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Adjust the scaling automatically in TopDownRenderer #776

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merged 1 commit into from
Nov 19, 2024
Merged

Adjust the scaling automatically in TopDownRenderer #776

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6 changes: 5 additions & 1 deletion metadrive/engine/top_down_renderer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -53,7 +53,10 @@ def draw_top_down_map_native(
y_len = b_box[3] - b_box[2]
max_len = max(x_len, y_len)
# scaling and center can be easily found by bounding box
scaling = scaling if scaling is not None else (film_size[1] / max_len - 0.1)
if scaling is None:
scaling = (film_size[1] / max_len - 0.1)
else:
scaling = min(scaling, (film_size[1] / max_len - 0.1))
surface.scaling = scaling
centering_pos = ((b_box[0] + b_box[1]) / 2, (b_box[2] + b_box[3]) / 2)
surface.move_display_window_to(centering_pos)
Expand Down Expand Up @@ -280,6 +283,7 @@ def __init__(
film_size=self.film_size,
semantic_broken_line=self.semantic_broken_line
)
self.scaling = self._background_canvas.scaling

# (2) frame is a copy of the background so you can draw movable things on it.
# It is super large as the background.
Expand Down
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