Visium Plots : General parameters in scatter plots

# visiumFixedAspectRatio
Flag to fix aspect ratio for visium plots
Type: boolean
Default: true
Used in: Scatter2D

# visiumFlip
Flag to invert the data in visium plots.
Type: boolean
Default: false
Used in: Scatter2D

# visiumPanning
Flag to disallow panning in visium plots. Dragging will always zoom
Type: boolean
Default: false
Used in: Scatter2D