update 3d viewer to display deform instead of arrows

tools/patch_generation/patchgen_DD01 checker.py

@@ -0,0 +1,46 @@
+#%%
+import numpy as np
+import cv2
+
+
+def generate_checker_pattern(height, width, patch_size):
+    """
+    Generate a black-and-white checkerboard pattern.
+
+    Each `patch_size x patch_size` block alternates between black and white.
+    Partial blocks at the image borders are also filled correctly.
+    """
+    pattern = np.zeros((height, width, 3), dtype=np.uint8)
+
+    num_patches_x = (height + patch_size - 1) // patch_size
+    num_patches_y = (width + patch_size - 1) // patch_size
+
+    for i in range(num_patches_x):
+        for j in range(num_patches_y):
+            color = 255 if (i + j) % 2 == 0 else 0
+            y0 = i * patch_size
+            y1 = min((i + 1) * patch_size, height)
+            x0 = j * patch_size
+            x1 = min((j + 1) * patch_size, width)
+            pattern[y0:y1, x0:x1] = color
+            print("Patch ({}, {}) -> {}".format(i, j, "white" if color == 255 else "black"))
+
+    return pattern
+
+
+def main():
+    height = 1200
+    width = 1000
+    patch_size = 12
+
+    pattern = generate_checker_pattern(height, width, patch_size)
+
+    cv2.imshow("Checker Pattern", pattern)
+    cv2.waitKey(0)
+    cv2.destroyAllWindows()
+
+    cv2.imwrite("checker_pattern.png", pattern)
+
+
+if __name__ == '__main__':
+    main()