
+- (nonnull instancetype)initWithDate:(NSDate *__nonnull)date;
+
+/// Return the vector corresponding to the sun location from the earth.
+- (MaplyCoordinate3d)getDirection;
+
+/// Makes up a light that corresponds to the sun's location at a given time
+- (nonnull MaplyLight *)makeLight;
+
+/// Returns the location above the globe in lon/lat. Yay geocentrism!
+- (MaplyCoordinate3d)asPosition;
+
+@end