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Feature/lightfield show interactive color

Maximilian Schambach requested to merge feature/lightfield-show-interactive-color into master

Description

Introduces new per-color-channel view to show_interactive() method of LightField class.

Changes

Running a light field' show_interactive(), a per-color-channel view can be enabled by clicking the mouse wheel. Scrolling up and down scrolls through the color channels of the light field, which are shown in the approximate color according to their wavelengths. Scrolling thorugh an RGB light field, the R, G, and B channels are shown in red, green and blue respectively. For hyperspectral light fields, the wavelength range is assumed to be [420, 640] nanometers. Double clicking the mouse wheel resets to the regular color view.

In the future, one might add a metadata dictionary to the light field object in order to extract the actual wavelength range of hyperspectral light fields.

Todos

  • Documentation

Note: show_* functions are not tested using pytest.

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