[ RadSafe ] A long shot here ....

[Yannis Pantos]

Try this, it will do the job and it is free


http://www.getdata-graph-digitizer.com/

2015-12-18 14:44 GMT-05:00 Ted de Castro <tdc at xrayted.com>:

> On page 164 of the 1970 Radiological Health Handbook is a very useful
> graph entitled "Half-Value layers at Photon from 10 keV to 10 meV".
>
> I was looking into electronic ways to interpolate values from the graph
> but found that the only twp pieces of software that would allow me to get
> absolute pixel coordinates from the image are Photo Shop or MatLab - I have
> neither and can't afford either.  (with the pixel coordinates of the 4
> corners of the plot and the point of interest - a spreadsheet that would
> return the value of the point of interest would be a trivial exercise).
>
> So - the question here is - does anyone have this plot in a better quality
> electronic image, or has anyone worked out the data points from which it
> was compiled or has anyone come up with or found an electronic way to get
> this information?
>
> Thanks
> _______________________________________________
> You are currently subscribed to the RadSafe mailing list
>
> Before posting a message to RadSafe be sure to have read and understood
> the RadSafe rules. These can be found at:
> http://health.phys.iit.edu/radsaferules.html
>
> For information on how to subscribe or unsubscribe and other settings
> visit: http://health.phys.iit.edu
>