Just tested it...... This is absolutely mind blowing!!!!! Amazing job R.
Now, all I have to do is see if I can make it run on a server..... On Wed, Nov 2, 2011 at 9:19 PM, Roni Biran <[email protected]> wrote: > Sounds interesting... will check > Great job R > > > > On 2 בנוב 2011, at 19:23, Riccardo Govoni <[email protected]> wrote: > > This is a topic that pops up frequently here in the forum. Many users have > the need to convert/serialize the interactive charts they generate using > the Google Charts Tools API into static images (PNGs or equivalent) for the > user to download or further process. > > Currently the interactive charts API do not offer this feature (unless you > are in specific domains, such as within a Google Apps > Script<http://code.google.com/googleapps/appsscript/>script), unless you are > willing to regenerate your chart using the static > image APIs <http://code.google.com/apis/chart/image/> --- which however > have different semantics, making it difficult to support both. > > A quick workaround for this is to convert the SVG chart to <canvas /> and > then extract the image data from there. This allows for full client-side > pure javascript image serialization, at the cost of cross-browser support. > The solution works on Chrome,Safari,Firefox,IE9 and Opera, but IE8 and > lower does not support the necessary features for this to work (server-side > image serialization is also possible, although I won't discuss it here). > > I have written a brief tutorial and example page to show how this work. > Depending on the browsers your users use, and how flexible you can be, the > solution might be good enough for your case. > > Tutorial : > http://www.battlehorse.net/page/topics/charts/save_google_charts_as_image.html > Example page: > http://www.battlehorse.net/attach/topics/charts/google_charts_to_image.html > Source code : https://gist.github.com/1333906 > > Please note that this is somewhat an hack that I put together in the spare > time based on the popularity of topic and lack of support in the current > official API, so use at your own risk. Have a look at the tutorial for the > limitations. If I were to support image serialization for a production > service, I'd still recommend using the static image APIs mentioned above. > > Please discuss / comment / improve. > - R. > > -- > You received this message because you are subscribed to the Google Groups > "Google Visualization API" group. > To view this discussion on the web visit > https://groups.google.com/d/msg/google-visualization-api/-/8kJwHA9OQwsJ. > To post to this group, send email to > [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/google-visualization-api?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google Visualization API" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-visualization-api?hl=en.
