size method
- String field
Mark size: the area of a point, the width of a trail.
Names a COLUMN, never a constant. .color("red") means a column
called red; painting a mark red is markColor.
field The column name.
Returns This mark, so channels chain.
See also markSize.
Implementation
VlChartMark size(String field) {
return this.channel("size", field);
}