mirror of
https://github.com/jkriege2/JKQtPlotter.git
synced 2024-11-16 02:25:50 +08:00
356cc34349
new: iterator interface and improved documentation for JKQTPDatastore reorganization of library (better separation of common code in jkqtpcommon and other code e.g. in jkqtplotter or jkqtmathtext)
686 lines
18 KiB
C++
686 lines
18 KiB
C++
/*
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Copyright (c) 2008-2019 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/jkqtpgraphsbase.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/jkqtpgraphsimage.h"
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#include "jkqtplotter/jkqtpbaseelements.h"
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#include "jkqtplotter/jkqtplotter.h"
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#include "jkqtpgraphsbase.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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JKQTPPlotElement::JKQTPPlotElement(JKQTBasePlotter* parent):
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QObject(parent)
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{
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title="";
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visible=true;
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highlighted=false;
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parentPlotStyle=-1;
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setParent(parent);
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}
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JKQTPPlotElement::JKQTPPlotElement(JKQTPlotter *parent):
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JKQTPPlotElement(parent->getPlotter())
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{
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}
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JKQTPGraph::JKQTPGraph(JKQTBasePlotter* parent):
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JKQTPPlotElement(parent)
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{
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}
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JKQTPGraph::JKQTPGraph(JKQTPlotter *parent):
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JKQTPPlotElement(parent)
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{
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}
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QImage JKQTPPlotElement::generateKeyMarker(QSize size)
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{
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QImage img(size.width(),size.height(),QImage::Format_ARGB32);
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if (parent) img.fill(Qt::transparent);//->getKeyBackgroundColor());
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{
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JKQTPEnhancedPainter painter(&img);
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painter.setRenderHint(QPainter::Antialiasing, true);
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painter.setRenderHint(QPainter::TextAntialiasing, true);
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painter.setRenderHint(QPainter::SmoothPixmapTransform, true);
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painter.setRenderHint(QPainter::HighQualityAntialiasing, true);
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QRectF rect(0,0,size.width(),size.height());
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drawKeyMarker(painter, rect);
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}
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return img;
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}
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void JKQTPPlotElement::setTitle(const QString &__value)
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{
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this->title = __value;
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}
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QString JKQTPPlotElement::getTitle() const
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{
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return this->title;
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}
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void JKQTPPlotElement::setVisible(bool __value)
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{
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this->visible = __value;
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}
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bool JKQTPPlotElement::isVisible() const
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{
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return this->visible;
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}
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void JKQTPPlotElement::setHighlighted(bool __value)
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{
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highlighted=__value;
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}
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bool JKQTPPlotElement::isHighlighted() const
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{
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return highlighted;
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}
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void JKQTPPlotElement::setParent(JKQTBasePlotter* parent) {
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this->parent=parent;
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QObject::setParent(parent);
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}
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void JKQTPPlotElement::setParent(JKQTPlotter *parent)
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{
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setParent(parent->getPlotter());
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}
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bool JKQTPGraph::getDataMinMax(int column, double &minx, double &maxx, double &smallestGreaterZero)
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{
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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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if (parent==nullptr) return false;
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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(column));
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if (imin<0) imin=0;
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if (imax<0) imax=0;
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for (int i=imin; i<imax; i++) {
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double xv=datastore->get(column,static_cast<size_t>(i));
