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{|-
 
{|-
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|align="center" width="15%"|[http://brlcad.org/w/index.php?title=Google_Summer_of_Code/Project_Ideas#BRL-CAD_Projects http://brlcad.org/images/logo/BRL-CAD_gear_logo_w_name_256.png]
 
  |align="center" width="15%"|[http://brlcad.org/w/index.php?title=Google_Summer_of_Code/Project_Ideas#OpenSCAD_Projects http://www.openscad.org/assets/img/logo.png]
 
  |align="center" width="15%"|[http://brlcad.org/w/index.php?title=Google_Summer_of_Code/Project_Ideas#OpenSCAD_Projects http://www.openscad.org/assets/img/logo.png]
  |align="center" width="15%"|[http://brlcad.org/w/index.php?title=Google_Summer_of_Code/Project_Ideas#Slic3r_Projects https://raw.githubusercontent.com/alexrj/Slic3r/master/var/Slic3r_128px.png]
+
  |align="center" width="15%"|[http://brlcad.org/w/index.php?title=Google_Summer_of_Code/Project_Ideas#LibreCAD_Projects http://librecad.org/files/live/sites/lc/files/WebImages/LogoLibrecad_logo.png]
|align="center" width="15%"|[http://brlcad.org/w/index.php?title=Google_Summer_of_Code/Project_Ideas#LibreCAD_Projects https://librecad.org/img/logo.png]
 
 
  |-
 
  |-
 +
|align="center"|'''BRL-CAD''': 3D solid modeling, geometry processing, and robust high-performance ray tracing.  Help us make a better CAD system. 
 
  |align="center"|'''OpenSCAD''': rich syntax, programmable geometry.  Lots of possibilities to make it interoperate with BRL-CAD and LibreCAD.
 
  |align="center"|'''OpenSCAD''': rich syntax, programmable geometry.  Lots of possibilities to make it interoperate with BRL-CAD and LibreCAD.
|align="center"|'''Slic3r''': toolpath/G-code generator for 3D printers.
 
 
  |align="center"|'''LibreCAD''': specializes in 2D CAD modeling, drafting, drawings.  Help build a bridge to BRL-CAD or add STEP support.
 
  |align="center"|'''LibreCAD''': specializes in 2D CAD modeling, drafting, drawings.  Help build a bridge to BRL-CAD or add STEP support.
 
  |-
 
  |-
  |align="center" width="15%"|[http://brlcad.org/w/index.php?title=Google_Summer_of_Code/Project_Ideas#BRL-CAD_Projects http://brlcad.org/images/logo/cutout_sticker_256.png]
+
  |align="center" width="15%"|[http://brlcad.org/w/index.php?title=Google_Summer_of_Code/Project_Ideas#STEPcode_Projects http://stepcode.org/STEPcode_logo_gears_light.png]
 +
|align="center" width="15%"|[http://brlcad.org/w/index.php?title=Google_Summer_of_Code/Project_Ideas#LinuxCNC_Projects http://wiki.linuxcnc.org/chips.gif]
 
|align="center" width="15%"|[http://brlcad.org/w/index.php?title=Google_Summer_of_Code/Project_Ideas#FreeCAD_Projects http://www.freecadweb.org/images/logo.png]
 
|align="center" width="15%"|[http://brlcad.org/w/index.php?title=Google_Summer_of_Code/Project_Ideas#FreeCAD_Projects http://www.freecadweb.org/images/logo.png]
 
  |-
 
  |-
  |align="center"|'''BRL-CAD''': 3D solid modeling, geometry processing, and robust high-performance ray tracing.  Help us make a better CAD system.
+
  |align="center"|'''STEPcode''': file format on steroids, STEP is a complex standard for geometry used by nearly every pro CAD system.
 +
|align="center"|'''LinuxCNC''': software for computer control of machine tools such as milling machines and lathes, 3d printers, robot arms, and more.
 
  |align="center"|'''FreeCAD''': parametric 3D modelling with strong Python interface and general engineering functionality like FEM and CAM  
 
  |align="center"|'''FreeCAD''': parametric 3D modelling with strong Python interface and general engineering functionality like FEM and CAM  
 
  |}
 
  |}
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= BRL-CAD Projects =
 
= BRL-CAD Projects =
 
== High Priority Topics ==
 
== High Priority Topics ==
This year, we are most interested in topics that will immediately benefit BRL-CAD users.  Please align your proposal with one of the following three focus areas.  Talk with us at http://brlcad.zulipchat.com
 
  
 
{| bgcolor=#fff width=100%
 
{| bgcolor=#fff width=100%
 +
!
 +
!align=center|Languages
 +
!align=center|Difficulty
 +
!align=center|Contacts
 
|-
 
|-
|align=center width=20% bgcolor=#e22|'''Performance'''
+
|align=left width=62%|'''[[Convert MGED from Tk to Qt]]:''' Transition BRL-CAD's graphical applications from the Tk toolkit to the Qt toolkit. 
|bgcolor=#aaa|Faster geometry.  In order, ideas like'''[[Coherent Raytracing]]''', anything involving OpenCL, parallelizing serial code, and eliminating LIBBU pointer aliasing.
+
|align=center|C/C++/Tcl/Qt
 +
|align=center|HARD
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Rossberg, Yapp]]
 
|-
 
|-
|align=center width=20% bgcolor=#2e2|'''User Interface'''
+
|width=62%|'''[[Annotations]]:''' Implement support for 2D annotations, labels that can be added to geometry.
|bgcolor=#ccc|Build on Google Code-In progress (OpenSCAD-style GUI), [[Convert MGED from Tk to Qt]], revamp our [[Overlap tool]] GUI, etc.  Qt and ray tracing are fair game.
+
|align=center|C/C++
|-
+
|align=center|MEDIUM
|align=center width=20% bgcolor=#22e|'''Core Infrastructure'''
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison, Yapp]]
|bgcolor=#aaa|Integrate appleseed rendering, extend and deploy Online Geometry Viewer (OGV), expand our geometry conversion (GCV) library.
 
 
|}
 
|}
  
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!align=center|Difficulty
 
!align=center|Difficulty
 
!align=center|Contacts
 
!align=center|Contacts
 +
|-
 +
|width=62%|'''[[Benchmark Performance Database]]:'''  BRL-CAD's Benchmark has been used for two decades to compare performance  across configurations.  Build a database website.
 +
|Depends (likely PHP or Python)
 +
|align=center|EASY
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 
|-
 
|-
 
|width=62%|'''[[Synchronize Wiki with Docbook]]:'''  We use Docbook for most of our user documentation but find editing a wiki page much easier to use.  Set up a system so the two are always in sync.
 
|width=62%|'''[[Synchronize Wiki with Docbook]]:'''  We use Docbook for most of our user documentation but find editing a wiki page much easier to use.  Set up a system so the two are always in sync.
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|align=center|MEDIUM
 
|align=center|MEDIUM
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Yapp]]
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Yapp]]
 +
|-
 +
|width=62%|'''[[Online Geometry Viewer Interface]]:'''  Continuation of existing work, improve our interface for viewing geometry online.  Focus on the front-end usability.
 +
|Depends (likely PHP or Python)
 +
|align=center|MEDIUM
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 
|-
 
|-
 
|width=62%|'''[[Online Geometry Viewer Back-end]]:'''  Continuation of existing work, improve our interface for viewing geometry online.  Focus on the back-end infrastructure.
 
