lanl/LaGriT

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Los Alamos Grid Toolbox (LaGriT) is a library of user callable tools that provide mesh generation, mesh optimization and dynamic mesh maintenance in two and three dimensions.

Stars: 133
Forks: 54
Open beginner issues: 0
Indexed issues: 127

Dominant language: Fortran
License: No license data
Last GitHub push: Mar 27, 2026
Latest indexed: Sep 18, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue help wanted
PR merge metrics: No merged PRs in 30d

Open All

127 open issues indexed

extrude using nstgeom Open

bug

lanl/LaGriT#2 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
stack - itetclr not equal to 1 Open

question

lanl/LaGriT#3 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
extract/surfmesh zeros zic Open

question

lanl/LaGriT#4 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
eltset and comparisons using integer value for real attributes Open

enhancement

lanl/LaGriT#5 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
cmo/copy seg fault on 9th cmo Open

bug

lanl/LaGriT#6 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
massage does not merge in 2D example Open

bug

lanl/LaGriT#8 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
refine/ prd example crashes Open

bug

lanl/LaGriT#9 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
interpolate problems on level 0 mesh with parent-child nodes Open

question

lanl/LaGriT#10 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
interpolate broken using pset on second pass Open

bug

lanl/LaGriT#12 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
connect 2D problems when range of length scales is very wide Open

question

lanl/LaGriT#13 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
metis does not work for 64 bit compile (old metis being used) Open

bug

lanl/LaGriT#14 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 18, 2026
inside element tests failures when distances are close to epsilon values Open

enhancement

lanl/LaGriT#15 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
add command: eltset/name/face Open

enhancement

lanl/LaGriT#16 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
add capability: read/fehm Open

enhancement

lanl/LaGriT#17 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
cmo/readatt needs element attribute capability Open

enhancement

lanl/LaGriT#18 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
PyLith outputs Open

enhancement

lanl/LaGriT#19 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
extract polyline Open

enhancement

lanl/LaGriT#20 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Modify GMV IO Open

bug

lanl/LaGriT#21 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
error reporting for "unexpected eof-command ignored" Open

enhancement

lanl/LaGriT#22 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
stack user attributes Open

enhancement

lanl/LaGriT#23 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
points into polyline Open

enhancement

lanl/LaGriT#24 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
compute volume of arbitrary non-convex polyhedra Open

enhancement

lanl/LaGriT#25 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
some handy commands to add Open

enhancement

lanl/LaGriT#26 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
implement normals on quads Open

question

lanl/LaGriT#27 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
math does not recognize imt attribute. Must use imt1 Open

question

lanl/LaGriT#31 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
rmregion update manual Open

PAGES

lanl/LaGriT#35 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
read exodus Open

enhancement

lanl/LaGriT#36 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
addatt scalar Open

question

lanl/LaGriT#37 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
cmo/addatt/ synth_norm not handling attributes correctly Open

bug

lanl/LaGriT#39 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 18, 2026
triangulate as a single call using clockwise and counterclockwise Open

enhancement

lanl/LaGriT#40 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
stack for hybrid surfaces Open

enhancement

lanl/LaGriT#41 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
extract/surfmesh external option should not include interface surfaces Open

bug

lanl/LaGriT#42 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
add capability for a multi-polygon triangulate Open

enhancement

lanl/LaGriT#43 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
surface - add option for elliptic cylinder Open

enhancement

lanl/LaGriT#44 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
perturb improvement to avoid triangle inversion Open

enhancement

lanl/LaGriT#49 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
dump/exodus enhancements Open

enhancement

lanl/LaGriT#50 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
dump/ VTK Open

enhancement

lanl/LaGriT#52 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
stack flip option not working for quads Open

bug

lanl/LaGriT#54 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
cmo / setatt issue when using undefined define variable Open

enhancement

lanl/LaGriT#55 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
triangulate can fail if the input polygon has a large number of co-linear vertices Open

bug

lanl/LaGriT#57 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Fix ExodusII output for 2D mesh with facesets Open

minor fix

lanl/LaGriT#62 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
Use LaGriT pset/eltset character string names in ExodusII output Open

minor fix

lanl/LaGriT#63 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
filterkd: add option min|max / attribute (argument 6,7) to filterkd Open

enhancement

lanl/LaGriT#66 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
connect (2D triangle) screen output reformat Open

minor fix

lanl/LaGriT#67 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
Create test for octree refine object Open

Test Suite

lanl/LaGriT#72 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 18, 2026
Build warning with ExodusII 7 Open

build

lanl/LaGriT#80 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 18, 2026
add ExodusII attrib for each block Open

enhancement

lanl/LaGriT#82 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
Install instructions or script for Windows system Open

build Good First Issue help wanted

lanl/LaGriT#85 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
add capability to set attribute from scalar attribute Open

enhancement

lanl/LaGriT#100 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
LaGriT run 'termcode' for this case Open

lanl/LaGriT#103 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026

lanl/LaGriT

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