mirror of
https://github.com/GoldenCheetah/GoldenCheetah.git
synced 2026-02-14 16:39:57 +00:00
RideFileCache::meanMaxPowerFor()
.. to extract just the meanmax power data from a ridefile cache so we can aggregate and derive model parameters for new metrics to track W', CP, FTP, max-Power.
This commit is contained in:
Mark Liversedge
@@ -129,6 +129,150 @@ RideFileCache::RideFileCache(Context *context, QString fileName, RideFile *passe
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}
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}
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// returns offset from end of head
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static long offsetForMeanMax(RideFileCacheHeader head, RideFile::SeriesType series)
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{
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long offset = 0;
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switch (series) {
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case RideFile::aPower : offset += head.wattsKgMeanMaxCount * sizeof(float);
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case RideFile::wattsKg : offset += head.vamMeanMaxCount * sizeof(float);
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case RideFile::vam : offset += head.npMeanMaxCount * sizeof(float);
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case RideFile::NP : offset += head.xPowerMeanMaxCount * sizeof(float);
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case RideFile::xPower : offset += head.kphMeanMaxCount * sizeof(float);
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case RideFile::hrd : offset += head.hrdMeanMaxCount * sizeof(float);
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case RideFile::nmd : offset += head.nmdMeanMaxCount * sizeof(float);
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case RideFile::cadd : offset += head.caddMeanMaxCount * sizeof(float);
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case RideFile::wattsd : offset += head.wattsdMeanMaxCount * sizeof(float);
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case RideFile::kphd : offset += head.kphdMeanMaxCount * sizeof(float);
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case RideFile::kph : offset += head.nmMeanMaxCount * sizeof(float);
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case RideFile::nm : offset += head.cadMeanMaxCount * sizeof(float);
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case RideFile::cad : offset += head.hrMeanMaxCount * sizeof(float);
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case RideFile::hr : offset += head.wattsMeanMaxCount * sizeof(float);
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case RideFile::watts : offset += 0;
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default:
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break;
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}
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return offset;
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}
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//offset to tiz table
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static long offsetForTiz(RideFileCacheHeader head, RideFile::SeriesType series)
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{
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long offset = 0;
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// skip past the mean max arrays
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offset += head.aPowerMeanMaxCount * sizeof(float);
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offset += head.wattsKgMeanMaxCount * sizeof(float);
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offset += head.vamMeanMaxCount * sizeof(float);
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offset += head.npMeanMaxCount * sizeof(float);
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offset += head.xPowerMeanMaxCount * sizeof(float);
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offset += head.hrdMeanMaxCount * sizeof(float);
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offset += head.nmdMeanMaxCount * sizeof(float);
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offset += head.caddMeanMaxCount * sizeof(float);
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offset += head.wattsdMeanMaxCount * sizeof(float);
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offset += head.kphdMeanMaxCount * sizeof(float);
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offset += head.kphMeanMaxCount * sizeof(float);
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offset += head.nmMeanMaxCount * sizeof(float);
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offset += head.cadMeanMaxCount * sizeof(float);
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offset += head.hrMeanMaxCount * sizeof(float);
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offset += head.wattsMeanMaxCount * sizeof(float);
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// skip past the distribution arrays
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offset += head.wattsDistCount * sizeof(float);
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offset += head.hrDistCount * sizeof(float);
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offset += head.cadDistCount * sizeof(float);
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offset += head.nmDistrCount * sizeof(float);
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offset += head.kphDistCount * sizeof(float);
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offset += head.xPowerDistCount * sizeof(float);
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offset += head.npDistCount * sizeof(float);
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offset += head.wattsKgDistCount * sizeof(float);
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offset += head.aPowerDistCount * sizeof(float);
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// Watts then HR
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if (series == RideFile::hr) offset += 10 * sizeof(float);
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return offset;
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}
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// returns offset from end of head
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static long countForMeanMax(RideFileCacheHeader head, RideFile::SeriesType series)
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{
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switch (series) {
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case RideFile::aPower : return head.aPowerMeanMaxCount;
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case RideFile::wattsKg : return head.wattsKgMeanMaxCount;
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case RideFile::vam : return head.vamMeanMaxCount;
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case RideFile::NP : return head.npMeanMaxCount;
