189 lines
4.6 KiB
C++
189 lines
4.6 KiB
C++
/*
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----
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This file is part of SECONDO.
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Copyright (C) 2019,
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Faculty of Mathematics and Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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//[<] [\ensuremath{<}]
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//[>] [\ensuremath{>}]
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\setcounter{tocdepth}{3}
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\tableofcontents
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0 includes
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*/
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#pragma once
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#include <unordered_map>
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#include "Operator.h"
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#include "StandardTypes.h"
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#include "opAnalyzeRaster.h"
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#include "../tcPointcloud2.h"
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namespace pointcloud2
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{
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/*
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0 structure used in object map
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*/
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struct ObjProp
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{
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int pointCount;
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size_t cellCount;
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int edgeCellCount;
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double edgeAltDiff;
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int minX;
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int minY;
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double minAlt;
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double maxAlt;
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double averageAlt;
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Rect bbox;
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size_t scanIndex;
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size_t classID;
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std::string toString() const {
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return "(" + std::to_string(pointCount)
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+ ", " + std::to_string(cellCount)
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+ ", " + std::to_string(edgeCellCount)
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+ ", " + std::to_string(edgeAltDiff)
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+ ", "+ std::to_string(maxAlt-minAlt)
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+ ", "+ std::to_string(averageAlt)
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+ ", " + std::to_string(bbox.MinD(0))
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+ "-" + std::to_string(bbox.MaxD(0))
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+ "/ " + std::to_string(bbox.MinD(1))
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+ "-" + std::to_string(bbox.MaxD(1))
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+ ") |";
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}
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bool equals(ObjProp& o) {
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return (this->pointCount == o.pointCount)
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&& (this->cellCount == o.cellCount)
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&& (this->edgeCellCount == o.edgeCellCount)
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&& (this->edgeAltDiff == o.edgeAltDiff)
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&& (this->minAlt == o.minAlt)
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&& (this->maxAlt == o.maxAlt)
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&& (this->averageAlt == o.averageAlt)
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&& (this->bbox == o.bbox);
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}
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};
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/*
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0 The ARClassify Class
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This Class provides the static function classify
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for "AnalyzeRaster" Operator.
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*/
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class ARClassify {
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/*
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1.1 Parameter
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*/
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static constexpr bool RASTER_CLASSIFY_DEBUG = true;
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static constexpr bool RASTER_CLASSIFY_FINDDUPLE_EXTREME = false;
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// defines the number of properties for classification process
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// properties: pointCount, cellCount, maxAlt-minAlt, averageAlt
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static constexpr size_t fvd = 7; // (fvd =feature vector dimensions)
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static constexpr size_t fvdMax = 6; // (fvd =feature vector dimensions)
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/*
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1.1 private functions
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creates a map of objects by reading out the
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properties of each cell
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*/
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static
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std::unordered_map<int, ObjProp> createObjectMap(
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const std::vector<SmiFileId>& rasters,
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const std::vector<Rect3>& rastersBbox,
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const size_t pointInMem);
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/*
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~findDuplicates~ searches in objectmap for objects with equal properties
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but different objectIDs
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*/
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static
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void findDuplicates(std::unordered_map<int, ObjProp> object,
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std::shared_ptr<std::unordered_map<int,int>> duple);
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/*
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~testForSameValueObjects~ searches in objectmap for objects with equal
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properties but different coordinates.
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*/
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static
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void testForSameValueObjects(
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const std::unordered_map<int, ObjProp>& objects);
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/*
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computes an adjustment for the property values used as part of the
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feature vector in dbscan
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*/
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static
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void normalize(const std::unordered_map<int, ObjProp>& objects,
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double adjust[fvd]);
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/*
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for dbscan fills vector of dbscanpoints. with each object is one scanpoint.
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*/
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static
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void createDbScanVector(
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std::shared_ptr<std::vector<DbScanPoint<fvdMax> > > dbScanObjects,
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std::unordered_map<int, ObjProp>& objects,
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const double adjust[],
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size_t& ScanObjectIndex);
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/*
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recalcing bbox for attributes.
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*/
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static
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void recalcBbox(Rect& bboxObj, size_t nF, size_t pointInMem);
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/*
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1.1 public functions
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classification: each object gets a classID
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*/
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public:
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static
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std::shared_ptr<std::unordered_map<int,size_t>>
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classify (std::vector<SmiFileId> rasters,
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std::vector<Rect3> rastersBbox,
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const size_t pointInMem,
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std::shared_ptr<std::unordered_map<int,int>> duple);
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};
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} // namespace pointcloud2
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