Log of /trunk/hist/hist/inc/TGraphDelaunay.h
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33763 -
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Modified
Mon Jun 7 15:06:10 2010 UTC (4 years, 7 months ago) by
couet
File length: 4601 byte(s)
Diff to
previous 22694
- The X and Y vectors are normalized in order to compute the triangles.
The scale factor used was the same for the X and Y axis.
This generated problems (very long triangles instead of the obvious ones)
in some cases when the X and Y axis had very different ranges. Having two
scale factors, one for the X axis and one for the Y axis, cures the problem.
Revision
11508 -
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Modified
Wed Apr 6 13:03:20 2005 UTC (9 years, 9 months ago) by
brun
Original Path:
trunk/hist/inc/TGraphDelaunay.h
File length: 4473 byte(s)
Diff to
previous 8048
from Olivier
- Postpone the creation of the triangles data structure and the hull
finding. They are now done only when really needed. This increases the
performances in cases where triangles and hull are not useful, for
instance when a TGraph2D is drawn with option "P" only.
Revision
7998 -
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Added
Fri Jan 23 23:30:31 2004 UTC (11 years ago) by
brun
Original Path:
trunk/hist/inc/TGraphDelaunay.h
File length: 4509 byte(s)
From Olivier:
TGraph2D is now split into 3 classes:
- TGraph2D (now in hist) to handle the basic graph 2d data
- TGraphDelaunay (in hist) to generate a Delaunay triangulation of a TGraph2D.
- TGraphPainter (in histpainter) to paint a TGraphDelaunay (used via
THistPainter)
- New function GetContourList in TGraph2D
- New option CONT5: draws a TGraph2D as a contour (using Delaunay
triangles).
- New TGraph2D constructor (from a TH2).
The class TSpectrum2 has been removed (still waiting for fixes from Miroslav)
NOTE: it is recommended to make distclean make
or at least
rm hist/src/G* graph/src/G*
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