|width=62%|'''[[Online Geometry Viewer Back-end]]:'''  Continuation of existing work, improve our interface for viewing geometry online.  Focus on the back-end infrastructure.
|C++, Javascript, Meteor.js, Three.js
+
|Depends (likely PHP or Python)
|align=center|Medium
+
|align=center|HARD
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]],[[Google_Summer_of_Code/Project_Ideas#Mentors|Pooh]], [[Google_Summer_of_Code/Project_Ideas#Mentors|Panda]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 
|-
 
|-
 
|width=62%|'''[[Mediawiki 3D Geometry Extension]]:'''  Write an extension for Mediawiki that will visualize our .g files.  Maybe leverage LLVM C->Javascript translation.  
 
|width=62%|'''[[Mediawiki 3D Geometry Extension]]:'''  Write an extension for Mediawiki that will visualize our .g files.  Maybe leverage LLVM C->Javascript translation.  
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|align=center|HARD
 
|align=center|HARD
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 +
|-
 +
|width=62%|'''[[Materials Database]]:'''  Create a Materials Database web site for collecting, managing, and providing programmatic interfaces to material properties.
 +
|Depends (likely PHP or Python)
 +
|align=center|MEDIUM
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison, Yapp]]
 
|}
 
|}
  
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!align=center|Contacts
 
!align=center|Contacts
 
|-
 
|-
|align=left width=62%|'''[[Plate Mode NURBS raytracing]]:'''  Imported NURBS geometry often does NOT enclose space (i.e., not solid), so add support for specifying an implicit thickness.
+
|align=left width=62%|'''[[NURBS Editing Support]]:'''  BRL-CAD doesn't currently have support for editing NURBS primitives. Fix that.
|align=center|C/C++
+
|align=center|C/Tcl
|align=center|HARD
+
|align=center|MEDIUM
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Yapp]]
 
|-
 
|-
 
|width=62%|'''[[Overlap tool]]:''' Resolving geometric interferences (aka overlaps) is a common geometry editing activity.  Design an awesome GUI for resolving conflicts.
 
|width=62%|'''[[Overlap tool]]:''' Resolving geometric interferences (aka overlaps) is a common geometry editing activity.  Design an awesome GUI for resolving conflicts.
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|align=center|EASY
 
|align=center|EASY
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Yapp, Morrison, Greenwald]]
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Yapp, Morrison, Greenwald]]
|-
 
|align=left width=62%|'''[[NURBS Editing Support]]:'''  BRL-CAD doesn't currently have good support for editing NURBS primitives.  Fix that.
 
|align=center|C/Tcl
 
|align=center|MEDIUM
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Yapp]]
 
 
|-
 
|-
 
|align=left width=62%|'''[[Vector Drawings from NURBS]]:'''  Huge impact here if you can update one or more of our raytracers to provide vector output instead of raster.  Perhaps render directly to PDF or SVG.
 
|align=left width=62%|'''[[Vector Drawings from NURBS]]:'''  Huge impact here if you can update one or more of our raytracers to provide vector output instead of raster.  Perhaps render directly to PDF or SVG.
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|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison, Rossberg]]
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison, Rossberg]]
 
|-
 
|-
|width=62%|'''[[Geometry Conversion Library]]:'''  Probably our biggest open source asset is our extensive collection of importers and exportersTurn them all into a universal conversion library.  
+
|width=62%|'''[[Visualizing Constructive Solid Geometry (CSG)]]:'''  CSG forms a directed acyclic graphTree view widgets show a simple hierarchical representation, but we need something better.
 
|align=center|C/C++
 
|align=center|C/C++
 
|align=center|EASY
 
|align=center|EASY
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Greenwald, Morrison, Rossberg]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 
|-
 
|-
|width=62%|'''[[STEP importer improvements]]:'''  We have an importer, but it's preliminary.  Add support for importing hierarchy information, polygonal geometry, and implicit geometry.
+
|align=left width=62%|'''[[Plate Mode NURBS raytracing]]:'''  Imported NURBS geometry often does NOT enclose space (i.e., not solid), so add support for specifying an implicit thickness.
 
|align=center|C/C++
 
|align=center|C/C++
|align=center|MEDIUM
+
|align=center|HARD
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Yapp]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 
|-
 
|-
 
|width=62%|'''[[STEP exporter]]:'''  We have an importer, we need a comprehensive exporter with support for implicit CSG, NURBS, or polygonal mesh geometry.
 
|width=62%|'''[[STEP exporter]]:'''  We have an importer, we need a comprehensive exporter with support for implicit CSG, NURBS, or polygonal mesh geometry.
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|align=center|EASY
 
|align=center|EASY
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Yapp, Morrison]]
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Yapp, Morrison]]
 +
|-
 +
|width=62%|'''[[STEP importer improvements]]:'''  We have an importer, but it's preliminary.  Add support for importing hierarchy information, polygonal geometry, and implicit geometry.
 +
|align=center|C/C++
 +
|align=center|MEDIUM
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Yapp]]
 +
|-
 +
|width=62%|'''[[STEP AP 242 Parser]]:'''  We already parse a subset of AP203, but the new kid on the block is AP242.  Make AP242 work with BRL-CAD's step-g importer.
 +
|align=center|C++
 +
|align=center|HARD
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Mark, Charlie, Yapp, Kamga]]
 
|-
 
|-
 
|width=62%|'''[[Convert BoT to Pipe]]:'''  Command line interface to convert facetted fluid/electrical line geometry into BRL-CAD native pipe solids.
 
|width=62%|'''[[Convert BoT to Pipe]]:'''  Command line interface to convert facetted fluid/electrical line geometry into BRL-CAD native pipe solids.
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|align=center|MEDIUM
 
|align=center|MEDIUM
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 +
|-
 +
|width=62%|'''[[IGES import improvements]]:'''  We have extensive support for the International Geometry Exchange Standard (IGES) with our g-iges and iges-g converters, but they need updating.
 +
|align=center|C
 +
|align=center|MEDIUM
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 +
|-
 +
|width=62%|'''[[Geometry Conversion Library]]:'''  Probably our biggest open source asset is our extensive collection of importers and exporters.  Turn them all into a universal conversion library.
 +
|align=center|C/C++
 +
|align=center|EASY
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Greenwald, Morrison, Rossberg]]
 +
|-
 +
|width=62%|'''[[COLLADA Importer]]:'''  Create an importer for the COLLADA file format.
 +
|align=center|C/C++
 +
|align=center|MEDIUM
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 +
|-
 +
|width=62%|'''[[X3D Importer]]:'''  Create an importer for the X3D file format.
 +
|align=center|C/C++
 +
|align=center|MEDIUM
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison, Kamga]]
 
|-
 
|-
 
|width=62%|'''[[OpenSCAD Importer]]:'''  Create an importer for OpenSCAD's format.
 
