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import gmsh
import sys
import json
import math
gmsh.initialize()
# set a full onelab db
gmsh.onelab.set("""
{ "onelab":{
"creator":"My app",
"version":"1.3",
"parameters":[
{ "type":"number", "name":"number 1", "values":[ 1 ] },
{ "type":"string", "name":"string 1", "values":[ "hello" ] }
] }
}
""")
# set a list of parameters
gmsh.onelab.set("""
[
{ "type":"number", "name":"number 2", "values":[ 3.141592 ],
"attributes":{ "Highlight":"Red" } },
{ "type":"string", "name":"string 2", "values":[ "hello again" ] }
]
""")
# set a single parameter
gmsh.onelab.set("""
{ "type":"number", "name":"check 1", "values":[ 0 ], "choices":[0, 1] }
""")
# get the full parameter, store it as a python dict, and change an attribute
p = json.loads(gmsh.onelab.get("check 1"))
p["attributes"] = {"Highlight": "Blue"}
gmsh.onelab.set(json.dumps(p))
# shorter way to just change the value, without json overhead
gmsh.onelab.setNumber("check 1", [1])
gmsh.onelab.setString("string 1", ["goodbye"])
# remove a parameter
gmsh.onelab.clear("string 2")
if '-nopopup' not in sys.argv:
gmsh.fltk.run()
gmsh.finalize()
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