def roi_setup(self):
"""Show a dialog to setup the region of interest."""
dialog = ImageDialog("ROI Setup", edit=True, toolbar=False, parent=self)
default = dialog.add_tool(SelectTool)
dialog.set_default_tool(default)
roi_tool = dialog.add_tool(RectangleTool, switch_to_default_tool=True)
roi = self.cam.roi
old_roi = roi
roi_tool.activate()
# Get image and display
plot = dialog.get_plot()
img = make.image(self.cam_thread.img_data)
plot.add_item(img)
plot.set_active_item(img)
# Wait for user input
dialog.show()
if dialog.exec_():
try:
roi = get_rect(roi_tool)
self.cam.set_roi(roi)
except:
e = sys.exc_info()
print(e)
self.cam.set_roi(old_roi)
def get_segment(item):
"""Show image and return selected segment coordinates"""
win = ImageDialog(_("Select a segment then press OK to accept"), edit=True)
default = win.add_tool(SelectTool)
win.set_default_tool(default)
segtool = win.add_tool(AnnotatedSegmentTool, title="Test",
switch_to_default_tool=True)
segtool.activate()
plot = win.get_plot()
plot.add_item(item)
plot.set_active_item(item)
win.show()
if win.exec_():
shape = segtool.get_last_final_shape()
return shape.get_rect()
def get_segment(item):
"""Show image and return selected segment coordinates"""
win = ImageDialog(_("Select a segment then press OK to accept"), edit=True)
default = win.add_tool(SelectTool)
win.set_default_tool(default)
segtool = win.add_tool(AnnotatedSegmentTool,
title="Test",
switch_to_default_tool=True)
segtool.activate()
plot = win.get_plot()
plot.add_item(item)
plot.set_active_item(item)
win.show()
if win.exec_():
shape = segtool.get_last_final_shape()
return shape.get_rect()