|width=62%|'''[[OpenSCAD Importer]]:'''  Create an importer for OpenSCAD's format.
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|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 
|-
 
|-
|width=62%|'''[[Python Geometry]]:'''  Wrap BRL-CAD's primitives in Python (or Lua), make it easier to script geometry creation.  
+
|width=62%|'''[[Python Geometry]]:'''  Wrap BRL-CAD's primitives in Python, make it easier to script geometry creation.  
|align=center|Python/Lua
+
|align=center|Python
 
|align=center|Easy
 
|align=center|Easy
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 +
|-
 +
|width=62%|'''[[Perl Geometry]]:'''  Wrap BRL-CAD's primitives in Perl, make it easier to script geometry creation.
 +
|align=center|Perl
 +
|align=center|Easy
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Browder]]
 
|}
 
|}
  
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!align=center|Contacts
 
!align=center|Contacts
 
|-
 
|-
|align=left width=62%|'''[[Coherent Raytracing]]:''' Our current raytrace pipeline dispatches and processes one ray at a time.  Send bundles and convert the pipeline into phases.  
+
|align=left width=62%|'''[[OpenCL GPGPU Raytracing]]:''' We have about two dozen primitives that need to have a ray-object intersection function converted from C to OpenCL.
 
|align=center|C/C++
 
|align=center|C/C++
 
|align=center|MEDIUM
 
|align=center|MEDIUM
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison, Rossberg]]
 
|-
 
|align=left width=62%|'''[[OpenCL GPGPU Raytracing]]:''' We have about a dozen simple primitives that need to have a ray-object intersection function converted from C to OpenCL.
 
|align=center|C/OpenCL
 
|align=center|EASY
 
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 
|-
 
|-
|align=left width=62%|'''[[OpenCL GPGPU Complex Raytracing]]:''' We have about half a dozen complex primitives that need to have a ray-object intersection function converted from C to OpenCL.
+
|align=left width=62%|'''[[Coherent Raytracing]]:''' Our current raytrace pipeline dispatches and processes one ray at a time.  Send bundles and convert the pipeline into phases.  
|align=center|C/OpenCL
+
|align=center|C/C++
 
|align=center|MEDIUM
 
|align=center|MEDIUM
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison, Rossberg]]
|-
 
|align=left width=62%|'''[[OpenCL GPGPU Spatial Partitioning Raytracing]]:''' We use a Bounding Volume Hierarchy (BVH) to reduce the amount of intersections we need to compute to render an image. We need to replace this with a Kd-tree in order to be able to early terminate a render in models with high depth complexity. This should speed up render speed significantly for those models (e.g. Goliath).
 
|align=center|C/OpenCL
 
|align=center|HARD
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 
|-
 
|align=left width=62%|'''[[OpenCL GPGPU Brep Raytracing]]:''' We need to support Brep NURBS raytracing over the GPU. There is example CPU only code. Execution on the GPU should significantly enhance rendering performance of these primitives.
 
|align=center|C/OpenCL
 
|align=center|HARD
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 
 
|-
 
|-
 
|align=left width=62%|'''[[NURBS Booleans]]:'''  We have NURBS surface-surface intersections working.  Now we're using them to create evaluated forms of our CSG geometry.  Make it more robust and faster.
 
|align=left width=62%|'''[[NURBS Booleans]]:'''  We have NURBS surface-surface intersections working.  Now we're using them to create evaluated forms of our CSG geometry.  Make it more robust and faster.
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|align=center|MEDIUM
 
|align=center|MEDIUM
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Yapp, Morrison]]
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Yapp, Morrison]]
 +
|-
 +
|width=62%|'''[[Fix Bugs]]:'''  We take pride in our breadth of functionality and time-tested stability.  We still have bugs.  Identify some and fix them!
 +
|align=center|C
 +
|align=center|EASY
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Browder]]
 +
|-
 +
|width=62%|'''[[NMG Raytracing Performance Improvement]]:'''  BRL-CAD's structured mesh geometry (N-Manifold Geometry = NMG) needs some time in a profiler.  Malloc during raytracing is bad.
 +
|align=center|C
 +
|align=center|HARD
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison, Greenwald]]
 +
|-
 +
|width=62%|'''[[Mesh library cleanup]]:'''  BRL-CAD has an extensive n-manifold polygonal mesh library that needs some refactoring, testing, and optimization rework.
 +
|align=center|C
 +
|align=center|MEDIUM
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison, Rossberg]]
 
|-
 
|-
 
|width=62%|'''[[Space Partitioning for Tessellation]]:'''  Technically an optimization task, make our geometry converters run an order of magnitude faster by using spatial partitioning during tessellation.
 
|width=62%|'''[[Space Partitioning for Tessellation]]:'''  Technically an optimization task, make our geometry converters run an order of magnitude faster by using spatial partitioning during tessellation.
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|align=center|HARD
 
|align=center|HARD
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Greenwald, Yapp, Morrison]]
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Greenwald, Yapp, Morrison]]
 +
|-
 +
|width=62%|'''[[Code Reduction]]:'''  BRL-CAD is more than 1M lines of code.  Approximately 10% of that is duplication.  Help reduce that percentage.
 +
|align=center|C
 +
|align=center|EASY
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Greenwald, Morrison]]
 +
|-
 +
|width=62%|'''[[Header Restructuring]]:'''  BRL-CAD has about two dozen libraries with a single header declaring the entire public API.  Break up those monster headers into modular sub-headers.
 +
|align=center|C
 +
|align=center|EASY
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Greenwald, Morrison]]
 
|-
 
|-
 
|width=62%|'''[[Faster Overlap Detection]]:'''  BRL-CAD has a 'gqa' tool that detects overlaps.  Implement a replacement using a better approach.
 
|width=62%|'''[[Faster Overlap Detection]]:'''  BRL-CAD has a 'gqa' tool that detects overlaps.  Implement a replacement using a better approach.
Line 205: Line 266:
 
|align=center|EASY
 
|align=center|EASY
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison, Yapp]]
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison, Yapp]]
 +
|-
 +
|width=62%|'''[[Advanced Sketch Primitive Editor]]:'''  BRL-CAD has a 2D sketch primitive, but our handling of editing sketches doesn't incorporate parametric constraints.  There are potentially applicable codes in the open source community we can leverage for this, or we can roll our own solution.
 +
|align=center|C/C++
 +
|align=center|MEDIUM
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Yapp]]
 +
|-
 +
|width=62%|'''[[Geometric Constraint Solver]]:'''  Our LIBPC parametric constraint library is the work-in-progress foundation of being able to validate and describe geometry relationships.
 +
|align=center|C/C++
 +
|align=center|HARD
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 +
|-
 +
|width=62%|'''[[MGED to Archer Command Migration]]:'''  Our next-generation editor (Archer) needs to have the same (700+) commands that are in MGED.  Help make our next CAD interface awesome.
 +
|align=center|C and Tcl
 +
|align=center|EASY
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Yapp, Kamga]]
 
|-
 
|-
 
|width=62%|'''[[General Tree Walker]]:'''  We have a half dozen or more functions that will traverse a geometry hierarchy in different ways.  There only needs to be one.
 
