85 lines
3.1 KiB
Python
85 lines
3.1 KiB
Python
from shutil import copyfile
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class ImageIntensity(DeviceBase, Readable):
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def __init__(self, image):
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DeviceBase.__init__(self, image.name + " intensity")
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self.setParent(image)
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def read(self):
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ret = self.getParent().read()
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if ret is not None:
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(I_sum, area_I, thresh1_count, thresh2_count, thresh3_count, thresh4_count, I_sum_bgr, area_bgr) = ret
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ret = I_sum
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#if area_bgr > 0:
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# ret = ret - ((I_sum_bgr / area_bgr) * area_I)
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self.setCache(ret, None)
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return ret
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class ImageCorrectedIntensity(DeviceBase, Readable):
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def __init__(self, image):
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DeviceBase.__init__(self, image.name + " corrected intensity")
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self.setParent(image)
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def read(self):
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ret = self.getParent().intensity.take()
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if ret is not None:
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trans = transm.value
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if (trans == 0.0) or (count_time==0):
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ret= float("nan")
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else:
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ret = ret / count_time / transm.value
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self.setCache(ret, None)
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return ret
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class Image(DeviceBase, Readable):
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def __init__(self, name, pixel):
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DeviceBase.__init__(self, name)
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self.pixel = pixel
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self.roi = [0,0, self.pixel.PIX_XDIM-1, self.pixel.PIX_XDIM]
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self.broi = [0,0, self.pixel.PIX_XDIM-1, self.pixel.PIX_YDIM]
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self.intensity = ImageIntensity(self)
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self.corrected_intensity = ImageCorrectedIntensity(self)
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def get_int(self, threshold1= None, threshold2= None, threshold3= None, threshold4= None, filename = None):
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if threshold1 is None:
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threshold1 = self.pixel.PIX_THRESH1
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if threshold2 is None:
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threshold2 = self.pixel.PIX_THRESH2
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if threshold3 is None:
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threshold3 = self.pixel.PIX_THRESH3
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if threshold4 is None:
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threshold4 = self.pixel.PIX_THRESH4
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if filename is None:
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filename = self.pixel.get_image_filename()
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print "Calculating intensity for: " + filename + " - threshold: " + str((threshold1, threshold2, threshold3, threshold4))
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tmp_file = self.pixel.image_root_folder + "tmp/spec_image_info.dat"
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copyfile(filename, tmp_file)
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ret = img_get_int(tmp_file, threshold1, threshold2, threshold3, threshold4, \
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self.pixel.IMAGE_HEADER_LENGTH, self.pixel.PIX_XDIM, self.pixel.PIX_YDIM,self.pixel.PIX_COLOR_DEPTH, \
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self.roi[0], self.roi[1], self.roi[2], self.roi[3], self.broi[0], self.broi[1], self.broi[2], self.broi[3])
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self.setCache(ret, None)
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return ret
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def get_image(self, filename = None):
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if filename is None:
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filename = self.pixel.get_image_filename()
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return img_read(filename, self.pixel.IMAGE_HEADER_LENGTH, self.pixel.PIX_XDIM, self.pixel.PIX_YDIM,self.pixel.PIX_COLOR_DEPTH)
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def read(self):
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return self.get_int()
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add_device( Image("image", pixel), True)
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