Boundary conditions plotting

[germa89]

Implementation for plotting boundary conditions.

So far, only nodes are allowed, and only some loads/constrains are allowed.

ToDo's

• Add documentation
• Add unit tests

Related

• Closes Feature/Boundary conditions plotting #741
• Closes Plotting Boundary Conditions pymapdl_roadmap#1

[akaszynski]

Not much since this is kind of beta work

Beta is better than none.

[germa89]

I'm going to work in #731 at the same time as this (regular merges from here to there), so we can use that tech_demo as example for this feature.
I believe tech_demo 28 is more suitable that tech_demo 15. We can also add the pyvista charts.

[akaszynski]

Some minor doc changes, but other than that this is excellent. Nice work!

[koubaa]

The implementation looks fine for an imperative plotting API (which is how the plotting API is currently designed). However, maybe in the future we should consider a declaritive plotting API, i.e. one where we create a Plot object, assign graphics entities and plot settings, and then tell it to plot. That way, you can very efficiently redraw when you change a single setting or mesh change.

[germa89]

Hi @koubaa Thank you for your comments!

I agree totally with you. This is fine for now, but if plotting gather attention, we might need to re-think the whole general_plotter function and make it more OO. I believe the way to go is subclassing Pyvista Plotter. But again, since there are many things to do, let's see this feature traction first.

[germa89]

DO NOT MERGE

I'm preparing at the same time #731 so the changes demanded by that tech_demo will be included in this PR.

[akaszynski]

@germa89, let's get this merged to have the tech demos and 0.62.0 out. I'm looking forward to having this finally merged.