Sorry for being silent. WE are away until next week. We will then answer the few emails recently posted to this list. Rene Brun Thomas Kraemerkaemper wrote: > > Hi, > > I would like to get some publication ready postscript output from > several plots. First I thought this would be quite easy now with ROOT, > but after spending several hours I give up now and ask the community: > > What I want is just plain plots; no 3D stuff, no background colors. > Looks like a simple task, but has become a bold challenge for me. > > 1. I used only one pad. After some time I figured out (mostly by try and > error, because the options are spread widely in the documentation and > also nomenclature is not always clear (e.g. which frame belongs to which > object?) that I could get rid of all unwanted 'decorations' with: > > aCanvas = new TCanvas("aCanvas", "My Screen", 0, 0, 640, 400); > aCanvas->cd(); > aCanvas->SetFillStyle(0); > // Set fill style to hollow mode. > aCanvas->SetBorderMode(0); > // Switch off the 3D effects. > // Alternatively: +1, -1 for above/behind the screen. > aCanvas->SetLineColor(10); > // Set line color to white (?). > > Only after drawing some histogram into this pad one can get access to > the frames to get rid of them: > > aCanvas->GetFrame()->SetFillStyle(0); > aCanvas->GetFrame()->SetBorderMode(0); > > This finally works but is way too much to do for such a simple request! > BTW: 'gStyle->SetLabelFont(40)' has no effect. I have to use > histo->GetXaxis()->SetLabelFont(40); > to obtain what I want. > > 2a. Now I would like to use 4 pads: > > aCanvas->Divide(2, 2, 0., 0., 0); > // 0 means 'use color of parent pad', says documentation... > aCanvas->cd(1); > > Plotting of four histograms yields to four nice histograms, but all of > them have now an unwanted grey background and 3D decorations. I had > expected that they inherit the behaviour of the parent. In addition, > despite the pad-margins of 0., there is a small gap between the four > histgrams (on display only). > > 2b. Now I try everything that worked for the single pad for these four > pads: > > aCanvas_1->SetFillStyle(0); > // Means hollow fill style. > aCanvas_1->SetBorderMode(0); > aCanvas_1->SetLineColor(10); > aCanvas_1->GetFrame()->SetFillStyle(0); > aCanvas_1->GetFrame()->SetBorderMode(0); > > No change. Especially is the filling not 'hollow', but solid. > > 2c. Now I try instead a solid fill style with color white: > > Mh, which number is 'white'? Unfortunatly, 'white' seems not to be at > some special position in the ROOT color table. Would be nice to have > something like the Xt macros BlackPixel() and WhitePixel(); this is a > problem because the 256 colors of my workstation are already used up by > several applications, hence, I can found a dozen 'whites' either via > 'View->Colors'-menu or via the ROOT www site and the TAttFill > description. With a b&w terminal you simply have no chance at all to > find it out. Finally I believe number 10 is correct: > > aCanvas_1->SetFillStyle(1001); > // Means solid fill style. > aCanvas_1->SetFillColor(10); > aCanvas_1->SetBorderMode(0); > aCanvas_1->SetLineColor(10); > aCanvas_1->GetFrame()->SetFillStyle(0); > aCanvas_1->GetFrame()->SetBorderMode(0); > > Yields to a brighter background grey, but still a grey... > > Any suggestions what I'm doing wrong? Despite the likely possibility > that I did something very stupidly wrong, I have the impression that it > _is_ difficult in ROOT to figure out what one has to change to get a > different look&feel of the plots than the default one. Much www pages to > read to find out, what option changes what. > > Tsch"uss, Thomas (using a Sparcstation 20 as a display, running root > 1.03/03 at a RS6000 with AIX4.1).
This archive was generated by hypermail 2b29 : Tue Jan 04 2000 - 00:26:20 MET