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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_VSSOLUTION_HPP
#define GLVIS_VSSOLUTION_HPP
#include "gl/types.hpp"
#include "vsdata.hpp"
#include <mfem.hpp>
// Visualization header file
class VisualizationSceneSolution : public VisualizationSceneScalarData
{
protected:
mfem::Vector *v_normals{};
mfem::GridFunction *rsol{};
int drawmesh, drawelems, draworder;
enum class Numbering { NONE, ELEMENTS, EDGES, VERTICES, DOFS, MAX };
Numbering drawnums;
int drawbdr, draw_cp;
int refine_func = 0;
double minv_sol, maxv_sol;
bool have_sol_range = false; // true when minv_sol and maxv_sol are set
int TimesToRefine, EdgeRefineFactor;
gl3::GlDrawable disp_buf;
bool e_nums_buf_ready = false;
bool v_nums_buf_ready = false;
bool f_nums_buf_ready = false;
bool d_nums_buf_ready = false;
gl3::GlDrawable e_nums_buf, v_nums_buf, f_nums_buf, d_nums_buf;
gl3::GlDrawable lcurve_buf;
gl3::GlDrawable line_buf;
gl3::GlDrawable bdr_buf;
gl3::GlDrawable cp_buf;
gl3::GlDrawable order_buf;
gl3::GlDrawable order_noarrow_buf;
void Init();
void NewMeshAndSolution(mfem::Mesh *new_m, mfem::Mesh *new_mc,
mfem::Vector *new_sol,
mfem::GridFunction *new_u = nullptr);
void FindNewBox(double rx[], double ry[], double rval[]);
void DrawCPLine(gl3::GlBuilder& bld,
mfem::DenseMatrix &pointmat, mfem::Vector &values, mfem::Array<int> &ind);
void GetRefinedDetJ(int i, const mfem::IntegrationRule &ir,
mfem::Vector &vals, mfem::DenseMatrix &tr);
// redefined for vector solution
virtual void GetRefinedValues(const int i, const mfem::IntegrationRule &ir,
mfem::Vector &vals, mfem::DenseMatrix &tr,
const bool do_shrink = true);
virtual int GetRefinedValuesAndNormals(int i, const mfem::IntegrationRule &ir,
mfem::Vector &vals, mfem::DenseMatrix &tr,
mfem::DenseMatrix &normals);
void DrawLevelCurves(gl3::GlBuilder& buf, mfem::Array<int> &RG,
mfem::DenseMatrix &pointmat,
mfem::Vector &values, int sides, mfem::Array<double> &lvl,
int flat = 0);
int GetFunctionAutoRefineFactor() override;
// Used for drawing markers for element and vertex numbering
double GetElementLengthScale(int k);
public:
int attr_to_show, bdr_attr_to_show;
mfem::Array<int> el_attr_to_show, bdr_el_attr_to_show;
VisualizationSceneSolution(Window &win, bool init = true);
virtual ~VisualizationSceneSolution();
std::string GetHelpString() const override;
void NewMeshAndSolution(const DataState &s) override;
void SetNewScalingFromBox() override;
void FindNewBox(bool prepare) override;
void FindNewValueRange(bool prepare) override;
void FindNewBoxAndValueRange(bool prepare) override
{ FindNewBox(prepare); }
void FindMeshBox(bool prepare) override;
void ToggleLogscale(bool print) override;
void EventUpdateBackground() override;
void EventUpdateColors() override;
void UpdateLevelLines() override { PrepareLevelCurves(); }
void UpdateValueRange(bool prepare) override;
void PrepareWithNormals();
void PrepareFlat();
void PrepareFlat2();
void PrepareLines() override;
void PrepareLines2();
void PrepareLines3();
void Prepare() override;
void PrepareLevelCurves();
void PrepareLevelCurves2();
void PrepareBoundary();
void PrepareOrderingCurve();
void PrepareOrderingCurve1(gl3::GlDrawable& buf, bool arrows, bool color);
void PrepareNumbering(bool invalidate = true);
void PrepareElementNumbering();
void PrepareVertexNumbering();
void PrepareEdgeNumbering();
void PrepareDofNumbering();
void PrepareCP();
gl3::SceneInfo GetSceneObjs() override;
void glTF_ExportBoundary(glTF_Builder &bld,
glTF_Builder::buffer_id buffer,
glTF_Builder::material_id black_mat);
void glTF_Export() override;
void ToggleDrawBdr();
virtual void ToggleDrawElems();
void ToggleDrawMesh() { drawmesh = (drawmesh+1)%3; }
// 0 - none, 1 - no arrows (color), 2 - with arrows (color),
// 3 - no arrows (black), 4 - with arrows (black)
void ToggleDrawOrdering() { draworder = (draworder+1)%5; }
// 0 - none, 1 - elements, 2 - edges, 3 - vertices, 4 - DOFs
void ToggleDrawNumberings()
{
drawnums = (Numbering) (((int)drawnums + 1) % (int)Numbering::MAX);
PrepareNumbering(false);
}
void ToggleParallelNumbering()
{
legacy_parallel_numbering = !legacy_parallel_numbering;
std::cout << "Numbering : "
<< (legacy_parallel_numbering ? "global": "local")
<< std::endl;
PrepareNumbering(true);
}
void SetShading(Shading, bool) override;
void ToggleShading() override;
void ToggleDrawCP() { draw_cp = !draw_cp; PrepareCP(); }
void ToggleRefinements();
void ToggleRefinementFunction();
void SetRefineFactors(int, int) override;
void AutoRefine() override;
void ToggleAttributes(mfem::Array<int> &attr_list) override;
virtual void SetDrawMesh(int i) { drawmesh = i % 3; }
virtual int GetDrawMesh() { return drawmesh; }
};
void DrawNumberedMarker(gl3::GlDrawable& buff, const double x[3], double dx,
int n);
#endif // GLVIS_VSSOLUTION_HPP
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