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Reference Guide
ROOT::Experimental::REveUtil Class Reference

REveUtil Standard utility functions for Reve.

Definition at line 36 of file REveUtil.hxx.

Public Member Functions

virtual ~REveUtil ()
 

Static Public Member Functions

static void AssertMacro (const char *mac)
 Load and execute macro 'mac' if it has not been loaded yet. More...
 
static Bool_t CheckMacro (const char *mac)
 Checks if macro 'mac' is loaded. More...
 
static void ColorFromIdx (Color_t ci, UChar_t col[4], Bool_t alpha=kTRUE)
 Fill col with RGBA values corresponding to index ci. More...
 
static void ColorFromIdx (Color_t ci, UChar_t col[4], Char_t transparency)
 Fill col with RGBA values corresponding to index ci and transparency. More...
 
static void ColorFromIdx (Float_t f1, Color_t c1, Float_t f2, Color_t c2, UChar_t col[4], Bool_t alpha=kTRUE)
 Fill col with weighted RGBA values corresponding to color-indices c1 and c2. More...
 
static Color_tFindColorVar (TObject *obj, const char *varname)
 Find address of Color_t data-member with name varname in object obj. More...
 
static Float_t GetFraction (Float_t minM, Float_t maxM, Float_t minQ, Float_t maxQ)
 Get fraction of interval [minQ, maxQ] in [minM, maxM]. More...
 
static Bool_t IsU1IntervalContainedByMeanDelta (Float_t meanM, Float_t deltaM, Float_t meanQ, Float_t deltaQ)
 
static Bool_t IsU1IntervalContainedByMinMax (Float_t minM, Float_t maxM, Float_t minQ, Float_t maxQ)
 Return true if interval Q is contained within interval M for U1 variables. More...
 
static Bool_t IsU1IntervalOverlappingByMeanDelta (Float_t meanM, Float_t deltaM, Float_t meanQ, Float_t deltaQ)
 
static Bool_t IsU1IntervalOverlappingByMinMax (Float_t minM, Float_t maxM, Float_t minQ, Float_t maxQ)
 Return true if interval Q is overlapping within interval M for U1 variables. More...
 
static void LoadMacro (const char *mac)
 Makes sure that macro 'mac' is loaded, but do not reload it. More...
 
static void Macro (const char *mac)
 Execute macro 'mac'. Do not reload the macro. More...
 
static void SetColorBrightness (Float_t value, Bool_t full_redraw=kFALSE)
 Tweak all ROOT colors to become brighter (if value > 0) or darker (value < 0). More...
 

Static Private Attributes

static TObjArrayfgDefaultColors = nullptr
 

#include <ROOT/REveUtil.hxx>

Constructor & Destructor Documentation

◆ ~REveUtil()

virtual ROOT::Experimental::REveUtil::~REveUtil ( )
inlinevirtual

Definition at line 42 of file REveUtil.hxx.

Member Function Documentation

◆ AssertMacro()

void REveUtil::AssertMacro ( const char *  mac)
static

Load and execute macro 'mac' if it has not been loaded yet.

Definition at line 88 of file REveUtil.cxx.

◆ CheckMacro()

Bool_t REveUtil::CheckMacro ( const char *  mac)
static

Checks if macro 'mac' is loaded.

Definition at line 70 of file REveUtil.cxx.

◆ ColorFromIdx() [1/3]

void REveUtil::ColorFromIdx ( Color_t  ci,
UChar_t  col[4],
Bool_t  alpha = kTRUE 
)
static

Fill col with RGBA values corresponding to index ci.

If alpha is true, set alpha component of col to 255. ROOT's indexed color palette does not support transparency.

Definition at line 122 of file REveUtil.cxx.

◆ ColorFromIdx() [2/3]

void REveUtil::ColorFromIdx ( Color_t  ci,
UChar_t  col[4],
Char_t  transparency 
)
static

Fill col with RGBA values corresponding to index ci and transparency.

