Improvements to Categorical Data

JIRA	Summary	Details
ORG-14136	Subgroup control in Unbalanced Grouped Column Plot Show major gridlines in unbalanced group column plot Set Gaps between subsets by Column instead of fixed size
ORG-14212	New system variable added to define filtering with categorical data	Before filtering, please notice that GMC and Kia's color is Green and Cyan. With new system variable @GMHC, users are able to control whether keep original legend color or not. @GMHC = 0, means filtered data legend remains the same color as before filter, while @GMHC =1 means not.
ORG-14856	Support Trellis Plot Arrange data in multiple panels in same layer See Trellis Plot graph samples in Origin Central dialog. See Origin 2017 Trellis Plot page for more info.	Add Panel tab to control subset in multiple levels and different directions in Plot Details dialog of grouped plot.
ORG-15292	Categorical legend improvement related to connect line	For Box plot, if the connect line color of data points indexing by a column, Legend:Categorical values dialog should show Line Color checkbox, select it will show the categorical info of connect line.
ORG-7662	Support general grouped data plotting	Implement the multiple panel grouped plot in one layer with X-Function plot_group.OXF.
ORG-14199	Option to set group columns as categorical when stacking columns	Set group columns as categorical after Stack Columns.