[mpweiher]

> Since the points are rendered in pixel-perfect form and then down sampled on the iPhone 6+, the only potential loss of fidelity is in the downsampling step.

Are we sure that this is how it's implemented? They could just as well have the frame buffer be 1080p and adjust the device matrix of the rendering engine(s).

> but we should have moved to SVG or some vector format as a native format in iOS several years ago.

Like PDF?