TYBoundaryNoiseMapGraphic.cpp

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/*
 * Copyright (C) <2012-2024> <EDF-DTG> <FRANCE>
 * This file is part of Code_TYMPAN (R).
 * Code_TYMPAN (R) is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * Code_TYMPAN (R) is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License along
 * with Code_TYMPAN (R). If not, see <https://www.gnu.org/licenses/>.
 */
 
#include "Tympan/models/business/TYBoundaryNoiseMap.h"
#include "Tympan/models/business/TYPreferenceManager.h"
#include "Tympan/models/business/TYCalcul.h"
#include "Tympan/gui/gl/TYPaletteGraphic.h"
#include "Tympan/gui/gl/TYPanelGraphic.h"
#include "Tympan/gui/gl/TYPickingTable.h"
#include "TYBoundaryNoiseMapGraphic.h"
#include "Tympan/gui/gl/TYRenderContext.h"
#include <QtOpenGL>
 
#include <math.h>
 
TYBoundaryNoiseMapGraphic::TYBoundaryNoiseMapGraphic(TYBoundaryNoiseMap* pElement)
    : TYElementGraphic(pElement)
{
    _Rendering = RENDER_SURF;
    _pPolyLineGraphic = new TYPolyLineGraphic(pElement->isClosed());
    _pPolyLineGraphic->setTabPoint(getElement()->getTabPoint());
    _pPolyLineGraphic->setElement(pElement);
    // We don't want to render the polyline
    _pPolyLineGraphic->setVisible(false);
 
    _paletteX = 0.8;
    _paletteY = 0.25;
 
    _paletteW = 150.0;
    _paletteH = 15.0;
 
    TYElementGraphic* pTYElementGraphic = getElement()->getPalette()->getGraphicObject();
    ((TYPaletteGraphic*)pTYElementGraphic)->setWidth(_paletteW);
    ((TYPaletteGraphic*)pTYElementGraphic)->setHeight(_paletteH);
 
    _panelW = 125.0;
    _panelH = 40.0;
 
    pTYElementGraphic = getElement()->getPanel()->getGraphicObject();
    ((TYPanelGraphic*)pTYElementGraphic)->setWidth(_panelW);
    ((TYPanelGraphic*)pTYElementGraphic)->setHeight(_panelH);
    pTYElementGraphic->setVisible(false);
}
 
void TYBoundaryNoiseMapGraphic::update(bool force /*=false*/)
{
    if (getModified() || force)
    {
        // Update the polyline
        _pPolyLineGraphic = new TYPolyLineGraphic(getElement()->isClosed());
        _pPolyLineGraphic->setElement(getElement());
        _pPolyLineGraphic->setTabPoint(getElement()->getTabPoint());
        // We hide the polyline
        _pPolyLineGraphic->setVisible(false);
 
        TYBoundaryNoiseMap* boundaryNoiseMap = getElement();
 
        // And now... the mesh
        boundaryNoiseMap->computeMesh(_mesh);
 
        // And ... the isocurve
        boundaryNoiseMap->computeIsoCurve(_mesh, _isoCurve);
 
        boundaryNoiseMap->getPalette()->getGraphicObject()->update(force);
        TYElementGraphic::update(force);
    }
}
 
void TYBoundaryNoiseMapGraphic::getChilds(TYListPtrTYElementGraphic& childs, bool recursive /*=true*/)
{
    TYElementGraphic* pTYElementGraphic = _pPolyLineGraphic;
    childs.push_back(pTYElementGraphic);
    if (recursive)
    {
        pTYElementGraphic->getChilds(childs, recursive);
    }
}
 
OBox TYBoundaryNoiseMapGraphic::computeBoundingBox() const
{
    OBox boundingBox = OBox(_pPolyLineGraphic->boundingBox());
    double offset = getElement()->getThickness() * 0.5;
    OPoint3D& bb_min = boundingBox._min;
    OPoint3D& bb_max = boundingBox._max;
    bb_min._x -= offset;
    bb_min._y -= offset;
    bb_max._x += offset;
    bb_max._y += offset;
    return boundingBox;
}
 
void TYBoundaryNoiseMapGraphic::displayMixed(float opacity, bool antialiasing)
{
    displaySurface(opacity, antialiasing);
    displayLines(opacity, true);
}
 
void TYBoundaryNoiseMapGraphic::display(TYRenderContext& renderContext)
{
    if (_mesh.empty())
    {
        update();
    }
 
    if (!_visible || getElement()->etat() == false)
    {
        return;
    }
 
    if (renderContext.type == TYRenderType::Picking)
    {
        TYPickingTable::addElement(getElement());
        glPushName((GLuint)(TYPickingTable::getIndex()));
    }
 
    // Anticr�nelage par d�faut
    bool antialiasing = true;
 
