(viz): contextual magnification when clicking landmarks
Description
With touch interactions, it is hard to place a landmark precisely, because the finger hides the zone of interest. A common solution used nowadays is to display the zone under the finger magnified in a contextual window.
Proposal
Optional section to give some functional or technical hints
Functional specifications
Workflow, UX/UI design, screenshots, etc...
Technical specifications
Details of the implementation
Test plan
Describe how you will verify that the implementation fulfils the specifications