GUI for finger v1

examples/viz/render_2d.py

@@ -0,0 +1,35 @@
+"""Pure numpy→BGR render helpers for finger 2D panels (no window I/O)."""
+
+from __future__ import annotations
+
+import orisys
+
+from .opencv_maps import depth_colormap
+
+
+def render_depth_panel(depth_map):
+    """Return a BGR depth colormap image."""
+    return depth_colormap(depth_map)
+
+
+def render_uv_arrows(
+    unrolled,
+    vnormal,
+    *,
+    flow_threshold: float = 0.4,
+    grid_spacing: int = 20,
+    arrow_scale: float = 1.0,
+):
+    """Return a BGR image with UV unrolled flow arrows."""
+    return orisys.util.draw_arrows(
+        unrolled,
+        vnormal,
+        threshold=flow_threshold,
+        grid_spacing=grid_spacing,
+        arrow_scale=arrow_scale,
+    )
+
+
+def render_contact_panel(img, contour, centroid):
+    """Return a BGR contact overlay on the raw sensor image."""
+    return orisys.util.draw_contact(img, contour, centroid)