add VegetationLayer

GeoRasterBlueprint/Model/Bison.cs

@@ -34,6 +34,9 @@ public class Bison : IAgent<LandscapeLayer>, IPositionable, IAnimalAgent {
     [PropertyDescription(Name = "Perimeter")]
     public Perimeter Perimeter { get; set; }
 
+    [PropertyDescription(Name = "VegetationLayer")]
+    public VegetationLayer VegetationLayer { get; set; }
+
     public Guid ID { get; set; }
     private int HoursWithoutWater { get; set; }
     private int HoursWithoutFood { get; set; }
@@ -53,6 +56,7 @@ public class Bison : IAgent<LandscapeLayer>, IPositionable, IAnimalAgent {
     public const double MaxSatiety = 100.0;
     public const double DehydrationRate = 20.0;
     public const double StarvationRate = 1.5;
+    private int TickSearchForFood = 10;
     public const double HoursToDeathWithoutWater = MaxHydration / DehydrationRate;
     public const double HoursToDeathWithoutFood = MaxSatiety / StarvationRate;
     public const int MaxAge = 175200; // Maximum age in hours (20 years)
@@ -78,6 +82,11 @@ public void Init(LandscapeLayer landscapeLayer) {
     public void Tick() {
         UpdateState();
         MoveToWaterSource();
+        if (Satiety < 40) {
+            if (LandscapeLayer.GetCurrentTick() % TickSearchForFood == 0) {
+                SearchForFood();
+            }
+        }
         // if (Age >= MaxAge) {
         //     DieOfOldAge();
         // } else {
@@ -135,6 +144,29 @@ private void MoveToWaterSource() {
         }
     }
 
+    private void SearchForFood() {
+        if (VegetationLayer.IsPointInside(Position)) {
+            var all = VegetationLayer.Explore(Position, double.MaxValue, 4);
+            var res = all.OrderBy(a => a.Node.Value).Last();
+            if (res.Node?.NodePosition != null) {
+
+                var targetX = res.Node.NodePosition.X;
+                var targetY = res.Node.NodePosition.Y;
+
+                var targetLon = VegetationLayer.LowerLeft.X +
+                                targetX * VegetationLayer.CellWidth;
+                var targetLat = VegetationLayer.LowerLeft.Y +
+                                targetY * VegetationLayer.CellHeight;
+
+                Target = new Position(targetLon, targetLat);
+
+                if (Perimeter.IsPointInside(Target)) {
+                    _bearing = Position.GetBearing(Target);
+                }
+            }
+        }
+    }
+
     public void DieOfOldAge() {
         throw new NotImplementedException();
     }

GeoRasterBlueprint/Model/Perimeter.cs

@@ -17,4 +17,4 @@ public class Perimeter : VectorLayer {
     public bool IsPointInside(Position coordinate) {
         return Extent.Contains(coordinate.X, coordinate.Y);
     }
-}
+}    

GeoRasterBlueprint/Model/VegetationLayer.cs

@@ -0,0 +1,15 @@
+using System;
+using Mars.Components.Layers;
+using Position = Mars.Interfaces.Environments.Position;
+
+namespace GeoRasterBlueprint.Model;
+
+/// <summary>
+///     This raster layer provides information about biomass of animals etc.
+/// </summary>
+/// 
+public class VegetationLayer : RasterLayer {
+    public bool IsPointInside(Position coordinate) {
+        return Extent.Contains(coordinate.X, coordinate.Y) && Math.Abs(GetValue(coordinate)) > 0.0;
+    }
+}

GeoRasterBlueprint/Program.cs

@@ -17,6 +17,7 @@ public static void Main(string[] args) {
         description.AddLayer<LandscapeLayer>();
         description.AddLayer<Perimeter>();
         description.AddLayer<WaterLayer>();
+        description.AddLayer<VegetationLayer>();
         description.AddLayer<TemperatureLayer>();
 
         description.AddAgent<Bison, LandscapeLayer>();

GeoRasterBlueprint/config.json

@@ -2,7 +2,7 @@
   "globals": {
     "deltaT": 1,
     "startPoint": "2018-11-18T00:00:00",
-    "endPoint": "2023-11-18T16:00:00",
+    "endPoint": "2019-11-18T16:00:00",
     "deltaTUnit": "hours",
     "console": true,
     "output": "csv",
@@ -20,6 +20,10 @@
       "name":"WaterLayer",
       "file":"Resources/einp_water_spots.geojson"
     },
+    {
+      "name": "VegetationLayer",
+      "file": "Resources/ndvi_apr_23.asc"
+    },
     {
       "name": "TemperatureLayer",
       "file": "Resources/open-meteo-53.60N112.93W736m.csv"