Is there a simple way to hexbin using “pyplot.hexbin” and to return the ids of the set of
points in each hexbin? That is to output an array of n elements
(one for each hexbin), and each element itself an array with the point ids? The sum
of the number of inner elements would be equal the sum of all points (x,y).
Is hexbin missing this simple feature?
Or perhaps specifying C=N.arange(len(x)) then some specific “reduced_C_function”
to return those elements. But I don’t know if there is a “reduced_C_function” available,
or perhaps one could be added?
many thanks in advance…
link:
http://stackoverflow.com/questions/18886461/how-can-i-print-a-list-of-the-outputs-from-the-hexbin-reduce-c-function/35088073#35088073
Hmm, you are right, there is no way to get back the information that hexbin computed. The hexbin function is massive (in lib/matplotlib/axes/_axes.py) and is a bit tangled up with the artist-handling code, too. I think it would make sense to factor out the hexbinning component into its own hexbin.py that others might be able to use separately.
Ben Root
···
On Fri, Jan 29, 2016 at 5:15 PM, Sebastian <sebas0@…287…> wrote:
Is there a simple way to hexbin using “pyplot.hexbin” and to return the ids of the set of
points in each hexbin? That is to output an array of n elements
(one for each hexbin), and each element itself an array with the point ids? The sum
of the number of inner elements would be equal the sum of all points (x,y).
Is hexbin missing this simple feature?
Or perhaps specifying C=N.arange(len(x)) then some specific “reduced_C_function”
to return those elements. But I don’t know if there is a “reduced_C_function” available,
or perhaps one could be added?
many thanks in advance…
link:
python - How can I print a list of the outputs from the hexbin reduce_C_function? - Stack Overflow
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Factor it out and give it to numpy!
···
On Fri, Jan 29, 2016 at 5:15 PM, Sebastian <sebas0@…287…> wrote:
Is there a simple way to hexbin using “pyplot.hexbin” and to return the ids of the set of
points in each hexbin? That is to output an array of n elements
(one for each hexbin), and each element itself an array with the point ids? The sum
of the number of inner elements would be equal the sum of all points (x,y).
Is hexbin missing this simple feature?
Or perhaps specifying C=N.arange(len(x)) then some specific “reduced_C_function”
to return those elements. But I don’t know if there is a “reduced_C_function” available,
or perhaps one could be added?
many thanks in advance…
link:
python - How can I print a list of the outputs from the hexbin reduce_C_function? - Stack Overflow
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Ahhhh thats too bad (that we can’t recover the original ids.)
What could one (as user) do to officially request it be fixed/factored out to numpy?
···
On Fri, Jan 29, 2016 at 7:30 PM, Thomas Caswell <tcaswell@…287…> wrote:
Factor it out and give it to numpy!
On Fri, Jan 29, 2016, 17:27 Benjamin Root <ben.v.root@…287…> wrote:
Hmm, you are right, there is no way to get back the information that hexbin computed. The hexbin function is massive (in lib/matplotlib/axes/_axes.py) and is a bit tangled up with the artist-handling code, too. I think it would make sense to factor out the hexbinning component into its own hexbin.py that others might be able to use separately.
Ben Root
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On Fri, Jan 29, 2016 at 5:15 PM, Sebastian <sebas0@…1003…7…> wrote:
Is there a simple way to hexbin using “pyplot.hexbin” and to return the ids of the set of
points in each hexbin? That is to output an array of n elements
(one for each hexbin), and each element itself an array with the point ids? The sum
of the number of inner elements would be equal the sum of all points (x,y).
Is hexbin missing this simple feature?
Or perhaps specifying C=N.arange(len(x)) then some specific “reduced_C_function”
to return those elements. But I don’t know if there is a “reduced_C_function” available,
or perhaps one could be added?
many thanks in advance…
link:
python - How can I print a list of the outputs from the hexbin reduce_C_function? - Stack Overflow
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You’ve already done it. But we encourage you to take a crack at it. I would suggest just first factoring it out into a new file lib/matplotlib/hexbin.py and have the current function utilize it. When that is done, we can look to getting it into numpy as well. We will need a copy of it ourselves for compatibility with older releases of numpy.
Let us know if you have questions!
Ben Root
···
On Fri, Jan 29, 2016 at 7:30 PM, Thomas Caswell <tcaswell@…287…> wrote:
Factor it out and give it to numpy!
On Fri, Jan 29, 2016, 17:27 Benjamin Root <ben.v.root@…287…> wrote:
Hmm, you are right, there is no way to get back the information that hexbin computed. The hexbin function is massive (in lib/matplotlib/axes/_axes.py) and is a bit tangled up with the artist-handling code, too. I think it would make sense to factor out the hexbinning component into its own hexbin.py that others might be able to use separately.
Ben Root
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On Fri, Jan 29, 2016 at 5:15 PM, Sebastian <sebas0@…1003…7…> wrote:
Is there a simple way to hexbin using “pyplot.hexbin” and to return the ids of the set of
points in each hexbin? That is to output an array of n elements
(one for each hexbin), and each element itself an array with the point ids? The sum
of the number of inner elements would be equal the sum of all points (x,y).
Is hexbin missing this simple feature?
Or perhaps specifying C=N.arange(len(x)) then some specific “reduced_C_function”
to return those elements. But I don’t know if there is a “reduced_C_function” available,
or perhaps one could be added?
many thanks in advance…
link:
python - How can I print a list of the outputs from the hexbin reduce_C_function? - Stack Overflow
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