The Chart Zoom. In both programs, my ZOOMWHEEL = 0 and my ZOOMFACTOR = 60. Otherwise use the zooming functions in QChart. QScrollArea{. Mar 4, 2014 · In the code below I am trying to zoom the image via a mouse wheel. 4 Replies. code: public partial class Form1 : Form. I've swapped to another mouse. chart->mapFromScene: scene coordinates → chart item coordinates. I used to use CTRL + Wheel to zoom in or out in previous version of Visual Studio. Detailed Description #. I added the code so that I can add and remove a point on the graph by double clicking, and it worked fine. 2 Likes. Zoomable = true; chart1. It doesn't loop through the screen but it does pan left and Aug 31, 2015 · The problem for that might be due to the place where you place the pointer. Scale x-axis of QChartView using mouse wheel. Apr 15, 2014 · 0. So it might not be just the graphics area of Creo Parametric timeout. You can change the mode from Zoom to Pan with the MouseWheelZoomModifier. I am searching long time about QtPyChart but I found not to so much tutorials/examples. import QtQuick. The event handler wheelEvent() receives wheel events. I tried to use chrt = new QChart; chrt->legend ()->hide (); ui->vchrt->setChart (chrt); ui->vchrt->setRubberBand (QChartView::VerticalRubberBand); Zoom works, but its need to do zoom-in and zoom-out by mousewheel scroll events. Mouse wheel to zoom in really close. Instead of orbiting, it’s orbiting AND zooming out simultaneously. Values range from 3 to 100. Joined: Feb 16, 2011 Posts: 167. Go to options > general options > camera > cockpit camera > zoom speed. If left mouse button is released and the rubber band is enabled then event is accepted and the view is zoomed into the rect specified by the rubber band. The solution is to use the zoomIn(rect rectangle) method that can receive as a parameter the rectangle that will be visible, in your case the rectangle must have as center the point where you click. {. Run the code and then hold the mouse over the section of graph you would like to zoom into and then rotate your mouse wheel to zoom in or out into that section. With the code you will listen to the events of the mouse wheel that receives "Klassenname" but if you only want to listen to the mouse events of QGraphicsView then you must use an eventFilter: import sys. ChartAreas[0]. Note that I modify the codes from this anwser in x. Well, maybe some other UNIX based apps use the word Dialog in their window classes as well, not sure. be keen on placing the pointer on the place wrher you want to zoom in and also make sure that the sketchup window is active also make sure whether you mouse wheel is keen and in good condition. Nov 24, 2016 · MyChartView::MyChartView(QChart* chart) :QChartView(chart) {. Check the Change font size (Zoom) with Ctrl Mouse Wheel Zooming. QChart is a QGraphicsWidget that you can show in a QGraphicsScene . Notes: If your mouse does not have a wheel, hold the Windows key and + (plus) or - (minus) to increase or decrease magnification. In order to make it work you need to have chart control with chart area and axes defined. Here are some key points on using the mouse wheel to zoom: Method 1: Zooming In. Zoom Back out you can see the empty space on the right size became larger. 3. You can attach a listener to Axis. Dim posYStart As Double. If (xValue - (xValue - xMin) / scale) >= xValue Then. If Left mouse button is pressed and the rubber band is enabled the event is accepted and the rubber band is displayed on the screen allowing the user to select the zoom area. in QT c++ and have the following question: Is it possible to catch a mouse event when clicked on the axes(not in the diagram itself) of the qchart diagram? I have tried to overwrite the event method of the axes instance, but the event method is not called. This feature is embedded in the Highcharts Stock bundle, but requires an additional module file for the Highcharts bundle. Mine is way to slow as it takes 5 scrolls to get to where I need. push in the context of react. Move the slider to your preferred zooming speed. useAnchor. Mouse wheel events occur when the mouse is rotated. Constructor code of my dialog looks like this: m_series = new QLineSeries; m_series->setName(name); auto chart = new