def test_save_image():
img1 = readsis.read('img/PIC1.sis').astype(np.int_)
img2 = readsis.read('img/PIC2.sis').astype(np.int_)
img3 = readsis.read('img/PIC3.sis').astype(np.int_)
d = calc_img(img1, img2, img3)
img_trans = d['transmission']
save_trans_img('img/test_transmission.png', d)
save_trans_img('img/test_transmission.png', d)
save_raw_img('img/test_PIC1.png', img1)
def convert_png_writer(sisfilename, pngfilename):
import png_writer
img = readsis.read(sisfilename)
png_writer.PngWriter(pngfilename, img,
transparent = 0,
significant_bits = 13,
compression = 1,
metadata = {'Author': 'Gregor Thalhammer',
'Title': 'absorption image',
'Software': 'sistopng',
'Source': 'SIS285',
'image type': 'optical density',
'scale optical density': 1000,
'format version': 1},
)
def convert_PIL(sisfilename, pngfilename):
img = readsis.read(sisfilename)
img_pil = Image.fromstring('I', (img.shape[1], img.shape[0]), img.tostring(), 'raw', 'I;16N', 0, 1)
img_pil.save(pngfilename, bits=16)
print sisfilename, 'converted'
