Esempio n. 1
0
        private void PlatonicSolid()
        {
            vtkPlatonicSolidSource platonicSolidSource = vtkPlatonicSolidSource.New();

            platonicSolidSource.SetSolidTypeToOctahedron();

            // Each face has a different cell scalar
            vtkLookupTable lut = vtkLookupTable.New();

            lut.SetNumberOfTableValues(8);
            lut.SetTableRange(0.0, 7.0);
            lut.Build();
            lut.SetTableValue(0, 0, 0, 0, 1);
            lut.SetTableValue(1, 0, 0, 1, 1);
            lut.SetTableValue(2, 0, 1, 0, 1);
            lut.SetTableValue(3, 0, 1, 1, 1);
            lut.SetTableValue(4, 1, 0, 0, 1);
            lut.SetTableValue(5, 1, 0, 1, 1);
            lut.SetTableValue(6, 1, 1, 0, 1);
            lut.SetTableValue(7, 1, 1, 1, 1);

            // Visualize
            vtkPolyDataMapper mapper = vtkPolyDataMapper.New();

            mapper.SetInputConnection(platonicSolidSource.GetOutputPort());
            mapper.SetLookupTable(lut);
            mapper.SetScalarRange(0, 7);

            vtkActor actor = vtkActor.New();

            actor.SetMapper(mapper);


            RenderAddActor(actor);
        }
Esempio n. 2
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        public void ExtractEdgesVTKBuilderWithoutRunning(ref vtkActor actor, ref vtkPoints points, ref vtkCellArray polys,
                                                         ref vtkFloatArray scalars, ref vtkLookupTable Luk)
        {
            int pointsNum = 0;

            TowerModelInstance.VTKDrawModel(ref points, ref polys, ref scalars, ref pointsNum, paras);

            vtkPolyData profile = vtkPolyData.New();

            profile.SetPoints(points);
            profile.SetPolys(polys);

            vtkExtractEdges ExtProfile = new vtkExtractEdges();


            vtkPolyDataMapper mapper = vtkPolyDataMapper.New();

            if (paras.RotateAngle == 0)
            {
                profile.GetCellData().SetScalars(scalars);
                ExtProfile.SetInput(profile);
                mapper.SetInputConnection(ExtProfile.GetOutputPort());
            }
            else
            {
                vtkRotationalExtrusionFilter refilter = vtkRotationalExtrusionFilter.New();
                profile.Update();
                profile.GetCellData().SetScalars(scalars);
                //profile.GetPointData().SetScalars(scalars);
                ExtProfile.SetInput(profile);

                refilter.SetInputConnection(ExtProfile.GetOutputPort());
                refilter.SetResolution(50);
                refilter.SetAngle(paras.RotateAngle);
                refilter.SetTranslation(0);
                refilter.SetDeltaRadius(0);

                mapper.SetInputConnection(refilter.GetOutputPort());
            }
            mapper.SetScalarRange(0, 5);
            mapper.SetLookupTable(Luk);
            actor.SetMapper(mapper);

            Luk.SetNumberOfTableValues(7);
            Luk.SetTableValue(0, 0, 1, 0, 1);   //
            Luk.SetTableValue(1, 0, 0, 0.8, 1); //inner surface
            Luk.SetTableValue(2, 0, 1, 0, 1);   //
            Luk.SetTableValue(3, 0, 0, 1, 1);
            Luk.SetTableValue(4, 0, 0, 0.8, 1); //insider
            Luk.SetTableValue(5, 0, 0.8, 0, 1); //outer surface
            Luk.Build();
        }
Esempio n. 3
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        // -------- Color Templates ---------------------------------------

        public void LegendStyle1()
        {
            // Assign default number of colors
            colorLookupTable.SetNumberOfTableValues(9);

