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Make input_to_graph_point always use a binary search, since graph's have uneven density now

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Grant Sanderson 2020-02-23 22:56:50 +00:00
parent da8dc4ea03
commit 26dccfe9a7
1 changed files with 11 additions and 14 deletions
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25
manimlib/mobject/coordinate_systems.py
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@ -108,21 +108,18 @@ class CoordinateSystem():
return graph return graph
def input_to_graph_point(self, x, graph): def input_to_graph_point(self, x, graph):
if hasattr(graph, "underlying_function"): alpha = binary_search(
return self.coords_to_point(x, graph.underlying_function(x)) function=lambda a: self.x_axis.p2n(
graph.point_from_proportion(a)
),
target=x,
lower_bound=self.x_min,
upper_bound=self.x_max,
)
if alpha is not None:
return graph.point_from_proportion(alpha)
else: else:
alpha = binary_search( return None
function=lambda a: self.point_to_coords(
graph.point_from_proportion(a)
)[0],
target=x,
lower_bound=self.x_min,
upper_bound=self.x_max,
)
if alpha is not None:
return graph.point_from_proportion(alpha)
else:
return None
class Axes(VGroup, CoordinateSystem): class Axes(VGroup, CoordinateSystem):