T302 reflectance as image

[RecurvedBow]

Please check the following before creating the pull request (PR):

• [x] Did you run automatic tests?
• [x] Did you run manual tests?
• [x] Is the code provided in the PR still backwards compatible to previous SIMPA versions?

List any specific code review questions

List any special testing requirements

Additional context (e.g. papers, documentation, blog posts, ...) Because the feature only adds new files and does not change existing files, manual tests are not required.

Provide issue / feature request fixed by this PR

Closes #302