|width=62%|'''[[General Tree Walker]]:'''  We have a half dozen or more functions that will traverse a geometry hierarchy in different ways.  There only needs to be one.
Line 210: Line 286:
 
|align=center|EASY
 
|align=center|EASY
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Greenwald, Yapp, Morrison]]
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Greenwald, Yapp, Morrison]]
 +
|-
 +
|width=62%|'''[[Rework of libbu/libbn to not require Tcl]]:'''  Tcl's '''''C API''''' is used throughout BRL-CAD providing great abstractions, but we want our basic utility and numeric libraries (LIBBU & LIBBN) to stand alone.
 +
|align=center|C
 +
|align=center|EASY
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison, Yapp, Greenwald]]
 +
|-
 +
|width=62%|'''[[Consolidate image processing]]:'''  We have 100+ image processing tools that independently read and write file data.  Needs much reuse love.
 +
|align=center|C
 +
|align=center|EASY
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Greenwald, Daga]]
 
|-
 
|-
 
|width=62%|'''[[GED Transactions]]:''' Migrating functionality from our MGED geometry editor into our LIBGED library provided excellent code reuse, but now we need transactions so that actions can be undone.
 
|width=62%|'''[[GED Transactions]]:''' Migrating functionality from our MGED geometry editor into our LIBGED library provided excellent code reuse, but now we need transactions so that actions can be undone.
Line 220: Line 306:
 
|align=center|EASY
 
|align=center|EASY
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Yapp, Daga]]
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Yapp, Daga]]
 +
|-
 +
|width=62%|'''[[Geometry Selection Functionality]]:'''  Implement a new selection command that lets you temporarily group objects based on spatial, attribute, or geometric properties.
 +
|align=center|C
 +
|align=center|EASY
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 
|-
 
|-
 
|width=62%|'''[[Astronomical units]]:'''  We already go "big", but accurately modeling at a galactic scale redefines that notion...
 
|width=62%|'''[[Astronomical units]]:'''  We already go "big", but accurately modeling at a galactic scale redefines that notion...
Line 240: Line 331:
 
|align=center|EASY
 
|align=center|EASY
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Browder]]
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Browder]]
 +
|-
 +
|width=62%|'''[[Python Bindings]]:'''  With or without SWIG, wrap BRL-CAD's command library API so you can issue our creation and editing commands from Python.
 +
|align=center|Python
 +
|align=center|EASY
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 +
|-
 +
|width=62%|'''[[Perl Bindings]]:'''  With SWIG, wrap BRL-CAD's ray-tracing library API so you can issue calls to librt ray-tracing functions from Perl.
 +
|align=center|Perl
 +
|align=center|EASY
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Browder, Daga]]
 
|}
 
|}
  
Line 250: Line 351:
 
!align=center|Contacts
 
!align=center|Contacts
 
|-
 
|-
|width=62%|'''[[Appleseed renderer integration]]:'''  Appleseed is rendering infrastructure used by the film industry to make pretty pictures.  Make it shoot rays at our native geometry with our ray trace library.
+
|width=62%|'''[[Shader Enhancements]]:'''  We have a functioning custom shader system in BRL-CAD, but there are now folks that specialize and there's lot of room for improvements.
 
|align=center|C
 
|align=center|C
|align=center|MEDIUM
+
|align=center|EASY
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison, Greenwald]]
 
|-
 
|-
 
|width=62%|'''[[Material and Shader Objects]]:'''  This one is a biggie but easy.  Implement new object entities for describing shaders and material properties, use them during ray tracing.
 
|width=62%|'''[[Material and Shader Objects]]:'''  This one is a biggie but easy.  Implement new object entities for describing shaders and material properties, use them during ray tracing.
Line 259: Line 360:
 
|align=center|EASY
 
|align=center|EASY
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 +
|-
 +
|width=62%|'''[[GUI Integration of Analysis Tools]]:'''  There are a ''lot'' of visualization tools in BRL-CAD, but most aren't integrated with the GUI.  Visualizing directly within the GUI would improve usability.
 +
|align=center|C
 +
|align=center|MEDIUM
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Rossberg]]
 
|-
 
|-
 
|width=62%|'''[[Generalized abstracted spacial partitioning capability]]:''' Need more be said?  If you're familiar with BSPs, KD trees, and grid structures, then this one is for you.
 
|width=62%|'''[[Generalized abstracted spacial partitioning capability]]:''' Need more be said?  If you're familiar with BSPs, KD trees, and grid structures, then this one is for you.
Line 279: Line 385:
 
|align=center|MEDIUM
 
|align=center|MEDIUM
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Greenwald]]
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Greenwald]]
 +
|-
 +
|width=62%|'''[[Non-vacuum gravity simulator]]:'''  Simulate falling to earth.
 +
|align=center|C/C++
 +
|align=center|MEDIUM
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Greenwald, Morrison, Yapp]]
 +
|-
 +
|width=62%|'''[[Polarization]]:'''  We already do multispectral ray tracing, but don't simulate polarization effects.  Implement ray splitting and filtering.
 +
|align=center|C
 +
|align=center|HARD
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison, Rossberg]]
 
|-
 
|-
 
|width=62%|'''[[Density functions]]:'''  Accurately represent everything from atmosphere to bone.  Implement support for parametric density functions for homogenous materials.
 
|width=62%|'''[[Density functions]]:'''  Accurately represent everything from atmosphere to bone.  Implement support for parametric density functions for homogenous materials.
Line 286: Line 402:
 
|-
 
|-
 
|width=62%|'''[[Bending light]]:'''  Think gravity wells and satellite cameras.
 
|width=62%|'''[[Bending light]]:'''  Think gravity wells and satellite cameras.
 +
|align=center|C
 +
|align=center|MEDIUM
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Morrison]]
 +
|-
 +
|width=62%|'''[[Appleseed renderer integration]]:'''  Appleseed is rendering infrastructure used by the film industry to make pretty pictures.  Make it shoot rays at our native geometry with our ray trace library.
 
|align=center|C
 
|align=center|C
 
|align=center|MEDIUM
 
|align=center|MEDIUM
Line 312: Line 433:
 
|align=center|C++
 
|align=center|C++
 
|align=center|MEDIUM
 
|align=center|MEDIUM
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Marius/Torsten]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Marius]]
 
|-
 
|-
 
|align=left width=62%|'''[https://github.com/openscad/openscad/wiki/Ideas-for-Development-Tasks#openscad-standard-library OpenSCAD Standard Library]:''' Create a standard user-space OpenSCAD library.
 
|align=left width=62%|'''[https://github.com/openscad/openscad/wiki/Ideas-for-Development-Tasks#openscad-standard-library OpenSCAD Standard Library]:''' Create a standard user-space OpenSCAD library.
 
|align=center|OpenSCAD
 
|align=center|OpenSCAD
 
|align=center|MEDIUM
 
|align=center|MEDIUM
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Marius/Torsten]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Marius]]
 
|-
 
|-
 
|align=left width=62%|'''[https://github.com/openscad/openscad/wiki/Project%3A-Improve-OpenGL-rendering OpenGL framework]:''' Rewrite the OpenGL rendering code to use a rendering framework. Focus on compatibility with OpenGL ES2 and rendering performance.
 
