June 2018 Update

Task/Bitmap-Read-a-PPM-file/Julia/bitmap-read-a-ppm-file.julia

@@ -1,13 +1,5 @@
-using Color, Images, FixedPointNumbers
+using Images, FileIO, Netpbm
 
-const M_RGB_Y = reshape(Color.M_RGB_XYZ[2,:], 3)
-
-function rgb2gray(img::Image)
-    g = red(img)*M_RGB_Y[1] + green(img)*M_RGB_Y[2] + blue(img)*M_RGB_Y[3]
-    g = clamp(g, 0.0, 1.0)
-    return grayim(g)
-end
-
-ima = imread("bitmap_read_ppm_in.ppm")
-imb = convert(Image{Gray{Ufixed8}}, ima)
-imwrite(imb, "bitmap_read_ppm_out.png")
+rgbimg = load("data/bitmapInputTest.ppm")
+greyimg = Gray.(rgbimg)
+save("data/bitmapOutputTest.ppm", greyimg)