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case RideFile::xPower : return head.xPowerMeanMaxCount;
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case RideFile::kph : return head.kphMeanMaxCount;
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case RideFile::kphd : return head.kphdMeanMaxCount;
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case RideFile::wattsd : return head.wattsdMeanMaxCount;
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case RideFile::cadd : return head.caddMeanMaxCount;
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case RideFile::nmd : return head.nmdMeanMaxCount;
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case RideFile::hrd : return head.hrdMeanMaxCount;
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case RideFile::nm : return head.nmMeanMaxCount;
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case RideFile::cad : return head.cadMeanMaxCount;
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case RideFile::hr : return head.hrMeanMaxCount;
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case RideFile::watts : return head.wattsMeanMaxCount;
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default:
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break;
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}
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return 0;
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}
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QVector<float> RideFileCache::meanMaxPowerFor(Context *, QString fileName)
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{
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QTime start;
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start.start();
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QVector<float> returning;
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// Get info for ride file and cache file
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QFileInfo rideFileInfo(fileName);
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QString cacheFilename = rideFileInfo.path() + "/" + rideFileInfo.baseName() + ".cpx";
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QFileInfo cacheFileInfo(cacheFilename);
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// is it up-to-date?
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if (cacheFileInfo.exists() && cacheFileInfo.size() >= (int)sizeof(struct RideFileCacheHeader)) {
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// we have a file, it is more recent than the ride file
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// but is it the latest version?
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RideFileCacheHeader head;
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QFile cacheFile(cacheFilename);
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if (cacheFile.open(QIODevice::ReadOnly) == true) {
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// read the header
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QDataStream inFile(&cacheFile);
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inFile.readRawData((char *) &head, sizeof(head));
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// check its an up to date format and contains power
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if (head.version == RideFileCacheVersion && head.wattsMeanMaxCount > 0) {
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// WE'RE GOOD
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// get the values and place into the summarymetric map
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long offset = offsetForMeanMax(head, RideFile::watts) + sizeof(head);
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cacheFile.seek(qint64(offset));
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returning.resize(head.wattsMeanMaxCount);
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inFile.readRawData((char*)returning.constData(), head.wattsMeanMaxCount * sizeof(float));
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//qDebug()<<"retrieved:"<<head.wattsMeanMaxCount<<"in:"<<start.elapsed()<<"ms";
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}
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// we're done reading
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cacheFile.close();
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}
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}
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// profiling the code
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// will be empty if no up to date cache
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return returning;
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}
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RideFileCache::RideFileCache(RideFile *ride) :
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context(ride->context), rideFileName(""), ride(ride)
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{
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@@ -229,6 +373,7 @@ RideFileCache::decimalsFor(RideFile::SeriesType series)
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case RideFile::lrbalance : return 1; break;
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case RideFile::wprime : return 0; break;
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case RideFile::none : break;
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default : return 2;
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}
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return 2; // default
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}
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@@ -1447,99 +1592,6 @@ void RideFileCache::doubleArray(QVector<double> &into, QVector<float> &from, Rid
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return;
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}
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// returns offset from end of head
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static long offsetForMeanMax(RideFileCacheHeader head, RideFile::SeriesType series)
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{
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long offset = 0;
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switch (series) {
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case RideFile::aPower : offset += head.wattsKgMeanMaxCount * sizeof(float);
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case RideFile::wattsKg : offset += head.vamMeanMaxCount * sizeof(float);
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case RideFile::vam : offset += head.npMeanMaxCount * sizeof(float);
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case RideFile::NP : offset += head.xPowerMeanMaxCount * sizeof(float);
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case RideFile::xPower : offset += head.kphMeanMaxCount * sizeof(float);
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case RideFile::hrd : offset += head.hrdMeanMaxCount * sizeof(float);
