Geodesica-SFX is an OpenGL geodesic modeller that implements cross-target quad-edge lattices. The program can construct a variety of advanced spaceframes, such as the Eden Project Dome and the Union Tank Car Dome.
Download
The latest releases can be found on the Geodesica-SFX Download page.
Development Status
The latest news concerning the next release can be found here.
MPEG4 Instructional Videos
Eden Project Dome Spaceframe 23.2 MB
Union Tank Car Dome Spaceframe 10.3 MB
Method Three Breakdown 10.7MB
Documentation
New documentation in progress; the following pages refer to the development version of Geodesica-SFX and may differ slightly from the release version.
BASIC PRINCIPLES
Spherical Geometry Primer
- Geodesic Lines
- Lunes
- Spherical Triangles
- Area of a Spherical Triangle
- Equilateral Spherical Triangles
- Spherical Trigonometry
- Spherical Coordinates
Great Circle Systems
Geodesic Subdivision
Symmetria Mirabilis
INTERFACE
The following shows the main UI components; their use is discussed under ‘OPERATION’.
- Main Window
- Toolbar
- Menus
- Attributes Window
- Log Window
- Navigator Window
- Navigator Window Version 1.0
- Plan Window
- Symmetry Map Window
- Envelopes Window
- Range Adjust / Truncate Window
- Make Trifans Window
- Lights Window
- Viewports Window
- Fog Window
- Struts and Hubs Window
OPERATION
Target Mechanism
- Target Mechanism Overview Demonstrations
- Union Tank Car Dome Demonstration
- Eden Project Dome Demonstration
- Saint Louis Refrigerator Car Dome Demonstration
- Exotic Spaceframes Demonstration
Isolate Mechanism
- Isolate Mechanism Overview Quad-Edge Manifiold
-
Mesh Superimpositions
- Isolate Strut
- Isolate Panel
- Isolate Hub
Range Adjust / Truncate
Envelopes
- Setting The Envelope
- Theta Distribution Curves
Struts
- Struts Overview Face Struts
- Face Strut Tetragon Simple Mitre
- Face Strut Tetragon Spline Mitre
- Face Strut Tetragon Butt Mitre
- Face Strut Tetragon
- Edge Strut Cylinder (solid)
- Edge Strut Cylinder (hollow)
- Edge Strut Rectangle (solid)
- Edge Strut Rectangle (hollow)
- Edge Strut Square (solid)
- Edge Strut Square (hollow)
- Edge Strut Diamond Square (solid)
- Edge Strut Diamond Square (hollow)
- Edge Strut Ellipse (solid)
- Edge Strut Triangle (solid)
- Edge Strut Polygon (solid)
Hubs
- Hubs Overview Hub Generation
Strut and Hub Intersections
- Strut Dimension Options
- Strut and Hub Intersections Part 1 ORG and DEST Hub INTR
- Strut and Hub Intersections Part 2 Intersection Rules
- Strut and Hub Intersections Part 3 Star & Ring flange Hubs
- Strut and Hub Intersections Part 4 Handling Errors
- Omitting Struts on the Truncation Plane
- Compound Mitres
Modelling Operations
- Kill Vertex
- Collapse Edge
- Kill Face Edge
- Make Face Edge
- Divide Edge
- Truncate Vertex
- Split & Bevel
- Stellate
- Extrude
- Cupola
- Make Trifans
- Smooth
Preferences
Quad-Edge Data Structure
Export
- DXF
- OBJ