ROOT's indexed color palette does not support transparency.

Definition at line 145 of file REveUtil.cxx.

◆ ColorFromIdx() [3/3]

void REveUtil::ColorFromIdx ( Float_t  f1,
Color_t  c1,
Float_t  f2,
Color_t  c2,
UChar_t  col[4],
Bool_t  alpha = kTRUE 
)
static

Fill col with weighted RGBA values corresponding to color-indices c1 and c2.

If alpha is true, set alpha component of col to 255.

Definition at line 170 of file REveUtil.cxx.

◆ FindColorVar()

Color_t * REveUtil::FindColorVar ( TObject obj,
const char *  varname 
)
static

Find address of Color_t data-member with name varname in object obj.

This is used to access color information for TGListTreeItem coloration from visualization macros that wrap TObjects into REveElementObjectPtr instances.

Definition at line 191 of file REveUtil.cxx.

◆ GetFraction()

Float_t REveUtil::GetFraction ( Float_t  minM,
Float_t  maxM,
Float_t  minQ,
Float_t  maxQ 
)
static

Get fraction of interval [minQ, maxQ] in [minM, maxM].

Definition at line 316 of file REveUtil.cxx.

◆ IsU1IntervalContainedByMeanDelta()

Bool_t REveUtil::IsU1IntervalContainedByMeanDelta ( Float_t  meanM,
Float_t  deltaM,
Float_t  meanQ,
Float_t  deltaQ 
)
inlinestatic

Definition at line 71 of file REveUtil.hxx.

◆ IsU1IntervalContainedByMinMax()

Bool_t REveUtil::IsU1IntervalContainedByMinMax ( Float_t  minM,
Float_t  maxM,
Float_t  minQ,
Float_t  maxQ 
)
static

Return true if interval Q is contained within interval M for U1 variables.

It is assumed that all values are within the [-2pi, 2pi] interval and minM <= maxM & minQ <= maxQ.

Definition at line 276 of file REveUtil.cxx.

◆ IsU1IntervalOverlappingByMeanDelta()

Bool_t REveUtil::IsU1IntervalOverlappingByMeanDelta ( Float_t  meanM,
Float_t  deltaM,
Float_t  meanQ,
Float_t  deltaQ 
)
inlinestatic

Definition at line 76 of file REveUtil.hxx.

◆ IsU1IntervalOverlappingByMinMax()

Bool_t REveUtil::IsU1IntervalOverlappingByMinMax ( Float_t  minM,
Float_t  maxM,
Float_t  minQ,
Float_t  maxQ 
)
static

Return true if interval Q is overlapping within interval M for U1 variables.

It is assumed that all values are within the [-2pi, 2pi] interval and minM <= maxM & minQ <= maxQ.

Definition at line 297 of file REveUtil.cxx.

◆ LoadMacro()

void REveUtil::LoadMacro ( const char *  mac)
static

Makes sure that macro 'mac' is loaded, but do not reload it.

Definition at line 110 of file REveUtil.cxx.

◆ Macro()

void REveUtil::Macro ( const char *  mac)
static

Execute macro 'mac'. Do not reload the macro.

Definition at line 98 of file REveUtil.cxx.

◆ SetColorBrightness()

void REveUtil::SetColorBrightness ( Float_t  value,
Bool_t  full_redraw = kFALSE 
)
static

Tweak all ROOT colors to become brighter (if value > 0) or darker (value < 0).

Reasonable values for the value argument are from -2.5 to 2.5 (error will be printed otherwise). If value is zero, the original colors are restored.

You should call REveManager::FullRedraw3D() afterwards or set the argument full_redraw to true (default is false).

Definition at line 210 of file REveUtil.cxx.

Member Data Documentation

◆ fgDefaultColors

TObjArray * REveUtil::fgDefaultColors = nullptr
staticprivate

Definition at line 39 of file REveUtil.hxx.


The documentation for this class was generated from the following files: