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#1602 Consolidate some intersection functionality to common tools class

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This commit is contained in:
Bjørnar Grip Fjær
2017-06-16 09:44:28 +02:00
parent 2e764b3fe5
commit 2090db62b2
9 changed files with 125 additions and 99 deletions
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63
ApplicationCode/ReservoirDataModel/RigHexIntersectionTools.cpp
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@@ -17,10 +17,14 @@
/////////////////////////////////////////////////////////////////////////////////
#include "RigHexIntersectionTools.h"
#include "RigCellGeometryTools.h"
#include "cvfBoundingBox.h"
#include "cvfGeometryTools.h"
#include "cvfRay.h"
#include "cafHexGridIntersectionTools/cafHexGridIntersectionTools.h"
//--------------------------------------------------------------------------------------------------
///
@@ -89,3 +93,62 @@ bool RigHexIntersectionTools::isPointInCell(const cvf::Vec3d point, const cvf::V
}
return intersections % 2 == 1;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RigHexIntersectionTools::planeHexCellIntersection(cvf::Vec3d* hexCorners, cvf::Plane fracturePlane, std::list<std::pair<cvf::Vec3d, cvf::Vec3d > >& intersectionLineSegments)
{
bool isCellIntersected = false;
for (int face = 0; face < 6; ++face)
{
cvf::ubyte faceVertexIndices[4];
cvf::StructGridInterface::cellFaceVertexIndices(static_cast<cvf::StructGridInterface::FaceType>(face), faceVertexIndices);
cvf::Vec3d faceCenter = cvf::GeometryTools::computeFaceCenter(hexCorners[faceVertexIndices[0]], hexCorners[faceVertexIndices[1]], hexCorners[faceVertexIndices[2]], hexCorners[faceVertexIndices[3]]);
for (int i = 0; i < 4; i++)
{
int next = i < 3 ? i + 1 : 0;
caf::HexGridIntersectionTools::ClipVx triangleIntersectionPoint1;
caf::HexGridIntersectionTools::ClipVx triangleIntersectionPoint2;
bool isMostVxesOnPositiveSideOfP1 = false;
bool isIntersectingPlane = caf::HexGridIntersectionTools::planeTriangleIntersection(fracturePlane,
hexCorners[faceVertexIndices[i]], 0,
hexCorners[faceVertexIndices[next]], 1,
faceCenter, 2,
&triangleIntersectionPoint1, &triangleIntersectionPoint2, &isMostVxesOnPositiveSideOfP1);
if (isIntersectingPlane)
{
isCellIntersected = true;
intersectionLineSegments.push_back({ triangleIntersectionPoint1.vx, triangleIntersectionPoint2.vx });
}
}
} return isCellIntersected;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RigHexIntersectionTools::planeHexIntersectionPolygons(std::array<cvf::Vec3d, 8> hexCorners,
cvf::Mat4f transformMatrixForPlane,
std::vector<std::vector<cvf::Vec3d> >& polygons)
{
bool isCellIntersected = false;
cvf::Plane fracturePlane;
fracturePlane.setFromPointAndNormal(static_cast<cvf::Vec3d>(transformMatrixForPlane.translation()),
static_cast<cvf::Vec3d>(transformMatrixForPlane.col(2)));
//Find line-segments where cell and fracture plane intersects
std::list<std::pair<cvf::Vec3d, cvf::Vec3d > > intersectionLineSegments;
isCellIntersected = planeHexCellIntersection(hexCorners.data(), fracturePlane, intersectionLineSegments);
RigCellGeometryTools::createPolygonFromLineSegments(intersectionLineSegments, polygons);
return isCellIntersected;
}