{
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    {
      "cell_type": "code",
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      "source": [
        "%gui qt"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
        "\n# Vispy Console\n\nDemonstrate the use of the vispy console.\n\nNote how the console size is independent of the canvas scaling.\n"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "collapsed": false
      },
      "outputs": [],
      "source": [
        "import sys\n\nfrom vispy import scene, app\nfrom vispy.scene.widgets import Console\nfrom vispy.scene.visuals import Text\n\ncanvas = scene.SceneCanvas(keys='interactive', size=(400, 400))\ngrid = canvas.central_widget.add_grid()\n\nvb = scene.widgets.ViewBox(border_color='b')\nvb.camera = 'panzoom'\nvb.camera.rect = -1, -1, 2, 2\ngrid.add_widget(vb, row=0, col=0)\ntext = Text('Starting timer...', color='w', font_size=24, parent=vb.scene)\n\nconsole = Console(text_color='g', font_size=12., border_color='g')\ngrid.add_widget(console, row=1, col=0)\n\n\ndef on_timer(event):\n    text.text = 'Tick #%s' % event.iteration\n    if event.iteration > 1 and event.iteration % 10 == 0:\n        console.clear()\n    console.write('Elapsed:\\n  %s' % event.elapsed)\n    canvas.update()\n\ntimer = app.Timer(2.0, connect=on_timer, start=True)\n\nconsole.write('This is a line that will be wrapped automatically by the '\n              'console.\\n')\nconsole.write('This line will be truncated ....................,\\n'\n              'but this next line will survive.\\n', wrap=False)\n\nif __name__ == '__main__':\n    canvas.show()\n    if sys.flags.interactive != 1:\n        canvas.app.run()"
      ]
    }
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      "display_name": "Python 3",
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