|align=left width=62%|'''[https://github.com/openscad/openscad/wiki/Project%3A-Improve-OpenGL-rendering OpenGL framework]:''' Rewrite the OpenGL rendering code to use a rendering framework. Focus on compatibility with OpenGL ES2 and rendering performance.
 
|align=center|C++ OpenGL
 
|align=center|C++ OpenGL
 
|align=center|MEDIUM
 
|align=center|MEDIUM
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Marius/Torsten]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Marius]]
|-
 
|align=left width=62%|'''[https://github.com/openscad/openscad/wiki/Project%3A-Improve-Text-Editor Improve Text Editor]:''' Add more IDE style features to the text editor integrated in OpenSCAD.
 
|align=center|C++
 
|align=center|MEDIUM
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Marius/Torsten]]
 
 
|-
 
|-
 
|align=left width=62%|'''[https://github.com/openscad/openscad/wiki/Ideas-for-Development-Tasks#persistant-caching Persistent Caching]:''' Implement a disk-based version of the internal memory caches
 
|align=left width=62%|'''[https://github.com/openscad/openscad/wiki/Ideas-for-Development-Tasks#persistant-caching Persistent Caching]:''' Implement a disk-based version of the internal memory caches
 
|align=center|C++
 
|align=center|C++
 
|align=center|MEDIUM
 
|align=center|MEDIUM
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Marius/Torsten]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Marius]]
 
|-
 
|-
 
|align=left width=62%|'''[https://github.com/openscad/openscad/wiki/Project%3A-Multi-threaded-geometry-rendering Multi-threaded Geometry Evaluation]:''' Implement multi-threaded evaluation of geometry.
 
|align=left width=62%|'''[https://github.com/openscad/openscad/wiki/Project%3A-Multi-threaded-geometry-rendering Multi-threaded Geometry Evaluation]:''' Implement multi-threaded evaluation of geometry.
 
|align=center|C++
 
|align=center|C++
 
|align=center|MEDIUM
 
|align=center|MEDIUM
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Marius/Torsten]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Marius]]
 
|-
 
|-
 
|align=left width=62%|'''[https://github.com/openscad/openscad/wiki/Project%3A-Survey-of-CSG-algorithms Survey of CSG algorithms]:''' Review existing research, evaluate and prototype algorithms.
 
|align=left width=62%|'''[https://github.com/openscad/openscad/wiki/Project%3A-Survey-of-CSG-algorithms Survey of CSG algorithms]:''' Review existing research, evaluate and prototype algorithms.
 
|align=center|C++
 
|align=center|C++
 
|align=center|MEDIUM-HARD
 
|align=center|MEDIUM-HARD
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Marius/Torsten]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Marius]]
|-
 
|align=left width=62%|'''[https://github.com/openscad/openscad/wiki/Project%3A-Add-support-for-exporting-models-in-STEP-format Add support for exporting models in STEP format]:''' Enable better integration with other CAD tools by adding STEP export.
 
|align=center|C++
 
|align=center|HARD
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Marius/Torsten]]
 
 
|-
 
|-
|align=left width=62%|'''[https://github.com/openscad/openscad/wiki/Ideas-for-Development-Tasks#issue-handling Issue Handling]:''' Day-to day issue and community management, fix incoming and existing issues. Good place to get started.
+
|align=left width=62%|'''[https://github.com/openscad/openscad/wiki/Ideas-for-Development-Tasks#issue-handling Issue Handling]:''' Day-to day issue and community management, fix incoming and existin issues. Good place to get started.
 
|align=center|C++
 
|align=center|C++
 
|align=center|EASY
 
|align=center|EASY
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Marius/Torsten]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Marius]]
 
|-
 
|-
 
|align=left width=62%|'''[https://github.com/openscad/openscad/wiki/Ideas-for-Development-Tasks#test-framework-improvements Test Framework Improvements]:''' Improve tests and test framework. Good place to get started.
 
|align=left width=62%|'''[https://github.com/openscad/openscad/wiki/Ideas-for-Development-Tasks#test-framework-improvements Test Framework Improvements]:''' Improve tests and test framework. Good place to get started.
|align=center|Python, C++
+
|align=center|C++
 
|align=center|EASY-MEDIUM
 
|align=center|EASY-MEDIUM
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Marius/Torsten]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Marius]]
 
|-
 
|-
 
|align=left width=62%|'''[https://github.com/openscad/openscad/wiki/Ideas-for-Development-Tasks#svg-import SVG Import]:''' Improve/finalize SVG import.
 
|align=left width=62%|'''[https://github.com/openscad/openscad/wiki/Ideas-for-Development-Tasks#svg-import SVG Import]:''' Improve/finalize SVG import.
 
|align=center|C++, SVG
 
|align=center|C++, SVG
 
|align=center|MEDIUM
 
|align=center|MEDIUM
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Marius/Torsten]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Marius]]
 
|-
 
|-
 
|align=left width=62%|'''[https://github.com/openscad/openscad/wiki/Ideas-for-Development-Tasks#larger-tasks-for-particularly-experienced-people Larger tasks for particularly experienced people]:''' Various harder tasks which are not fully specified and requires significant effort to design and implement.
 
|align=left width=62%|'''[https://github.com/openscad/openscad/wiki/Ideas-for-Development-Tasks#larger-tasks-for-particularly-experienced-people Larger tasks for particularly experienced people]:''' Various harder tasks which are not fully specified and requires significant effort to design and implement.
 
|align=center|C++
 
|align=center|C++
 
|align=center|HARD
 
|align=center|HARD
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Marius/Torsten]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Marius]]
 
|}
 
|}
  
Line 375: Line 486:
  
 
LibreCAD is a free Open Source CAD application for Windows, Apple and Linux. Support and documentation is free from our large, dedicated community of users, contributors and developers.
 
LibreCAD is a free Open Source CAD application for Windows, Apple and Linux. Support and documentation is free from our large, dedicated community of users, contributors and developers.
Please refer to [http://wiki.librecad.org/index.php/GSoC_2018#LibreCAD_Project_Ideas LibreCAD GSoC 2018 ideas] for more detailed description.
+
Please refer to [http://wiki.librecad.org/index.php/GSoC_2015#LibreCAD_Projects_Ideas LibreCAD GSoC 2015 ideas] for more detailed description.
  
