Automatic selection of glacier pictures for factsheets

[yweidmann]

Currently images to be displayed on the factsheet of the GLAMOS web application are selected manually:

• The value fk_glacier_picture_type of the table base_data.glacier_picture defines if a picture is used as factsheet picture or not.

Instead of selecting the only one defined picture as factsheet picture a date-based selection could be implemented:

• All pictures of a glacier which are suitable as factsheet picture are defined as factsheet sheet picture.
• The view base_data.web_glacier_picture sets the value is_fact_sheet_picture tu True for only the newest picture.

Pros:

• Easy administration of the table base_data.glacier_picture
• Always up-to-date
• No structural change of the tables needed
• No change for the web application and the json-exchange interface

Cons:

• None