Beispiel #1
0
 public SpacecraftState(Spacecraft sc)
 {
     this._kepler_orbit = sc.getKeplerOrbit();
     this._initial_orientation = sc.getInitialOrientation();
     this._orientation_transition = sc.getOrientationTransition();
     this.orientation_given = sc.isOrientationGiven();
     this._fixed_position = sc._fixed_position;
     this.fixedPositionGiven = sc.fixedPositionGiven;
 }
Beispiel #2
0
 public void setBatchSet(double time, Vector3D pos)
 {
     Spacecraft sc = new Spacecraft();
     sc.setStateVectors(pos, new Vector3D(0, 0, 0));
     this.spacecrafts.Add(sc);
 }
Beispiel #3
0
 public void setBatchSet(double time, Vector3D pos, Quaternion orientation)
 {
     Spacecraft sc = new Spacecraft();
     sc.setPosition(pos);
     if (orientation.Norm() > 0)
     {
         sc.setOrientation(orientation);
     }
     sc.setFixedTime(time);
     this.spacecrafts.Add(sc);
 }
Beispiel #4
0
        public void doCalculationsLogic(Spacecraft sc, double time)
        {
            int step = sc.addSpacecraftState(time);
            SpacecraftState scState = sc.getSpacecraftState(step);

            double simTime = sc.getSpacecraftState(step).getTime();
            Vector3D position = sc.getSpacecraftState(step).getPosition();
            Vector3D sun_position = sc.getSpacecraftState(step).getSunPosition();
            Quaternion orientation = sc.getSpacecraftState(step).getOrientation();

            Console.WriteLine("  Simulation time point #" + this.loopCount.ToString("D5") + ": " + simTime + " MJD (" + tools.MJDtoUTC(simTime).ToString("s") + " UTC)");
            Console.WriteLine("  --------------------------------------------------------------------------------------------------------------");
            Console.WriteLine();
            Console.WriteLine("    Calculating spacecraft position at given simulation time...");
            Console.WriteLine("      Result:");
            Console.WriteLine("        x = " + position.x().ToString(Program.scientificFormat) + " m      (" + tools.m2AU(position.x()).ToString(Program.scientificFormat) + " AU)");
            Console.WriteLine("        y = " + position.y().ToString(Program.scientificFormat) + " m      (" + tools.m2AU(position.y()).ToString(Program.scientificFormat) + " AU)");
            Console.WriteLine("        z = " + position.z().ToString(Program.scientificFormat) + " m      (" + tools.m2AU(position.z()).ToString(Program.scientificFormat) + " AU)");
            Console.WriteLine();
            if (sc.isOrientationGiven())
            {
                Console.WriteLine("    Calculating spacecraft orientation at given simulation time...");
                Console.WriteLine("      Result (Quaternion):");
                Console.WriteLine("        q_0 = " + orientation.r().ToString(Program.scientificFormat));
                Console.WriteLine("        q_1 = " + orientation.v().x().ToString(Program.scientificFormat));
                Console.WriteLine("        q_2 = " + orientation.v().y().ToString(Program.scientificFormat));
                Console.WriteLine("        q_3 = " + orientation.v().z().ToString(Program.scientificFormat));
                Console.WriteLine();
            }
            Console.WriteLine("    Calculating Sun position at given simulation time...");
            Console.WriteLine("      Result:");
            Console.WriteLine("        x = " + sun_position.x().ToString(Program.scientificFormat) + " m      (" + tools.m2AU(sun_position.x()).ToString(Program.scientificFormat) + " AU)");
            Console.WriteLine("        y = " + sun_position.y().ToString(Program.scientificFormat) + " m      (" + tools.m2AU(sun_position.y()).ToString(Program.scientificFormat) + " AU)");
            Console.WriteLine("        z = " + sun_position.z().ToString(Program.scientificFormat) + " m      (" + tools.m2AU(sun_position.z()).ToString(Program.scientificFormat) + " AU)");
            Console.WriteLine();

            string filename = this.getOutputPath() + "MoonSurfIllumSim_step_" + this.loopCount.ToString("D5");
            Console.WriteLine("    Ray tracing scene (Dynamical Surface Pattern Selection Algorithm - DSPSA)...");
            this.generatePOVRayFile(sc.getSpacecraftState(step), filename);
            Console.WriteLine("    POV-Ray file written to \"" + filename + ".pov\"");
            Console.WriteLine("    Rendering using POV-Ray...");

