Damon Hart wrote: > > My ROOT application uses a number of graphs of time series for which the > logical axis labels are alphanumeric representations of dates and times. > A roottalk digest entry of 16 April, 1998 demonstrates a simple way to > produce such labels more or less manually using raw text objects. The > same message also alludes to the infrastructure in place to generalize > the use of alphanumeric axis labels, which I gather from the source > refers to TAxis::fXlabels, TAxis::SetBinLabel(), etc. > > Is this infrastructure currently usable for this purpose? (A recent > download of the posted source suggests not.) I could, of course, attempt > to augment the demonstrated text method to automate tasks such as > placement, scale, text size, etc., but this effectively reimplements > much of the current axis label work without extending the code > significantly. Is there some more general contribution in this area a > ROOT novice might reasonably tackle? > Damon, The data structure for TAxis is ready to support alphanumeric labels but the methods to draw the info must still be implemented. I had many requests to support strings in TTree::Draw , TH1 or TGraph. This implies first to complete the TAxis implementation. I would like to merge at the same time the TAxis and TGaxis classes. I hope to have time to do this work around Christmas. Rene Brun
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