Seems to resolve the problem!
Thanks
2011/1/18 Jae-Joon Lee <lee.j.j...@gmail.com>:
> Can you see if setting the "should_simplify" to False work? i.e.,
>
> path=cs.collections[5].get_paths()[0] #210 vertices
> path.should_simplify = False
> path.to_polygons()
>
> At least, it seems to conserve the number of vertices.
>
> Regards,
>
> -JJ
>
>
> On Tue, Jan 18, 2011 at 5:07 PM, Lionel Roubeyrie
> <lionel.roubey...@gmail.com> wrote:
>> Hi,
>> is there a existing patch for this problem or do we have to use/modify
>> iter_segments for the moment?
>> thanks
>>
>> 2011/1/15 Lionel Roubeyrie <lionel.roubey...@gmail.com>:
>>> The problem appends on some paths/polygons, not all. Have a look at
>>> the joined pictures. The to_polygons method normally take care about
>>> polygons holes, but here some vertices are not converted, resulting in
>>> wrong geometries.
>>> #############
>>> import numpy as np
>>> import pylab as plb
>>> a=np.recfromtxt('rpatch3.grid', delimiter='\t',names=True)
>>> lev=np.linspace(a.ux.min(), a.ux.max(), 10)
>>> cs=plb.tricontourf(a.lon, a.lat, a.ux, lev)
>>> path=cs.collections[5].get_paths()[0] #210 vertices
>>> path.to_polygons() #16 vertices :(
>>> #############
>>> Cheers
>>>
>>> 2011/1/14 Michael Droettboom <md...@stsci.edu>:
>>>> It's not obvious to me that this is wrong. The path has a MOVETO
>>>> command (1) in the middle, and thus should require the creation of two
>>>> polygons. Can you provide some code or pictures that demonstrate the
>>>> problem?
>>>>
>>>> Mike
>>>>
>>>> On 01/13/2011 05:54 PM, Lionel Roubeyrie wrote:
>>>>> Hi all,
>>>>> Using the last 1.0.1 matplotlib version,sometimes exporting paths to
>>>>> polygons gives wrong results like here (paths come from a
>>>>> tricontourset) :
>>>>> In [94]: path
>>>>> Out[94]:
>>>>> Path([[ 172.0079229 -43.79390934]
>>>>> [ 171.97660793 -43.785 ]
>>>>> [ 171.96206864 -43.78273625]
>>>>> [ 171.959 -43.78114859]
>>>>> ...
>>>>> [ 171.593 -44.00678244]
>>>>> [ 171.64906502 -44.01 ]
>>>>> [ 171.654 -44.01077106]
>>>>> [ 171.7068607 -44.0160044 ]], [1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
>>>>> 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
>>>>> 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 2 2 2 2 2 2 2 2
>>>>> 2
>>>>> 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
>>>>> 2
>>>>> 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
>>>>> 2
>>>>> 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
>>>>> 2
>>>>> 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2])
>>>>> In [95]: path.vertices.shape
>>>>> Out[95]: (210, 2)
>>>>>
>>>>> but to_polygons gives another result :
>>>>> In [98]: path.to_polygons()
>>>>> Out[98]:
>>>>> [array([[ 172.0079229 , -43.79390934],
>>>>> [ 171.86039224, -43.65 ],
>>>>> [ 172.081 , -43.54450289],
>>>>> [ 172.386 , -43.57010293],
>>>>> [ 172.60631978, -43.67753099],
>>>>> [ 172.59231502, -43.71219961],
>>>>> [ 172.325 , -43.78095532],
>>>>> [ 172.02 , -43.79497729]]),
>>>>> array([[ 171.715 , -44.0160044 ],
>>>>> [ 173.02676111, -43.92 ],
>>>>> [ 172.935 , -43.53340591],
>>>>> [ 171.40281884, -43.70029758],
>>>>> [ 171.37760645, -43.94389688],
>>>>> [ 171.54044973, -44.0037666 ],
>>>>> [ 171.7068607 , -44.0160044 ],
>>>>> [ 171.7068607 , -44.0160044 ]])]
>>>>>
>>>>> Cheers
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Michael Droettboom
>>>> Science Software Branch
>>>> Space Telescope Science Institute
>>>> Baltimore, Maryland, USA
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
>>>> Protect Your Site and Customers from Malware Attacks
>>>> Learn about various malware tactics and how to avoid them. Understand
>>>> malware threats, the impact they can have on your business, and how you
>>>> can protect your company and customers by using code signing.
>>>> http://p.sf.net/sfu/oracle-sfdevnl
>>>> _______________________________________________
>>>> Matplotlib-devel mailing list
>>>> Matplotlib-devel@lists.sourceforge.net
>>>> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
>>>>
>>>
>>>
>>>
>>> --
>>> Lionel Roubeyrie
>>> lionel.roubey...@gmail.com
>>> http://youarealegend.blogspot.com
>>>
>>
>>
>>
>> --
>> Lionel Roubeyrie
>> lionel.roubey...@gmail.com
>> http://youarealegend.blogspot.com
>>
>> ------------------------------------------------------------------------------
>> Protect Your Site and Customers from Malware Attacks
>> Learn about various malware tactics and how to avoid them. Understand
>> malware threats, the impact they can have on your business, and how you
>> can protect your company and customers by using code signing.
>> http://p.sf.net/sfu/oracle-sfdevnl
>> _______________________________________________
>> Matplotlib-devel mailing list
>> Matplotlib-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
>>
>
--
Lionel Roubeyrie
lionel.roubey...@gmail.com
http://youarealegend.blogspot.com
------------------------------------------------------------------------------
Protect Your Site and Customers from Malware Attacks
Learn about various malware tactics and how to avoid them. Understand
malware threats, the impact they can have on your business, and how you
can protect your company and customers by using code signing.
http://p.sf.net/sfu/oracle-sfdevnl
_______________________________________________
Matplotlib-devel mailing list
Matplotlib-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