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if (start || xv>maxx) maxx=xv;
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if (start || xv<minx) minx=xv;
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double xvsgz;
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xvsgz=xv; SmallestGreaterZeroCompare_xvsgz();
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start=false;
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}
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return !start;
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}
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void JKQTPPlotElement::getOutsideSize(JKQTPEnhancedPainter& /*painter*/, int& leftSpace, int& rightSpace, int& topSpace, int& bottomspace) {
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leftSpace=0;
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rightSpace=0;
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topSpace=0;
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bottomspace=0;
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}
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void JKQTPPlotElement::drawOutside(JKQTPEnhancedPainter& /*painter*/, QRect /*leftSpace*/, QRect /*rightSpace*/, QRect /*topSpace*/, QRect /*bottomSpace*/) {
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}
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QString JKQTPPlotElement::formatHitTestDefaultLabel(double x, double y, int index, JKQTPDatastore* datastore) const {
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const JKQTPXGraphErrorData* errgx=dynamic_cast<const JKQTPXGraphErrorData*>(this);
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QString xerrstr;
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// retrieve x-error data
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if (errgx && datastore) {
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if (errgx->getXErrorColumn()>=0) {
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if (errgx->getXErrorColumnLower()>=0) {
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xerrstr=QString("\\:+%1\\:-%2")
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.arg(jkqtp_floattolatexqstr(datastore->get(errgx->getXErrorColumn(),static_cast<size_t>(index)), 3))
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.arg(jkqtp_floattolatexqstr(datastore->get(errgx->getXErrorColumnLower(),static_cast<size_t>(index)), 3));
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} else {
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xerrstr=QString("{\\:}{\\pm}%1")
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.arg(jkqtp_floattolatexqstr(datastore->get(errgx->getXErrorColumn(),static_cast<size_t>(index)), 3));
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}
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}
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}
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// retrieve y-error data
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const JKQTPYGraphErrorData* errgy=dynamic_cast<const JKQTPYGraphErrorData*>(this);
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QString yerrstr;
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if (errgy && datastore) {
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if (errgy->getYErrorColumn()>=0) {
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if (errgy->getYErrorColumnLower()>=0) {
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yerrstr=QString("\\:+%1\\:-%2")
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.arg(jkqtp_floattolatexqstr(datastore->get(errgy->getYErrorColumn(),static_cast<size_t>(index)), 3))
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.arg(jkqtp_floattolatexqstr(datastore->get(errgy->getYErrorColumnLower(),static_cast<size_t>(index)), 3));
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} else {
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yerrstr=QString("{\\:}{\\pm}%1")
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.arg(jkqtp_floattolatexqstr(datastore->get(errgy->getYErrorColumn(),static_cast<size_t>(index)), 3));
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}
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}
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}
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return QString("\\ensuremath{\\left[{\\:}%1%3{\\;},{\\;}%2%4{\\:}\\right]}").arg(jkqtp_floattolatexqstr(x, 3)).arg(jkqtp_floattolatexqstr(y, 3)).arg(xerrstr).arg(yerrstr);
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}
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double JKQTPPlotElement::hitTest(const QPointF & posSystem, QPointF* closestSpotSystem, QString* label, HitTestMode mode) const
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{
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if (parent==nullptr) return JKQTP_NAN;
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int closest=-1;
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double closedist=JKQTP_NAN;
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double closedistsec=JKQTP_NAN;
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QPointF closestPos;
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QPointF posF=transform(posSystem);
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for (int i=0; i<m_hitTestData.count(); i++) {
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const QPointF x=m_hitTestData[i].pos;
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const QPointF xpix = transform(x);
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if (JKQTPIsOKFloat(xpix.x())&&JKQTPIsOKFloat(xpix.y())) {
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double d=0, dsecondary=0;
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switch (mode) {
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case HitTestXY: d=sqrt(jkqtp_sqr(xpix.x()-posF.x())+jkqtp_sqr(xpix.y()-posF.y())); dsecondary=0; break;
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case HitTestXOnly: d=fabs(xpix.x()-posF.x()); dsecondary=fabs(xpix.y()-posF.y()); break;
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case HitTestYOnly: d=fabs(xpix.y()-posF.y()); dsecondary=fabs(xpix.x()-posF.x()); break;
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}
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if (closest<0 || d<closedist || (jkqtp_approximatelyEqual(d,closedist) && dsecondary<closedistsec)) {
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closest=i;
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closedist=d;
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closedistsec=dsecondary;
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closestPos=x;
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}
