manual.py 文件源码

def next_frame(self, event=None):
        num = int(self.numstr.text())
        cnum = self.class_num.checkedId() - 1
        if cnum == -1:
            num += 1
        else:
            points = np.where(self.classes.key_pos == cnum)[0]
            index = np.searchsorted(points, num, side='left')
            if num in points:
                index += 1
            if index > len(points) - 1:
                index = len(points) - 1
            num = points[index]

        if num < self.parent.num_frames:
            self.numstr.setText(str(num))
            self.plot_frame()