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Class Isovolume

Specification of an isovolume (both parameters and attributes) in a RemoteModel.

Use this object to control the settings and attributes of an isovolume. An isovolume is defined as the combined volume of an element model where a scalar field is between a given minimum and maximum value. The surface of the isovolume is the hull of this volume. Any element on the border of the model (a surface with no neighbor) is also included in the volume if the scalar value on that surface is within the given range.

You can map any scalar result onto the isovolume with mapScalarResultId and any vector result with mapVectorResultId. The settings for the mapped results can be changed with the ScalarSettings and VectorSettings objects.

To create an isovolume, use RemoteModel.addIsovolume.

Example: Show an isovolume

  var modelDir = myModel.modelDirectory;

  // Add isovolume if we have a scalar result
  if (modelDir.scalarResultArray.length > 0) {
      var iso = myModel.addIsovolume();
      iso.isoScalarResultId = modelDir.scalarResultArray[0].id;

      iso.minimumIsoValue = 2;
      iso.maximumIsoValue = 5;

      if (modelDir.scalarResultArray.length > 1) {
          iso.mapScalarResultId = modelDir.scalarResultArray[1].id;
      } else {
          iso.mapScalarResultId = modelDir.scalarResultArray[0].id;

  // Set model to outline to show the cutting planes

This code sample produces the following image in the 3D Viewer:

alt text


  • Isovolume




computeFromVisibleParts: boolean

If set to true, the isovolume will be computed from only the visible parts. Any part that is not visible will not contribute to the isovolume.


highlight: boolean

Whether the isovolume should be highlighted.

Readonly id

id: number

The id of the isovolume. This is assigned by the system when you call RemoteModel.addIsovolume and is used to identify the isovolume.

Readonly isPrecomputed

isPrecomputed: boolean

Is true if the isovolume is precomputed and cannot be changed


isoScalarResultId: number

The scalar result to compute the isovolume from. This property is mandatory and must refer to one of the scalar results in ModelDirectory.scalarResultArray.


mapScalarResultId: number

The id of the scalar result to show on the isovolume.

This id must refer to one of the scalar results in ModelDirectory.scalarResultArray. You can change the settings for the scalar with the ScalarSettings object.

Set to -1 to show no scalars on the isovolume.


mapVectorResultId: number

The id of the vector result to show on the isovolume. One vector will be shown in each node of the surface.

This id must refer to one of the vector results in ModelDirectory.vectorResultArray. The settings for the vector arrows can be changed with the VectorSettings object.

Set to -1 to show no vectors on the isovolume.


maximumIsoValue: number

The maximum scalar value within the isovolume.


minimumIsoValue: number

The minimum scalar value within isovolume.


opacity: number

Opacity of the isovolume. 0.0 means fully transparent (invisible), 1.0 means fully opaque.


visible: boolean

Visibility of the isovolume. Use this to show or hide a isovolume in the 3D Viewer.


volumeColor: Color3Like

The color of the isovolume if not showing a result (mapScalarResultId = -1)



  • Gets the settings for this isovolume as a Plain Old JavaScript Object (POJO).

    Returns IsovolumeProperties


  • Applies the settings in the given properties object to this isovolume.


    Returns void

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