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}
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}
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if (closest>=0) {
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if (closestSpotSystem) *closestSpotSystem=closestPos;
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if (label) *label=m_hitTestData[closest].label;
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return closedist;
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} else {
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return JKQTP_NAN;
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}
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}
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double JKQTPPlotElement::transformX(double x) const {
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return parent->getXAxis()->x2p(x);
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}
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double JKQTPPlotElement::transformY(double y) const {
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return parent->getYAxis()->x2p(y);
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}
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double JKQTPPlotElement::backtransformX(double x) const {
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return parent->getXAxis()->p2x(x);
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}
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double JKQTPPlotElement::backtransformY(double y) const {
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return parent->getYAxis()->p2x(y);
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}
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bool JKQTPGraph::usesColumn(int /*column*/) const
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{
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return false;
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}
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void JKQTPGraph::drawErrorsBefore(JKQTPEnhancedPainter &)
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{
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}
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void JKQTPGraph::drawErrorsAfter(JKQTPEnhancedPainter &)
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{
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}
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QVector<QPointF> JKQTPPlotElement::transform(const QVector<QPointF> &x) const {
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QVector<QPointF> res;
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for (int i=0; i<x.size(); i++) {
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res.append(transform(x[i]));
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}
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return res;
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}
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QPainterPath JKQTPPlotElement::transformToLinePath(const QVector<QPointF> &x) const {
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QPainterPath res;
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if (x.size()>0) {
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res.moveTo(transform(x[0]));
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for (int i=1; i<x.size(); i++) {
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res.lineTo(transform(x[i]));
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}
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}
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return res;
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}
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JKQTPXYGraph::JKQTPXYGraph(JKQTBasePlotter* parent):
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JKQTPGraph(parent)
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{
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sortData=Unsorted;
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xColumn=-1;
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yColumn=-1;
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}
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JKQTPXYGraph::JKQTPXYGraph(JKQTPlotter *parent):
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JKQTPGraph(parent)
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{
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sortData=Unsorted;
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xColumn=-1;
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yColumn=-1;
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}
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bool JKQTPXYGraph::getXMinMax(double& minx, double& maxx, double& smallestGreaterZero) {
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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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if (parent==nullptr) return false;
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JKQTPDatastore* datastore=parent->getDatastore();
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int imin=0;
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int imax=0;
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getIndexRange(imin, imax);
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for (int i=imin; i<imax; i++) {
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double xv=datastore->get(static_cast<size_t>(xColumn),static_cast<size_t>(i));
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if (JKQTPIsOKFloat(xv)) {
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if (start || xv>maxx) maxx=xv;
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if (start || xv<minx) minx=xv;
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double xvsgz;
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xvsgz=xv; 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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}
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bool JKQTPXYGraph::getYMinMax(double& miny, double& maxy, double& smallestGreaterZero) {
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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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if (parent==nullptr) return false;
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JKQTPDatastore* datastore=parent->getDatastore();
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int imin=0;
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int imax=0;
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getIndexRange(imin, imax);
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for (int i=imin; i<imax; i++) {
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double yv=datastore->get(static_cast<size_t>(yColumn),static_cast<size_t>(i));
