ROOT
v6-32
Reference Guide
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REveScalableStraightLineSet.cxx
Go to the documentation of this file.
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// @(#)root/eve7:$Id$
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// Authors: Matevz Tadel & Alja Mrak-Tadel: 2020
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/*************************************************************************
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* Copyright (C) 1995-2020, Rene Brun and Fons Rademakers. *
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* All rights reserved. *
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* *
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* For the licensing terms see $ROOTSYS/LICENSE. *
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* For the list of contributors see $ROOTSYS/README/CREDITS. *
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*************************************************************************/
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#include "
ROOT/REveScalableStraightLineSet.hxx
"
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#include "
ROOT/REveChunkManager.hxx
"
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/** \class REveScalableStraightLineSet
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\ingroup REve
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Straight-line-set with extra scaling, useful for projectables that need
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to be scaled in accordance with an external object.
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*/
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using namespace
ROOT::Experimental
;
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////////////////////////////////////////////////////////////////////////////////
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/// Constructor.
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REveScalableStraightLineSet::REveScalableStraightLineSet(
const
std::string &
n
,
const
std::string &t):
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REveStraightLineSet
(
n
, t),
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fCurrentScale(1.0)
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{
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fScaleCenter
[0] = 0;
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fScaleCenter
[1] = 0;
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fScaleCenter
[2] = 0;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// Set scale center.
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void
REveScalableStraightLineSet::SetScaleCenter
(
Float_t
x
,
Float_t
y
,
Float_t
z)
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{
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fScaleCenter
[0] =
x
;
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fScaleCenter
[1] =
y
;
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fScaleCenter
[2] = z;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// Return current scale.
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Double_t
REveScalableStraightLineSet::GetScale
()
const
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{
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return
fCurrentScale
;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// Loop over line parameters and scale coordinates.
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void
REveScalableStraightLineSet::SetScale
(
Double_t
scale)
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{
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REveChunkManager::iterator
li(
GetLinePlex
());
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while
(li.
next
())
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{
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REveStraightLineSet::Line_t
&
l
= * (
REveStraightLineSet::Line_t
*) li();
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l
.fV1[0] =
fScaleCenter
[0]+(
l
.fV1[0]-
fScaleCenter
[0])/
fCurrentScale
*scale;
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l
.fV1[1] =
fScaleCenter
[1]+(
l
.fV1[1]-
fScaleCenter
[1])/
fCurrentScale
*scale;
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l
.fV1[2] =
fScaleCenter
[2]+(
l
.fV1[2]-
fScaleCenter
[2])/
fCurrentScale
*scale;
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l
.fV2[0] =
fScaleCenter
[0]+(
l
.fV2[0]-
fScaleCenter
[0])/
fCurrentScale
*scale;
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l
.fV2[1] =
fScaleCenter
[1]+(
l
.fV2[1]-
fScaleCenter
[1])/
fCurrentScale
*scale;
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l
.fV2[2] =
fScaleCenter
[2]+(
l
.fV2[2]-
fScaleCenter
[2])/
fCurrentScale
*scale;
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}
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fCurrentScale
= scale;
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}
REveChunkManager.hxx
REveScalableStraightLineSet.hxx
Float_t
ROOT::Experimental::REveScalableStraightLineSet::fCurrentScale
Double_t fCurrentScale
Definition
REveScalableStraightLineSet.hxx:27
ROOT::Experimental::REveScalableStraightLineSet::SetScaleCenter
void SetScaleCenter(Float_t x, Float_t y, Float_t z)
Set scale center.
Definition
REveScalableStraightLineSet.cxx:38
ROOT::Experimental::REveScalableStraightLineSet::GetScale
Double_t GetScale() const
Return current scale.
Definition
REveScalableStraightLineSet.cxx:48
ROOT::Experimental::REveScalableStraightLineSet::SetScale
void SetScale(Double_t scale)
Loop over line parameters and scale coordinates.
Definition
REveScalableStraightLineSet.cxx:56
ROOT::Experimental::REveScalableStraightLineSet::fScaleCenter
Float_t fScaleCenter[3]
Definition
REveScalableStraightLineSet.hxx:28
ROOT::Experimental::REveStraightLineSet
REveStraightLineSet Set of straight lines with optional markers along the lines.
Definition
REveStraightLineSet.hxx:42
ROOT::Experimental::REveStraightLineSet::GetLinePlex
REveChunkManager & GetLinePlex()
Definition
REveStraightLineSet.hxx:102
double
y
Double_t y[n]
Definition
legend1.C:17
x
Double_t x[n]
Definition
legend1.C:17
n
const Int_t n
Definition
legend1.C:16
ROOT::Experimental
Definition
RDirectory.hxx:30
ROOT::Experimental::REveChunkManager::iterator
Definition
REveChunkManager.hxx:72
ROOT::Experimental::REveChunkManager::iterator::next
Bool_t next()
Go to next atom.
Definition
REveChunkManager.cxx:112
ROOT::Experimental::REveStraightLineSet::Line_t
Definition
REveStraightLineSet.hxx:49
l
TLine l
Definition
textangle.C:4
graf3d
eve7
src
REveScalableStraightLineSet.cxx
ROOT v6-32 - Reference Guide Generated on Fri Jul 19 2024 14:11:26 (GVA Time) using Doxygen 1.9.8