[vtkusers] (no subject)

Виталий Симаков simakov.w at gmail.com
Tue Aug 15 14:18:45 EDT 2017


Guillen Antonio, thanks for the help.
But how do I get vtkChartXYZ and vtkGlyph3D to show up and spin on the same
scene? Or am I generally not doing the right thing?

2017-08-15 20:19 GMT+03:00 Guillen Antonio <tonio.guillen at gmail.com>:

> Here a small example that i use:
>
>
>       Field<Vector3D> dhField = (Field) this.getDisplayedData();
>
>         DrillholeMesh dhMesh = dhField.getMesh();
>         double[] curvilinearAbscissae = dhMesh.getCurvilinear();
>         int nbFieldValues = dhField.getValues().length;
>         Drillhole dh = dhField.getDrillhole();
>           @SuppressWarnings("unchecked")
>           FieldDh<Vector3D> field = dhField;
>           if (field == null)
>             return false;
>           vtkPoints points = new vtkPoints();
>           points.SetDataTypeToDouble();
>           double[] pc = new double[3];
>           double[] ps = new double[3];
>           Vector3D[] values = field.getValues();
>           if (values != null) {
>             double sizeMaxField = aValue;
>             vtkArrowSource arrow = new vtkArrowSource();
>             arrow.SetTipRadius(0.1);
>             arrow.SetTipLength(1.);
>             arrow.SetShaftResolution(6);
>             arrow.SetShaftRadius(0.03);*/
>             vtkDoubleArray vector3DArray = new vtkDoubleArray();
>             vector3DArray.SetNumberOfComponents(3);
>             vector3DArray.SetName("Vector");
>             for (int i = 0; i < nbFieldValues; i++) {
>               Vector3D fieldValue = values[i];
>               if (fieldValue != null && fieldValue != field.getNoValue()) {
>                 Point3D p = dh.getSurvey().getPoint(
> curvilinearAbscissae[i]);
>                 ps[0] = p.x;
>                 ps[1] = p.y;
>                 ps[2] = p.z;
>                 points.InsertNextPoint(ps);
>                 vector3DArray.InsertNextTuple3(fieldValue.getX(),
> fieldValue.getY(), fieldValue.getZ());
>               }
>             }
>             vtkPolyData polyData = new vtkPolyData();
>             polyData.SetPoints(points);
>             polyData.GetPointData().SetVectors(vector3DArray);
>
>
>             vector3DGlyph = new vtkGlyph3D();
>             vector3DGlyph.SetVectorModeToUseVector();
>             vector3DGlyph.OrientOn();
>             vector3DGlyph.SetScaleFactor(sizeMaxField/2.);
>             vector3DGlyph.SetScaleModeToDataScalingOff();
>             vector3DGlyph.SetColorModeToColorByScalar();
>
>             vector3DGlyph.SetSourceConnection(arrow.GetOutputPort());
>             vector3DGlyph.SetInputData(polyData);
>             vector3DGlyph.Update();
>
>
> Hope it help you.
>
> 2017-08-15 18:21 GMT+02:00 Виталий Симаков <simakov.w at gmail.com>:
>
>> Hello.
>> Recently began to study the VTK.
>> Faced the following problem:
>> It is necessary to draw vtkPlotLine3D and on it to represent vectors
>> (Presumably vtkArrowSource).
>> Someone did this? Examples did not help ... = (
>> Thank you.
>>
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