tutorial v0

README.md

@@ -1,6 +1,6 @@
 ---
 title: Interactive Pipe Tutorial
-emoji: 🐠
+emoji: 🎓
 colorFrom: green
 colorTo: indigo
 sdk: gradio

app.py

@@ -0,0 +1,64 @@
+from interactive_pipe import interactive_pipeline, interactive
+from interactive_pipe import Curve, SingleCurve
+import numpy as np
+
+
+@interactive(frequency=(80, [1, 100]), isotropy=(0.8, [0.1, 1.]))
+def gen_color(frequency=0, isotropy=0.):
+    lin_coord = np.linspace(0, 1., 256)
+    X, Y = np.meshgrid(lin_coord, isotropy*lin_coord)
+    radius = 0.5+0.5*np.cos(frequency*np.sqrt(X**2 + Y**2))
+    return np.stack([np.abs(X), np.abs(Y), radius], axis=-1).clip(0, 1)
+
+
+@interactive(effect=("flip", ["flip", "mirror", "flip+mirror", "identity"]))
+def modify_geometry(img, effect="flip"):
+    img = img[::-1] if "flip" in effect else img
+    img = img[:, ::-1] if "mirror" in effect else img
+    return img
+
+
+@interactive(bnw=(True, "Black and White"))
+def change_color(img, bnw=True):
+    if bnw:
+        return np.mean(img, axis=-1, keepdims=True).repeat(3, axis=-1)
+    return img
+
+
+@interactive(ratio=(0.5, [0., 1.], "Side by Side comparison"))
+def split(img_1, img_2, ratio=0.5):
+    out = np.zeros_like(img_1)
+    split = int(ratio*img_1.shape[1])
+    out[:, :split] = img_2[:, :split]
+    out[:, split+5:] = img_1[:, split+5:]
+    return out
+
+
+def profile(img):
+    luma = img.mean(axis=-1)
+    h_profile = SingleCurve(y=luma[0, :], label="H profile")
+    v_profile = SingleCurve(y=luma[:, 0], label="V profile")
+    return Curve([h_profile, v_profile], xlabel="Position", ylabel="Luminance")
+
+
+markdown_description = "# Code to build this app on gradio \n"
+markdown_description += "```python\n"+open(__file__, 'r').read()+"```"
+
+
+@ interactive_pipeline(
+    gui="gradio",
+    # gui="qt",
+    cache=True,
+    markdown_description=markdown_description
+)
+def simple_pipe():
+    inp = gen_color()
+    out_geometry = modify_geometry(inp)
+    out_bnw = change_color(inp)
+    out_image = split(out_geometry, out_bnw)
+    out_profile = profile(out_image)
+    return [inp, out_geometry, out_profile, out_image]
+
+
+if __name__ == "__main__":
+    simple_pipe()

requirements.txt

@@ -0,0 +1 @@
+interactive-pipe>=0.7.4