QChart; chart->legend()->setVisible(false); chart->addSeries(m_series); Jan 31, 2020 · Setting the ZOOMFACTOR will give you the result you want. Constructs a new QWheelEvent instance from the QWheelEvent e. Hot Network Questions Is “stuff” used correctly in “ There are all kinds of animals: lions, elephants and With the Magnifier window open, click and hold the Magnify button and then rotate the mouse wheel away from you (forward) to increase magnification, toward you (backward) to decrease magnification. Hold down the “Ctrl” key on your keyboard and scroll upwards with the Qt Charts uses the Graphics View Framework for ease of integration. Zoomable = true; And assign the event: chart1. QChart is a QGraphicsWidget that can be shown in a Jul 6, 2019 · Scale x-axis of QChartView using mouse wheel In my application I use QChart to show line graph. It can be disabled by setting this option to false. ActionType property. QPointF scene_point = mapToScene(pnt); Oct 20, 2016 · Now I need to limit the zoom. A wheel event contains a special accept flag that indicates whether the receiver wants the event. fivebythree February 27, 2023, 3:45pm 1. mouseWheel. In C3D the mouse wheel operates precisely as expected (zooms the image in or out) when rotated. Wheel spin: zoom in/out. Wheel events are generated for both mouse wheels and trackpad scroll gestures. posXStart = xValue - (xValue - xMin) Else. Nov 19, 2020 · 1. With this option active you hold the ALT key to scroll. It doesn't scroll for anything not just first person zooming (I. Yes. You can put that in and overwrite the inherited function. Feb 7, 2020 · A zoom factor setting. For me is the best solution to have two buttons for zoom in/out and two buttons for X axis moving. The example shows how to create your own custom zooming effect with QRubberBand by using a mouse and how to use touch gestures for paning and zooming. void QChart:: zoomIn Zooms into the view by a factor of two. 4. Move the mouse cursor in the middle of the chart. number (defaults to 80) Mouse wheel timeout duration in milliseconds. I have made a custom scroll widget and have implemented zoom and pan. 9 default. The chart components can be used as QWidget or QGraphicsWidget objects or QML types. 0 zooms out of it. First make both axes of your chart zoomable: chart1. 2 Kudos. 1 reply. QFont QChart:: titleFont const. prototype. boolean (defaults to true) Enable zooming using the mouse's location as the anchor. I have a chart on my c# windows application. resize(width, newHeight) app = QApplication(sys. Discussion in 'Scripting' started by Darloc, Mar 15, 2011. I'm having hard time figuring out how to use Highcharts. Mousewheel Zooming or Panning in only one direction. Jul 4, 2019 · Scale x-axis of QChartView using mouse wheel In my application I use QChart to show line graph. QChart is a QGraphicsWidget that can be shown in a Jan 15, 2021 · Use a Bluetooth mouse or trackpad with your iPad. If your mouse has it, you can click down on the scroll wheel and a menu will show up on the chart. My Logitech mouse has a tilt wheel on it and this works fine in Photoshop. This is required for the subsequent increase in the thickness of the curve on the graph. interactive()? I found the documentation and understand that I can use bind_x=False or bind_y=False in order to stop zooming in x or y, respectively. Properties can be used directly when from __feature__ import true_property is used or via accessor functions otherwise. Note: Jan 17, 2020 · I need to zoom a chart, and adjust the range of the axis-Y accordingly, in order to make the logical visible part of the line can be completely plotted in the real visible area of the ChartView. A value of 100 will increase the zoom by 100% (i. Press right button to select a series, then move it to target location, after release right button put the series to target location. scene (). You can make it a positive number to invert the mouse wheel zooming direction. The MouseWheelZoomModifier provides Mouse wheel zooming behavior on a 2D SciChartSurface within SciChart - High Performance JavaScript Charts remarks To apply the MouseWheelZoomModifier to a SciChartSurface and add Mouse-wheel zoom behavior, use the following code: Aug 8, 2018 · Unfortunately, I can't find any way