157 lines
3.4 KiB
Text
157 lines
3.4 KiB
Text
/**
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* @file
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* @brief Implementation of reading 3D scans
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* @author Kai Lingemann. Institute of Computer Science, University of Osnabrueck, Germany.
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* @author Andreas Nuechter. Institute of Computer Science, University of Osnabrueck, Germany.
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*/
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#include "slam6d/scan_io_txyzr.h"
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#include "slam6d/globals.icc"
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#include <fstream>
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using std::ifstream;
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#include <iostream>
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using std::cout;
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using std::cerr;
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using std::endl;
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#ifdef _MSC_VER
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#include <windows.h>
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#endif
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static double X;
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static double Y;
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static double Z;
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static bool FIRST_POINT = true;
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/**
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* Reads specified scans from given directory.
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*
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* Scan poses will NOT be initialized after a call
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* to this function.
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*
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* This function actually implements loading of 3D scans
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* in UOS + reflectance file format and will be compiled as shared lib.
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*
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* @param start Starts to read with this scan
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* @param end Stops with this scan
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* @param dir The directory from which to read
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* @param maxDist Reads only Points up to this Distance
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* @param minDist Reads only Points from this Distance
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* @param euler Initital pose estimates (will not be applied to the points
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* @param ptss Vector containing the read points
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*/
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int ScanIO_txyzr::readScans(int start, int end, string &dir, int maxDist, int mindist,
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double *euler, vector<Point> &ptss)
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{
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static int fileCounter = start;
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string scanFileName;
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ifstream scan_in;
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double maxDist2 = sqr(maxDist);
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int my_fileNr = fileCounter;
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if (end > -1 && fileCounter > end) return -1; // 'nuf read
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scanFileName = dir + "scan" + to_string(fileCounter,3) + ".xyz";
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scan_in.open(scanFileName.c_str());
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// read 3D scan
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if (!scan_in.good()) return -1; // no more files in the directory
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cout << "Processing Scan " << scanFileName;
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for (unsigned int i = 0; i < 6; euler[i++] = 0.0);
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cout << " @ pose (" << euler[0] << "," << euler[1] << "," << euler[2]
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<< "," << euler[3] << "," << euler[4] << "," << euler[5] << ")" << endl;
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// overread the first line
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char dummy[255];
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double ddummy,x,y,z;
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scan_in.getline(dummy, 255);
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while (scan_in.good()) {
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Point p;
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try {
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scan_in >> ddummy;
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scan_in >> x;
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scan_in >> y;
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scan_in >> z;
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p.x = 100.0*x;
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p.y = 100.0*z;
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p.z = 100.0*y;
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if (FIRST_POINT) {
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X = p.x;
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Y = p.y;
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Z = p.z;
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FIRST_POINT = false;
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}
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// scan_in >> p;
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scan_in >> p.reflectance;
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} catch (...) {
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break;
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}
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// load points up to a certain distance only
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// maxDist2 = -1 indicates no limitation
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if (maxDist == -1 || sqr(p.x) + sqr(p.y) + sqr(p.z) < maxDist2) {
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if (!ptss.empty()) {
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//p -= ptss[0];
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p.x -= X;
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p.y -= Y;
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p.z -= Z;
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}
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ptss.push_back(p);
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}
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}
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if (!ptss.empty()) {
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ptss[0].x = ptss[0].y = ptss[0].z = 0.0;
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}
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scan_in.close();
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scan_in.clear();
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fileCounter++;
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return my_fileNr;
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}
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/**
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* class factory for object construction
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*
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* @return Pointer to new object
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*/
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#ifdef _MSC_VER
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extern "C" __declspec(dllexport) ScanIO* create()
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#else
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extern "C" ScanIO* create()
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#endif
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{
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return new ScanIO_txyzr;
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}
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/**
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* class factory for object construction
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*
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* @return Pointer to new object
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*/
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#ifdef _MSC_VER
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extern "C" __declspec(dllexport) void destroy(ScanIO *sio)
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#else
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extern "C" void destroy(ScanIO *sio)
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#endif
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{
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delete sio;
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}
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#ifdef _MSC_VER
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BOOL APIENTRY DllMain(HANDLE hModule, DWORD dwReason, LPVOID lpReserved)
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{
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return TRUE;
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}
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#endif
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