Mercurial > hg > orthanc-stone
view OrthancStone/Sources/Toolbox/DicomStructurePolygon2.h @ 1584:bd180f97c734
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 21 Oct 2020 17:33:17 +0200 |
parents | 244ad1e4e76a |
children | 8563ea5d8ae4 |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2020 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Affero General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * This program 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 * Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #pragma once #ifdef BGO_ENABLE_DICOMSTRUCTURESETLOADER2 #include "CoordinateSystem3D.h" #include "DicomStructureSetUtils.h" #include "Extent2D.h" #include "../Scene2D/Color.h" #include "../StoneException.h" #include <FullOrthancDataset.h> #include <list> #include <string> namespace OrthancStone { /** Only polygons that are planar and parallel to either the X,Y or Z plane ("X plane" == plane where X is equal to a constant for each point) are supported. */ class DicomStructurePolygon2 { public: enum Type { ClosedPlanar, Unsupported }; DicomStructurePolygon2(std::string referencedSopInstanceUid, const std::string& type) : referencedSopInstanceUid_(referencedSopInstanceUid) , state_(Building) , minX_(std::numeric_limits<double>::max()) , maxX_(-std::numeric_limits<double>::max()) , minY_(std::numeric_limits<double>::max()) , maxY_(-std::numeric_limits<double>::max()) , minZ_(std::numeric_limits<double>::max()) , maxZ_(-std::numeric_limits<double>::max()) , type_(TypeFromString(type)) { ORTHANC_ASSERT(type_ == ClosedPlanar); } void ComputeDependentProperties(); size_t GetPointCount() const { ORTHANC_ASSERT(state_ == Valid); return points_.size(); } const Point3D& GetPoint(size_t i) const { ORTHANC_ASSERT(state_ == Valid); return points_.at(i); } void AddPoint(const Point3D& v) { ORTHANC_ASSERT(state_ == Building); points_.push_back(v); } void Reserve(size_t n) { ORTHANC_ASSERT(state_ == Building); points_.reserve(n); } /** This method takes a plane+coord system that is parallel to the polygon and adds to polygons a new vector with the ordered set of points projected on the plane, in the plane coordinate system. */ void ProjectOnParallelPlane( std::vector< std::pair<Point2D,Point2D> >& segments, const CoordinateSystem3D& plane) const; /** Returns the coordinates of the intersection of the polygon and a plane that is perpendicular to the polygons (plane has either constant X or constant Y) */ void ProjectOnConstantPlane( std::vector<Point2D>& intersections, const CoordinateSystem3D& plane) const; /** This method assumes polygon has a normal equal to 0,0,-1 and 0,0,1 (thus, the polygon is parallel to the XY plane) and returns the Z coordinate of all the polygon points */ double GetZ() const; /** The normal sign is left undefined for now */ Vector3D GetNormal() const { return normal_; } /** This method will compute the intersection between a polygon and a plane where either X, Y or Z is constant. The plane is given with an origin and a normal. If the normal is not parallel to an axis, an error is raised. */ void ComputeIntersectionWithPlane(const CoordinateSystem3D& plane); private: static Type TypeFromString(const std::string& s) { if (s == "CLOSED_PLANAR") return ClosedPlanar; else return Unsupported; } enum State { Building, Valid }; std::string referencedSopInstanceUid_; CoordinateSystem3D geometry_; std::vector<Point3D> points_; Vector3D normal_; // sign is irrelevant for now State state_; double minX_, maxX_, minY_, maxY_, minZ_, maxZ_; Type type_; }; } #endif // BGO_ENABLE_DICOMSTRUCTURESETLOADER2