to catch a signal of mouse click on any QLineSeries at QChartView. From the method signature, I assume that your chart control is named chData, so you could use the following code in your form's constructor: chData. But the code is not working properly, it is just refreshing the panel but it does not resize it. To be honest, I don't know why. Thread Status: Not open for further replies. I want to zoom every point of chart when mouse on them. Half the time, I go to roll the mouse wheel and it won’t zoom or does so Mar 1, 2022 · 1. constrainResolution. How to restore/enable this behavior? Works fine out of box for me. QChart's mouse events vs QChartView's mouse events. Jan 29, 2020 · How to remove margin from QChartView or QChart. mouseMoveEvent(self, event) This signal I connect to a slot of Chart: Feb 28, 2012 · self. argv) main = Main() main. view->mapToScene: widget (view) coordinates → scene coordinates. May 17, 2019 · ofirbit changed the title Support mouse wheel in slider dataZoom Support mouse wheel in slider dataZoom and axes May 19, 2019 Ovilia removed pending We are not sure about whether this is a bug/new feature. exit(app. Sep 16, 2020 · void QChartView::mouseReleaseEvent (QMouseEvent *event) If the left mouse button is released and the rubber band is enabled, the event event is accepted and the view is zoomed into the rectangle specified by the rubber band. MouseWheel += new EventHandler(chData_MouseWheel); The mouse wheel zoom is a feature included in Highcharts Stock, but is also available for Highcharts Core as a module. change scales) only on this axis with Chart. Oct 13, 2019 · Unlike many popular text/programming editors and IDE’s, PyCharm doesn’t by default let you change the font size by pressing Ctrl + Scrolling the mouse wheel. Wheel events are sent to the widget under the mouse cursor, but if that widget does not handle the event they are sent to the focus widget. If I try PyQtGraph, there is zooming by mouse wheel. Oct 12, 2018 · The QChart contains some series. Aesthetic aspect: Qcustomplot≈Qchart > Qwt; The interface of Qcustomplot is simple and generous; The Qchart interface is gorgeous and beautiful, and the mouse cannot be used at the lines drawn in QChart, so when the amount of data is large, it will cause the mouse to zoom and move the chart operation; Dec 4, 2023 · This will help us take a closer look and share recommendations to help with your use-case! M. Jul 31, 2021 · TenPatrol July 31, 2021, 10:33am 2. ScaleView. Currently I have re-implemented QGraphicsView and overriden the mouse scroll function so that it doesn't scroll the image (like it does by default). Feb 8, 2018 · 2. I mean I don't want zoom all part of chart I want zoom just specefic point like google map. Since you stress out the fact that the point where you want to zoom in not in the center of the map container, you may already be aware of the map scrollWheelZoom option: Whether the map can be zoomed by using the mouse wheel. Qwt; Qcustomplot; QChart; Compare. from PyQt5 import QtCore, QtWidgets, uic. Zoom. AxisX. Be aware of support policy: Jun 9, 2020 · 1. I am trying to make zooming with a QChart a little bit more convenient for the user. If e. type is set. setRubberBand(QChartView::HorizontalRubberBand); There is also zooming out functionality bound to your mouse: If the left mouse button is pressed and the rubber band is enabled, the rubber band is displayed on the screen. In Highcharts Core it is enabled if chart. The QChart class manages the graphical representation of different types of series and other chart related objects, such as legend and axes. Zelich2262: Can we ajust the speed for Mouse wheel Zoom in/out in cockpit. Nov 6, 2010 · Zoom with mouse wheel. onScaleChange event. Other responses are from users. like google map. setMouseTracking(true); setInteractive(true); setRubberBand(RectangleRubberBand); } Qt documentation says that. I tried to implement it myself, but i haven't found a way to solve this. At least as far as I know. Does this help? Finally, notice the entire user control is only about 100 lines. Hold the Control ⌃ key while scrolling to adjust the zoom. setter from self. Zoom Line Example. The functions position () and globalPosition () return the mouse cursor's location at the time of the event. 