id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	blockedby	blocking	notify_on_close	platform	project
2619	trying to open GLTF: ImportError: cannot import name 'surface' from 'chimerax.core'	Elaine Meng	Tom Goddard	"I was trying to see if GLTF would save/restore colors of blobs colored with ""Measure and Color Blobs"" since they are not preserved in session files. However, trying to open the attached file gave a traceback.  Example commands and Log feedback, current daily buildUCSF ChimeraX version: 0.91 (2019-11-27):

open 1zik
show
molmap aromatic 8
ui mousemode rightMode ""pick blobs""
measure blob #!2.1 triangleNumber 505 color #6073ceff outline trueSurface 1zik map 8 #2.1 blob:
volume = 1343.5
area = 743.31
size = 21.948 11.853 10.317

measure blob #!2.1 triangleNumber 543 color #31d386ff outline trueSurface 1zik map 8 #2.1 blob:
volume = 1381.5
area = 743.41
size = 22.486 12.158 10.435

save blubber.glb
close
open blubber.glbTraceback (most recent call last):
  File ""/Users/chimera/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/chimerax/cmd_line/tool.py"", line 258, in execute
    cmd.run(cmd_text)
  File ""/Users/chimera/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/chimerax/core/commands/cli.py"", line 2837, in run
    result = ci.function(session, **kw_args)
  File ""/Users/chimera/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/chimerax/core/commands/open.py"", line 68, in open
    path_models = session.models.open(paths, format=format, name=name, **kw)
  File ""/Users/chimera/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/chimerax/core/models.py"", line 700, in open
    session, filenames, format=format, name=name, **kw)
  File ""/Users/chimera/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/chimerax/core/io.py"", line 489, in open_multiple_data
    models, status = open_data(session, fspec, format=format, name=name, **kw)
  File ""/Users/chimera/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/chimerax/core/io.py"", line 445, in open_data
    models, status = open_func(*args, **kw)
  File ""/Users/chimera/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/chimerax/gltf/__init__.py"", line 31, in open_file
    return gltf.read_gltf(session, stream, file_name)
  File ""/Users/chimera/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/chimerax/gltf/gltf.py"", line 70, in read_gltf
    mesh_drawings = meshes_as_models(session, j['meshes'], ba)
  File ""/Users/chimera/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/chimerax/gltf/gltf.py"", line 185, in meshes_as_models
    from chimerax.core import surface
ImportError: cannot import name 'surface' from 'chimerax.core' (/Users/chimera/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/chimerax/core/__init__.py)

ImportError: cannot import name 'surface' from 'chimerax.core' (/Users/chimera/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/chimerax/core/__init__.py)

File ""/Users/chimera/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/chimerax/gltf/gltf.py"", line 185, in meshes_as_models
from chimerax.core import surface
"	defect	closed	moderate		Surface		fixed						all	ChimeraX