Export grid distances and weights as a tiff file

[mogres]

Use Case

We want to visualize distances and weights stored in the grid as a tiff file to explore 3D slices. Simularium example:

Solution

1. Create array of values stored in the grid. This array will have the same size as the grid (may be high/low resolution depending on grid spacing)
2. Use the ImageWriter class to write these values to an ome tiff image.