quick fix:
change *ImageExporter.py*:
*bg = np.empty((self.params['width'], self.params['height'], 4),
dtype=np.ubyte)*
to:
*bg = np.empty((int(self.params['width']), int(self.params['height']), 4),
dtype=np.ubyte)*

On Thu, Feb 9, 2017 at 11:40 AM, François <[email protected]> wrote:

> Dear all,
>
> I recently updated pyqtgraph from 0.9 to 0.10 and now have a problem with
> the exporter.
>
> The same bug appears in the example code given in the documentation:
> http://www.pyqtgraph.org/documentation/exporting.html
>
> This is what I get:
> Python 2.7.12 (default, Nov 19 2016, 06:48:10)
> [GCC 5.4.0 20160609] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
> >>> import pyqtgraph as pg
> >>> import pyqtgraph.exporters
> >>> plt = pg.plot([1,5,2,4,3])
> >>> exporter = pg.exporters.ImageExporter(plt.plotItem)
> >>> exporter.parameters()['width'] = 100
> >>> exporter.export('fileName.png')
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
>   File 
> "/usr/local/lib/python2.7/dist-packages/pyqtgraph/exporters/ImageExporter.py",
> line 70, in export
>     bg = np.empty((self.params['width'], self.params['height'], 4),
> dtype=np.ubyte)
> TypeError: 'float' object cannot be interpreted as an index
>
> Best
> François
>
> --
> You received this message because you are subscribed to the Google Groups
> "pyqtgraph" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to [email protected].
> To view this discussion on the web visit https://groups.google.com/d/
> msgid/pyqtgraph/f8558f05-4cad-4438-9ce6-fa51b5f3c973%40googlegroups.com
> <https://groups.google.com/d/msgid/pyqtgraph/f8558f05-4cad-4438-9ce6-fa51b5f3c973%40googlegroups.com?utm_medium=email&utm_source=footer>
> .
> For more options, visit https://groups.google.com/d/optout.
>

-- 
You received this message because you are subscribed to the Google Groups 
"pyqtgraph" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To view this discussion on the web visit 
https://groups.google.com/d/msgid/pyqtgraph/CAD_qyJoUO8C8ur%2BaPDMXBrmnJ7VCTbQ-zpA5ZSE8xk6VM4rX3A%40mail.gmail.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to