SUMO - Simulation of Urban MObility
TrackerValueDesc.cpp
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00001 /****************************************************************************/
00010 // Storage for a tracked value
00011 /****************************************************************************/
00012 // SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
00013 // Copyright (C) 2001-2012 DLR (http://www.dlr.de/) and contributors
00014 /****************************************************************************/
00015 //
00016 //   This file is part of SUMO.
00017 //   SUMO is free software: you can redistribute it and/or modify
00018 //   it under the terms of the GNU General Public License as published by
00019 //   the Free Software Foundation, either version 3 of the License, or
00020 //   (at your option) any later version.
00021 //
00022 /****************************************************************************/
00023 // ===========================================================================
00024 // included modules
00025 // ===========================================================================
00026 #ifdef _MSC_VER
00027 #include <windows_config.h>
00028 #else
00029 #include <config.h>
00030 #endif
00031 
00032 #include <string>
00033 #include <vector>
00034 #include <utils/common/RGBColor.h>
00035 #include <utils/gui/globjects/GUIGlObject.h>
00036 #include "TrackerValueDesc.h"
00037 
00038 #ifdef CHECK_MEMORY_LEAKS
00039 #include <foreign/nvwa/debug_new.h>
00040 #endif // CHECK_MEMORY_LEAKS
00041 
00042 
00043 // ===========================================================================
00044 // method definitions
00045 // ===========================================================================
00046 TrackerValueDesc::TrackerValueDesc(const std::string& name,
00047                                    const RGBColor& col,
00048                                    SUMOTime recordBegin)
00049     : myName(name), myActiveCol(col), myInactiveCol(col),
00050       myMin(0), myMax(0),
00051       myAggregationInterval(TIME2STEPS(1) / DELTA_T), myInvalidValue(-1), myValidNo(0),
00052       myRecordingBegin(recordBegin), myTmpLastAggValue(0) {}
00053 
00054 
00055 TrackerValueDesc::~TrackerValueDesc() {
00056     // just to quit cleanly on a failure
00057     if (myLock.locked()) {
00058         myLock.unlock();
00059     }
00060 }
00061 
00062 
00063 void
00064 TrackerValueDesc::addValue(SUMOReal value) {
00065     if (myValues.size() == 0) {
00066         myMin = value;
00067         myMax = value;
00068     } else {
00069         myMin = value < myMin ? value : myMin;
00070         myMax = value > myMax ? value : myMax;
00071     }
00072     myLock.lock();
00073     myValues.push_back(value);
00074     if (value != myInvalidValue) {
00075         myTmpLastAggValue += value;
00076         myValidNo++;
00077     }
00078     const SUMOReal avg = myValidNo == 0 ? static_cast<SUMOReal>(0) : myTmpLastAggValue / static_cast<SUMOReal>(myValidNo);
00079     if (myAggregationInterval == 1 || myValues.size() % myAggregationInterval == 1) {
00080         myAggregatedValues.push_back(avg);
00081     } else {
00082         myAggregatedValues.back() = avg;
00083     }
00084     if (myValues.size() % myAggregationInterval == 0) {
00085         myTmpLastAggValue = 0;
00086         myValidNo = 0;
00087     }
00088     myLock.unlock();
00089 }
00090 
00091 
00092 SUMOReal
00093 TrackerValueDesc::getRange() const {
00094     return myMax - myMin;
00095 }
00096 
00097 
00098 SUMOReal
00099 TrackerValueDesc::getMin() const {
00100     return myMin;
00101 }
00102 
00103 
00104 SUMOReal
00105 TrackerValueDesc::getMax() const {
00106     return myMax;
00107 }
00108 
00109 
00110 SUMOReal
00111 TrackerValueDesc::getYCenter() const {
00112     return (myMin + myMax) / 2.0f;
00113 }
00114 
00115 
00116 const RGBColor&
00117 TrackerValueDesc::getColor() const {
00118     return myActiveCol;
00119 }
00120 
00121 
00122 const std::vector<SUMOReal> &
00123 TrackerValueDesc::getValues() {
00124     myLock.lock();
00125     return myValues;
00126 }
00127 
00128 
00129 const std::vector<SUMOReal> &
00130 TrackerValueDesc::getAggregatedValues() {
00131     myLock.lock();
00132     return myAggregatedValues;
00133 }
00134 
00135 
00136 const std::string&
00137 TrackerValueDesc::getName() const {
00138     return myName;
00139 }
00140 
00141 void
00142 TrackerValueDesc::unlockValues() {
00143     myLock.unlock();
00144 }
00145 
00146 
00147 void
00148 TrackerValueDesc::setAggregationSpan(SUMOTime as) {
00149     myLock.lock();
00150     if (myAggregationInterval != as / DELTA_T) {
00151         myAggregationInterval = as / DELTA_T;
00152         // ok, the aggregation has changed,
00153         //  let's recompute the list of aggregated values
00154         myAggregatedValues.clear();
00155         std::vector<SUMOReal>::const_iterator i = myValues.begin();
00156         while (i != myValues.end()) {
00157             myTmpLastAggValue = 0;
00158             myValidNo = 0;
00159             for (int j = 0; j < myAggregationInterval && i != myValues.end(); j++, ++i) {
00160                 if ((*i) != myInvalidValue) {
00161                     myTmpLastAggValue += (*i);
00162                     myValidNo++;
00163                 }
00164             }
00165             if (myValidNo == 0) {
00166                 myAggregatedValues.push_back(0);
00167             } else {
00168                 myAggregatedValues.push_back(myTmpLastAggValue / static_cast<SUMOReal>(myValidNo));
00169             }
00170         }
00171     }
00172     myLock.unlock();
00173 }
00174 
00175 
00176 SUMOTime
00177 TrackerValueDesc::getAggregationSpan() const {
00178     return (SUMOTime)(myAggregationInterval) * DELTA_T;
00179 }
00180 
00181 
00182 SUMOTime
00183 TrackerValueDesc::getRecordingBegin() const {
00184     return myRecordingBegin;
00185 }
00186 
00187 
00188 
00189 /****************************************************************************/
00190 
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