'check zoom for x Start. Reply. 0 and 1. How would I go on about something like that? Jan 9, 2018 · 5. The QCustomPlot library offers users the ability to zoom in and out of the graph drawn on the custom chart when they enable the Zoom interaction. Windows mouse setting wouldn't solve the issue. Thanks that works. 2. Orbit Tool and Mouse Wheel. show() sys. In the Settings dialog, navigate to Editor > General. I want to add this functionality to it but not exactly sure how. Since events only propagate upwards the QLineSeries (child of QChart and QChartView) never gets the memo. Nov 23, 2019 · The main problem with your question is that zooming is not linear. shift+crl+scroll wheel will scroll up and down. mcredelle. Award. I implemented a custom chart by deriving from QChart. MouseWheelZoomModifier. What you have is an handler method for the MouseWheel event. 3D visualizations use the following mouse interaction: Left button drag: Rotates the scene around a central point. If you're using a device with touch-screen capabilities you can use your touch screen to custom zoom. Feb 4, 2020 · Drawing a cursor at the mouse position seems to be trivial by referring to this answer. The same mouse works on my main PC, it just stopped scrolling on my lap top. e. for ( int i = 0; i < 500; i ++) {. Jul 31, 2020 · Qchart实现左键缩放，左键框选放大，滚轮放大缩小，右键拖动，右键复位，右键清空数据，显示当前X,Y轴值 在之前我们实现了QCustomplot曲线的显示设置，功能基本相同，也是左键缩放，左键框选放大，滚轮放大缩小，右键复位，右键清空数据，然后由于QCustomplot虽然兼容QT4,QT5但是样式过于一般，包括 Detailed Description. 1. EDIT: corrected the low value from 10 to 3. If axis labels auto fit is enabled chart may be a little "jumpy" while Jul 28, 2018 · 2, Axis value is multiplied by -1000 to make zooming sensitive enough in the scene of my scale. com Zoom. Charts can be zoomed programmatically or by user interaction with mouse dragging. Set the Zoom Scale factor smaller than the 0. View solution in original post. So how can I implement this? I found no further examples for QtCharts so Apr 18, 2022 · 01-19-2023 10:53 AM. I have tried the datazoom configurations moveOnMouseWheel and moveOnMouseWheel but that only zooms the chart. Was wondering this too. I used LabVIEW 2014. 'this code checks to see if you are within a certain percentage of the starting point. Sep 21, 2023 · By utilizing the mouse wheel, you can quickly adjust the zoom level to suit your preferences. If your new computer is Windows 10, How to make scroll wheel zoom work in Windows 10 with Creo Parametric. pos()) return QChartView. 3, Cam Zoom Destination is a variable where I’m storing the destination length of the SpringArm I want to be smoothly Mar 14, 2022 · Keep scroll the mouse wheel and the table will automatically scroll to the right; Current Behavior. To enable the ability to zoom with your Scroll Wheel, head into Settings > Accessibility > Zoom > Keyboard Shortcuts, and then enable the option Zoom with Scroll Wheel. In this listener you can check if the new scale range would be larger than the original range. SU2023*. Oct 9, 2017 · The parameters are: container: The wrapper of the element to be zoomed. Let's first create a line series with some example data. Yes refer to: General Settings Window: Scroll Wheel Setting (Global Settings >> General Settings >> GUI >> Scroll) Sierra Chart Support - Engineering Level. If passed 'center', it will zoom to the center of the view regardless of where the mouse was. DaveR February 27, 2023, 3:55pm 2. In ACAD, however, the mouse wheel simply moves the Qt Charts uses the Graphics View Framework for ease of integration. I've been using Lucid for several years now and I swear that in that time I have always been able to Jul 18, 2022 · Press Windows + I keys to launch Settings. If it's not windows 10, you probably just need to set the mouse wheel settings WHEEL/MIDDLE MOUSE or something similar on your mouse manager. See also setTitleFont(). 0 zooms into the view and a factor between 0. edited Oct 19, 2017 at 15:28. This enables the user to select the zoom area. Delta > 0 Then. chart->mapToValue: chart item coordinates → value in a given series. 