mirror of
https://github.com/jkriege2/JKQtPlotter.git
synced 2024-11-16 10:35:49 +08:00
417 lines
11 KiB
C++
417 lines
11 KiB
C++
/*
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Copyright (c) 2008-2024 Jan W. Krieger (<jan@jkrieger.de>)
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This software is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License (LGPL) as published by
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the Free Software Foundation, either version 2.1 of the License, or
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(at your option) any later version.
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This program 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 Lesser General Public License (LGPL) for more details.
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You should have received a copy of the GNU Lesser General Public License (LGPL)
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "jkqtplotter/graphs/jkqtpevaluatedfunctionbase.h"
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#include "jkqtplotter/jkqtpbaseplotter.h"
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#include <stdlib.h>
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#include <QDebug>
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#include <iostream>
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#include "jkqtplotter/jkqtptools.h"
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#include "jkqtplotter/graphs/jkqtpimage.h"
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#include "jkqtplotter/jkqtpbaseelements.h"
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#include "jkqtplotter/jkqtplotter.h"
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#define SmallestGreaterZeroCompare_xvsgz() if ((xvsgz>10.0*DBL_MIN)&&((smallestGreaterZero<10.0*DBL_MIN) || (xvsgz<smallestGreaterZero))) smallestGreaterZero=xvsgz;
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JKQTPEvaluatedFunctionGraphBase::JKQTPEvaluatedFunctionGraphBase(JKQTBasePlotter* parent):
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JKQTPGraph(parent),
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parameterColumn(-1),
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minSamples(50),
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maxRefinementDegree(5),
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slopeTolerance(0.005),
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minPixelPerSample(32),
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dataCleanupMaxAllowedAngleDegree(0.2),
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displaySamplePoints(false)
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{
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data.clear();
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iparams.clear();
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}
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JKQTPEvaluatedFunctionGraphBase::JKQTPEvaluatedFunctionGraphBase(JKQTPlotter* parent):
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JKQTPEvaluatedFunctionGraphBase(parent->getPlotter())
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{
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}
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JKQTPEvaluatedFunctionGraphBase::~JKQTPEvaluatedFunctionGraphBase()
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{
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data.clear();
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}
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void JKQTPEvaluatedFunctionGraphBase::drawSamplePoints(JKQTPEnhancedPainter& painter, QColor graphColor) {
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QColor c=graphColor;
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c.setHsv(fmod(c.hue()+90, 360), c.saturation(), c.value());
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painter.save(); auto __finalpaintsamplepoints=JKQTPFinally([&painter]() {painter.restore();});
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for (const auto& d: data) {
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if (JKQTPIsOKFloat(d.x()) && JKQTPIsOKFloat(d.y())) {
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JKQTPPlotSymbol(painter, d.x(), d.y(), JKQTPCross, 6,1*parent->getLineWidthMultiplier(), c, QColor(Qt::transparent), QGuiApplication::font().family());
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}
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}
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}
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void JKQTPEvaluatedFunctionGraphBase::setMinSamples(const unsigned int &__value)
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{
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this->minSamples = __value;
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}
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unsigned int JKQTPEvaluatedFunctionGraphBase::getMinSamples() const
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{
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return this->minSamples;
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}
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void JKQTPEvaluatedFunctionGraphBase::setMaxRefinementDegree(const unsigned int &__value)
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{
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this->maxRefinementDegree = __value;
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}
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unsigned int JKQTPEvaluatedFunctionGraphBase::getMaxRefinementDegree() const
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{
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return this->maxRefinementDegree;
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}
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void JKQTPEvaluatedFunctionGraphBase::setSlopeTolerance(double __value)
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{
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this->slopeTolerance = __value;
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}
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double JKQTPEvaluatedFunctionGraphBase::getSlopeTolerance() const
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{
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return this->slopeTolerance;
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}
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void JKQTPEvaluatedFunctionGraphBase::setMinPixelPerSample(double __value)
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{
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this->minPixelPerSample = __value;
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}
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double JKQTPEvaluatedFunctionGraphBase::getMinPixelPerSample() const
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{
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return this->minPixelPerSample;
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}
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void JKQTPEvaluatedFunctionGraphBase::setDataCleanupMaxAllowedAngleDegree(double __value)
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{
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dataCleanupMaxAllowedAngleDegree=__value;
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}
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double JKQTPEvaluatedFunctionGraphBase::getDataCleanupMaxAllowedAngleDegree() const
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{
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return dataCleanupMaxAllowedAngleDegree;
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}
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void JKQTPEvaluatedFunctionGraphBase::setDisplaySamplePoints(bool __value)
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{
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this->displaySamplePoints = __value;
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}
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void JKQTPEvaluatedFunctionGraphBase::createPlotData(bool collectParams)
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{
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#ifdef JKQTBP_AUTOTIMER
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JKQTPAutoOutputTimer jkaat(QString("JKQTPEvaluatedFunctionWithErrorsGraphBase[%1]::createPlotData()").arg(title));
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#endif
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data.clear();
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if (collectParams) collectParameters();
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PlotFunctorSpec plotfunc= buildPlotFunctorSpec();
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if (plotfunc.isValid()) {