    // Default opacity
    float opacity = 1.f;
#if TY_USE_IHM
    if (TYPreferenceManager::exists(TYDIRPREFERENCEMANAGER, "MaillageOpacity"))
    {
        opacity = TYPreferenceManager::getFloat(TYDIRPREFERENCEMANAGER, "MaillageOpacity");
    }
    else
    {
        TYPreferenceManager::setFloat(TYDIRPREFERENCEMANAGER, "MaillageOpacity", opacity);
    }
 
    if (TYPreferenceManager::exists(TYDIRPREFERENCEMANAGER, "Antialiasing"))
    {
        antialiasing = TYPreferenceManager::getBool(TYDIRPREFERENCEMANAGER, "Antialiasing");
    }
    else
    {
        TYPreferenceManager::setBool(TYDIRPREFERENCEMANAGER, "Antialiasing", antialiasing);
    }
#endif // TY_USE_IHM
 
    switch (_Rendering)
    {
        case RENDER_SURF:
            displaySurface(opacity, antialiasing);
            break;
        case RENDER_LINES:
            displayLines(opacity);
            break;
        case RENDER_MIXED:
            displayMixed(opacity, antialiasing);
            break;
        default:
            displaySurface(opacity, antialiasing);
            break;
    }
 
    glColor3f(1.f, 0.f, 0.f);
    if (renderContext.type == TYRenderType::Picking)
    {
        glPopName();
    }
    if (_highlight)
    {
        displayOnHighlight(renderContext);
    }
    // Panel display
    TYElementGraphic* pTYElementGraphic = getElement()->getPanel()->getGraphicObject();
    TYPanelGraphic* pTYPanelGraphic = (TYPanelGraphic*)pTYElementGraphic;
    pTYPanelGraphic->display(renderContext);
}
 
void TYBoundaryNoiseMapGraphic::displaySurface(float opacity, bool antialising) // GLenum mode = GL_RENDER
{
    LPTYPalette pPalette = getElement()->getPalette();
    size_t nbTriangles = _mesh.size();
    OColor color0;
 
    if (antialising)
    {
        glBegin(GL_TRIANGLES);
        for (size_t i = 0; i < nbTriangles; i++)
        {
            const MTriangle& vtx = _mesh[i];
            const MPoint& v1 = vtx.pts[0];
            const MPoint& v2 = vtx.pts[1];
            const MPoint& v3 = vtx.pts[2];
 
            color0 = pPalette->getColorFromValue(v1.scalar);
            glColor4f(color0.r, color0.g, color0.b, opacity);
            glVertex3f(v1.pt._x, v1.pt._y, v1.pt._z);
 
            const OColor& color1 = pPalette->getColorFromValue(v2.scalar);
            glColor4f(color1.r, color1.g, color1.b, opacity);
            glVertex3f(v2.pt._x, v2.pt._y, v2.pt._z);
 
            const OColor& color2 = pPalette->getColorFromValue(v3.scalar);
            glColor4f(color2.r, color2.g, color2.b, opacity);
            glVertex3f(v3.pt._x, v3.pt._y, v3.pt._z);
        }
        glEnd();
    }
    else
    {
        glBegin(GL_QUADS);
        for (size_t i = 0; i < nbTriangles; i = i + 2)
        {
            const MTriangle& vtx1 = _mesh[i];
            const MTriangle& vtx2 = _mesh[i + 1];
            const MPoint& v1 = vtx1.pts[0];
            const MPoint& v2 = vtx1.pts[1];
            const MPoint& v3 = vtx2.pts[2];
            const MPoint& v4 = vtx1.pts[2];
 
            color0 = pPalette->getColorFromValue((v1.scalar + v2.scalar + v3.scalar + v4.scalar) * 0.25f);
 
            glColor4f(color0.r, color0.g, color0.b, opacity);
            glVertex3f(v1.pt._x, v1.pt._y, v1.pt._z);
 
            glColor4f(color0.r, color0.g, color0.b, opacity);
            glVertex3f(v2.pt._x, v2.pt._y, v2.pt._z);
 
            glColor4f(color0.r, color0.g, color0.b, opacity);
            glVertex3f(v3.pt._x, v3.pt._y, v3.pt._z);
 
            glColor4f(color0.r, color0.g, color0.b, opacity);
            glVertex3f(v4.pt._x, v4.pt._y, v4.pt._z);
        }
        glEnd();
    }
}
 
void TYBoundaryNoiseMapGraphic::displayLines(float opacity, bool invertColors)
{
    float lw = NAN;
    glGetFloatv(GL_LINE_WIDTH, &lw);
    glLineWidth(3.0f);
 
    LPTYPalette pPalette = getElement()->getPalette();
    size_t nbIsoCurve = _isoCurve.size();
 
    glBegin(GL_LINES);
    for (size_t i = 0; i < nbIsoCurve; ++i)
    {
        const MPoint& mp = _isoCurve[i];
        const OColor& color = pPalette->getColorFromValue(mp.scalar);
        if (invertColors)
        {
            glColor4f(1.0f - color.r, 1.0f - color.g, 1.0f - color.b, opacity);
        }
        else
        {
            glColor4f(color.r, color.g, color.b, opacity);
        }
        glVertex3f(mp.pt._x, mp.pt._y,
                   mp.pt._z + 0.01); // 0.01 offset so that we can display the lines from top view
    }
    glEnd();
 
    glLineWidth(lw);
}
 
void TYBoundaryNoiseMapGraphic::displayOnHighlight(TYRenderContext& renderContext)
{
    // Display the graphical palette
    TYElementGraphic* pTYElementGraphic = getElement()->getPalette()->getGraphicObject();
    TYPaletteGraphic* pTYPaletteGraphic = (TYPaletteGraphic*)pTYElementGraphic;
 
    GLint viewport[4];
    glGetIntegerv(GL_VIEWPORT, viewport);
    unsigned int width = viewport[2];
    unsigned int height = viewport[3];
    pTYPaletteGraphic->setPosX(width * _paletteX);
    pTYPaletteGraphic->setPosY(height * _paletteY);
    pTYPaletteGraphic->display(renderContext);
}