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case RideFile::nmd : offset += head.nmdMeanMaxCount * sizeof(float);
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case RideFile::cadd : offset += head.caddMeanMaxCount * sizeof(float);
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case RideFile::wattsd : offset += head.wattsdMeanMaxCount * sizeof(float);
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case RideFile::kphd : offset += head.kphdMeanMaxCount * sizeof(float);
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case RideFile::kph : offset += head.nmMeanMaxCount * sizeof(float);
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case RideFile::nm : offset += head.cadMeanMaxCount * sizeof(float);
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case RideFile::cad : offset += head.hrMeanMaxCount * sizeof(float);
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case RideFile::hr : offset += head.wattsMeanMaxCount * sizeof(float);
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case RideFile::watts : offset += 0;
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default:
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break;
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}
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return offset;
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}
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//offset to tiz table
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static long offsetForTiz(RideFileCacheHeader head, RideFile::SeriesType series)
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{
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long offset = 0;
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// skip past the mean max arrays
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offset += head.aPowerMeanMaxCount * sizeof(float);
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offset += head.wattsKgMeanMaxCount * sizeof(float);
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offset += head.vamMeanMaxCount * sizeof(float);
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offset += head.npMeanMaxCount * sizeof(float);
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offset += head.xPowerMeanMaxCount * sizeof(float);
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offset += head.hrdMeanMaxCount * sizeof(float);
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offset += head.nmdMeanMaxCount * sizeof(float);
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offset += head.caddMeanMaxCount * sizeof(float);
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offset += head.wattsdMeanMaxCount * sizeof(float);
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offset += head.kphdMeanMaxCount * sizeof(float);
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offset += head.kphMeanMaxCount * sizeof(float);
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offset += head.nmMeanMaxCount * sizeof(float);
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offset += head.cadMeanMaxCount * sizeof(float);
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offset += head.hrMeanMaxCount * sizeof(float);
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offset += head.wattsMeanMaxCount * sizeof(float);
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// skip past the distribution arrays
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offset += head.wattsDistCount * sizeof(float);
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offset += head.hrDistCount * sizeof(float);
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offset += head.cadDistCount * sizeof(float);
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offset += head.nmDistrCount * sizeof(float);
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offset += head.kphDistCount * sizeof(float);
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offset += head.xPowerDistCount * sizeof(float);
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offset += head.npDistCount * sizeof(float);
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offset += head.wattsKgDistCount * sizeof(float);
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offset += head.aPowerDistCount * sizeof(float);
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// Watts then HR
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if (series == RideFile::hr) offset += 10 * sizeof(float);
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return offset;
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}
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// returns offset from end of head
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static long countForMeanMax(RideFileCacheHeader head, RideFile::SeriesType series)
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{
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switch (series) {
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case RideFile::aPower : return head.aPowerMeanMaxCount;
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case RideFile::wattsKg : return head.wattsKgMeanMaxCount;
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case RideFile::vam : return head.vamMeanMaxCount;
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case RideFile::NP : return head.npMeanMaxCount;
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case RideFile::xPower : return head.xPowerMeanMaxCount;
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case RideFile::kph : return head.kphMeanMaxCount;
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case RideFile::kphd : return head.kphdMeanMaxCount;
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case RideFile::wattsd : return head.wattsdMeanMaxCount;
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case RideFile::cadd : return head.caddMeanMaxCount;
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case RideFile::nmd : return head.nmdMeanMaxCount;
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case RideFile::hrd : return head.hrdMeanMaxCount;
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case RideFile::nm : return head.nmMeanMaxCount;
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case RideFile::cad : return head.cadMeanMaxCount;
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case RideFile::hr : return head.hrMeanMaxCount;
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case RideFile::watts : return head.wattsMeanMaxCount;
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default:
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break;
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}
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return 0;
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}
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double
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RideFileCache::best(Context *context, QString filename, RideFile::SeriesType series, int duration)
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{
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