FreeCAD / src /Mod /CAM /Roadmap /Functionality /Output Generation.md
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🟩 Core Essentials

Features present or expected in a basic CAM package and necessary to perform the required tasks

Feature Description Assessment
G-code Generation Translate internal tool path to machine-specific G-code dialect DONE
Output Customization Line numbers, comments, units (G20/G21) DONE
Output review & edit After the gcode is generated, the user should have the option to review it and edit before saving. They should have the option of editing in an external editor of their choice Output review is done. Only uses internal editor which is poor

🟨 Professional Grade

Features usually present or expected in the state-of-the-art applications

Feature Description Assessment
Preflight Checks Catch and flag obvious problems before generating output Sanity check can catch some errors. Requires running the check manually.
Post-Processor Customization Control modal vs explicit axes, tool change blocks, headers/footers Customization with flags in the Job output tab. Posts are inconsistent.
Advanced Customization Allow customization of output beyond the trivial. Allow customizing the post with an editing/customization tool Requires editing the python file.
Requires copying the post file to a specific location. Clunky and unintuitive
Subprogram Support Generate G-code with subprograms and subroutines NONE
Setup Page Generation Instructions, checklists, warnings, and errors for the operator DONE
G-code Decomposition Break arcs/canned cycles into linear segments or explicit moves NONE
Coordinate Conversion Convert absolute to relative (G91), center arcs to relative (G91.1) NONE
Coolant Control Coolant control should be started at the most desirable point to avoid wasting coolant during a tool change or before it is actually needed. Current coolant control turns on when the TC is loaded. Inefficient
Advanced g-code generation It should be possible to write postprocessors to generate any valid gcode Some gcode features are not possible

🟦 Next-Level CAM

Features that would exceed industry standard

Feature Description Assessment
On-Machine Inspection Generate code or triggers for probing/inspection routines None
Multi-File Output Support splitting G-code into multiple files LImited
Tool Wear Compensation Output tool wear adjustments via offsets or tables None
Feedback Loop Integration Closed-loop post processing using machine state None
Direct-to-Machine Fabrication Reimagine CAM β†’ G-code β†’ Machine as a seamless pipeline None