You can create a Cascade sparkline using the CascadeSparkline function in a formula: =CASCADESPARKLINE(pointsRange, pointIndex, labelsRange?, minimum?, maximum?, colorPositive?, colorNegative?, vertical?, itemTypeRange?).
The function has the following parameters:
pointsRange: Reference that represents the range of cells that contain values, such as "B2:B8".
pointIndex: Number or reference that represents the index of the points. The pointIndex is >= 1 such as 1 or "D2".
labelsRange: (optional) Reference that represents the range of cells that contains the labels, such as "A2:A8"; default value is no label.
minimum: (optional) Number or reference that represents the minimum values of the display area, such as -2000; the default value is the minimum of the sum (the sum of the points' value).
maximum: (optional) Number or reference that represents the maximum values of the display area, such as 6000; the default value is the maximum of the sum (the sum of the points' value).
colorPositive: (optional) String that represents the color of the first or last positive sparkline's box (this point's value is positive); default value is "#8CBF64".
colorNegative: (optional) String that represents the color of the first or last negative sparkline's box (this point's value is negative); default value is "#D6604D".
vertical: (optional) Boolean that represents whether the box's direction is vertical or horizontal; default value is false.
itemTypeRange: (optional) Array or reference that represents the all item types of data range. The value should be {"-", "+", "="} or "A1:A7" that reference the value of {"+", "-", "="}. And "+" as positive change, "-" as negative change and "=" for total columns.
colorTotal: (optional) String that represents the color of the last sparkline's box when itemTypeRange did not exist. Or represents the color of the result sparkline's box when itemTypeRange exists..
var spreadNS = GC.Spread.Sheets;
window.onload = function () {
var spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"));
spread.fromJSON(dataSource);
initSpread(spread);
};
function initSpread(spread) {
spread.options.newTabVisible = false;
spread.options.allowDynamicArray = true;
initCascadeSparklineWithType(spread.sheets[0]);
initHorizontalSparkline(spread.sheets[1]);
initVerticalSparkline(spread.sheets[2]);
}
function initCascadeSparklineWithType (sheet) {
sheet.suspendPaint();
sheet.setFormula(4, 4, '=CASCADESPARKLINE(D5:D20, SEQUENCE(COUNTA(D5:D20),1,1,1),P5:P20,,,"#8CBF64","#D6604D",false,A5:A20)');
sheet.setFormula(4, 8, '=CASCADESPARKLINE(H5:H20, SEQUENCE(COUNTA(H5:H20),1,1,1),Q5:Q20,,,"#8CBF64","#D6604D",false,A5:A20)');
sheet.setFormula(4, 15,'=TEXT(D5:D20,"#,##0,,")&" M"');
sheet.setFormula(4, 16,'=TEXT(H5:H20,"#,##0,,")&" M"');
//hide auxiliary columns
sheet.setColumnVisible(3, false);
sheet.setColumnVisible(7, false);
sheet.setColumnVisible(15, false);
sheet.setColumnVisible(16, false);
sheet.resumePaint();
}
function initHorizontalSparkline(sheet) {
sheet.suspendPaint();
//cascade sparkline located at column E
for (var i = 1; i <= 14; i++) {
sheet.setFormula(i, 4, '=CASCADESPARKLINE($C$2:$C$15,ROW()-1,$B$2:$B$15,,,"#8CBF64","#D6604D",false)');
}
sheet.resumePaint();
}
function initVerticalSparkline(sheet) {
sheet.suspendPaint();
//cascade sparkline located at 4th row
for (var c = 0; c < 5; c++) {
sheet.setColumnWidth(c, 100);
sheet.setFormula(3, c, '=CASCADESPARKLINE($A$3:$E$3,COLUMN(),$A$2:$E$2,,,"#8CBF64","#D6604D",true)');
}
sheet.resumePaint();
}
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