According to the functions that you need for your Java Gantt charts, you can purchase three cascading modules of VARCHART JGantt.

Basic (Viewing only)

The module Basic provides all required functions for viewing of the Java Gantt chart, including:

• all graphical layout functions for Gantt charts like multi-level grouping and multiple tasks per row in overlapped or optimized mode
• data dependent assignment of graphical attributes via filters or so-called maps
• multiple calendars and calendar grids
• multiple sections of different scale as well as collapsing non-work periods in timescale
• printing with comfortable paging and page preview

Data Editing

The module Data Editing provides all functions of editing the application data of your Java Gantt chart, including:

• moving bars horizontally and vertically or changing durations (does not apply to JSF)
• create, delete or modify any application data like tasks or activities, group titles or links
• in-place editing in table cells and changing data in a data editing dialog (does not apply to JSF)
• Drag & drop - Drag from one JGantt instance to another one or from a different application to an JGantt application and vice versa  (does not apply to JSF)
• PERT/CPM scheduling for early and late dates as well as total and free floats
  
  

Histogram

The module Histogram provides all functions of histograms in your Java Gantt chart, including:

• calculation of resource workloads from application data and displaying them, interactive changes like moving a bar in the Gantt chart are reflected in the histogram accordingly
• displaying and editing of resource availability showing overloads and shortfalls
• numerous graphical layout features for numeric scale, shading, line styles etc.