05-05-201607:01 AM. The question is resolved thanks to the reply to this answer: Get mouse coordinates in QChartView's axis system. emit(event. If the user hast zoomed multiple times into the chart, he should be able to go back each zooming step/level he made when clicking the right mousebutton. Your definitive source for support. Dec 9, 2015 · Using a simple event case I've created a way to use the mouse wheel to zoom in and out of any part of the graph. Y) are positions of mouse inside the chart control not inside The Chart :) so this positional zoom feature is kind of faulty. QPointF p(( qreal) i, qSin (M_PI / 50 * i) * 100 ); You'll want to use the MouseWheel event. QMainWindow): def __init__(self, parent=None): Jan 31, 2017 · The view is set up so that the user can zoom on the chart by drawing a rectangluar box. 0. QPoint) def mouseMoveEvent(self, event): self. void QChart:: zoom (qreal factor) Zooms into the view by the custom factor factor. Besides common features which are inherited from the ChartModifierBase class, the MouseWheelZoomModifier type allows you to specify how fast Feb 27, 2023 · sketchup, bug. import QtQuick 2. I want to be able to zoom in and out using a mouse wheel scroll. 0. I'm trying to create a zoom function that is smooth with the mouse wheel on a stock chart. MouseWheel += chart1_MouseWheel; Then in the event handler: private void chart1_MouseWheel(object sender, MouseEventArgs e) {. The key moment: it was necessary to invoke QChart::mapToValue () for a correct coordinates transform: QPointF ChartView::point_to_chart(const QPoint &pnt) {. From a normal user perspective, each step of a zoom slider should increase or decrease by a zoom factor (pyqtgraph does that, actually). If you want to significantly change the functionality of mouse and keyboard actions, it would be pretty easy to copy this control and modify it for your specific application. SciChart. A factor over 1. achieve Yes, nice, clear tutorial, unfortunately no information how to zoom, etc. Expected Behavior. update (). May 4, 2017 · It used to work. Window 2. Oct 29, 2023 · My workaround at the moment is to use the keyboard ZOOM commands and that is an absolute pest. For example: auto chart = new QtCharts::QChart; auto lines = new QtCharts::QLineSeries; QDateTime dt = QDateTime::currentDateTime(); Apr 27, 2018 · 3. I have drawn a chart by PyQtChart, and I want to move a series by mouse. Effect picture. Now What I want is for to zoom in an out of the graph in the same manner but with two Push Buttons. But what I would like to do is have a way to escape Changing from Mousewheel Zoom to Pan. See the Chart Zoom Class. ' and if you are it will not zoom in. When set to false, zooming in and out will zoom to the center of the screen instead of zooming on the mouse's location. Aug 9, 2018 · The problem is that I have not found such a signal anywhere. Is it possible to retrieve the list of points that are currently visible on the chart while the chart is zoomed in ? Means getting a list/vector of point of the actually displayed points. I have an application with a QGraphicsView window in the middle of the screen. Is there a way to detect whether the mouse is over the x axis or y axis and zoom (i. pi (no values outside of that range) The zoom shall not be greater than the boundaries of the data ranges, or at least the limits shall be setable. Jan 17, 2017 · 33. I have two Y axis with values -100 to +100 (or even bigger), the other y2 axis is fixed at -pi. There are two ways to read the wheel event delta: angleDelta () returns the deltas in wheel degrees. I've tried disabling the mouse pad as suggested. Allow:=True; Users can zoom drawing a rectangle around the Chart area they want to see in detail. You need to attach your handler method to the MouseWheel event for the chart control. exec_()) If you look at the documentation for QScrollArea you'll see the line of inherited from the QWidget class which has a function called wheelEvent. The solution is to install a QEventFilter so that you can intercept the event before QChartView accepts Apr 8, 2015 · That script example I've posted will reverse the mouse wheel directions only for applications such as Pro/E WF or Creo Parametric, in all of their windows. Dec 20, 2017 · I'm programming an app. I tried to reset the keyboard scheme, but it still only scrolls when using the wheel. In your case you would like to go back to the original axis interval. Feb 7, 2021 · Currently, the user can hold ALT while left-click-dragging to zoom into a rectangle. Oct 9, 2022 · Sierra_Chart Engineering - Posts: 14917. I did install X-Camera, in the hope that it would take command of the scroll wheel ZOOM function but, no luck there either. XyDirection property. the vertical scrollbar should move up and down with mouse and keyboard. After setting dataZoom: [{ type: 'inside', minValueSpan: 10, moveOnMouseWheel: false }], use the mouse wheel to zoom the chart to the minimum, and the chart will still scroll to the right automatically. By default, it zooms in by 100%. 