http://blog.gmane.org/gmane.comp.graphics.qwt.general hourly 1 1901-01-01T00:00+00:00 http://gmane.org/img/gmane-25t.png http://gmane.org http://comments.gmane.org/gmane.comp.graphics.qwt.general/3832 <pre> http://wpbiz.info/wp-content/plugins/tv1/work.php?mawspumqx792tw axhuelsmann Axel Huelsmann ============ We wanted to see the geek who valued the love of his children more than money. -- the Simpsons % ------------------------------------------------------------------------------ Learn Graph Databases - Download FREE O'Reilly Book "Graph Databases" is the definitive new guide to graph databases and their applications. This 200-page book is written by three acclaimed leaders in the field. The early access version is available now. Download your free book today! http://p.sf.net/sfu/neotech_d2d_may_______________________________________________ qwt-interest mailing list qwt-interest&lt; at &gt;lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/qwt-interest </pre> Axel Huelsmann 2013-05-08T00:13:22 http://comments.gmane.org/gmane.comp.graphics.qwt.general/3830 <pre>Hello all, I was using check box as legend item, but the requirement now changes to display multiple lines for single legend. For example legend text "F_JD20F2_MSSQL_ERROR F_JT01E4_INTEG_UNRECOV_FAIL_FREQ F_JT0207_INTEG_NOT_SAVEABLE F_JT04A1_NET_VERSION" needs to be displayed like F_JD20F2_MSSQL_ERROR F_JT01E4_INTEG_UNRECOV_FAIL_FREQ F_JT0207_INTEG_NOT_SAVEABLE F_JT04A1_NET_VERSION I thought it may be easier to use rich text. So my first attempt was to replace spaces with &lt;br&gt; in legend text then creates a legend item widget containing a checkbox and a label. The reason is that checkbox does not understand rich text. Result turns out not to be satisfactory since labels are not aligned. Sample code is: QWidget* JBStatCurve::legendItem(void) const { QWidget *legend_tab= new QWidget(plot); QHBoxLayout *legend_lay= new QHBoxLayout(legend_tab); legend_lay-&gt;setSpacing(0); legend_lay-&gt;setMargin(0); QCheckBox *check_box= new QCheckBox("", legend_tab); QPalette *palette= new QPal</pre> HongLiang Wang 2013-04-30T08:06:01 http://comments.gmane.org/gmane.comp.graphics.qwt.general/3824 <pre>Hello, I have been trying to build qwt for the Freescale i.mx6 processor. I have successfully built the qmake for the i.mx6. I am using qt version 4.8, and I have been able to successfully build qwt for my host machine. My host is a Ubuntu machine on intel x86 processor. However, when I try to build the qwt plugin I get the following error. /opt/freescale/usr/local/gcc-4.6.2-glibc-2.13-linaro-multilib-2011.12/fsl-li naro-toolchain/bin/../lib/gcc/arm-fsl-linux-gnueabi/4.6.2/../../../../arm-fs l-linux-gnueabi/bin/ld: cannot find -lQtDesigner Thanks for your help, Alexander Keller ------------------------------------------------------------------------------ Minimize network downtime and maximize team effectiveness. Reduce network management and security costs.Learn how to hire the most talented Cisco Certified professionals. Visit the Employer Resources Portal http://www.cisco.com/web/learning/employer_resources/index.html_______________________________________________ qwt-interest maili</pre> Alexander Keller 2013-04-08T16:23:31 http://comments.gmane.org/gmane.comp.graphics.qwt.general/3815 <pre>Hello Lists! I am considering upgrading to Qt 5 (from Qt 4), but I also use qwt, and I am wondering whether I should expect any significant issues doing so. (As I've outlined in some related posts, I am considering upgrading the compiler and various libraries I use, in part with an eye on using c++11 features. I am currently using one of Ruben's mingw-w64 gcc 4.7 builds.) I am using qwt 6.0.1 with Qt 4. (I upgraded from qwt 5 a little while back without too much difficulty.) How does qwt (version 6, presumably) work with Qt 5? Does this proposed upgrade make sense, or are there likely to be difficulties involved? Thanks for any information. K. Frank ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_mar </pre> K. Frank 2013-03-21T22:49:29 