Re: [Numpy-discussion] composing Euler rotation matrices

2017-02-01 Thread Seb
On Wed, 1 Feb 2017 09:42:15 +, Matthew Brett wrote: > Hi, > On Wed, Feb 1, 2017 at 8:28 AM, Robert McLeod wrote: >> Instead of trying to decipher what someone wrote on a Wikipedia, why >> don't you look at a working piece of source code? >>

Re: [Numpy-discussion] composing Euler rotation matrices

2017-02-01 Thread Stuart Reynolds
[off topic] Nothing good ever comes from using Euler matrices. All the cool kids a using quaternions these days. They're (in some ways) simpler, can be interpolated easily, don't suffer from gimbal lock (discontinuity), and are not confused about which axis rotation is applied first (for Euler you

Re: [Numpy-discussion] ANN: xarray v0.9 released

2017-02-01 Thread Stephan Hoyer
On Wed, Feb 1, 2017 at 12:55 AM, Marmaduke Woodman wrote: > Looks very nice; is the API stable or are you waiting for a v1.0 release? > We are pretty close to full API stability but not quite there yet. Enough people are using xarray in production that breaking changes are

Re: [Numpy-discussion] composing Euler rotation matrices

2017-02-01 Thread Matthew Brett
Hi, On Wed, Feb 1, 2017 at 8:28 AM, Robert McLeod wrote: > Instead of trying to decipher what someone wrote on a Wikipedia, why don't > you look at a working piece of source code? > > e.g. > > https://github.com/3dem/relion/blob/master/src/euler.cpp Also - have a look at

Re: [Numpy-discussion] ANN: xarray v0.9 released

2017-02-01 Thread Marmaduke Woodman
> On 1 Feb 2017, at 05:19, Stephan Hoyer wrote: > > This release includes five months worth of enhancements and bug fixes from 24 > contributors, including some significant enhancements to the data model that > are not fully backwards compatible. Looks very nice; is the

[Numpy-discussion] Fwd: Installation Problem

2017-02-01 Thread Naresh P
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Re: [Numpy-discussion] composing Euler rotation matrices

2017-02-01 Thread Robert McLeod
Instead of trying to decipher what someone wrote on a Wikipedia, why don't you look at a working piece of source code? e.g. https://github.com/3dem/relion/blob/master/src/euler.cpp Robert On Wed, Feb 1, 2017 at 4:27 AM, Seb wrote: > On Tue, 31 Jan 2017 21:23:55 -0500, >