ResInsight/ApplicationCode/ModelVisualization/RivPolylineGenerator.cpp
2019-01-09 15:29:24 +01:00

125 lines
4.5 KiB
C++

/////////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2018- Equinor ASA
//
// ResInsight 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.
//
// ResInsight 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 at <http://www.gnu.org/licenses/gpl.html>
// for more details.
//
/////////////////////////////////////////////////////////////////////////////////
#include "RivPolylineGenerator.h"
#include "cvfDrawableGeo.h"
#include "cvfPrimitiveSetDirect.h"
#include "cvfPrimitiveSetIndexedUInt.h"
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
cvf::ref<cvf::DrawableGeo> RivPolylineGenerator::createLineAlongPolylineDrawable(const std::vector<cvf::Vec3d>& polyLine, bool closeLine)
{
std::vector<std::vector<cvf::Vec3d>> polyLines;
polyLines.push_back(polyLine);
return createLineAlongPolylineDrawable(polyLines, closeLine);
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
cvf::ref<cvf::DrawableGeo>
RivPolylineGenerator::createLineAlongPolylineDrawable(const std::vector<std::vector<cvf::Vec3d>>& polyLines, bool closeLine)
{
std::vector<cvf::uint> lineIndices;
std::vector<cvf::Vec3f> vertices;
for (const std::vector<cvf::Vec3d>& polyLine : polyLines)
{
if (polyLine.size() < 2) continue;
size_t verticesCount = vertices.size();
for (size_t i = 0; i < polyLine.size(); ++i)
{
vertices.emplace_back(polyLine[i]);
if (i < polyLine.size() - 1)
{
lineIndices.push_back(static_cast<cvf::uint>(verticesCount + i));
lineIndices.push_back(static_cast<cvf::uint>(verticesCount + i + 1));
}
}
if (closeLine && vertices.front() != vertices.back())
{
lineIndices.push_back(static_cast<cvf::uint>(verticesCount + polyLine.size() - 1));
lineIndices.push_back(static_cast<cvf::uint>(verticesCount));
}
}
if (vertices.empty()) return nullptr;
cvf::ref<cvf::Vec3fArray> vx = new cvf::Vec3fArray;
vx->assign(vertices);
cvf::ref<cvf::UIntArray> idxes = new cvf::UIntArray;
idxes->assign(lineIndices);
cvf::ref<cvf::PrimitiveSetIndexedUInt> prim = new cvf::PrimitiveSetIndexedUInt(cvf::PT_LINES);
prim->setIndices(idxes.p());
cvf::ref<cvf::DrawableGeo> polylineGeo = new cvf::DrawableGeo;
polylineGeo->setVertexArray(vx.p());
polylineGeo->addPrimitiveSet(prim.p());
return polylineGeo;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
cvf::ref<cvf::DrawableGeo> RivPolylineGenerator::createPointsFromPolylineDrawable(const std::vector<cvf::Vec3d>& polyLine)
{
std::vector<std::vector<cvf::Vec3d>> polyLines;
polyLines.push_back(polyLine);
return createPointsFromPolylineDrawable( polyLines );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
cvf::ref<cvf::DrawableGeo>
RivPolylineGenerator::createPointsFromPolylineDrawable(const std::vector<std::vector<cvf::Vec3d>>& polyLines)
{
std::vector<cvf::Vec3f> vertices;
for (const std::vector<cvf::Vec3d>& polyLine : polyLines)
{
for (const auto& pl : polyLine)
{
vertices.emplace_back(pl);
}
}
if (vertices.empty()) return nullptr;
cvf::ref<cvf::PrimitiveSetDirect> primSet = new cvf::PrimitiveSetDirect(cvf::PT_POINTS);
primSet->setStartIndex(0);
primSet->setIndexCount(vertices.size());
cvf::ref<cvf::DrawableGeo> geo = new cvf::DrawableGeo;
cvf::ref<cvf::Vec3fArray> vx = new cvf::Vec3fArray(vertices);
geo->setVertexArray(vx.p());
geo->addPrimitiveSet(primSet.p());
return geo;
}