In the Create New Volume File dialog, enter a Filename und define the Volume File Type.

You can choose a preset of GeoDict volume file structures or choose empty. In the latter case, the created volume file does not contain any image or field. Instead, the user can fill the file with Create New Image and New Field, which are described below.

If a predefined volume file was chosen, the volume file contains the standard images and fields of this volume file type. For example, the preset vap produces a volume file that contains a Velocity image with the fields VelocityX, VelocityY, VelocityZ, and Velocity and a Pressure image with the Pressure field. All the fields contain zero values and can be filled afterwards using, e.g., the Math Operations or via Python scripting with GeoPy.

Set the Dimension NX, NY, and NZ of the new volume file in number of voxels. The size will be inherited by the images and fields.

Additionally, you must set a Voxel Length that is larger than zero. You can choose the length unit from the pull-down menu in the upper right corner of the dialog.

Finally, you can choose the Boundary Condition in each direction.

The new volume file is only stored in GeoDict. To save it to the hard disk, click on Save Volume File.

Choose Properties to get information on the volume file loaded. In the Properties tab, the Name of the volume file can be changed. The Voxel Length and the Boundary Conditions cannot be changed.

In the Header tab, you can observe the header of the volume file, which are Key-Unit-Value pairs. They contain useful information about the creation of the volume file. You can add your own Key-Value pairs below the table.

The changes are only stored in GeoDict, to save them to the hard disk, click on Save Volume File.

Save the volume file to the hard disk as Current File Type, Universal GeoDict File (*.guf), or as GeoDict Raw Data - Binary (*.grw).

With Create New Image two types of images can be created.

If Scalar is chosen, an empty volume image is created and a New Field can be created.

If Vector is chosen, the unit for the vector field must be entered (e.g. m/s for a velocity field). Then, a volume image with 4 volume fields (containing only zeros) is generated. The created volume fields are the component fields for the X-, Y-, and Z-direction and the supplemental field containing the automatically computed norm.

With Copy… the entire volume file including all images, fields, and values is copied, after entering a name for the new volume file.

The new file is only stored in GeoDict. To save it to the hard disk, click on Save Volume File.

Click on Remove to delete the volume file including all its images and fields from the GeoDict memory.

Choose Properties to see the name of the volume image and if it is a scalar of vector volume image (see Create New Image). You can change the name of the image. Remember to save the volume file to the hard disk to keep the modifications.

The function Interpolate to Voxel Center interpolates the data in the fields to the voxel centers using the values on edges and faces of the voxels. It is only available for vector images and not for scalar images.

The option above is not available if a compressed volume file is loaded without decompressing it during the import. Instead, the option to Decompress the file when it is already in the GeoDict memory is available.

You can also create and add a New Field to a volume image.

In the opening dialog, enter a Fieldname and the desired Unit of the volume field.

Select the Data Type from the corresponding drop-down menu.

The Fill Method determines if the values in the new field are all Zeros, Gaussian randomly distributed around Zero, randomly distributed between 0 and 1, None (which is the same as Zero ) or all Ones.

With Copy or Move the entire volume image including all fields and values is copied or moved to another loaded volume file.

The modified file is only stored in GeoDict. To save it to the hard disk, click on Save Volume File.

With Remove a volume image can be deleted from the GeoDict memory. It is not deleted from the volume file saved in the project folder.

Under Properties you can change the Name and Unit of a volume field.

The selected volume field can be Saved as *.guf file or in another file format. This is the same as Save Volume File in the File menu in the menu bar.

With Copy or Move the volume field including all values is copied or moved to another loaded volume image.

It can be a volume image of the same volume file or another loaded volume file. The new volume image is only stored in GeoDict. To save it to the hard disk, click on Save Volume File.

With Remove a volume field can be deleted from the GeoDict memory. It is not deleted from the volume file saved in the project folder.

For some volume files, e.g. *.vap files, an additional supplemental field like the Velocity field is computed when loading the volume file. To save the supplemental field in the volume file, you can uncheck Supplemental and save the volume file afterwards.

The reason is that the data in the volume file has not the correct data type, e.g. it is a floating single precision value.

Use the math operation Convert to Data Type to save a volume field as RAW-file. For example, the field “vonMisesStrain” is saved in the following way:

1. First, convert the data in the field to the correct data type (unsigned integer). Right-click on the vonMisesStrain field and choose Math Operation.

2. In the dialog select Convert to Data Type from the first pull-down menu and Unsigned Integer 8-Bit from the second. Then click Run.

3. A new Volume Image appears under the currently loaded Volume File: Math Operation 1. There, the new Volume Field vonMisesStrain Converted to uInt8 is shown. Right-click on it and choose Save.

4. Select a name and choose Integer Data - Binary (*.raw) as file type. Then, the volume field is saved in the chosen folder.