Manim Tutorial | 3D Graphing | Tutorial 4, Manim Explained

[@andrewestrella2195]

For those compiling the code, note that the class formerly named 'ParametricSurface' has been renamed to 'Surface' and the syntax has changed a bit. The updated version for Tute2 would be surface = Surface( lambda u, v: axes.c2p(v * np.cos(u), v * np.sin(u), 0.5 * v ** 2), u_range=[0, 2*PI], v_range=[0, 3], checkerboard_colors=[GREEN, RED], )

[@andrewestrella2195]

In particular, note that the range of the parameters are now given in one line each as an array.

[@poiesh]

Will there be any release of ManimCE that is stable and not under rework?

[@aiwithaz]

An amazing tool to have while studying Calc 3!

[@greencube2467]

How can I move my 3d surface in viewport? like you do with to_edge() in 2d?

[@ictmathematics]

How to set the text to face towards the viewer or the camera?

[@kennethsmith2606]

For Class Tute3 on line 103 at 4:43, note that axes.get_graph(xxxx) must be changed to axes.plot(xxxx).

[@phy_dude]

Thanks a bunch

[@kaiov4876]

Good job, Brian, as always! 👏👏

[@BrianAmedee]

Thank you!

[@davidrysdam902]

ThreeDAxes.get_parametric_curve() is now (in 0.16) known as plot_parametric_curve()

[@bmw123ck]

Why is there a space between the surface of the cone and the side of the triangle? As the triangle rotates the generated cone doesn't stick to its side...

[@dylanparker130]

I don't know whether this is a question that's answered elsewhere but may I ask why the command "np.arrary" is used in the first code, but not in the 2nd code please? I can't see any obvious reason to use it in one case and not the other.

[@pochotom2834]

[4:00] Why do the cone and the triangle separate?

[@BrianAmedee]

I think because I have a lagged render. I'm not entirely sure.

[@matthewjames7513]

Thanks for the video Brian! Do you know if there is a way to label the z axis? x and y can be easily labelled, but the z axis can't because there is no "axes.get_z_axis_label"

[@BrianAmedee]

Yes, it can be found in the documentation :) I'll post this one here for you: docs.manim.community/en/stable/reference/manim.mobject.coordinate_systems.ThreeDAxes.html#manim.mobject.coordinate_systems.ThreeDAxes.get_z_axis_label

[@LudusYT]

@@BrianAmedee Your link doesn't work.

[@danielesantospirito5743]

Great video, but I have a problem: even if I copy the exact same code you used, my pc says: "TypeError: Mobject.__getattr__..getter() got an unexpected keyword argument 't_range'", he doesn't recognise anything of the form "a"_range, and I don't know why. Can anyone help me?

[@W0X42A]

Several functions were updated. "Deprecated classes and functions #2390: Removed deprecations up to v0.13.0 Removed get_graph, get_implicit_curve, get_derivative_graph, get_line_graph and get_parametric_curve in favour of their plot variants"

[@sofiullah-iqbal-kiron]

So pretty tutorial. Love this ❤

[@anirudh7225]

Amazing as always!

[@BrianAmedee]

Thanks mate!

[@dauhoang01]

Do you have any tips on aligning 3D parametric surfaces. Like I have two parametric surfaces but when I do ps1.next_to(ps2, UP), it doesn't do anything.

[@BrianAmedee]

This is a somewhat complex question to answer without seeing your code. I will try to answer, but to really get to the bottom of your issue properly, I'd join the discord and ask. If you are defining your ps as `ps1 = ParametricSurface(ParametricSurface lambda u,v : axes.c2p(stuff))` then you can't move the parametric surface around. It is defined on the axes. If you want them aligned on seperate axes, you could create both on a seperate VGroup and align them.

[@sinankuniyilathoot5188]

sir can you please tell how to animate text in a 3d scene without it being effected by camera motion,3b1b manim have attribute fix_in_frame for mobjects to do the same but manim community addition ,could you plase suggest some way to get over that?it would be very helpfull

[@BrianAmedee]

Oh, I know what you mean. This is a tricky problem that I know has a solution. Ask this question in the Discord community (or even search for it). It has to do with creating an 'immovable' mobject at the time of where the camera is sitting.

[@sinankuniyilathoot5188]

@@BrianAmedee ok sir

[@shoaibkhalid6156]

thanks man keep it up. just subscribed

[@BrianAmedee]

Thanks legend! I hope these are helping

[@bakani1702]

how to show a 3D cube in manim bro, thanks :))

[@BrianAmedee]

Keep an eye out for Tutorial #7 bro!

[@bakani1702]

@@BrianAmedee ok :))

[@gujodde2489]

Thanks for your work Brian! I have almost finished learning the examples from the manimce documentation, but when I try to understand the codes written by 3b1b, I notice that there is a gap between the level of manimce examples and the level of codes from 3b1b, and your tutorials are really fulfilling that gap! Now, there's one question I still have on 3D scene, is there a way to label the 3D axis, I know there is a method mobject.get_axis_labels() to label the 2D axis, but it doesn't label the 3D one, do you know a method which label the 3D axis?

[@BrianAmedee]

Thanks for your comment, I am glad that these tutorials are helping the gap. Grant's work is on another level! Good question, I don't know if there is a function to call for this (yet). This would be the sort of question I would ask in the discord, however, I am pretty sure the ManimCE developers are working on 3D scene.

[@tigab37]

Anyone else seeing the ThreeDScene class pretty much completely scrapped now? Quite annoying

[@tigab37]

If you're having trouble finding a replacement for camera rotation in a normal scene, something like the following does the trick; self.play(Rotate(self.camera.frame, 1*DEGREES, axis=np.array((-1., 1., 0.)) ) )

[@BrianAmedee]

Yeah, it is feeling that way. Not completely depreciated yet

[@scollyer.tuition]

Why is it scrapped? It's still present in the manimCE documentation. Anyone want to explain for a clueless manim noob? Has it been deprecated?

[@tigab37]

​@@scollyer.tuition I believe everything you could do in a ThreeDScene had its functionality replicated in the regular Scene, it's just a matter of figuring out how to get to it until the documentation gets updated

[@scollyer.tuition]

@@tigab37 I see. Thanks. That sounds less worrying than I had expected.