2. The documentation also mentions that: name:string The setEnabled() function can be used to enable or disable mouse and keyboard events for a widget. Pinch or mousewheel to zoom. Here's my code: Jul 22, 2013 · 3. It manages the graphical representation of different types of series and other chart related objects like legend and axes. zooming. Sep 2, 2016 · v. I was looking into some options and classes that can work with images etc, and so far I have found: QGraphicsScene, QImage, QGraphicsView. 2 people like this. (laptop touch-pads won't work either) I have a zoom function, I'd like to convert this to react code. Oct 13, 2017 · 3. The example code displays 200 random points on screen. Pick the hand symbol and you will be able to grab and pull and scroll zoom just like webull. 6. This is important for updating the cursor. Specifies if the mouse wheel event has been accepted. js provides an zooming / panning behavior when scrolling the mouse-wheel, or two-finger drag on touch devices via the MouseWheelZoomModifier type, available out of the box. X and e. You should call ignore () if you do not handle the wheel event; this ensures that it will be sent to the parent widget. Chart. Oct 21, 2015 · Oct 21, 2015 02:40 PM. To zoom in using the mouse wheel, position your cursor over the content you want to enlarge. Alternatively, you can do so by pressing Windows and + keys together. 4 months ago. There might also be something in your mouse driver, depending, and that sets the number of “lines” per scroll wheel “click”. Not sure if I am misreading your post, but there is an option in the preferences that allows you to choose Zoom With Scroll Wheel. May 19, 2017 · To get coordinates within any of the charts, you have to go through several coordinate transformations: Start with the view widget coordinates. A slider is usually a linear interface, which means that each of its step should be equally proportional to its previous or next steps. Mar 10, 2017 · QChart Zoom Levels. To simply show a chart in a layout, the convenience class QChartView can be used instead of QChart . 5. (Note: to pan use the middle mouse button and to zoom in and out use ctrl+Scroll wheel) _style = '''. Feb 19, 2016 · I am using python and Qt Designer to implement loading tiff images and to enable Pan and Zoom on some mouse event (wheel - zoom, press wheel - pan). waiting-for-help labels May 20, 2019 May 21, 2018 · The problem you are having is that when rubber band mode is enabled QChartView re-implements the MousePressEvent and accepts the event. I searched documentation but didn't find that signals. QWheelEvent (pos, globalPos, pixelDelta, angleDelta, qt4Delta, qt4Orientation, buttons, modifiers) This constructor is deprecated. Apr 15, 2020 · I need to scroll an echart component vertically with mouse wheel and keyboard. The script will look for the first child of the container and apply the transforms to it. Middle button drag + CTRL: Pan the scene by moving the central “look-at” point along the z axis. I reimplement mouseMoveEvent from ChartView and have it emit a signal mouseMoved: # mouseMoved = QtCore. . The problem now is that it doesn't zoom-in the child widget and the pan doesn't pan from the current position instead it scrolls back to the initial position. int[] myArrayX = new int[5]; double[] myArrayY = new double[5]; Sep 9, 2016 · I need both axes to be rescaled after appending values. QtGui. I moved to the latest release (2022), but this feature has disappeared. Unfortunately Qt Charts doesn't support such basic functions as zooming using mouse wheel and scrolling by mouse. PySide2. double the zoom). You can do 3-4 steps again and with every iteration you get more open space. Try to keep your questions brief and to the point. pyqtSignal(QtCore. 