Re: Script BOY IntensityGraph to show areaDetector output of variable size

[Phil Atkin <phil.atkin@pixelanalytics.co.uk>]

Thanks to both of you.
Could one of you give me a pointer on how to create such a rule?

Thanks

Phil

On 20/04/2016 16:56, Pearson, Matthew R. wrote:
> Hi Phil,
>
> We do the same as Bruno mentions.
>
> Data Height (ArraySize1_RBV)
> Data Width (ArraySize0_RBV)
>
> where the PVs are from the StdArray plugin.
>
> In addition you’ll also need to have additional rules for setting the X and Y axis Min and Max values. These rules use the PVs from the detector driver that knows about binning and ROI selection:
>
> X Axis Min - (MinX_RBV)
> Y Axis Min - (MinY_RBV)
> X Axis Max (MinX_RBV + ArraySizeX_RBV)
> Y Axis Max (MinY_RBV + ArraySizeY_RBV)
>
> We also use a another rule that defines the maximum intensity (the Maximum property) based on a PV. Then we have a Scaled Slider widget to change the intensity.
>
> Cheers,
> Matt
>
>
> Data Acquisition and Control Engineer
> Spallation Neutron Source
> Oak Ridge National Lab
>
>
> > On Apr 20, 2016, at 9:26 AM, Bruno Martins <brunoseivam@gmail.com> wrote:
> >
> > Hi Phil,
> >
> > You can create two rules, for the data_width and data_height properties, that look at the $(P)ArraySize0_RBV and $(P)ArraySize1_RBV PV's
> >
> > HTH,
> >
> > Bruno
> >
> > On Wed, Apr 20, 2016 at 6:44 AM, Phil Atkin <phil.atkin@pixelanalytics.co.uk> wrote:
> > Thanks Gabriela,
> >
> > - but I guess my question was ambiguous.  If I understand correctly, your script adjusts the height of the IntensityGraph widget so that its aspect ratio matches the image.
> >
> > But the IntensityGraph will not display anything at all unless I set its Data Height and Data Width properties to match the attached array.  Do you have something to accomplish this?
> >
> > Also: I have no idea how to actually attach the code or make it run at an appropriate time.  Can you point me at documentation that describes this?
> >
> > Thanks
> >
> > Phil
> >
> >
> > On 20/04/2016 11:34, gabriele.salvato@cnr.it wrote:
> > this is the very simple python script that I use:
> >
> > from org.csstudio.opibuilder.scriptUtil import PVUtil
> >
> > imageWidget        = display.getWidget('Image')
> > imageXSizeWidget   = display.getWidget('X-Size')
> > imageYSizeWidget   = display.getWidget('Y-Size')
> >
> > try :
> >      imageXSizePV   = imageXSizeWidget.getPV()
> >      imageYSizePV   = imageYSizeWidget.getPV()
> >
> >      nImageRows    = PVUtil.getLong(imageYSizePV)
> >      nImageColumns = PVUtil.getLong(imageXSizePV)
> >
> >      imageWidget.setPropertyValue('graph_area_width', 512)
> >      imageWidget.setPropertyValue('graph_area_height', (512.0/nImageColumns)*nImageRows)
> >
> > except :
> >      pass
> >
> >
> >
> > Phil Atkin <phil.atkin@pixelanalytics.co.uk> ha scritto:
> >
> > Hi,
> >
> > I'm using BOY IntensityGraph to show a (stdArray) output image from an areaDetector driver/plugin.
> > The size of my array changes quite a bit.
> > Can someone tell me (in laborious detail if necessary, please) how to set up scripts or "embedded rules" on the IntensityGraph to cope with a variable-sized image?
> >
> > Thanks!
> >
> > Phil