pixels = zeros('f', width * height)
for i in xrange(len(pixels)):
pixels[i] = random()
fp = FloatProcessor(width, height, pixels, None)
imp = ImagePlus("Random", fp)
# Fill a rectangular region of interest
# with a value of 2:
roi = Roi(400, 200, 400, 300)
fp.setRoi(roi)
fp.setValue(2.0)
fp.fill()
# Fill a polygonal region of interest
# with a value of -3
xs = [234, 174, 162, 102, 120, 123, 153, 177, 171,
60, 0, 18, 63, 132, 84, 129, 69, 174, 150,
183, 207, 198, 303, 231, 258, 234, 276, 327,
378, 312, 228, 225, 246, 282, 261, 252]
ys = [48, 0, 60, 18, 78, 156, 201, 213, 270, 279,
336, 405, 345, 348, 483, 615, 654, 639, 495,
444, 480, 648, 651, 609, 456, 327, 330, 432,
408, 273, 273, 204, 189, 126, 57, 6]
proi = PolygonRoi(xs, ys, len(xs), Roi.POLYGON)
fp.setRoi(proi)
fp.setValue(-3)
fp.fill(proi.getMask()) # Attention!
imp.show()
fp = FloatProcessor(width, height, pixels, None)
roi = Roi(400, 200, 400, 300) # Roi(int x, int y, int width, int height)
fp.setRoi(roi)
fp.setValue(2.0)
fp.fill()
imp2 = ImagePlus("Rectangle", fp)
imp2.show()
# Polygon ROI를 -3으로 채우기
fp = FloatProcessor(width, height, pixels, None)
xs = [
234, 174, 162, 102, 120, 123, 153, 177, 171, 60, 0, 18, 63, 132, 84, 129,
69, 174, 150, 183, 207, 198, 303, 231, 258, 234, 276, 327, 378, 312, 228,
225, 246, 282, 261, 252
]
ys = [
48, 0, 60, 18, 78, 156, 201, 213, 270, 279, 336, 405, 345, 348, 483, 615,
654, 639, 495, 444, 480, 648, 651, 609, 456, 327, 330, 432, 408, 273, 273,
204, 189, 126, 57, 6
]
proi = PolygonRoi(
xs, ys, len(xs), Roi.POLYGON
) # PolygonRoi(float[] xPoints, float[] yPoints, int nPoints, int type)
fpp = fp
fpp.setRoi(proi)
fpp.setValue(-3)
fpp.fill(proi.getMask())
imp3 = ImagePlus("Polygon", fpp)
imp3.show()
