bugGNU Octave - Bugs: bug #40251, Pan vs rotate for 3d plots with...

 
 

bug #40251: Pan vs rotate for 3d plots with FLTK vs Qt vs gnuplot

Submitted by:  Mike Miller <mtmiller>
Submitted on:  Sat Oct 12 19:00:12 2013  
 
Category: PlottingSeverity: 2 - Minor
Priority: 5 - NormalItem Group: Feature Request
Status: Need InfoAssigned to: None
Originator Name: Open/Closed: Open
Release: devOperating System: Any

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Thu Nov 24 14:27:28 2016, comment #7:

I think we should exceed expectations here. I don't find it natural from a UX (user experience) perspective that the left button isn't bound to some action by default. It seem slow and clumsy that every time a new plot comes up one has to select the action from a menu first.

Rik <rik5>
Project Administrator
Thu Nov 24 12:59:33 2016, comment #6:

Here is what Matlab (V2014b) does:
(not that we need to copy them)

2D and 3D:
No default action for any left click, scroll, right click mouse action in the figure windows. You need to select an action from the toolbar first, before you can manipulate the plot.

So with our current qt graphics toolkit we are doing the very same (in Octave 4.2.0).

Hartmut <hardy>
Sat Sep 26 03:27:14 2015, comment #5:

I just compiled and installed 4.0.0 (Debian Linux host). I am also seeing that the default is to have nothing mapped to any mouse actions. Here is what is intuitive for me:

2D:
Click drag to pan
Scroll to zoom
double click to reset view

3D:
Click drag to rotate
scroll to zoom
double click to reset view

Additionally, the Gnuplot backend used to show the cursor position in the status bar, which is very helpful when reading graphs and plots. This should be part of the new FLTK backend as well.

This is a significant usability issue since a lot of people spend a substantial fraction of their time in Octave working with the plotting tools. I request increasing the severity of this issue.

Anonymous
Sat Feb 7 17:29:30 2015, comment #4:

I like having sensible defaults. It seems weird to me that it comes up with neither mode, pan or rotate, selected. For 3-D, I think rotate is the natural default. For 2-D, I would make the default pan.

Maybe need to ask on the Octave-Maintainers list for someone with Matlab to verify what they do for defaults (not that we have to copy them).

Rik <rik5>
Project Administrator
Sat Feb 7 17:09:10 2015, comment #3:

The behavior for both FLTK and Qt for the upcoming 4.0 release is now to do nothing by default with a left mouse drag, the user has to select either the pan or rotate modes (or zoom mode in Qt) for a mouse drag to do anything.

In FLTK, right mouse drag does a zoom, prints a warning in Qt.

Gnuplot behavior hasn't changed, the default is still to rotate 3D plots when they first appear. If there's nothing that can be done about that, I'm ok with closing this as won't fix, and put the focus on consistency between FLTK and Qt going forward.

Mike Miller <mtmiller>
Project Administrator
Sat Oct 12 19:58:40 2013, comment #2:

For 2-D plots, FLTK pans when a left mouse drag is done. So for FLTK, it does the same thing with 2-D and 3-D plots.

Gnuplot does nothing by default with a left mouse drag on a 2-D plot.

Mike Miller <mtmiller>
Project Administrator
Sat Oct 12 19:53:56 2013, comment #1:

I agree. And does the behavior change based on whether a 2-D graph, like plot(), is done or a 3-D plot, like surf, is done?

Rik <rik5>
Project Administrator
Sat Oct 12 19:00:12 2013, original submission:

The initial mouse-drag function when plotting with FLTK is to pan the plot view. The initial mouse-drag function when plotting with gnuplot rotates the plot view. This should probably be consistent between plotting toolkits and consistent with what Matlab does by default (I'm not sure what that is).

Mike Miller <mtmiller>
Project Administrator

 

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    Follow 2 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Sat Feb 7 17:09:10 2015mtmillerStatusNone=>Need Info
      SummaryPan vs rotate for 3d plots with FLTK vs gnuplot=>Pan vs rotate for 3d plots with FLTK vs Qt vs gnuplot

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