  
Line 386: Line 497:
  
 
|- bgcolor=#ffffff
 
|- bgcolor=#ffffff
|width=62%|'''[http://wiki.librecad.org/index.php/GSoC_2018#LibreCAD_Project_Ideas LibreCAD 3 UI]:'''  Add missing features, e.g. snapping, to the very basic GUI.
+
|width=62%|'''[[LibreCAD 3 UI]]:'''  Add GUI support for drawing and editing actions to start exposing it to end users.
 
|align=center|C++,Math
 
|align=center|C++,Math
|align=center|MEDIUM
+
|align=center|MEDIUM TO HIGH
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Armin]], [[Google_Summer_of_Code/Project_Ideas#Mentors|Florian]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|LordOfBikes]], [[Google_Summer_of_Code/Project_Ideas#Mentors|ries]]
 
|-
 
|-
  
 
|- bgcolor=#ffffff
 
|- bgcolor=#ffffff
|width=62%|'''[http://wiki.librecad.org/index.php/GSoC_2018#LibreCAD_Project_Ideas LibreCAD 3 DXF Entities]'''  Implement missing DXF entities, e.g. blocks, use LibreCAD 2 for reference.
+
|width=62%|'''[[Improve Spline/Bézier Support]]'''   
 
|align=center|C++,Math
 
|align=center|C++,Math
 +
|align=center|MEDIUM TO HIGH
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|LordOfBikes]], [[Google_Summer_of_Code/Project_Ideas#Mentors|ries]]
 +
|-
 +
 +
 +
|- bgcolor=#ffffff
 +
|width=62%|'''[[Improve contour topology support]]:'''  Hatching and area enclosed in a contour
 +
|align=center|C++
 
|align=center|MEDIUM
 
|align=center|MEDIUM
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Armin]], [[Google_Summer_of_Code/Project_Ideas#Mentors|Florian]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|LordOfBikes]], [[Google_Summer_of_Code/Project_Ideas#Mentors|ries]]
 
|-
 
|-
  
 +
|- bgcolor=#ffffff
 +
|width=62%|'''[[Improve precision and robustness of equation solvers]]''' 
 +
|align=center|C++
 +
|align=center|MEDIUM
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|LordOfBikes]], [[Google_Summer_of_Code/Project_Ideas#Mentors|ries]]
 +
|-
  
 
|- bgcolor=#ffffff
 
|- bgcolor=#ffffff
|width=62%|'''[http://wiki.librecad.org/index.php/GSoC_2018#LibreCAD_Project_Ideas LibreCAD 3 OpenGL rendering]:'''  Replace our current rendering engine ''Cairo'' with pure OpenGL rendering.
+
|width=62%|'''[[Conic curve support]]'''   
 
|align=center|C++
 
|align=center|C++
|align=center|MEDIUM/HIGH
+
|align=center|MEDIUM
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Armin]], [[Google_Summer_of_Code/Project_Ideas#Mentors|Florian]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|LordOfBikes]], [[Google_Summer_of_Code/Project_Ideas#Mentors|ries]]
 
|-
 
|-
  
 
|- bgcolor=#ffffff
 
|- bgcolor=#ffffff
|width=62%|'''[http://wiki.librecad.org/index.php/GSoC_2018#LibreCAD_Project_Ideas LibreCAD 3 Plugin Interface]''' Right now we have some LUA based scripting support for LibreCAD 3. But we want to be much more extensible, e.g. with a XML/JSON interface.
+
|width=62%|'''[[SmartSnap]]:''' Adding and improve snap features for drawing
 
|align=center|C++
 
|align=center|C++
|align=center|MEDIUM/HIGH
+
|align=center|MEDIUM
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Armin]], [[Google_Summer_of_Code/Project_Ideas#Mentors|Florian]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|LordOfBikes]], [[Google_Summer_of_Code/Project_Ideas#Mentors|ries]]
 
|-
 
|-
  
 
|- bgcolor=#ffffff
 
|- bgcolor=#ffffff
|width=62%|'''[http://wiki.librecad.org/index.php/GSoC_2018#LibreCAD_Project_Ideas LibreCAD 3 trimming support]'''  LibreCAD 3 trim operation doesn't support all entities  and is entirely written in Lua. We need a better system which would support all entities and divide operation.
+
|width=62%|'''[[Support for multiple units upon data entry]]'''   
|align=center|C++,Math
+
|align=center|C++
 
|align=center|MEDIUM
 
|align=center|MEDIUM
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Armin]], [[Google_Summer_of_Code/Project_Ideas#Mentors|Florian]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|LordOfBikes]]
 
|-
 
|-
 
|}
 
|}
Line 476: Line 601:
 
|}
 
|}
  
= Slic3r Projects =
+
= LinuxCNC Projects =
  
[http://slic3r.org Slic3r] is CAM desktop application for toolpath/G-code generation for 3D printers.
+
[http://linuxcnc.org LinuxCNC] is software for computer control of machine tools such as milling machines and lathes, 3d printers, robot arms, and more.
  
 
{| bgcolor=#fff width=100%
 
{| bgcolor=#fff width=100%
Line 486: Line 611:
 
!align=center|Contacts
 
!align=center|Contacts
 
|-
 
|-
|width=62%|'''Port the GUI to C++:''' The GUI is currently coded in Perl using wxWidgets and our goal is to have it ported to C++. The wxWidgets API is almost identical between Perl and C++, so it's an easy task. There are a couple things where we use the dynamic features of Perl which are trickier and interesting to port.
+
|width=62%|'''StepConf improvements ([https://sourceforge.net/p/emc/feature-requests/60/], [https://sourceforge.net/p/emc/feature-requests/58/], [https://sourceforge.net/p/emc/feature-requests/57/]):''' [http://linuxcnc.org/docs/html/config/stepconf.html StepConf] is a gui that helps people configure LinuxCNC for many kinds of common machines.  It has some missing features that should be easy to add.
|C++/wxWidgets
+
|Python
|align=center|Easy
+
|align=center|EASY
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Alessandro/Joseph]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|SebKuzminsky]]
 +
|-
 +
|width=62%|'''Add flow control to halstreamer ([https://sourceforge.net/p/emc/feature-requests/125/]):'''  The userspace program [http://linuxcnc.org/docs/html/man/man1/halstreamer.1.html halstreamer] and its realtime companion [http://linuxcnc.org/docs/html/man/man9/streamer.9.html streamer] make up a utility for moving arbitrary data into the realtime core of LinuxCNC.  It currently streams data at maximum rate, and it would be good to add flow control.
 +
|C
 +
|align=center|MEDIUM
 +
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|SebKuzminsky]]
 
|-
 
|-
|width=62%|'''Port the SVGNest library to C++:''' The SVGNest library provides an algorithm for polygon nesting. It's written in JavaScript and a C++ port of it would improve Slic3r's auto-arrange feature. [https://github.com/alexrj/Slic3r/issues/3237 #3237]
+
|width=62%|'''New realtime kernels ([http://thread.gmane.org/gmane.linux.distributions.emc.user/56252]):''' LinuxCNC supports two realtime kernels: [https://www.rtai.org/ RTAI] and [https://rt.wiki.kernel.org/ Preempt-RT].  We target a variety of Debian-based distributions, and we provide debian packages of the realtime kernels we need. The goal of this project is to expand [https://github.com/SebKuzminsky/linux-rtai-build existing packaging infrastructure] to build newer versions of RTAI and Preempt-RT, for [https://www.debian.org/releases/jessie/ Debian Jessie] and [http://releases.ubuntu.com/14.04/ Ubuntu Trusty].
|C++
+
|Shell, make, debian packaging tools
|align=center|Easy
+
|align=center|MEDIUM
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Alessandro/Joseph]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|SebKuzminsky]]
 