9. I didn’t like tos’s controls at first either coming from webull, but I’m getting used to it now. mouseMoved. Jul 9, 2023 · Added support for mouse wheel zooming through chart. One for zooming in and another for zooming out. Middle button drag: Pan the scene by moving the central “look-at” point within the x-y plane. max_scale: The maximum scale (4 = 400% zoom) factor: The zoom-speed (1 = +100% zoom per mouse wheel tick) JSFiddle here. You can change limit the direction of mouse-wheel zooming or panning with the MouseWheelZoomModifier. I am currently working on the mouse events of this class. ArcGIS online would default back to 23 predefined zoom levels if you use your mouse wheel, shift + plus/minus key combo. void MyQGraphicsView::wheelEvent(QWheelEvent *event) See full list on github. What I'm trying to do. import QtCharts 2. Next, go to Accessibility and choose Magnifier. I'm using Vue 3. Chart does not scroll to May 5, 2016 · Mouse Wheel Zoom. Install command post, go to menu bar > preferences > Final Cut Pro, there is a tickbox called 'Enable Timeline Zooming with Mouse Scroll and Modifier key' just select this and your preferred modifier key and it will work. When I tried looked at the actual values in the rubberBandRect in the code snippet below, the x/y and height/width values Do you have your chart locked to a timeframe? If you have it on 5 min it will let you zoom in and out for a while but if you have it locked to 2 days/5 min your zoom will only change bar size. Then, enable the Magnifier option. apply and save. i don't want it to zoom. The problem has been there right from the moment I installed X-Plane 12, from the Steam platform. Detailed Description. callbacks. I run Civil 3D and plain ACAD for differing projects, having acquired both in a single installation. Once the Magnifier window launches, click on the + icon to zoom in. Actually I am taking the image from memory stream that is created by another class called as decrypt. Aug 19, 2010 · Mouse positions received from MouseEventArgs (e. To enable scroll-zoom in PyCharm: Go to File > Settings to open the Settings dialog. Normally when the zooming rectangle is used to zoom out, LightningChart JS will fit the view to the current data. AxisY. . It’s in Options>View…. I'm building a line chart. Gets the font that is used for drawing the chart title. I have three classes (just testing) Hold down either command or control and scroll. update () to self. The values I appended are not between 0 and 1 and also not from the year 1970. Darloc. This will depend on the scale of your scene. That's simple enough to code: QChart *myChart = new QChart; QChartView *myView = new QChartView; myView->setRubberBand(QChartView::RectangleRubberBand); myView->setChart(myChart); And everything works well. How to prevent zooming of QChartView into negative x or y Press and hold Ctrl, and scroll the mouse wheel to zoom in and out of the graph on the Y axis; Press the right mouse button to restore the initial state of the graph; The zooming process takes the current position of the mouse as the zooming center; The current coordinates will be displayed in the upper left corner during mouse movement. Nov 01, 2007. parent. I can get the selected series in update_select_series, if I can get the original coordinates when I press right button and target Feb 5, 2017 · OK, finally I found a way. Zooming with the mouse wheel is enabled by default in Highcharts Stock. E. Unsolved QChart's mouse events vs QChartView's mouse events. class Klassenname(QtWidgets. Plus it gets out of sync with the scroll pane below. shift+scroll wheel will scroll left and right. If different mouse button is pressed and/or the rubber band is disabled then the event is passed to QGraphicsView::mousePressEvent() implementation. The middle mouse button / orbit tool is acting unexpectedly. chat box scrolling or map zoom in and out) I've rebooted, updated drivers, uninstalled reinstalled mouse. Allow property controls if users can apply zoom (default is True): Chart1. A value of 10 will increase the zoom by 10% when scrolling up one step. hndevuhxegthnnxhequt