question: public void reset ( ) { data . clear ( ) ; mRegions . clear ( ) ; mToUpdateValues . clear ( ) ; verController . minLabelValue = 0 ; verController . maxLabelValue = 0 ; if ( horController . mandatoryBorderSpacing != 0 ) horController . mandatoryBorderSpacing = 1 ; style . thresholdPaint = null ; style . gridPaint = null ; style . hasHorizontalGrid = false ; style . hasVerticalGrid = false ; }
target:  Method not expected to be used often. More for testing. Resets chart state to insert new configuration.