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std::function<QPointF(double)> fTransformedFunc= std::bind([plotfunc](const JKQTPPlotElement* plot, double t) -> QPointF { return plot->transform(plotfunc.func(t)); }, this, std::placeholders::_1);
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JKQTPAdaptiveFunctionGraphEvaluator evaluator(fTransformedFunc, minSamples, maxRefinementDegree, slopeTolerance, minPixelPerSample);
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data=evaluator.evaluate(plotfunc.range_start, plotfunc.range_end);
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data=JKQTPSimplyfyLineSegemnts(data, dataCleanupMaxAllowedAngleDegree);
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}
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}
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bool JKQTPEvaluatedFunctionGraphBase::getDisplaySamplePoints() const
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{
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return this->displaySamplePoints;
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}
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bool JKQTPEvaluatedFunctionGraphBase::getXMinMax(double &minx, double &maxx, double &smallestGreaterZero)
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{
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if (data.size()==0) createPlotData();
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if (data.size()>0){
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bool start=true;
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minx=0;
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maxx=0;
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smallestGreaterZero=0;
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for (auto const& d: data) {
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if (JKQTPIsOKFloat(d.x())) {
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if (start || d.x()>maxx) maxx=d.x();
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if (start || d.x()<minx) minx=d.x();
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double xvsgz;
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xvsgz=d.x(); SmallestGreaterZeroCompare_xvsgz();
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start=false;
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}
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}
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return !start;
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} else {
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smallestGreaterZero=minx=maxx=0; return false;
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}
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}
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bool JKQTPEvaluatedFunctionGraphBase::getYMinMax(double &miny, double &maxy, double &smallestGreaterZero)
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{
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if (data.size()==0) createPlotData();
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if (data.size()>0){
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bool start=true;
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miny=0;
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maxy=0;
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smallestGreaterZero=0;
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for (auto const& d: data) {
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if (JKQTPIsOKFloat(d.y())) {
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if (start || d.y()>maxy) maxy=d.y();
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if (start || d.y()<miny) miny=d.y();
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double xvsgz;
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xvsgz=d.x(); SmallestGreaterZeroCompare_xvsgz();
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start=false;
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}
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}
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return !start;
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} else {
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smallestGreaterZero=miny=maxy=0; return false;
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}
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}
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void JKQTPEvaluatedFunctionGraphBase::collectParameters()
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{
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if (parent && parameterColumn>=0) {
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iparams.clear();
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JKQTPDatastore* datastore=parent->getDatastore();
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int imin=0;
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int imax=static_cast<int>(datastore->getRows(parameterColumn));
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for (int i=imin; i<imax; i++) {
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double xv=datastore->get(parameterColumn,i);
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iparams<<xv;
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}
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int i=iparams.size()-1;
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while (i>=0 && !JKQTPIsOKFloat(iparams[i])) {
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iparams.remove(i,1);
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i--;
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}
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}
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}
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void JKQTPEvaluatedFunctionGraphBase::setParams(const QVector<double> ¶ms)
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{
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iparams=params;
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}
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void JKQTPEvaluatedFunctionGraphBase::setCopiedParams(const double *params, int N)
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{
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QVector<double> v;
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for (int i=0; i<N; i++) { v<<params[i]; }
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setParams(v);
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}
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void JKQTPEvaluatedFunctionGraphBase::setParamsV(double p1) {
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QVector<double> p;
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p<<p1;
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setParams(p);
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}
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void JKQTPEvaluatedFunctionGraphBase::setParamsV(double p1, double p2) {
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QVector<double> p;
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p<<p1<<p2;
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setParams(p);
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}
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void JKQTPEvaluatedFunctionGraphBase::setParamsV(double p1, double p2, double p3) {
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QVector<double> p;
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p<<p1<<p2<<p3;
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setParams(p);
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}
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void JKQTPEvaluatedFunctionGraphBase::setParamsV(double p1, double p2, double p3, double p4) {
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QVector<double> p;
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p<<p1<<p2<<p3<<p4;
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setParams(p);
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}
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void JKQTPEvaluatedFunctionGraphBase::setParamsV(double p1, double p2, double p3, double p4, double p5) {
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QVector<double> p;
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p<<p1<<p2<<p3<<p4<<p5;
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setParams(p);
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}
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void JKQTPEvaluatedFunctionGraphBase::setParameterColumn(int __value)
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{
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this->parameterColumn = __value;
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}
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int JKQTPEvaluatedFunctionGraphBase::getParameterColumn() const
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{
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return this->parameterColumn;
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}
