def _on_move(self, event):
"""Mouse moving
button-1 rotates by default. Can be set explicitly in mouse_init().
button-3 zooms by default. Can be set explicitly in mouse_init().
"""
if not self.button_pressed:
return
if self.M is None:
return
x, y = event.xdata, event.ydata
# In case the mouse is out of bounds.
if x == None:
return
dx, dy = x - self.sx, y - self.sy
x0, x1 = self.get_xlim()
y0, y1 = self.get_ylim()
w = (x1 - x0)
h = (y1 - y0)
self.sx, self.sy = x, y
# Rotation
if self.button_pressed in self._rotate_btn:
# rotate viewing point
# get the x and y pixel coords
if dx == 0 and dy == 0:
return
self.elev = art3d.norm_angle(self.elev - (dy / h) * 180)
self.azim = art3d.norm_angle(self.azim - (dx / w) * 180)
self.get_proj()
self.figure.canvas.draw()
# elif self.button_pressed == 2:
# pan view
# project xv,yv,zv -> xw,yw,zw
# pan
# pass
# Zoom
elif self.button_pressed in self._zoom_btn:
# zoom view
# hmmm..this needs some help from clipping....
minx, maxx, miny, maxy, minz, maxz = self.get_w_lims()
df = 1 - ((h - dy) / h)
dx = (maxx - minx) * df
dy = (maxy - miny) * df
dz = (maxz - minz) * df
self.set_xlim3d(minx - dx, maxx + dx)
self.set_ylim3d(miny - dy, maxy + dy)
self.set_zlim3d(minz - dz, maxz + dz)
self.get_proj()
self.figure.canvas.draw()
def _on_move(self, event):
"""Mouse moving
button-1 rotates by default. Can be set explicitly in mouse_init().
button-3 zooms by default. Can be set explicitly in mouse_init().
"""
if not self.button_pressed:
return
if self.M is None:
return
x, y = event.xdata, event.ydata
# In case the mouse is out of bounds.
if x == None:
return
dx, dy = x - self.sx, y - self.sy
x0, x1 = self.get_xlim()
y0, y1 = self.get_ylim()
w = (x1-x0)
h = (y1-y0)
self.sx, self.sy = x, y
# Rotation
if self.button_pressed in self._rotate_btn:
# rotate viewing point
# get the x and y pixel coords
if dx == 0 and dy == 0:
return
self.elev = art3d.norm_angle(self.elev - (dy/h)*180)
self.azim = art3d.norm_angle(self.azim - (dx/w)*180)
self.get_proj()
self.figure.canvas.draw()
# elif self.button_pressed == 2:
# pan view
# project xv,yv,zv -> xw,yw,zw
# pan
# pass
# Zoom
elif self.button_pressed in self._zoom_btn:
# zoom view
# hmmm..this needs some help from clipping....
minx, maxx, miny, maxy, minz, maxz = self.get_w_lims()
df = 1-((h - dy)/h)
dx = (maxx-minx)*df
dy = (maxy-miny)*df
dz = (maxz-minz)*df
self.set_xlim3d(minx - dx, maxx + dx)
self.set_ylim3d(miny - dy, maxy + dy)
self.set_zlim3d(minz - dz, maxz + dz)
self.get_proj()
self.figure.canvas.draw()
def _on_move(self, event):
"""Mouse moving
button-1 rotates
button-3 zooms
"""
if not self.button_pressed:
return
if self.M is None:
return
x, y = event.xdata, event.ydata
if x == None:
return
dx, dy = x - self.sx, y - self.sy
x0, x1 = self.get_xlim()
y0, y1 = self.get_ylim()
w = (x1-x0)
h = (y1-y0)
self.sx, self.sy = x, y
if self.button_pressed == 1:
if dx == 0 and dy == 0:
return
self.elev = art3d.norm_angle(self.elev - (dy/h)*180)
self.azim = art3d.norm_angle(self.azim - (dx/w)*180)
self.get_proj()
self.figure.canvas.draw()
elif self.button_pressed == 2:
pass
elif self.button_pressed == 3:
minpy, maxx, miny, maxy, minz, maxz = self.get_w_lims()
df = 1-((h - dy)/h)
dx = (maxx-minpy)*df
dy = (maxy-miny)*df
dz = (maxz-minz)*df
self.set_xlim3d(minpy - dx, maxx + dx)
self.set_ylim3d(miny - dy, maxy + dy)
self.set_zlim3d(minz - dz, maxz + dz)
self.get_proj()
self.figure.canvas.draw()
