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qflightinstruments's Introduction

Qt Flight instrument widgets

This program is a pure Qt implementation of flight instrument widgets, including attitude display indicator (ADI), compass, and list viewer. These widgets are wrote in single .h/.cpp, therefore is easy to add to your project. In addition it is easy to modify.

The source is based on part of source code (https://github.com/cmex81/qAttitudeIndicator). We improve their implementation and make it clear to read.

Requirements:

  • Qt4 (sudo apt-get install libqt4-core libqt4-dev)

Compile:

qmake qFlightInstruments.pro

make

Usage:

./qFlightInstruments

Keyboard:
    UP    - Pitch +
    DOWN  - Pitch -
    LEFT  - Roll -
    RIGHT - Roll +
    A     - Yaw +
    D     - Yaw -
    W     - Alt +
    S     - Alt -
    J     - H +
    K     - H -

Plateform:

Only test on Linux Mint 16 64-bit.

Screenshot:

-alt text

Project homepage:

http://www.adv-ci.com/blog/source/qflightinstruments/

qflightinstruments's People

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qflightinstruments's Issues

cpu usage high

the CPU usage is quite high with the code.
after debugging, I think it is related to the following code in the "paintEvent" function.

QRegion maskRegion(-m_size/2, -m_size/2, m_size, m_size, QRegion::Ellipse);
painter.setClipRegion(maskRegion);

seems setting the second parameter to "Qt::NoClip" OR deleting the two lines code will solve this problem.

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