Showing and saving of graphics object consisting of many graphics
primitives seems to take unduly long. See e.g. this example code:
sage: P = plot([])
sage: w = 1000
sage: P = sum(point((j,j*(w-j)), color=(j/w,1-j/w,0)) for j in range(w))
sage: time P.save("test.png")
CPU times: user 8.48 s, sys: 55.7 ms, total: 8.54 s
Wall time: 8.55 s
sage: time P.show()
Launched png viewer for Graphics object consisting of 1000 graphics
primitives
CPU times: user 8.28 s, sys: 35.8 ms, total: 8.32 s
Wall time: 8.34 s
Is this is a bug or deficiency of handling long sums of graphics
primitives, or are there better ways handling them?
-- Peter Mueller
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