switch root namespace name to NITLOAD

src/Nitload.Mathematics/Geometries/Coordination/CoordinationBase.cs

@@ -0,0 +1,56 @@
+// -----------------------------------------------------------------------------
+// file="CoordinationBase"
+// Project: StgSharp
+// Copyright (c) Nitload.
+// SPDX-License-Identifier: MIT
+// -----------------------------------------------------------------------------
+
+using Nitload.Mathematics.Numeric.Graphics;
+
+using System.Runtime.CompilerServices;
+
+namespace Nitload.Geometries
+{
+    public abstract class CoordinationBase
+    {
+
+        private bool globalCoordAvailable;
+        private CoordinationBase localCoordination;
+        private GraphicsMatrix coordMat;
+
+        public CoordinationBase(
+               CoordinationBase localCoordination
+        )
+        {
+            this.localCoordination = localCoordination;
+            coordMat = new GraphicsMatrix();
+        }
+
+        public virtual Point LocalOrigin
+        {
+            get => new Point(coordMat.column[3].XYZ);
+            internal set => coordMat.column[3].XYZ = value.Coord;
+        }
+
+        public virtual Vec3 LocalX
+        {
+            get => coordMat.column[3].XYZ;
+            internal set => coordMat.column[3].XYZ = value;
+        }
+
+        public virtual Vec3 LocalY
+        {
+            get => coordMat.column[3].XYZ;
+            internal set => coordMat.column[3].XYZ = value;
+        }
+
+        public virtual Vec3 LocalZ
+        {
+            get => coordMat.column[3].XYZ;
+            set => coordMat.column[3].XYZ = value;
+        }
+
+        protected ref GraphicsMatrix CoordMat => ref coordMat;
+
+    }
+}

src/Nitload.Mathematics/Geometries/Coordination/PlainCoordinate.cs

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+// -----------------------------------------------------------------------------
+// file="PlainCoordinate"
+// Project: StgSharp
+// Copyright (c) Nitload.
+// SPDX-License-Identifier: MIT
+// -----------------------------------------------------------------------------
+
+using Nitload.Mathematics;
+using Nitload.Mathematics.Numeric.Graphics;
+
+using System;
+using System.Collections.Generic;
+using System.Net.Http.Headers;
+using System.Text;
+
+namespace Nitload.Geometries
+{
+    public class PlainCoordinate : CoordinationBase
+    {
+
+        public PlainCoordinate(
+               CoordinationBase local,
+               Point origin,
+               Vec3 xAxis,
+               Vec3 yAxis
+        )
+            : base(local)
+        {
+            CoordMat = GraphicsMatrix.Unit;
+
+            CoordMat.column[0] = new Vec4(xAxis, 0);
+            CoordMat.column[1] = new Vec4(yAxis, 0);
+            CoordMat.column[2] = new Vec4(Linear.Normalize(Vec3.Cross(xAxis, yAxis)), 0);
+
+            LocalOrigin = origin;
+        }
+
+        public static PlainCoordinate StandardPlainCoordination { get; } = new(null,
+                                                                               new Point(0, 0, 0),
+                                                                               new Vec3(1, 0, 0),
+                                                                               new Vec3(0, 1, 0));
+
+    }
+}

src/Nitload.Mathematics/Geometries/Coordination/SpaceCoordinate.cs

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+// -----------------------------------------------------------------------------
+// file="SpaceCoordinate"
+// Project: StgSharp
+// Copyright (c) Nitload.
+// SPDX-License-Identifier: MIT
+// -----------------------------------------------------------------------------
+
+using Nitload.Mathematics;
+using Nitload.Mathematics.Numeric.Graphics;
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Nitload.Geometries
+{
+    public class SpaceCoordinate : CoordinationBase
+    {
+
+        public SpaceCoordinate(
+               CoordinationBase localCoordination,
+               Point origin,
+               Vec3 xAxis,
+               Vec3 yAxis,
+               Vec3 zAxis
+        )
+            : base(localCoordination) { }
+
+    }
+}

src/Nitload.Mathematics/Geometries/Coordination/StreamLocalCoordinate.cs

@@ -0,0 +1,23 @@
+// -----------------------------------------------------------------------------
+// file="StreamLocalCoordinate"
+// Project: StgSharp
+// Copyright (c) Nitload.
+// SPDX-License-Identifier: MIT
+// -----------------------------------------------------------------------------
+
+using Nitload.Mathematics;
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Nitload.Geometries
+{
+    /*
+    public class StreamLocalCoordinate : CoordinationBase
+    {
+    }
+    /**/
+}