            Process pov = new Process();
            pov.StartInfo.FileName = this._pov_path + "pvengine64.exe";
            pov.StartInfo.Arguments = "/EXIT Quality=11 Antialias_Depth=3 Antialias=On Antialias_Threshold=0.1 Jitter_Amount=0.5 Jitter=On Width=" + this._width + " Height=" + this._height + " Antialias=On Antialias_Threshold=0.3 /RENDER \"" + filename + ".pov\"";
            pov.Start();
            pov.WaitForExit();

            if (Program.writeAnnotation)
            {
                Console.WriteLine("    Regenerating rendering with annotations...");
                FileStream myStream = new FileStream(filename + ".png", FileMode.Open);
                Image myBitmap = Image.FromStream(myStream);
                myStream.Close();
                myStream.Dispose();
                Graphics g = Graphics.FromImage(myBitmap);
                //g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
                float fontSize = (float)Convert.ToDouble(this._width) * 0.0095F;
                Font myFont = new Font("Consolas", fontSize);
                Quaternion rotQuat;

                if (sc.isOrientationGiven())
                {
                    rotQuat = scState.getOrientation();
                }
                else
                {
                    double phi = Math.Atan2(scState.getPosition().y(), scState.getPosition().x());
                    double theta = Math.Acos(scState.getPosition().z() / (scState.getPosition().norm()));
                    rotQuat = new RotationQuaternion(new Vector3D(0, 1, 0), theta) * new RotationQuaternion(new Vector3D(0, 0, 1), -phi);
                }

                // Local Solar Illumination Angle
                Pen pen = new Pen(Color.Red, 2);
                pen.StartCap = LineCap.SquareAnchor;
                pen.EndCap = LineCap.Round;
                g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;

                SolidBrush redBrush = new SolidBrush(Color.Red);

                foreach (var pixel in scState.PixelInfo)
                {
                    double x1 = pixel.Key.x();
                    double y1 = pixel.Key.y();

                    Vector2D endPoint = new Vector2D(x1, y1) + new Vector2D(0, this.gridH/2).rotate(tools.deg2rad(pixel.Value.IlluminationAngle));

                    g.DrawLine(pen, new Point(Convert.ToInt32(x1), Convert.ToInt32(y1)), new Point(Convert.ToInt32(endPoint.x()), Convert.ToInt32(endPoint.y())));
                    g.FillEllipse(redBrush, (float)x1 - 3F,  (float)y1 - 3F, 6, 6);
                }

                // Annotations to be written
                g.DrawString("Simulation Timecode:        " + scState.getTime().ToString(Program.scientificFormat) + " MJD (" + tools.MJDtoUTC(simTime).ToString("s") + "Z UTC)", myFont, Brushes.White, new PointF(2 * fontSize, 1 * 1.8F * fontSize));
                g.DrawString("S/C Position:               [" + scState.getPosition().x().ToString(Program.scientificFormat) + "," + scState.getPosition().y().ToString(Program.scientificFormat) + "," + scState.getPosition().z().ToString(Program.scientificFormat) + "] m", myFont, Brushes.White, new PointF(2 * fontSize, 2 * 1.8F * fontSize));
                g.DrawString("S/C Orientation Quaternion: [" + rotQuat.v().x().ToString(Program.scientificFormat) + "," + rotQuat.v().y().ToString(Program.scientificFormat) + "," + rotQuat.v().z().ToString(Program.scientificFormat) + "," + rotQuat.r().ToString(Program.scientificFormat) + "]", myFont, Brushes.White, new PointF(2 * fontSize, 3 * 1.8F * fontSize));
                g.DrawString("Sun Position:               [" + scState.getSunPosition().x().ToString(Program.scientificFormat) + "," + scState.getSunPosition().y().ToString(Program.scientificFormat) + "," + scState.getSunPosition().z().ToString(Program.scientificFormat) + "] m", myFont, Brushes.White, new PointF(2 * fontSize, 4 * 1.8F * fontSize));
                g.DrawString("Flight Altitude over MMR:   " + (scState.getPosition().norm() - 1.73715E6).ToString(Program.scientificFormat) + " m", myFont, Brushes.White, new PointF(2 * fontSize, 5 * 1.8F * fontSize));
                g.DrawString("Surface Mesh Resolution:    " + this._res.ToString() + " px/deg", myFont, Brushes.White, new PointF(2 * fontSize, 6 * 1.8F * fontSize));
                g.DrawString("FOV:                        " + this._FOV.ToString() + " deg (hor. & vert.), optics: perspective camera", myFont, Brushes.White, new PointF(2 * fontSize, 7 * 1.8F * fontSize));
                g.DrawString("Moon Surface Illumination Simulation Framework (MSISF), v" + Program.VERSION, new Font("Tahoma", fontSize), Brushes.White, new PointF(2 * fontSize, (float)Convert.ToDouble(this._height) - 3 * 1.8F * fontSize));
                g.DrawString("B.Eng. René Schwarz (rene-schwarz.com), more Information: http://go.rene-schwarz.com/masters-thesis", new Font("Tahoma", fontSize), Brushes.White, new PointF(2 * fontSize, (float)Convert.ToDouble(this._height) - 2 * 1.8F * fontSize));

                myBitmap.Save(filename + ".annotated.png");
                myBitmap.Dispose();
            }

            Console.WriteLine();
            Console.WriteLine();

            this.loopCount++;
        }