+1 for threejs as default. David On Mon, Sep 23, 2019 at 7:24 PM Travis Scrimshaw <tsc...@ucdavis.edu> wrote:
> +1 for making the default threejs. > > Best, > Travis > > On Monday, September 23, 2019 at 9:51:23 PM UTC+10, Eric Gourgoulhon wrote: >> >> Dear Sage-dev, >> >> This is a poll to make three.js (https://threejs.org/) the default 3d >> viewer >> in Sage, in replacement of Jmol (https://sourceforge.net/projects/jmol/). >> >> Indeed, thanks to the work of Paul Masson, the three.js 3d viewer is >> doing a >> very good job in displaying Sage 3d plots, as you can see in these >> examples >> taken from Sage reference's manual: >> >> https://nbviewer.jupyter.org/github/egourgoulhon/SageMathTest/blob/master/Worksheets/sage_reference_threejs.ipynb >> >> You can rotate/zoom the 3d view with the mouse and, by clicking on the >> small black >> arrow at the bottom right of the view, you can download a png screenshot. >> >> Other examples of three.js rendering can be found in this notebook >> devoted to >> anti de Sitter space: >> >> https://nbviewer.jupyter.org/github/sagemanifolds/SageManifolds/blob/master/Notebooks/SM_anti_de_Sitter.ipynb >> >> For more information about the three.js renderer in Sage, see >> https://doc.sagemath.org/html/en/reference/plot3d/threejs.html >> >> The discussion about having three.js as the default viewer is taking >> place in >> the ticket >> https://trac.sagemath.org/ticket/22408 >> This ticket also contains the git branch to perform the change if decided. >> >> Here is a discussion summary: in favor of three.js, we have >> >> - three.js, which is based on the WebGL API, displays 3d plots faster than >> Jmol, and with a better quality >> >> - 3d plots rendered with three.js can be publicly shared via >> nbviewer.jupyter.org, contrary to those rendered with Jmol, which >> appear as >> blank spaces, cf. this test notebook: >> >> https://nbviewer.jupyter.org/github/egourgoulhon/SageMathTest/blob/master/Worksheets/test_3d_view.ipynb >> >> - three.js enables to label the plot axes (via the option 'axes_labels', >> the default >> of which is ['x', 'y', 'z']); on the opposite, there are no labels on >> Jmol >> plots and the option 'axes_labels' is ineffective, which looks like a >> serious >> drawback for a mathematical software... >> >> - Jmol causes many troubles to Sage packagers (see #22408 >> <https://trac.sagemath.org/ticket/22408> for details); >> for instance in Sage 8.8 console, Jmol display is broken on recent >> Debian-based distros (e.g. Debian Buster and Ubuntu 18.04), due to a JRE >> issue; fortunately this is fixed by >> https://trac.sagemath.org/ticket/25026 >> >> On the con side, there are >> >> - the current lack of non-interactive conversion of three.js views to >> static >> png figures (in interactive mode, the black arrow mentioned above does >> the >> job). As a result, the png figures in the reference manual will still be >> generated with Jmol, as proposed in #22408 >> <https://trac.sagemath.org/ticket/22408> >> >> - some minor opacity issues (see #22408 >> <https://trac.sagemath.org/ticket/22408> for details) >> >> >> Given the above elements, please vote! >> >> Eric. >> >> -- > You received this message because you are subscribed to the Google Groups > "sage-devel" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-devel+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sage-devel/0579cfb4-85c0-42e4-b5ee-0d10d92ffc26%40googlegroups.com > <https://groups.google.com/d/msgid/sage-devel/0579cfb4-85c0-42e4-b5ee-0d10d92ffc26%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-devel/CAChs6_nYCg-26SJRT6OuLeLBuoUWa6M2g3Rf4_EoxMORRe446w%40mail.gmail.com.