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if (JKQTPIsOKFloat(yv)) {
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if (start || yv>maxy) maxy=yv;
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if (start || yv<miny) miny=yv;
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double xvsgz;
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xvsgz=yv; 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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}
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bool JKQTPXYGraph::usesColumn(int column) const
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{
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return (column==xColumn)||(column==yColumn);
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}
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void JKQTPXYGraph::setXColumn(int __value)
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{
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this->xColumn = __value;
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}
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int JKQTPXYGraph::getXColumn() const
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{
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return this->xColumn;
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}
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void JKQTPXYGraph::setXColumn(size_t __value) {
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this->xColumn = static_cast<int>(__value);
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}
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void JKQTPXYGraph::setYColumn(int __value)
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{
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this->yColumn = __value;
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}
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int JKQTPXYGraph::getYColumn() const
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{
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return this->yColumn;
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}
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void JKQTPXYGraph::setYColumn(size_t __value) { this->yColumn = static_cast<int>(__value); }
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void JKQTPXYGraph::setDataSortOrder(JKQTPXYGraph::DataSortOrder __value)
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{
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this->sortData = __value;
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}
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JKQTPXYGraph::DataSortOrder JKQTPXYGraph::getDataSortOrder() const
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{
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return this->sortData;
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}
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void JKQTPXYGraph::setDataSortOrder(int __value) {
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sortData=static_cast<DataSortOrder>(__value);
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}
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void JKQTPXYGraph::setXYColumns(size_t xCol, size_t yCol)
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{
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setXColumn(xCol);
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setYColumn(yCol);
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}
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void JKQTPXYGraph::setXYColumns(int xCol, int yCol)
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{
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setXColumn(xCol);
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setYColumn(yCol);
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}
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void JKQTPXYGraph::setXYColumns(std::pair<int, int> xyColPair)
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{
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setXColumn(xyColPair.first);
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setYColumn(xyColPair.second);
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}
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void JKQTPXYGraph::setXYColumns(std::pair<size_t, size_t> xyColPair)
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{
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setXColumn(xyColPair.first);
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setYColumn(xyColPair.second);
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}
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void JKQTPXYGraph::setXYColumns(QPair<int, int> xyColPair)
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{
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setXColumn(xyColPair.first);
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setYColumn(xyColPair.second);
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}
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void JKQTPXYGraph::setXYColumns(QPair<size_t, size_t> xyColPair)
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{
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setXColumn(xyColPair.first);
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setYColumn(xyColPair.second);
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}
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double JKQTPXYGraph::hitTest(const QPointF &posSystem, QPointF *closestSpotSystem, QString *label, HitTestMode mode) const
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{
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if (parent==nullptr) return JKQTP_NAN;
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// check base-class implementation and use it, if it returns a vaid value
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const double baseclassResult=JKQTPPlotElement::hitTest(posSystem, closestSpotSystem, label, mode);
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if (JKQTPIsOKFloat(baseclassResult)) return baseclassResult;
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JKQTPDatastore* datastore=parent->getDatastore();
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int imin=0;
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int imax=0;
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if (!getIndexRange(imin, imax)) return JKQTP_NAN;
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int closest=-1;
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double closedist=JKQTP_NAN;
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double closedistsec=JKQTP_NAN;
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QPointF closestPos;
