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  • 143k 主題
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    G
    I'm building a 3D scatter graph for a magnetometer calibration tool. The graph is centered on [0,0,0], I'd like to make sure the camera points through the most recent point (call it v) to [0,0,0]. I'm struggling finding the right incantation. I'm not really sure how CameraXRotation and CameraYRotation should relate to the euler angles of v. Here's my latest effort (which doesn't work): QVector3D v = QVector3D(x,y,z); v.normalize(); // camera vector QVector3D camera = QVector3D(0,1,0); // camera along y axis // compute rotation QQuaternion rotation = QQuaternion::rotationTo(camera,v); rotation.getEulerAngles(&pitch,&yaw,&roll); // set camera rotation graph->setCameraXRotation(roll); graph->setCameraYRotation(pitch);
  • Jobs, project showcases, announcements - anything that isn't directly development
    4k 23k
    4k 主題
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    Esmaeil_SooanE
    Hi, You can also check out this library: 👉 QAudioTagReader It’s a Qt-friendly wrapper around TagLib for exporting audio tags.
  • Everything related to designing and design tools

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    129 主題
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    J
    In QT Design Studio, Tab Buttons are mostly for navigation within the UI, but each tab doesn’t automatically hide other content. Usually, a StackView or Loader is needed to switch visible content depending on the active tab.
  • Everything related to the QA Tools

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    81 主題
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    H
    @IamSumit can you reproduce the issue and share the Support Information logs. Please refer to the following Knowledge Base Article regarding how to obtain the Support Information is https://qatools.knowledgebase.qt.io/misc/collecting-support-info/collecting-support-information-linux-mac-windows/
  • Everything related to learning Qt.

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    387 主題
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    V
    Hi, everyone. I'm looking for a teammate or two for this competition
  • 2k 主題
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    Kent-DorfmanK
    I do a lot of python/pyqt database access using psycopg2 for PostgreSQL. It's so much easier to prototype these kinds of ideas in a language like python, and if needed then port it to c++, but truth be told, most of the time the python app is just works as is so no need to rewrite in c++. For something as simple as you are alluding to, the hard core OO models using DAO/DTO are probably overkill. Also, when dealing qith SQL queries it's "nice" to work in a language that is NOT strongly typed. Sorry if this is a round-about way to respond. Your path has merit in the realm of intellectual curiosity, but if you want it done quickly then python is a better option, and you can still wrap it in a Qt GUI. Yikes! Didn't notice OP was 9 months ago...
  • 4k 主題
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    L
    我在Qt生成的动态库,是否可以用Visual Studio 中C++直接调用?项目中包含了Qt类型的是否可以生效,比如QString,QTimer? 是否可以用C#调用?
  • This is where all the posts related to the Qt web services go. Including severe sillyness.
    1k 10k
    1k 主題
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    Axel SpoerlA
    Everything looks right in my eyes. If I e.g. search for @Volker-Hilsheimer's blog post about QRangeModel, I'll find it here. Do you have a specific link for me to check?