add rust version of point3d_ui_radius

docs/snippets/all/archetypes/point3d_ui_radius.py

@@ -1,12 +1,12 @@
-"""Log some points with ui & world-space radii."""
+"""Log some points with ui points & scene unit radii."""
 
 import rerun as rr
 
 rr.init("rerun_example_points3d_ui_radius", spawn=True)
 
-# Two blue points with world-space radii of 0.1 and 0.3.
+# Two blue points with scene unit radii of 0.1 and 0.3.
 rr.log(
-    "world_sized_points",
+    "scene_unit_points",
     rr.Points3D(
         [[0, 1, 0], [1, 1, 1]],
         # By default, radii are interpreted as world-space units.
@@ -15,11 +15,11 @@
     ),
 )
 
-# Two red points with ui radii of 40 and 60.
-# Ui units are independent of zooming in Views, but are sensitive to the application ui scaling.
-# For 100% ui scaling, ui units are equal to pixels.
+# Two red points with ui point radii of 40 and 60.
+# Ui points are independent of zooming in Views, but are sensitive to the application ui scaling.
+# For 100% ui scaling, ui points are equal to pixels.
 rr.log(
-    "ui_sized_points",
+    "ui_points_points",
     rr.Points3D(
         [[0, 0, 0], [1, 0, 1]],
         # rr.Radius.ui_points produces radii that the viewer interprets as given in ui units.

docs/snippets/all/archetypes/point3d_ui_radius.rs

@@ -1,14 +1,30 @@
-//! Log some very simple points.
+//! Log some points with ui points & scene unit radii.
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
     let rec = rerun::RecordingStreamBuilder::new("rerun_example_points3d_ui_radius").spawn()?;
 
+    // Two blue points with scene unit radii of 0.1 and 0.3.
     rec.log(
-        "points",
-        &rerun::Points3D::new([(0.0, 0.0, 0.0), (1.0, 1.0, 1.0)]),
-    )?;
+        "scene_unit_points",
+        &rerun::Points3D::new([(0.0, 1.0, 0.0), (1.0, 1.0, 1.0)])
+            // By default, radii are interpreted as world-space units.
+            .with_radii([0.1, 0.3])
+            .with_colors([rerun::Color::from_rgb(0, 0, 255)]),
+    );
+
+    // Two red points with ui point radii of 40 and 60.
+    // Ui points are independent of zooming in Views, but are sensitive to the application ui scaling.
+    // For 100% ui scaling, ui points are equal to pixels.
+    rec.log(
+        "ui_points_points",
+        &rerun::Points3D::new([(0.0, 0.0, 0.0), (1.0, 0.0, 1.0)])
+            // rr.Radius.ui_points produces radii that the viewer interprets as given in ui units.
+            .with_radii([
+                rerun::Radius::new_ui_points(40.0),
+                rerun::Radius::new_ui_points(60.0),
+            ])
+            .with_colors([rerun::Color::from_rgb(255, 0, 0)]),
+    );
 
     Ok(())
 }
-
-// TODO: unfinished