            colorLookupTable.SetTableValue(8, 2.55E+02 / 255.0, 0.00E+00 / 255.0, 0.00E+00 / 255.0, 1.0);
            colorLookupTable.SetTableValue(7, 2.55E+02 / 255.0, 1.28E+02 / 255.0, 0.00E+00 / 255.0, 1.0);
            colorLookupTable.SetTableValue(6, 2.55E+02 / 255.0, 2.55E+02 / 255.0, 0.00E+00 / 255.0, 1.0);
            colorLookupTable.SetTableValue(5, 1.28E+02 / 255.0, 2.55E+02 / 255.0, 0.00E+00 / 255.0, 1.0);
            colorLookupTable.SetTableValue(4, 0.00E+00 / 255.0, 2.55E+02 / 255.0, 0.00E+00 / 255.0, 1.0);
            colorLookupTable.SetTableValue(3, 0.00E+00 / 255.0, 2.55E+02 / 255.0, 1.28E+02 / 255.0, 1.0);
            colorLookupTable.SetTableValue(2, 0.00E+00 / 255.0, 2.55E+02 / 255.0, 2.55E+02 / 255.0, 1.0);
            colorLookupTable.SetTableValue(1, 0.00E+00 / 255.0, 1.28E+02 / 255.0, 2.55E+02 / 255.0, 1.0);
            colorLookupTable.SetTableValue(0, 0.00E+00 / 255.0, 0.00E+00 / 255.0, 2.55E+02 / 255.0, 1.0);
        }
        private void RenderXYZColor()
        {
            FileStream   fs = null;
            StreamReader sr = null;
            String       sLineBuffer;

            String[]  sXYZ;
            char[]    chDelimiter = new char[] { ' ', '\t', ';' };
            double[]  xyz         = new double[3];
            double[]  rgb         = new double[3];
            vtkPoints points      = vtkPoints.New();
            vtkPoints colors      = vtkPoints.New();
            int       cnt         = 0;

            try
            {
                // in case file must be open in another application too use "FileShare.ReadWrite"
                fs = new FileStream(m_FileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
                sr = new StreamReader(fs);

                vtkDoubleArray colorScalor = new vtkDoubleArray();
                int            n           = 1;
                while (!sr.EndOfStream)
                {
                    sLineBuffer = sr.ReadLine();
                    cnt++;
                    sXYZ = sLineBuffer.Split(chDelimiter, StringSplitOptions.RemoveEmptyEntries);
                    if (sXYZ == null || sXYZ.Length != 6)
                    {
                        MessageBox.Show("data seems to be in wrong format at line " + cnt, "Format Exception", MessageBoxButtons.OK);
                        return;
                    }
                    xyz[0] = double.Parse(sXYZ[0], CultureInfo.InvariantCulture) * 11100;
                    xyz[1] = double.Parse(sXYZ[1], CultureInfo.InvariantCulture) * 11100;
                    xyz[2] = double.Parse(sXYZ[2], CultureInfo.InvariantCulture);

                    rgb[0] = double.Parse(sXYZ[0], CultureInfo.InvariantCulture);
                    rgb[1] = double.Parse(sXYZ[1], CultureInfo.InvariantCulture);
                    rgb[2] = double.Parse(sXYZ[2], CultureInfo.InvariantCulture);

                    points.InsertNextPoint(xyz[0], xyz[1], xyz[2]);
                    colors.InsertNextPoint(rgb[0], rgb[1], rgb[2]);
                    colorScalor.InsertNextTuple1(n++);
                }
                vtkPolyData polydata = vtkPolyData.New();
                polydata.SetPoints(points);
                polydata.GetPointData().SetScalars(colorScalor); //设置点的Scalar(标量)属性

                vtkVertexGlyphFilter glyphFilter = vtkVertexGlyphFilter.New();
                glyphFilter.SetInputConnection(polydata.GetProducerPort());

                vtkLookupTable lookupTable = new vtkLookupTable();
                lookupTable.SetNumberOfColors(n);
                // SetSetTableValue(vtkIdType  indx, double r, double g, double  b, double a);
                Random random = new Random();
                for (int i = 0; i < n; i++)
                {
                    double[] tmp = colors.GetPoint(i);
                    double   r   = tmp[0];
                    double   g   = tmp[1];
                    double   b   = tmp[2];
                    lookupTable.SetTableValue(i, r, g, b, 1);
                }

                // Visualize
                vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
                mapper.SetInputConnection(glyphFilter.GetOutputPort());
                mapper.SetLookupTable(lookupTable);
                mapper.SetScalarRange(1, n);

                vtkActor actor = vtkActor.New();
                actor.SetMapper(mapper);
                actor.GetProperty().SetPointSize(1);
                //actor.GetProperty().SetColor(1, 0.5, 0);
                // add our actor to the renderer
                m_Renderer.AddActor(actor);
                imgPropList.Add(actor);

                m_Renderer.ResetCamera();

