I want to talk about a piece of code in d3.js converted to python, and then encountered a problem, that is, js can use functions like variables without passing parameter values. I don"t know how to implement the same function in my python.
here is the js code.
function defaultX$1(d) {
return d[0];
}
function defaultY$1(d) {
return d[1];
} Python is also possible.
your problem may be that Python does not support the $symbol in identifiers .
your function name is marked with $. Remove $.
-sharp __init__ addAll
class Quadtree:
def __init__(self, a1, a2, a3, a4, a5, a6):
pass
def addAll(node):
pass
def defaultX1(d):
return d[0]
def defaultY1(d):
return d[1]
def quadtree(nodes, x, y):
tree = Quadtree(
defaultX1 if x == None else x,
defaultY1 if y == None else y,
None, None, None, None
)
return tree if nodes == None else tree.addAll(nodes)