| Function | Description |
| CgffHeader-class | CgffHeader: A Class To Keep GFF3 Header Data |
| getAttr | Function to Extract Attributes from Character Vectors |
| gffCheckHeader | Function to Verify a Given GFF3 Header for Consistency |
| gffGeneratePNGs | Function to Generate Multiple PNG Files for GFF3 Data Subset |
| gffGetSubset | Function to Extract a bp-Subset of GFF3 Data |
| gffLoad | Function to Load and Parse GFF3 Data Files |
| gffLoadHeader | Function to Load and Parse GFF3 Header File |
| gffPlot | Function to Plot GFF3 Data Segments |