How to reset symbol options to their defaults?

Questions
1

As an example I use Graphics3D:

Graphics3D[Cone[]]

4330b1.png
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If I set some options for following function calls:

SetOptions[Graphics3D, Axes -> True, AxesLabel -> {x, y, z}, FaceGrids -> All,
   Background -> Lighter[Gray, 0.9], ImageSize -> Small];
Graphics3D[Cone[]]

8440b2.png
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… How can I return to the default options later?

Do I really have to set every single option again, to its default value? Then I have to know all those defaults:

SetOptions[Graphics3D, Axes -> False, AxesLabel -> None, FaceGrids -> None, 
  Background -> None, ImageSize -> Automatic];
Graphics3D[Cone[]]

4330b1.png
4330b1.png480×522 35.3 KB

Or is there a way to reset all options to default values for each symbol? Of course, without knowing the default values.

2

Werner,

I would simply save the respective original options at the beginning, i.e. doing it like so:

origGrOpts = AbsoluteOptions[Graphics3D[]];
Graphics3D[Cone[]]
SetOptions[Graphics3D, Axes -> True, AxesLabel -> {x, y, z}, FaceGrids -> All, Background -> Lighter[Gray, 0.9], ImageSize -> Small];
Graphics3D[Cone[]]
SetOptions[Graphics3D, origGrOpts];
Graphics3D[Cone[]]
3

DefaultValues[Graphics3D]

Will give you all default values, including options. You can just extract the default options, but a safer way might be like this:

Lookup[DefaultValues[Graphics3D], HoldPattern[Options[Graphics3D]]]

So, resetting to defaults could look something like this:

SetOptions[Graphics3D, Lookup[DefaultValues[Graphics3D], HoldPattern[Options[Graphics3D]]]]

You could also save the options in a variable before you set your own values, and then you’d reset them back to what you saved when you’re done.

4

Another approach is to collect your custom option values in a named Sequence

myGraphics3DOptions=Sequence[
  Axes->True,AxesLabel->{x,y,z},FaceGrids->All,Background->Lighter[Gray,0.9],ImageSize->Small
];

Graphics3D[Cone[], myGraphics3DOptions]
5

Thanks Henrik & Eric,
this solutions do exactly what I asked for.

6

Thanks Hans,
this methods seems even better than SetOptions since it doesn’t affect all Graphics3D but only those where the sequence is explicitly used.