Re: Axes Ticks Positioning in 3D plots (FLTK)

[Ben Abbott]

On Jan 9, 2011, at 9:27 PM, Ben Abbott wrote:

> On Jan 9, 2011, at 8:29 PM, Jordi Gutiérrez Hermoso wrote:
> 
>> On 9 January 2011 17:07, logari81 <address@hidden> wrote:
>>> In the attached patch I have modified the positioning of axes in 3D
>>> plots, in order to make it more compatible with ML.
>> 
>> Is this "compatibility"? I always thought of compatibility of just
>> making sure code written for Matlab also work in Octave, not so much
>> about superficial cosmetic differences. Will someone really complain
>> about how incompatible Octave is because it displays ticks at top
>> instead of bottom when you rotate to look at the bottom? I like how
>> the ticks without your patch are always jutting out. With your patch,
>> the ticks are either coming out of the screen or going into the screen
>> depending on the elevation from which you're looking at the figure.
>> 
>> 
>> On 9 January 2011 17:38, Ben Abbott <address@hidden> wrote:
>>> The axis box and grid lines appear to create a 3D cube whose
>>> contents are hidden. Thus the globe appears (to me) to be outside
>>> the axis limits.
>> 
>> You appear to be a victim of this:
>> 
>>    http://en.wikipedia.org/wiki/Necker_Cube
>> 
>> I agree with Ben here on what it appears to look like. I don't like
>> this Matlab behaviour. Having the ticks on top seems to give a sort of
>> visual cue that the figure is inside the cube, not on top of it.
>> 
>> Or it could be just a case of the spinning dancer, everyone sees it
>> one way and exactly one way only and can't agree with people who see
>> it the opposite way.
>> 
>> - Jordi G. H.
> 
> I've applied the patch and run the ellipsoid demo.
> 
>       demo ellipsoid
> 
> Using the mouse to rotate, the result looks very nice to me.
> 
> My apologies to Jordi, but after applying the patches and experimenting, I 
> like the result.
> 
> I've uploaded a couple of mpg videos so others can compare Kostas' 
> implementation with what I see with Matlab 2010b on MacOS X.
> 
> The Octave version is  ...
> 
>       https://files.me.com/bpabbott/zahp7n
> 
> The Matlab one is ...
> 
>       https://files.me.com/bpabbott/k0xzj8
> 
> Ben

I think I've misapplied the patch. If I remember what I did the Octave version 
is the results *before* Kostas' changeset was applied.

I'll apply the changeset and produce another video.

Ben