swh:1:snp:af87cd67498ef4fe47c76ed3e7caffe5b61facaf
Tip revision: c9efe024ca039cdac6f9fe015dd231f95f7c00c2 authored by Unknown Author on 18 January 2001, 11:26:51 UTC
This commit was manufactured by cvs2svn to create tag 'v3-00-02'.
This commit was manufactured by cvs2svn to create tag 'v3-00-02'.
Tip revision: c9efe02
fildir.C
{
//
// This macro displays the ROOT Directory data structure
//
gROOT->Reset();
c1 = new TCanvas("c1","ROOT FilDir description",700,900);
c1->Range(1,1,19,24.5);
TPaveLabel title(4,23,16,24.2,"ROOT File/Directory/Key description");
title.SetFillColor(16);
title.Draw();
Int_t keycolor = 42;
Int_t dircolor = 21;
Int_t objcolor = 46;
TPaveText file(2,19,6,22);
file.SetFillColor(39);
file.Draw();
file.SetTextSize(0.04);
file.AddText("TFile");
file.AddText("Header");
TArrow arrow(6,20.5,17,20.5,0.02,"|>");
arrow.SetFillStyle(1001);
arrow.SetLineWidth(2);
arrow.Draw();
TPaveText free(8,20,11,21);
free.SetFillColor(18);
free.Draw();
free.AddText("First:Last");
TPaveText free2(12,20,15,21);
free2.SetFillColor(18);
free2.Draw();
free2.AddText("First:Last");
TText tfree(6.2,21.2,"fFree = TList of free blocks");
tfree.SetTextSize(0.02);
tfree.Draw();
TText tkeys(5.2,18.2,"fKeys = TList of Keys");
tkeys.SetTextSize(0.02);
tkeys.Draw();
TText tmemory(3.2,15.2,"fListHead = TList of Objects in memory");
tmemory.SetTextSize(0.02);
tmemory.Draw();
arrow.DrawArrow(5,17,17,17,0.02,"|>");
TLine line(5,19,5,17);
line.SetLineWidth(2);
line.Draw();
TPaveText key0(7,16,10,18);
key0.SetTextSize(0.04);
key0.SetFillColor(keycolor);
key0.AddText("Key 0");
key0.Draw();
TPaveText key1(12,16,15,18);
key1.SetTextSize(0.04);
key1.SetFillColor(keycolor);
key1.AddText("Key 1");
key1.Draw();
line.DrawLine(3,19,3,14);
line.DrawLine(3,14,18,14);
TPaveText obj0(5,13,8,15);
obj0.SetFillColor(objcolor);
obj0.AddText("Object");
obj0.Draw();
TPaveText dir1(10,13,13,15);
dir1.SetFillColor(dircolor);
dir1.AddText("SubDir");
dir1.Draw();
TPaveText obj1(15,13,18,15);
obj1.SetFillColor(objcolor);
obj1.AddText("Object");
obj1.Draw();
arrow.DrawArrow(12,11,17,11,0.015,"|>");
arrow.DrawArrow(11,9,17,9,0.015,"|>");
line.DrawLine(12,13,12,11);
line.DrawLine(11,13,11,9);
TPaveText key2(14,10.5,16,11.5);
key2.SetFillColor(keycolor);
key2.AddText("Key 0");
key2.Draw();
TPaveText obj2(14,8.5,16,9.5);
obj2.SetFillColor(objcolor);
obj2.AddText("Object");
obj2.Draw();
TLine ldot(10,15,2,11);
ldot.SetLineStyle(2);
ldot.Draw();
ldot.DrawLine(13,15,8,11);
ldot.DrawLine(13,13,8,5);
TPaveText dirdata(2,5,8,11);
dirdata.SetTextAlign(12);
dirdata.SetFillColor(dircolor);
dirdata.Draw();
dirdata.SetTextSize(0.015);
dirdata.AddText("fModified: True if directory is modified");
dirdata.AddText("fWritable: True if directory is writable");
dirdata.AddText("fDatimeC: Creation Date/Time");
dirdata.AddText("fDatimeM: Last mod Date/Time");
dirdata.AddText("fNbytesKeys: Number of bytes of key");
dirdata.AddText("fNbytesName : Header length up to title");
dirdata.AddText("fSeekDir: Start of Directory on file");
dirdata.AddText("fSeekParent: Start of Parent Directory");
dirdata.AddText("fSeekKeys: Pointer to Keys record");
TPaveText keydata(10,2,17,7);
keydata.SetTextAlign(12);
keydata.SetFillColor(keycolor);
keydata.Draw();
ldot.DrawLine(14,11.5,10,7);
ldot.DrawLine(16,11.5,17,7);
keydata.SetTextSize(0.015);
keydata.AddText("fNbytes: Size of compressed Object");
keydata.AddText("fObjLen: Size of uncompressed Object");
keydata.AddText("fDatime: Date/Time when written to store");
keydata.AddText("fKeylen: Number of bytes for the key");
keydata.AddText("fCycle : Cycle number");
keydata.AddText("fSeekKey: Pointer to Object on file");
keydata.AddText("fSeekPdir: Pointer to directory on file");
keydata.AddText("fClassName: 'TKey'");
keydata.AddText("fName: Object name");
keydata.AddText("fTitle: Object Title");
}