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Fix move to pointer for selectors again #601

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Merged
merged 3 commits into from
Sep 12, 2024
Merged

Fix move to pointer for selectors again #601

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1e037af
LinearSelectionFeature uses np.float32 for selection type
kushalkolar Sep 2, 2024
a5c3516
move_to_pointer which works for both linear and linear region selectors
kushalkolar Sep 2, 2024
7841693
skip move_to_pointer for rectangle selector for now
kushalkolar Sep 2, 2024
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4 changes: 2 additions & 2 deletions fastplotlib/graphics/_features/_selection_features.py
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Original file line number Diff line number Diff line change
Expand Up @@ -48,15 +48,15 @@ def __init__(self, axis: str, value: float, limits: tuple[float, float]):
self._value = value

@property
def value(self) -> float:
def value(self) -> np.float32:
"""
selection, data x or y value
"""
return self._value

def set_value(self, selector, value: float):
# clip value between limits
value = np.clip(value, self._limits[0], self._limits[1])
value = np.clip(value, self._limits[0], self._limits[1], dtype=np.float32)

# set position
if self._axis == "x":
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11 changes: 10 additions & 1 deletion fastplotlib/graphics/selectors/_base_selector.py
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Original file line number Diff line number Diff line change
Expand Up @@ -280,7 +280,16 @@ def _move_to_pointer(self, ev):
elif self.axis == "y":
offset = self.offset[1]

current_pos_world: np.ndarray = self.selection + offset
if self.selection.size > 1:
# linear region selectors
# TODO: get center for rectangle and polygon selectors
center = self.selection.mean(axis=0)

else:
# linear selectors
center = self.selection

current_pos_world: np.ndarray = center + offset

world_pos = self._plot_area.map_screen_to_world(ev)

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3 changes: 3 additions & 0 deletions fastplotlib/graphics/selectors/_rectangle.py
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Original file line number Diff line number Diff line change
Expand Up @@ -515,3 +515,6 @@ def _move_graphic(self, delta: np.ndarray):
self._selection.set_value(self, (xmin, xmax, ymin_new, ymax))
if self._move_info.source == self.edges[3]:
self._selection.set_value(self, (xmin, xmax, ymin, ymax_new))

def _move_to_pointer(self, ev):
pass
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