http://comments.gmane.org/gmane.comp.graphics.qwt.general/3813 <pre>Hi, In qt_slider.h would it be possible to make QwtScaleDraw *scaleDraw(); protected instead of private? The reason is that in a derived class I need to do this: scaleDraw()-&gt;enableComponent(QwtAbstractScaleDraw::Labels, false); Glenn ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_mar </pre> Glenn Ramsey 2013-03-21T19:26:15 http://comments.gmane.org/gmane.comp.graphics.qwt.general/3812 <pre>Up to Qt 4.8.4 M_PI_2 is not known by MinGW-w64 when compiling with -std=c++11. http://qt.gitorious.org/qt/qtbase/commit/d3c1a9f38784c8d3a439517cc971320d74613869?format=patch In 4.8.5 it should be fixed. Peter ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_feb_______________________________________________ qwt-interest mailing list qwt-interest&lt; at &gt;lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/qwt-interest </pre> Peter Kümmel 2013-03-03T11:08:15 http://comments.gmane.org/gmane.comp.graphics.qwt.general/3811 <pre>Hi, I've downloaded the qwt-4.2.0-setup-qt230nc.exe executable file and I've installed it. Then I've downloaded the latest version of MinGW and finally I've installed Qt 5.0.1 with Qt Creator 2.6.2 for Windows (MinGW). Later I've opened a command line, cmd, and I've put this commands: cd "Program Files (x86)\Qwt" path C:\Qt\Qt5.0.1\5.0.1\mingw47_32\bin qmake qwt.pro path C:\MinGW\bin mingw32-make and I get this output: mingw32-make -f Makefile.Release mingw32-make[1]: Entering directory `C:/Program Files (x86)/Qwt' g++ -c -pipe -fno-keep-inline-dllexport -O2 -Wall -Wextra -frtti -fexceptions -m threads -DUNICODE -DQT_DLL -DQWT_DLL -DQWT_MAKEDLL -DQT_NO_DEBUG -DQT_GUI_LIB -D QT_CORE_LIB -DQT_OPENGL_ES_2 -DQT_OPENGL_ES_2_ANGLE -I. -I"include" -I"..\..\Qt\ Qt5.0.1\5.0.1\mingw47_32\include" -I"..\..\Qt\Qt5.0.1\5.0.1\mingw47_32\include\Q tGui" -I"..\..\Qt\Qt5.0.1\5.0.1\mingw47_32\include\QtCore" -I"src\moc" -I"..\..\ Qt\Qt5.0.1\5.0.1\mingw47_32\mkspecs\win32-g++" -o src\obj\qwt_autoscl.o src\qwt_ autoscl.cpp</pre> marble_developer marble_developer 2013-03-01T14:10:41 http://comments.gmane.org/gmane.comp.graphics.qwt.general/3806 <pre>Hi, I'm trying to manually install qwt-6.1.-rc3 into my specified folder, let's say:* /usr* How to specify the installation prefix (the expected installation folder) in a .pro file? Cheers </pre> JIA Pei 2013-02-21T22:31:19 http://comments.gmane.org/gmane.comp.graphics.qwt.general/3804 <pre>Hi, I am using qwt 6.1 and having trouble getting the white border around the canvas set to black. Here's what I do - however none of these seem to affect the border color. I can round the border using the pointer that is commented out, but not set it's color. Thanks in advance, Soren myPlot = new QwtPlot(parent); QPalette qpl= QApplication::palette(); qpl.setColor(QPalette::Active,QPalette::Window,Qt::black); qpl.setColor(QPalette::Inactive,QPalette::Window,Qt::black); qpl.setColor(QPalette::Disabled,QPalette::Window,Qt::black); //QwtPlotCanvas * cptr=static_cast&lt;QwtPlotCanvas*&gt; (myPlot-&gt;canvas()); myPlot-&gt;setPalette(qpl); ------------------------------------------------------------------------------ The Go Parallel Website, sponsored by Intel - in partnership with Geeknet, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials, tech docs, whitepapers, evaluation guides, and opinion stori</pre> Soren Christensen 2013-02-18T22:29:34 http://comments.gmane.org/gmane.comp.graphics.qwt.general/3803 <pre>Hello, Uwe Following your advice, I have replace the SamplingThread::sample(). However, I got stuck with the problem that the plot would be suspend after a while since it begin to run. If I changed the interval using setInterval() function, it would run a longer time and be suspend again. If the interval was set too large, the plot would become fitfully. I first created a thread for serial port( I was using qextserialport) and connect the readyRead() signal to a slot which read data from serial port. After the thread finished data reading, It release a sig_DataReceived signal to notify