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Each visualization is contained in a rectangle (hence Rectangular) the user can move visualizations around by dragging them and change their properties by tapping on them. The screen slides to the right where the user can specify the parameters of the visualisation : channel, property (within the channel), visualisation type (histogram, plot through time, etc.).
A challenge for this design is making visible the afordance that the visiualisations can be dragged arround with a finger. For this we rely on intuition the user has from using other mobile interfaces (ex. iOS main menu behaves in a similar way).
Single-Layout List design
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