(private) new THistPainter(dom, histo)
Basic painter for histogram classes
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Parameters:
| Name | Type | Description |
|---|---|---|
dom |
object | string | DOM element for drawing or element id |
histo |
object | TH1 derived histogram object |
Methods
(private) accessMM()
Access or modify histogram min/max
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addFunction()
Add function to histogram list of functions
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(async) addInteractivity() → {Promise}
Add different interactive handlers
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only first (main) painter in list allowed to add interactive functionality Most of interactivity now handled by frame
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Returns:
for ready
- Type
- Promise
(abstract) autoZoom()
Auto zoom into histogram non-empty range
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changeUserRange()
Invoke dialog to enter and modify user range
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changeValuesRange()
Start dialog to modify range of axis where histogram values are displayed
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checkPadRange()
Check pad ranges when drawing of frame axes will be performed
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Only if histogram is main painter and drawn with SAME option, pad range can be used In all other cases configured range must be derived from histogram itself
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cleanup()
Cleanup histogram painter
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clear3DScene()
Clear 3d drawings - if any
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clickButton()
Process click on histogram-defined buttons
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copyOptionsFrom()
Copy draw options from other painter
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copyOptionsToOthers()
copy draw options to all other histograms in the pad
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createContour()
Create contour object for histogram
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createHistDrawAttributes()
Create necessary histogram draw attributes
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createStat()
Create stat box for histogram if required
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decodeOptions()
Decode options string opt and fill the option structure
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(async) drawAxes()
Draw axes for histogram
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axes can be drawn only for main histogram
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(async) drawColorPalette() → {Promise}
draw color palette
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Returns:
when done
- Type
- Promise
(async) drawFunctions() → {Promise}
Method draws functions from the histogram list of functions
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Returns:
fulfilled when drawing is ready
- Type
- Promise
(async) drawHistTitle() → {Promise}
Draw histogram title
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Returns:
with painter
- Type
- Promise
executeMenuCommand()
Execute histogram menu command
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Used to catch standard menu items and provide local implementation
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extractAxesProperties()
Extract axes bins and ranges
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here functions are defined to convert index to axis value and back was introduced to support non-equidistant bins
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fillContextMenuItems()
Fill histogram context menu
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fillPaletteMenu()
Fill menu entries for palette
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fillToolbar()
Fill pad toolbar with histogram-related functions
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fillWebObjectOptions()
Fill option object used in TWebCanvas
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findFunction()
Find function in histogram list of functions
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findStat()
Find stats box in list of functions
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get3DToolTip()
Returns tooltip information for 3D drawings
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getAxis()
Returns histogram axis
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getAxisBinTip()
Get tip text for axis bin
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(private) getBinErrors()
Internal method to extract up/down errors for the bin
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getContour()
Return contour object
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getContourLevels()
Return levels from contour object
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getDimension()
Returns number of histogram dimensions
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getHistGrFuncs()
Get graphics conversion functions for this histogram
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getHistPalette()
Returns color palette associated with histogram
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Create if required, checks pad and canvas for custom palette
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getHisto()
Returns histogram object
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getSelectIndex()
Returns selected index for specified axis
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be aware - here indexes starts from 0
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(private) getSnapId()
Returns snap id for object or sub-element
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isIgnoreStatsFill()
Returns true if stats box fill can be ignored
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isTF1()
Returns true if histogram drawn instead of TF1/TF2 object
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isTH1K()
Returns true if TH1K
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isTH2Poly()
Returns true if TH2Poly
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isTProfile()
Returns true if TProfile
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needDrawFunc()
Check if such function should be drawn directly
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prepareDraw()
Prepare handle for color draw
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processOnlineChange()
Inform web canvas that something changed in the histogram
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processTitleChange()
Live change and update of title drawing
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Used from the GED
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(abstract) scanContent()
Scan histogram content
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toggleColz()
Toggle color z palette drawing
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toggleMode3D()
Toggle 3D drawing mode
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(private) toggleStat()
Toggle stat box drawing
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toggleTitle()
Toggle histogram title drawing
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unzoomUserRange()
Unzoom user range if any
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(private) updateAxes()
Update axes attributes in target histogram
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(async) updateFunctions() → {Promise}
Method used to update functions which are prepared before
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Returns:
fulfilled when drawing is ready
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- Promise
(async) updateHistTitle() → {Promise}
Only redraw histogram title
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Returns:
with painter
- Type
- Promise
updateObject(obj, opt) → {Boolean}
Update histogram object
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Parameters:
| Name | Type | Description |
|---|---|---|
obj |
new histogram instance |
|
opt |
new drawing option (optional) |
Returns:
- true if histogram was successfully updated
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- Boolean
updateStatWebCanvas()
Update statistics when web canvas is drawn
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(async, private, static) _drawHist()
generic draw function for histograms
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