the serial port widget( I create two widget, one for serial port, another for oscilloscope). if ( m_wspSerialPort-&gt;bytesAvailable() &lt; 6 ) { return; } m_baReceivedBlock = m_wspSerialPort-&gt;read(6); // Here I stored the receiving data CSerialPort::m_sFreeSpace.acquire(); CSerialPort::m_lBlockArrayList.append( m_baReceivedBlock ); CSerialPort::m_sUsedSpace.release(); emit sig_DataReceive</pre> 鱿鱼 2013-02-16T03:54:00 http://comments.gmane.org/gmane.comp.graphics.qwt.general/3802 <pre>Hello, I had some trouble compiling the latest qwtpolar version from the subversion trunk under Windows. (VS2010 Qt 5.0.0) Attached is the patch that I needed to create to get it running. Best Regards Tim Index: examples/examples.pri =================================================================== --- examples/examples.pri(revision 154) +++ examples/examples.pri(working copy) &lt; at &gt;&lt; at &gt; -17,6 +17,8 &lt; at &gt;&lt; at &gt; DEPENDPATH += $${QWT_POLAR_ROOT}/src DESTDIR = $${QWT_POLAR_ROOT}/examples/bin$${SUFFIX_STR} +QMAKE_RPATHDIR *= $${QWT_POLAR_ROOT}/lib + contains(QWT_CONFIG, QwtFramework) { LIBS += -F$${QWT_POLAR_ROOT}/lib &lt; at &gt;&lt; at &gt; -44,7 +46,7 &lt; at &gt;&lt; at &gt; } win32 { - contains(QWT_CONFIG, QwtPolarDll) { + contains(QWT_POLAR_CONFIG, QwtPolarDll) { DEFINES += QT_DLL QWT_DLL QWT_POLAR_DLL } } Index: src/qwt_polar_global.h =================================================================== --- src/qwt_polar_global.h(revision 154) +++ src/qwt_polar_global.h(working copy) &lt; at &gt;&lt; at &gt; -16,7 +16,6 &lt; at &gt;&lt; at &gt; #def</pre> Tim D'Avis 2013-02-12T10:43:34 http://comments.gmane.org/gmane.comp.graphics.qwt.general/3801 <pre>Hello, I am new to qwt. I am using visual studio 2008 based on qt4.8.4 and qwt6.0.2 running on Windows XP. I am doing a project about realtime plotting the data which come from serial port. Now, I have finished the data receiving using QextSerialPort and QThread. When I push a button, the mcu will send data to PC every 1 second. however, I am puzzled with realtime plot these data point one by one. I have modified the oscilloscope example to do some plot. It worked well at begin, then the screen frozen. I did not buffer the receive data because I think 1 second interval is enough for pc to plot them. Would anybody give me some advice on realtime plot external data using qwt. Thanks so much.------------------------------------------------------------------------------ Free Next-Gen Firewall Hardware Offer Buy your Sophos next-gen firewall before the end March 2013 and get the hardware for free! Learn more. http://p.sf.net/sfu/sophos-d2d-feb_______________________________________________ qwt-interest mailing</pre> 鱿鱼 2013-02-12T02:55:16 http://comments.gmane.org/gmane.comp.graphics.qwt.general/3795 <pre>Hello, I am new to this list and new to qwt. I am using Qt Creator 2.4.1 Based on Qt 4.8.0 (32 bit) running under Ubuntu 12.04 I downloaded the current qwt (6.1.0) and successfully installed the libraries. I can compile and run the terrific example programs but am flummoxed as to how I should link to qwt from my Qt programs. I created a test project and I tried putting an include in my progect .pro file: include( /home/val/QT_Projects/qwt-6.1-rc3/examples/examples.pri) {This is similar to what the examples do.} This brings many directories into my QfCreator project and allows me to compile and run elements of qwt. The odd thing I found is that if I then add a class of my own into this test project, I find that some macro somewhere has taken over such fundamentals as signals and slots so that no QObject or QWidget can be added to my project. For example ,I get the error 'signals' does not name a type Clearly, I am not linking properly to qwt. I saw a note on this listserv to link to shared libraries</pre> Val Veirs (R 2013-02-08T06:50:53 http://comments.gmane.org/gmane.comp.graphics.qwt.general/3788 <pre>Hello. Attached is a patch adding a "bidirectional" property to QwtThermo which, if set to true, lets the liquid start at 0 (instead of the min/max value) and allowing it to grow both directions. This screenshot demonstrates the purpose: http://www.pasteall.org/pic/show.php?id=45065 Still missing: Support for gradients, documentation. (Oh, the patch also adds an orientation property - this is necessary if you set the scale to NoScale - it's no longer possible to change orientation otherwise...) Opinions? Cheers, Felix Eurocopter Deutschland GmbH Sitz der Gesellschaft/Registered Office: Donauwoerth Registergericht/Registration Court: Amtsgericht Augsburg HRB 16508 Vorsitzender des Aufsichtsrates/Chairman of the Supervisory Board: Dr. Lutz Bertling Geschaeftsfuehrung/Board of Management: Dr. Wolfgang Schoder, Vorsitzender/CEO; Friedrich-Wilhelm Hormel; Ralf Barnscheidt CONFIDENTIALITY NOTICE This communication and the information it contains is intended for the addressee(s) named above and for</pre> Felix Nawothnig 2013-02-07T10:33:41 http://comments.gmane.org/gmane.comp.graphics.qwt.general/3778 <pre>Hello, I have a requirement for my project to be able to draw a vertical or horizontal line at the current mouse position a given plot. The vertical line should extend from the top of the canvas to the bottom at the mouses current x position. The horizontal line should extend from the left side of the canvas to the right at the mouses current y position. I already have a QwtPlotZoomer that i have attached to the plot so i decided to subclass QwtPlotZoomer and override the drawTracker(QPainter*) function (below is the implementation). Note the following are member variables defined in the header: Qt::Orientations mTrackerLinesOrientations; QPen mTrackerLinesPen; void CustomZoomer::drawTracker(QPainter* pPainter) const { QwtPlotPicker::drawTracker(pPainter); // is there an orientation? if (!mTrackerLinesOrientations) { // no orientation return; } // trackerPosition() returns a point with x = -1, y = -1 when mouse is // outside the plot const QPoint tracker_pos = trackerPosition();</pre> Nick Maludy 2013-02-04T20:09:04 http://comments.gmane.org/gmane.comp.graphics.qwt.general/3775 <pre>Uwe and others-- I've run into a few problems with replicating my development environment on my new mac (Qt 4.8.4, not Qt5), and after a lot of reading and learning, I believe I have some simple fixes. First, some details to help others when google hopefully indexes this: Qwt builds and install fine by default (caveat: I disabled MathML and designer plugin since I don¹t need them, and I had previously changed the default qmakespec to macx-g++, and this is against the binary 4.8 release direct from Digia). Based on that, I would have expected qwtpolar to do so as well (after making quake aware of /usr/local/qwt-XXX/features)--but it compiles, but does not link. The issue is that the -l flag rather than the -framework option is being passed to ld, which appears to be because the qwt copy of qwtAddLibrary does not detect if it was built as a framework as set in qwtconfig.pri. The following patch to qwtfunctions.pri corrects that: 38c38,42 &lt; --- A couple of other things I noticed and could be changed </pre> Clarkson, Edward C. 2013-02-02T20:03:08 http://comments.gmane.org/gmane.comp.graphics.qwt.general/3774 <pre>Hi, Thank you for your suggestions. I used a individual thread to receive data. So, I think what I should do is attaching reading data operation to the SamplingThread , formating the received data which could be used for display and feed them to the SignalData using append method. ------------------ 原始邮件 ------------------ 发件人: "Uwe Rathmann"&lt;Uwe.Rathmann&lt; at &gt;tigertal.de&gt;; 发送时间: 2013年2月2日(星期六) 上午6:39 收件人: "List for both Qwt users and developers"&lt;qwt-interest&lt; at &gt;lists.sourceforge.net&gt;; 主题: Re: Help about qwt oscilloscope example On 02/01/2013 11:13 AM, 鱿鱼 wrote: No - oscilloscope is more a demo showing what can be done with Qwt than what you expect from an example Replace the code in SamplingThread::value(), instead by reading a value from the serial port. If periodically polling is not what you need replace SamplingThread::sample() and feed SignalData::instance().append() somehow else. Uwe -------------------------</pre> 鱿鱼 2013-02-01T23:15:21 http://comments.gmane.org/gmane.comp.graphics.qwt.general/3771 <pre>Hi I need to do a realtime data plotting using pwt. The data are obtained from other device through serial port. I have finished serial port communication base on qt and QextSerialPort and I have noticed that there is an oscilloscope example which was close to my requirement. But I still have some troubles with this example. first, Are there some detailed explaination about the class CurveData and SignalData. There are no comments about the two classes. I knew that they provide the data used to plot, but I could not understand how they work, even where the sine curve come from. next, Is it possible to use these two classes to hold my data which come from serial port and how to do that if they can hold external data.------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_jan_______________________________________________ qwt-inter</pre> 鱿鱼 2013-02-01T10:13:19 http://comments.gmane.org/gmane.comp.graphics.qwt.general/3761 <pre>All, I've looked through Qwt 6.1rc3 a little more in-depth and have a question on some of the new QwtPlotItem subclasses. Specifically I am interested in QwtPlotLegendItem and QwtPlotTextLabel but I think this question applies to other plot items. I understand how the alignment flags basically gives me 9 options (3 vertically by 3 horizontally). For lack of a better term, I'll refer to the those nine options as anchor points. I also understand that I can make use of (some would say abuse) the margin to move the item on a diagonal from the anchor points. This works because the margin is applied as a constant in every direction. Is it possible to move the plot item away from one of those 9 anchor points by a variable number of pixels in either direction? For instance, using QwtPlotTextLabel, I may want to locate text 10 pixels down and 25 pixels over from the top left corner. I don't see how that is possible with the current implementation. I have a similar use case for the on-canvas legend using QwtPlotLeg</pre> John Cummings 2013-01-29T16:41:00 http://comments.gmane.org/gmane.comp.graphics.qwt.general/3757 <pre>------------------------------------------------------------------------------ Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS, MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current with LearnDevNow - 3,200 step-by-step video tutorials by Microsoft MVPs and experts. ON SALE this month only -- learn more at: http://p.sf.net/sfu/learnnow-d2d_______________________________________________ qwt-interest mailing list qwt-interest&lt; at &gt;lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/qwt-interest </pre> 鱿鱼 2013-01-29T02:35:06 http://comments.gmane.org/gmane.comp.graphics.qwt.general/3756 <pre>All, As noted in a previous email, I'm excited about the new Qwt 6.1 with its interesting new features. Many of the features are things I've had to add myself for several years. I'm excited about an implementation of them being included in the baseline. One of those things is a legend on the plot canvas. I immediately noticed that QwtPlotItem::updateLegend has changed significantly. I understand the changes and can either make use of your on-canvas legend or re-implement the functionality. I'll probably have a more in-depth followup on this new feature later- hopefully before the final release. However, I wanted to note for everyone that Qwt 6.1 is not completely source compatible with Qwt 6.0. This email is not a complaint but rather information I would have found useful. Here are some changes that were not source compatible that I noted while integrating Qwt 6.1rc3 (some of these may have already been mentioned in other emails and some are alluded to in the changelog): QwtPlotZoomer constructor now take</pre> John Cummings 2013-01-28T21:59:37 Search the mailing list at Gmane query http://search.gmane.org/?group=$group=gmane.comp.graphics.qwt.general