Questions related to Qwt - Qt widgets for technical applications.
Hi All, Can anybody tell me if it is possible QwtPlotDirectPainter in zoomer and panner supported QwtPlot application. I mean could I implement...
On Windows Vista, Qt.4.50, I can compile the libraries and also the examples. But when I try to run any of the executable examples (e.g....
In the doc: ( http://qwt.sourceforge.net/class_qwt_plot_item.html#eb2f676533ccae3436bf578824e2165e ) But what if one want multiple Plot plot...
I've to print two curve one with a pen with size 1 and another with size 4. The preview it's good, but when printing the thickness of the two...
I'm using: Qt 4.5.3 Qwt 5.2.1 QwtPolar 0.1.0 All built in debug mode. Running on Windows XP. I have successfully compiled QwtPolar and the...
Hi all, I am using Qt-4.5.3 on Ubuntu 8.0.4. I have downloaded and compiled qwt-5.2.0 successfully. The examples works fine. I managed to compile...
Hi every one, how to edit the points on the qwt plot and acquire the points into a table or array and then replot it. To show...
Hi, I have to plot system uptimes. Dates on the y axis, tod on the x axis. Each horizontal line must have the system id. I am just beginning...
Hello, I ran into a problem with the zoom function applied like in spectrogram example. As soon as I click the right mouse button to zoom back...
Hello, I wonder whether it is possible to get the actual min and max range values of spectrogram and not to set them manually, like I do it now...
Can someone explain to me why the QwtRasterData::value method (which returns the value at the specified raster position) has "doubles" as the x / y...
I downloaded Qwt 5.2.0 from source forge, and unzipped it to a folder. I editted the qwtconfig.pri file to point to this folder and tweaked the...
Hi guys, I have a really annoying bug in my program that is hard to track down. The situation is that when I repeatedly zoom in/out/in/out many...
Hi. I tried to put a legend in Hisotrgr. Although the legend is displayed, there are no symbols attached to the text in the legend. Why? ...
Hi, I am plotting some values with a QwtPlotSpectrogram: QPixmap plotImage = QPixmap(plotSize); plotImage.fill(QColor(Qt::white)); QPainter...
I am struggling to get Qwt 5.2.0 to build successfully for use in VS 2003 on Windows XP. I have tried following the instructions in the Install file...
Hi, I'm trying to plot a simple surface plot in 3D. I don't understand the interpolation, because: For these data, being (x, y, z) the colums...
hi, i am very new to this qwt and qt. i have qt project in which few graphs are to be drawn. my issues are: 1)i am using RHEL 5 server where...
Hi all, I have downloaded Qwt 5.2.0 and want to build it using Visual Studio 2008 on Windows Vista x64 running the Intel Compiler. However when...
Hello! I have a QwtPlotSpectrogramm item on my QwtPlot widget. I found out that it caches when I do it visible or invisible. Then some parameters...
Hi friends, I have multiple QwtPlots'(QwtSpectrograms) in a QTabWidget, each plot is displayed in a tab separately. I am observing one weird...
Hi, I am trying to build QWT 5.2 against Qt 4.6 (tp1) with mingw. The compiler complains about ambiguous overloaded qHash, first instatiated in...
Hello, I try to display markers above a spectrogram. The spectrogram data is visualized correctly, but I cannot see any markers on it. The code I...
Hi I am writing a GUI application that will talk to either an A to D or D to A hardware card (Analogue to Digital, ...). I chose Qt and Qwt as they...
Hi I want to plot a graph (2D) without using Qwt, i.e. simply using Qt with Qt Creator. How to do that? Any idea? thanks in advance...
hi , I must use qwt to draw graphic , but haven't run yet. I have an error like this-->error while loading shared libraries: libqwt.so.5:...
Dear mates, I'm pretty newbie, so be patient ... please :-) There's a way to print a custom report with text and images and with a plot created...
We have a server with no user interface and minimal graphics support that we would like to use qwtPlot to general plots from streams of data without...
Hi Ive compiled and installed qwt...I have compiled all examples... But when I want to run any of the examples I got this error statement: error...
Hello, I would like to plot some kind of scatter graph on my QwtPlot to indicate feasible and infeasible regions on a spectrogramm, which is...
Use this control to limit the display of threads to those newer than the specified time frame.
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