|-
 
|-
|width=62%|'''Fix bugs of the Boost.Voronoi library:''' The good but unmaintained Boost.Voronoi library has a couple minor issues affecting Slic3r's results. Interesting task for learning the Voronoi algorithm and how to troubleshoot a computational geometry issue. [https://github.com/alexrj/Slic3r/issues/2948 #2948]
+
|width=62%|'''Add peck to rigid tapping ([https://sourceforge.net/p/emc/feature-requests/78/]):''' Given adequate feedback from the machine, LinuxCNC supports [https://www.youtube.com/watch?v=Ja2LbAAJmls rigid tapping] via [http://linuxcnc.org/docs/html/gcode/gcode.html#sec:G33_1-Rigid-Tapping G33.1] G-code.  Some kinds of taps and materials benefit from "peck tapping", where the tap is backed out from the work piece periodically.  Peck tapping currently has to be done "by hand", by programming one G33.1 move for each peck. This task is to add support for a "peck depth" parameter to the G33.1 command, analogous to peck drilling in [http://linuxcnc.org/docs/html/gcode/gcode.html#sec:G83-Drilling-Peck G83].
|C++
+
|C, C++
|align=center|Medium
+
|align=center|MEDIUM
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Alessandro/Joseph]]
+
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|SebKuzminsky]]
|-
 
|width=62%|'''Wireframe printing:''' Implement the wireframe printing algorithm. [https://github.com/alexrj/Slic3r/issues/2274 #2274]
 
|C++
 
|align=center|Medium
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Alessandro/Joseph]]
 
|-
 
|width=62%|'''Automatic part rotation:''' Automatically rotate a part to make some face of the part the bottom. [https://github.com/alexrj/Slic3r/issues/3047 #3047]
 
|C++
 
|align=center|Medium
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Alessandro/Joseph]]
 
|-
 
|width=62%|'''Manual support creation:''' Allow users to place and move support pillars by clicking in the 3D GUI. [https://github.com/alexrj/Slic3r/issues/3062 #3062]
 
|C++/Perl/OpenGL
 
|align=center|Medium/Hard
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Alessandro/Joseph]]
 
|-
 
|width=62%|'''Refactor the TriangleMesh class and support non-solid walls:''' Replace the internal mesh representation (currently based on admesh) using an existing 3D mesh library or implementing a half-edge structure; only use admesh for fixing models. Keep non-solid walls and slice them as single paths. Bonus: import SVG paths and position them freely using the GUI for printing as single extrusions. [https://github.com/alexrj/Slic3r/issues/3560 #3560] [https://github.com/alexrj/Slic3r/issues/3523 #3523]
 
|C++
 
|align=center|Medium/Hard
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Alessandro/Joseph]]
 
|-
 
|width=62%|'''Non-planar printing:''' Implement techniques for non-planar printing. [https://github.com/alexrj/Slic3r/issues/3442 #3442]
 
|C++
 
|align=center|Medium
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Alessandro/Joseph]]
 
|-
 
|width=62%|'''Support surface colors and mixing extruders:''' Read surface colors from AMF or OBJ and keep them throughout the slicing process in order to generate G-code for mixing extruders. [https://github.com/alexrj/Slic3r/issues/3546 #3546]
 
|C++/Perl
 
|align=center|Hard
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Alessandro/Joseph]]
 
|-
 
|width=62%|'''Clean the libslic3r API and write bindings for it:''' Expose the internal algorithms of Slic3r as a library and write bindings for Python, Perl etc.
 
|C++/any
 
|align=center|Easy
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Alessandro/Joseph]]
 
|-
 
|width=62%|'''Write a Slic3r plugin for Grasshopper:''' Expose Slic3r functionality as many separate components that can be plugged in larger GH definitions (for example: slice a NURBS model in GH and feed the slices to the toolpath generation process in order to skip mesh generation, or provide flow calculation for people driving 5-axis robots with custom motion). This requires a fair amount of design work.
 
|C++
 
|align=center|Medium/Hard
 
|align=center|[[Google_Summer_of_Code/Project_Ideas#Mentors|Alessandro/Joseph]]
 
 
|}
 
|}
  
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! Contact
 
! Contact
 
|-
 
|-
|width=62%|'''[http://www.freecadweb.org/wiki/Advanced_FreeCAD_test_system Advanced FreeCAD test system ]''': Create a framework for result file based comparisons and workbench specific comparators. Also creation of test cases should be simplified by a GUI or wizard.
+
|width=62%|'''[http://www.freecadweb.org/wiki/index.php?title=Advance_FreeCAD_test_system Advance FreeCAD test system ]''': Create a framework for result file based comparisons and workbench specific comparators. Also creation of test cases should be simplified by a GUI or wizard.
 
|align=center|Python/C++
 
|align=center|Python/C++
 
|align=center|Medium
 
|align=center|Medium
 
|align=center|[http://forum.freecadweb.org/memberlist.php?mode=viewprofile&u=686 Ickby]
 
|align=center|[http://forum.freecadweb.org/memberlist.php?mode=viewprofile&u=686 Ickby]
 
|-
 
|-
|width=62%|'''[http://www.freecadweb.org/wiki/Topological_Naming_Project Topological Naming Project]''': Implementation of subshape identifiers based on creation history and update of topology class to work with those identifiers.
+
|width=62%|'''[http://www.freecadweb.org/wiki/index.php?title=Topological_Naming_Project Topological Naming Project]''': Theory evaluation of possible algorithms in respect to FreeCADs internal architecture and implementation of a prototype to show the general applicability of the choosen approach.
 
|align=center|C++
 
|align=center|C++
 
|align=center|Hard
 
|align=center|Hard
 
|align=center|[http://forum.freecadweb.org/memberlist.php?mode=viewprofile&u=686 Ickby]
 
|align=center|[http://forum.freecadweb.org/memberlist.php?mode=viewprofile&u=686 Ickby]
 
|-
 
|-
|width=62%|'''[http://www.freecadweb.org/wiki/Direct_modeling_tools Direct modeling tools]''': Create a new layer of tools and objects, that work on top of existing Part-based 3D objects, that allow a user to graphically modify their geometry.
+
|width=62%|'''[http://www.freecadweb.org/wiki/index.php?title=Direct_modeling_tools Direct modeling tools]''': Create a new layer of tools and objects, that work on top of existing Part-based 3D objects, that allow a user to graphically modify their geometry.
 