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void JKQTPEvaluatedFunctionGraphBase::setParameterColumn(size_t __value) {
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this->parameterColumn = static_cast<int>(__value);
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}
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const QVector<double>& JKQTPEvaluatedFunctionGraphBase::getInternalParams() const {
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return iparams;
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}
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QVector<double> &JKQTPEvaluatedFunctionGraphBase::getInternalParams()
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{
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return iparams;
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}
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bool JKQTPEvaluatedFunctionGraphBase::usesColumn(int c) const
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{
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return (c==parameterColumn);
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}
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JKQTPEvaluatedFunctionGraphBase::PlotFunctorSpec::PlotFunctorSpec():
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func(),
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range_start(0),
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range_end(0)
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{
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}
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bool JKQTPEvaluatedFunctionGraphBase::PlotFunctorSpec::isValid() const
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{
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return static_cast<bool>(func) && (fabs(range_end-range_start)>0);
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}
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JKQTPEvaluatedFunctionWithErrorsGraphBase::JKQTPEvaluatedFunctionWithErrorsGraphBase(JKQTBasePlotter *parent):
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JKQTPEvaluatedFunctionGraphBase(parent),
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errorParameterColumn(-1)
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{
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}
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JKQTPEvaluatedFunctionWithErrorsGraphBase::JKQTPEvaluatedFunctionWithErrorsGraphBase(JKQTPlotter *parent):
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JKQTPEvaluatedFunctionWithErrorsGraphBase(parent->getPlotter())
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{
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}
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JKQTPEvaluatedFunctionWithErrorsGraphBase::~JKQTPEvaluatedFunctionWithErrorsGraphBase()
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{
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}
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const QVector<double>& JKQTPEvaluatedFunctionWithErrorsGraphBase::getInternalErrorParams() const {
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return ierrorparams;
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}
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QVector<double>& JKQTPEvaluatedFunctionWithErrorsGraphBase::getInternalErrorParams() {
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return ierrorparams;
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}
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bool JKQTPEvaluatedFunctionWithErrorsGraphBase::usesColumn(int c) const
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{
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return JKQTPEvaluatedFunctionGraphBase::usesColumn(c)||(c==errorParameterColumn);
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}
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void JKQTPEvaluatedFunctionWithErrorsGraphBase::setErrorParams(const QVector<double> &errorParams)
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{
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ierrorparams=errorParams;
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}
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void JKQTPEvaluatedFunctionWithErrorsGraphBase::setErrorParameterColumn(int __value)
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{
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this->errorParameterColumn = __value;
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}
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int JKQTPEvaluatedFunctionWithErrorsGraphBase::getErrorParameterColumn() const
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{
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return this->errorParameterColumn;
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}
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void JKQTPEvaluatedFunctionWithErrorsGraphBase::setErrorParameterColumn(size_t __value) {
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this->errorParameterColumn = static_cast<int>(__value);
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}
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void JKQTPEvaluatedFunctionWithErrorsGraphBase::setErrorParamsV(double p1)
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{
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QVector<double> p;
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p<<p1;
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setErrorParams(p);
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}
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void JKQTPEvaluatedFunctionWithErrorsGraphBase::setErrorParamsV(double p1, double p2)
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{
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QVector<double> p;
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p<<p1<<p2;
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setErrorParams(p);
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}
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void JKQTPEvaluatedFunctionWithErrorsGraphBase::setErrorParamsV(double p1, double p2, double p3)
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{
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QVector<double> p;
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p<<p1<<p2<<p3;
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setErrorParams(p);
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}
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void JKQTPEvaluatedFunctionWithErrorsGraphBase::setErrorParamsV(double p1, double p2, double p3, double p4)
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{
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QVector<double> p;
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p<<p1<<p2<<p3<<p4;
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setErrorParams(p);
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}
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void JKQTPEvaluatedFunctionWithErrorsGraphBase::setErrorParamsV(double p1, double p2, double p3, double p4, double p5)
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{
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QVector<double> p;
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p<<p1<<p2<<p3<<p4<<p5;
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setErrorParams(p);
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}
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void JKQTPEvaluatedFunctionWithErrorsGraphBase::collectParameters()
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{
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JKQTPEvaluatedFunctionGraphBase::collectParameters();
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if (parent && errorParameterColumn>=0) {
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ierrorparams.clear();
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JKQTPDatastore* datastore=parent->getDatastore();
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int imin=0;
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int imax= static_cast<int>(datastore->getRows(errorParameterColumn));
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for (int i=imin; i<imax; i++) {
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double xv=datastore->get(errorParameterColumn,i);
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ierrorparams<<xv;
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}
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int i=ierrorparams.size()-1;
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while (i>=0 && !JKQTPIsOKFloat(ierrorparams[i])) {
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ierrorparams.remove(i,1);
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i--;
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}
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}
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}
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