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{
"name": "m_min",
"type": "function",
"groups": ["GeometryGroup"],
"description": "Returns the minimum m (measure) value of a geometry.",
"arguments": [{
"arg": "geometry",
"description": "a geometry containing m values"
}],
"examples": [{
"expression": "m_min( make_point_m( 0,0,1 ) )",
"returns": "1"
}, {
"expression": "m_min(make_line( make_point_m( 0,0,1 ), make_point_m( -1,-1,2 ), make_point_m( -2,-2,0 ) ) )",
"returns": "0"
}],
"tags": ["minimum", "measure"]
}