                //Rerender the screen
                m_RenderWindow.Render();
                m_Renderer.Render();
            }
            catch (IOException ex)
            {
                MessageBox.Show(ex.Message, "IOException", MessageBoxButtons.OK);
            }
            finally
            {
                if (sr != null)
                {
                    sr.Close();
                    sr.Dispose();
                    sr = null;
                }
            }
        }
Esempio n. 5
0
        private void DrawRainBow()
        {
            //# First create pipeline a simple pipeline that reads a structure grid
            //# and then extracts a plane from the grid. The plane will be colored
            //# differently by using different lookup tables.
            //#
            //# Note: the Update method is manually invoked because it causes the
            //# reader to read; later on we use the output of the reader to set
            //# a range for the scalar values.
            vtkMultiBlockPLOT3DReader pl3d = vtkMultiBlockPLOT3DReader.New();

            pl3d.SetXYZFileName(@"..\..\Data\combxyz.bin");
            pl3d.SetQFileName(@"..\..\Data\combq.bin");
            pl3d.SetScalarFunctionNumber(100);
            pl3d.SetVectorFunctionNumber(202);
            pl3d.Update();
            vtkDataObject pl3d_output = pl3d.GetOutput().GetBlock(0);

            vtkStructuredGridGeometryFilter planeFilter = vtkStructuredGridGeometryFilter.New();

            planeFilter.SetInputData(pl3d_output);
            planeFilter.SetExtent(1, 100, 1, 100, 7, 7);
            vtkLookupTable    lut         = vtkLookupTable.New();
            vtkPolyDataMapper planeMapper = vtkPolyDataMapper.New();

            planeMapper.SetLookupTable(lut);
            planeMapper.SetInputConnection(planeFilter.GetOutputPort());
            //planeMapper.SetScalarRange(pl3d_output.)
            vtkActor planeActor = vtkActor.New();

            planeActor.SetMapper(planeMapper);

            //this creates an outline around the data
            vtkStructuredGridOutlineFilter outlineFilter = vtkStructuredGridOutlineFilter.New();

            outlineFilter.SetInputData(pl3d_output);
            vtkPolyDataMapper outlineMapper = vtkPolyDataMapper.New();

            outlineMapper.SetInputConnection(outlineFilter.GetOutputPort());
            vtkActor outlineActor = vtkActor.New();

            outlineActor.SetMapper(outlineMapper);

            //Much of the following is commented out. To try different lookup tables.
            //This create a black to white lut
            //lut.SetHueRange(0, 0);
            //lut.SetSaturationRange(0, 0);
            //lut.SetValueRange(0.2, 1.0);

            //This creates a red to blue lut
            //lut.SetHueRange(0.0, 0.677);

            //This creates a blue to red lue
            lut.SetHueRange(0.667, 0.0);

            //This creates a weird effect. the Build() method cause lookup
            //table to allocate memory and create a table based on the correct
            //hue, saturatioin, value, and alpha range. Here we then
            //manully overwrite the value generated by the Build() method.
            lut.SetNumberOfColors(256);
            lut.Build();
            for (int i = 0; i < 16; i++)
            {
                lut.SetTableValue(i * 16, (float)Color.Red.R / 256, (float)Color.Red.G / 256, (float)Color.Red.B / 256, 1);
                lut.SetTableValue(i * 16 + 1, (float)Color.Green.R / 256, (float)Color.Green.G / 256, (float)Color.Green.B / 256, 1);
                lut.SetTableValue(i * 16 + 2, (float)Color.Blue.R / 256, (float)Color.Blue.G / 256, (float)Color.Blue.B / 256, 1);
                lut.SetTableValue(i * 16 + 3, (float)Color.Black.R / 256, (float)Color.Black.G / 256, (float)Color.Black.B / 256, 1);
            }


            //Create the renderwindow, the render and both actors
            vtkRenderer     ren    = vtkRenderer.New();
            vtkRenderWindow renWin = myRenderWindowControl.RenderWindow;

            renWin.AddRenderer(ren);

            //Add the actors to the renderer, set the backgroud
            ren.AddActor(outlineActor);
            ren.AddActor(planeActor);

            ren.SetBackground(0.1, 0.2, 0.4);
            ren.TwoSidedLightingOff();
        }