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QPointF posF=transform(posSystem);
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for (int i=imin; i<imax; i++) {
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const QPointF x(datastore->get(static_cast<size_t>(xColumn),static_cast<size_t>(i)), datastore->get(static_cast<size_t>(yColumn),static_cast<size_t>(i)));
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const QPointF xpix = transform(x);
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if (JKQTPIsOKFloat(xpix.x())&&JKQTPIsOKFloat(xpix.y())) {
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double d=0, dsecondary=0;
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switch (mode) {
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case HitTestXY: d=sqrt(jkqtp_sqr(xpix.x()-posF.x())+jkqtp_sqr(xpix.y()-posF.y())); dsecondary=0; break;
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case HitTestXOnly: d=fabs(xpix.x()-posF.x()); dsecondary=fabs(xpix.y()-posF.y()); break;
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case HitTestYOnly: d=fabs(xpix.y()-posF.y()); dsecondary=fabs(xpix.x()-posF.x()); break;
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}
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if (closest<0 || d<closedist || (jkqtp_approximatelyEqual(d,closedist) && dsecondary<closedistsec)) {
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closest=i;
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closedist=d;
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closedistsec=dsecondary;
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closestPos=x;
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//qDebug()<<"hitTest("<<posSystem<<"[="<<posF<<"pix]...): found closest="<<closest<<", closedist="<<closedist<<", closedistsec="<<closedistsec<<", closestPos="<<closestPos;
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}
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}
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}
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if (closest>=0) {
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if (label) *label=formatHitTestDefaultLabel(closestPos.x(), closestPos.y(), closest);
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if (closestSpotSystem) *closestSpotSystem=closestPos;
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return closedist;
|
|
} else {
|
|
return JKQTP_NAN;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
JKQTPSingleColumnGraph::JKQTPSingleColumnGraph(JKQTBasePlotter *parent):
|
|
JKQTPGraph(parent)
|
|
{
|
|
sortData=Unsorted;
|
|
dataColumn=-1;
|
|
}
|
|
|
|
|
|
JKQTPSingleColumnGraph::JKQTPSingleColumnGraph(JKQTPlotter *parent):
|
|
JKQTPSingleColumnGraph(parent->getPlotter())
|
|
{
|
|
}
|
|
|
|
|
|
void JKQTPSingleColumnGraph::setDataColumn(int __value)
|
|
{
|
|
this->dataColumn = __value;
|
|
if (this->title.size()==0 && parent && __value>=0) this->title=parent->getDatastore()->getColumnName(static_cast<size_t>(__value));
|
|
}
|
|
|
|
int JKQTPSingleColumnGraph::getDataColumn() const
|
|
{
|
|
return this->dataColumn;
|
|
}
|
|
|
|
void JKQTPSingleColumnGraph::setDataColumn(size_t __value) {
|
|
this->dataColumn = static_cast<int>(__value);
|
|
if (this->title.size()==0 && parent) this->title=parent->getDatastore()->getColumnName(__value);
|
|
}
|
|
|
|
void JKQTPSingleColumnGraph::setDataSortOrder(JKQTPSingleColumnGraph::DataSortOrder __value)
|
|
{
|
|
this->sortData = __value;
|
|
}
|
|
|
|
JKQTPSingleColumnGraph::DataSortOrder JKQTPSingleColumnGraph::getDataSortOrder() const
|
|
{
|
|
return this->sortData;
|
|
}
|
|
|
|
void JKQTPSingleColumnGraph::setDataSortOrder(int __value) {
|
|
sortData=static_cast<DataSortOrder>(__value);
|
|
if (__value>0) sortData=Sorted;
|
|
}
|
|
|
|
void JKQTPSingleColumnGraph::setDataDirection(JKQTPSingleColumnGraph::DataDirection __value)
|
|
{
|
|
this->dataDirection = __value;
|
|
}
|
|
|
|
JKQTPSingleColumnGraph::DataDirection JKQTPSingleColumnGraph::getDataDirection() const
|
|
{
|
|
return this->dataDirection;
|
|
}
|
|
|
|
bool JKQTPSingleColumnGraph::usesColumn(int c) const
|
|
{
|
|
return c==dataColumn;
|
|
}
|
|
|
|
|
|
void JKQTPSingleColumnGraph::intSortData()
|
|
{
|
|
sortedIndices.clear();
|
|
|
|
|
|
|
|
if (parent==nullptr) return ;
|
|
|
|
JKQTPDatastore* datastore=parent->getDatastore();
|
|
int imin=0;
|
|
int imax=0;
|
|
getIndexRange(imin, imax);
|
|
|
|
QVector<double> datas;
|
|
|
|
if (sortData==JKQTPSingleColumnGraph::Sorted) {
|
|
|
|
for (int i=0; i<imax; i++) {
|
|
double xv=datastore->get(dataColumn,static_cast<size_t>(i));
|
|
sortedIndices<<i;
|
|
datas<<xv;
|
|
}
|
|
|
|
jkqtpQuicksortDual(datas.data(), sortedIndices.data(), datas.size());
|
|
|
|
|
|
}
|
|
}
|
|
|
|
bool JKQTPSingleColumnGraph::getIndexRange(int &imin, int &imax) const
|
|
{
|
|
if (parent==nullptr) return false;
|
|
|
|
JKQTPDatastore* datastore=parent->getDatastore();
|
|
imin=0;
|
|
imax=static_cast<int>(datastore->getRows(static_cast<size_t>(dataColumn)));
|
|
if (imax<imin) {
|
|
int h=imin;
|
|
imin=imax;
|
|
imax=h;
|
|
}
|
|
if (imin<0) imin=0;
|
|
if (imax<0) imax=0;
|
|
|
|
return imin>=0 && imax>=0;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void JKQTPXYGraph::intSortData()
|
|
{
|
|
sortedIndices.clear();
|
|
|
|
|
|
|
|
if (parent==nullptr) return ;
|
|
|
|
JKQTPDatastore* datastore=parent->getDatastore();
|
|
int imin=0;
|
|
int imax=0;
|
|
getIndexRange(imin, imax);
|
|
|
|
QVector<double> datas;
|
|
|
|
if (sortData==JKQTPXYLineGraph::SortedX) {
|
|
|
|
for (int i=0; i<imax; i++) {
|
|
double xv=datastore->get(static_cast<size_t>(xColumn),static_cast<size_t>(i));
|
|
sortedIndices<<i;
|
|
datas<<xv;
|
|
}
|
|
|
|
jkqtpQuicksortDual(datas.data(), sortedIndices.data(), datas.size());
|
|
|
|
|
|
} else if (sortData==JKQTPXYLineGraph::SortedY) {
|
|
|
|
for (int i=0; i<imax; i++) {
|
|
double xv=datastore->get(static_cast<size_t>(yColumn),static_cast<size_t>(i));
|
|
sortedIndices<<i;
|
|
datas<<xv;
|
|
}
|
|
|
|
jkqtpQuicksortDual(datas.data(), sortedIndices.data(), datas.size());
|
|
}
|
|
}
|
|
|
|
bool JKQTPXYGraph::getIndexRange(int& imin, int& imax) const
|
|
{
|
|
if (parent==nullptr) return false;
|
|
|
|
JKQTPDatastore* datastore=parent->getDatastore();
|
|
imin=0;
|
|
imax=static_cast<int>(qMin(datastore->getRows(static_cast<size_t>(xColumn)), datastore->getRows(static_cast<size_t>(yColumn))));
|
|
if (imax<imin) {
|
|
int h=imin;
|
|
imin=imax;
|
|
imax=h;
|
|
}
|
|
if (imin<0) imin=0;
|
|
if (imax<0) imax=0;
|
|
|
|
return imin>=0 && imax>=0;
|
|
}
|
|
|
|
|
|
|
|
JKQTPPlotObject::JKQTPPlotObject(JKQTBasePlotter *parent):
|
|
JKQTPPlotElement(parent)
|
|
{
|
|
|
|
}
|
|
|
|
JKQTPPlotObject::JKQTPPlotObject(JKQTPlotter *parent):
|
|
JKQTPPlotElement(parent)
|
|
{
|
|
|
|
}
|
|
|
|
JKQTPPlotObject::~JKQTPPlotObject()
|
|
= default;
|