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// Copyright (c) 2010-2026, Lawrence Livermore National Security, LLC. Produced
// at the Lawrence Livermore National Laboratory. All Rights reserved. See files
// LICENSE and NOTICE for details. LLNL-CODE-443271.
//
// This file is part of the GLVis visualization tool and library. For more
// information and source code availability see https://glvis.org.
//
// GLVis is free software; you can redistribute it and/or modify it under the
// terms of the BSD-3 license. We welcome feedback and contributions, see file
// CONTRIBUTING.md for details.
#ifndef GLVIS_VSVECTOR_3D_HPP
#define GLVIS_VSVECTOR_3D_HPP
#include <mfem.hpp>
#include "gl/types.hpp"
#include "vssolution3d.hpp"
class VisualizationSceneVector3d : public VisualizationSceneSolution3d
{
protected:
mfem::Vector *solx, *soly, *solz;
int drawvector;
enum class ScalarFunction
{
Invalid = -1,
Min = -1,
//----------
Magnitude,
Component_X,
Component_Y,
Component_Z,
//----------
Max
} scal_func;
static const char *scal_func_name[];
double mesh_volume;
gl3::GlDrawable vector_buf;
gl3::GlDrawable displine_buf;
mfem::GridFunction *VecGridF{};
mfem::FiniteElementSpace *sfes{};
void Init();
void NewMeshAndSolution(mfem::Mesh *new_m, mfem::Mesh *new_mc,
mfem::Vector *new_sol_x, mfem::Vector *new_sol_y, mfem::Vector *new_sol_z,
mfem::GridFunction *new_u = nullptr);
mfem::Array<int> vflevel;
mfem::Array<double> dvflevel;
int GetFunctionAutoRefineFactor() override;
public:
int ianim, ianimd, ianimmax, drawdisp;
VisualizationSceneVector3d(Window &win);
void NewMeshAndSolution(const DataState &s) override;
void FindNewValueRange(bool prepare) override;
virtual ~VisualizationSceneVector3d();
std::string GetHelpString() const override;
void NPressed();
void PrepareFlat() override;
void Prepare() override;
void PrepareLines() override;
void PrepareFlat2();
void PrepareLines2();
void DrawVector (gl3::GlDrawable& buf,
int type, double v0, double v1, double v2,
double sx, double sy, double sz, double s);
virtual void PrepareVectorField();
void PrepareDisplacedMesh();
void ToggleVectorField(int i);
void SetScalarFunction();
void ToggleScalarFunction();
void PrepareCuttingPlane() override;
void ToggleDisplacements() {drawdisp = (drawdisp+1)%2;};
gl3::SceneInfo GetSceneObjs() override;
void EventUpdateColors() override
{ Prepare(); PrepareVectorField(); PrepareCuttingPlane(); };
void ToggleVectorFieldLevel(int v);
void AddVectorFieldLevel();
void RemoveVectorFieldLevel();
};
#endif
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