|align=center|Python/C++
 
|align=center|Python/C++
 
|align=center|Medium
 
|align=center|Medium
 
|align=center|[http://forum.freecadweb.org/memberlist.php?mode=viewprofile&u=68 Yorik]
 
|align=center|[http://forum.freecadweb.org/memberlist.php?mode=viewprofile&u=68 Yorik]
 
|-
 
|-
|width=62%|'''[http://www.freecadweb.org/wiki/FEM_Post_Processing_based_on_VTK FEM Post Processing based on VTK]''': Base the existing FEM VTK post processing on the updated SMESH data structure and design a python interface for it. Also improve integration into the workbench.
+
|width=62%|'''[http://www.freecadweb.org/wiki/index.php?title=FEM_Post_Processing_based_on_VTK FEM Post Processing based on VTK]''': Advance the currently prototyped FEM post processing based on the vtk library with more functionality and ensure a better itnegration into the workbench
 
|align=center|C++
 
|align=center|C++
 
|align=center|Medium
 
|align=center|Medium
 
|align=center|[http://forum.freecadweb.org/memberlist.php?mode=viewprofile&u=686 Ickby]
 
|align=center|[http://forum.freecadweb.org/memberlist.php?mode=viewprofile&u=686 Ickby]
 
|-
 
|-
|width=62%|'''[http://www.freecadweb.org/wiki/IPython_notebook_integration IPython notebook integration]''': Create a way to export the open inventor scenegraph as a JavaScript file and add functions for seamless interaction with the IPython display system
+
|width=62%|'''[http://www.freecadweb.org/wiki/index.php?title=Multithreading_in_document_evaluation_and_Part_workbench Multithreading in document evaluation and Part workbench]''': Multithread the graph based document object evaluation with intels tbb library and integrate OpenCascades multhithreading
|align=center|C++, JavaScript, Python
 
|align=center|Easy
 
|align=center|[http://forum.freecadweb.org/memberlist.php?mode=viewprofile&u=686 Ickby]
 
|-
 
|width=62%|'''[https://www.freecadweb.org/wiki/Integrate_Cycles_renderer Integrate Cycles renderer]''': Add Blender's new Cycles renderer as a new render engine to the Raytracing Workbench
 
 
|align=center|C++
 
|align=center|C++
 
|align=center|Medium
 
|align=center|Medium
|align=center|[http://forum.freecadweb.org/memberlist.php?mode=viewprofile&u=68 Yorik]
+
|align=center|[http://forum.freecadweb.org/memberlist.php?mode=viewprofile&u=686 Ickby]
 
|-
 
|-
|width=62%|Stepwise integration of ElmerFem into FreeCAD should be done in three phases:
+
|width=62%|'''[http://www.freecadweb.org/wiki/index.php?title=Extend_Part_workbench_python_API Extend Part workbench python API ]''': Expose 2D geometry API from opencascade and extend the 3D geometry API with then possible new functions
Phase 1 - '''[https://www.freecadweb.org/wiki/New_solver_object_for_handling_ElmerFEM_execution_in_FEM-workbench New solver object for handling ElmerFEM execution in FEM-workbench]'''.
+
|align=center|C++, Python
Phase 2 - '''[https://www.freecadweb.org/wiki/Mapping_of_main_ElmerSolver_setting_for_mechanical_simulations Mapping of main ElmerSolver setting for mechanical simulations]'''.
+
|align=center|Easy
Phase 3 - '''[https://www.freecadweb.org/wiki/Give_graphical_access_to_a_wide_range_of_available_ElmerSolver_setting_from_within_FreeCAD Give graphical access to a wide range of available ElmerSolver setting from within FreeCAD]'''
+
|align=center|[http://forum.freecadweb.org/memberlist.php?mode=viewprofile&u=686 Ickby]
|align=center|Python/C++
 
|align=center|Medium-Hard
 
|align=center|[https://forum.freecadweb.org/memberlist.php?mode=viewprofile&u=2069 Bernd], [https://forum.freecadweb.org/memberlist.php?mode=viewprofile&u=6222 HoWil]
 
 
|-
 
|-
|width=62%|'''[https://www.freecadweb.org/wiki/PartDesign_Updates PartDesign Updates]''': Finish PartDesign port to new Body object, simplify the workflows and extend tools while making them more robust.
+
|width=62%|'''[General measure framework]''': Build a unified measure framework working with different workbenches and objects for advanced data collection
 
|align=center|C++, Python
 
|align=center|C++, Python
 
|align=center|Medium
 
|align=center|Medium
 
|align=center|[http://forum.freecadweb.org/memberlist.php?mode=viewprofile&u=686 Ickby]
 
|align=center|[http://forum.freecadweb.org/memberlist.php?mode=viewprofile&u=686 Ickby]
 
|-
 
|-
|width=62%|'''[https://www.freecadweb.org/wiki/GSoC_FEM_Solver_Z88 GSoC FEM Solver Z88]''': Extend the capabilities of FEM solver Z88OS in FreeCAD FEM workbench.
+
|width=62%|'''[http://www.freecadweb.org/wiki/index.php?title=IPython_notebook_integration IPython notebook integration]''': Create a way to export the open inventor scenegraph as a JavaScript file and add functions for seamless interaction with the IPython display system
|align=center|Python
+
|align=center|C++, JavaScript, Python
|align=center|Easy-Medium
+
|align=center|Easy
|align=center|[http://forum.freecadweb.org/memberlist.php?mode=viewprofile&u=686 Bernd]
+
|align=center|[http://forum.freecadweb.org/memberlist.php?mode=viewprofile&u=686 Ickby]
|-
 
|width=62%|'''[https://www.freecadweb.org/wiki/GSoC_FEM_Unit_Tests GSoC FEM Unit Tests]''': Extend the unit tests of FreeCAD FEM workbench.
 
|align=center|Python
 
|align=center|Easy-Medium
 
|align=center|[http://forum.freecadweb.org/memberlist.php?mode=viewprofile&u=686 Bernd]
 
|-
 
|width=62%|'''[https://www.freecadweb.org/wiki/GSoC_Path/Robot_Integration GSoC Path/Robot Integration]''': Path is the CNC/CAM workbench. It currently lacks any simulation capability. Robot workbench is a tool for simulating industrial robots. Extend Path and Robot workbenches to support simulation of CNC operations in the Robot workbench.
 
|align=center|C++, Python
 
|align=center|Easy-Medium
 
|align=center|[http://forum.freecadweb.org/memberlist.php?mode=viewprofile&u=68 Yorik], [https://forum.freecadweb.org/memberlist.php?mode=viewprofile&u=708 sliptonic]
 
 
|}
 
|}
  
Line 646: Line 718:
 
** zero_level irc.freenode.net
 
** zero_level irc.freenode.net
 
** BRL-CAD Mentor, Computer Science Engineer
 
** BRL-CAD Mentor, Computer Science Engineer
 
* Inderpreet Singh (Pooh)
 
** Pooh on https://brlcad.zulipchat.com
 
** OGV mentor
 
 
* Gauravjeet Singh (Panda)
 
** Panda on https://brlcad.zulipchat.com
 
** OGV mentor
 
  
 
* Mark Pictor
 
* Mark Pictor
Line 670: Line 734:
 
** teepee on irc.freenode.net
 
** teepee on irc.freenode.net
 
** OpenSCAD Mentor
 
** OpenSCAD Mentor
 +
 +
* Ries van Twisk
 +
** ries on irc.freenode.net
 +
** LibreCAD Mentor
  
 
* Armin Stebich
 
* Armin Stebich
Line 675: Line 743:
 
** LibreCAD Mentor
 
** LibreCAD Mentor
  
* Florian Roméo
+
* Sebastian Kuzminsky
** Feragon on irc.freenode.net
+
** seb_kuzminsky on irc.freenode.net
** LibreCAD Mentor
+
** LinuxCNC Mentor
 
 
* Alessandro Ranellucci
 
** Sound on irc.freenode.net
 
** Slic3r Mentor
 
 
 
* Joseph Lenox
 
** LoH on irc.freenode.net
 
** Slic3r Mentor
 

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