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DcmViewer_3d.py
140 lines (107 loc) · 4.54 KB
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DcmViewer_3d.py
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# -*- coding: utf-8 -*-
# DCM读取 (单文件多视角 1*n显示)
import sys,os
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as FigureCanvas
from matplotlib.figure import Figure
import matplotlib.pyplot as plt
import SimpleITK as sitk
import numpy as np
import qdarkstyle
import scipy.misc
class dcmViewer(QWidget):
def __init__(self):
super().__init__()
self.initUI()
def initUI(self):
self.setWindowTitle("DcmViewer_3d")
# dcm_dir = '/Users/shukai/Downloads/729427/A'
dcm_dir = '/Users/Captain/Downloads/Todo/dcom_sample'
self.dcm_list = self.loadFiles(dcm_dir)
self.dcm_ndarrays = self.to_3d_array(self.dcm_list) # 读取所有文件 (二维 -> 三维)
layout = QVBoxLayout()
layout1 = QHBoxLayout()
self.plotCanvas1 = PlotCanvas(self,width=5, height=4)
self.plotCanvas2 = PlotCanvas(self,width=5, height=4)
self.plotCanvas3 = PlotCanvas(self,width=5, height=4)
layout1.addWidget(self.plotCanvas1)
layout1.addWidget(self.plotCanvas2)
layout1.addWidget(self.plotCanvas3)
layout2 = QHBoxLayout()
self.scrollbar1 = QScrollBar(Qt.Horizontal)
self.scrollbar1.setMaximum(100)
self.scrollbar1.sliderMoved.connect(lambda:self.sliderMoved("scrollbar1"))
self.scrollbar2 = QScrollBar(Qt.Horizontal)
self.scrollbar2.setMaximum(100)
self.scrollbar2.sliderMoved.connect(lambda:self.sliderMoved("scrollbar2"))
self.scrollbar3 = QScrollBar(Qt.Horizontal)
self.scrollbar3.setMaximum(100)
self.scrollbar3.sliderMoved.connect(lambda:self.sliderMoved("scrollbar3"))
layout2.addWidget(self.scrollbar1)
layout2.addWidget(self.scrollbar2)
layout2.addWidget(self.scrollbar3)
layout.addLayout(layout1)
layout.addLayout(layout2)
self.setLayout(layout)
def sliderMoved(self,scrollbarName):
print('当前值:%s' % self.sender().value())
value = self.sender().value()
if scrollbarName == 'scrollbar1':
self.plotCanvas1.plot3s(scrollbarName,self.dcm_ndarrays,value)
elif scrollbarName == 'scrollbar2':
self.plotCanvas2.plot3s(scrollbarName,self.dcm_ndarrays,value)
else:
self.plotCanvas3.plot3s(scrollbarName,self.dcm_ndarrays,value)
def loadFiles(self,file_dir):
dcmlist=[]
for root, dirs, files in os.walk(file_dir):
for file in files:
dcmlist.append(os.path.join(root, file))
dcmlist.sort()
return dcmlist
def to_3d_array(self,dcm_list):
to_3d_list = []
i = 0
for dcmFile in dcm_list:
image = sitk.ReadImage(dcmFile)
image_array = np.squeeze(sitk.GetArrayFromImage(image))
if i == 0:
i += 1
to_3d_list = [image_array]
else:
to_3d_list.append(image_array)
to_3d_ndarray = np.array(to_3d_list) # to_3d_ndarray.shape (245, 512, 512)
return to_3d_ndarray
class PlotCanvas(FigureCanvas):
def __init__(self,parent=None, width=5, height=4, dpi=100):
self.fig = Figure(figsize=(width, height), dpi=dpi)
self.fig.set_facecolor('black')
FigureCanvas.__init__(self, self.fig)
FigureCanvas.setSizePolicy(self,QSizePolicy.Expanding,QSizePolicy.Expanding)
FigureCanvas.updateGeometry(self)
def plot3s(self,scrollbarName,dcm_ndarrays,value):
self.fig.clear()
ax = self.figure.add_subplot(111)
# 依据scrollbar.value值,调整某一维の数值
if scrollbarName == 'scrollbar1':
id = int(dcm_ndarrays.shape[0]*value/100-0.5)
gray = dcm_ndarrays[id,:,:]
gray = scipy.misc.imresize(gray,(200,200))
elif scrollbarName == 'scrollbar2':
id = int(dcm_ndarrays.shape[1]*value/100-0.5)
gray = dcm_ndarrays[:,id,:]
gray = scipy.misc.imresize(gray,(200,200))
else:
id = int(dcm_ndarrays.shape[2]*value/100-0.5)
gray = dcm_ndarrays[:,:,id]
gray = scipy.misc.imresize(gray,(200,200))
ax.imshow(gray,cmap='gray')
self.draw()
if __name__ == '__main__':
app = QApplication(sys.argv)
app.setStyleSheet(qdarkstyle.load_stylesheet_pyqt5())
example = dcmViewer()
example.show()
sys.exit(app.exec_())