Open URI problems with google chart

Rails
1

Hi:

I’m using open-uri for trying to save the png generated with
google charts. I need to create a pdf report with charts
generated but I need to save thems in some way. the proble is
that the url is:

And seems that open-uri doesn’t accept pipes ‘|’ , Can anyone
help me…?

How can I save the images generated for use thems in PDFWriter…

2

i have the same problem. i keep getting bad uri with the symbol ^?

anyway to make it accept this symbol?