From d47dc4e4e291137dc1bf973e0f0883e6eedab7bb Mon Sep 17 00:00:00 2001
From: Stewart Allen <stewart.allen@gmail.com>
Date: Wed, 9 Jul 2025 11:56:46 -0400
Subject: [PATCH] fix threading detection in cam slicer, rename slicer2 to
 slicer_topo for clarity

---
 src/kiri-mode/cam/slicer.js                      | 2 +-
 src/kiri-mode/cam/{slicer2.js => slicer_topo.js} | 1 +
 src/kiri-mode/cam/topo3.js                       | 2 +-
 src/kiri-mode/cam/topo4.js                       | 2 +-
 src/kiri-run/minion.js                           | 4 ++--
 5 files changed, 6 insertions(+), 5 deletions(-)
 rename src/kiri-mode/cam/{slicer2.js => slicer_topo.js} (99%)

diff --git a/src/kiri-mode/cam/slicer.js b/src/kiri-mode/cam/slicer.js
index eca790ec..28ce2f8e 100644
--- a/src/kiri-mode/cam/slicer.js
+++ b/src/kiri-mode/cam/slicer.js
@@ -28,7 +28,7 @@ export class Slicer {
         this.setOptions(options);
 
         if (widget) {
-            this.threaded = widget.settings.controller.threaded;
+            this.threaded = this.minions && this.minions.running;
             this.setPoints(widget.getGeoVertices({ unroll: true, translate: true }));
             this.computeFeatures();
         }
diff --git a/src/kiri-mode/cam/slicer2.js b/src/kiri-mode/cam/slicer_topo.js
similarity index 99%
rename from src/kiri-mode/cam/slicer2.js
rename to src/kiri-mode/cam/slicer_topo.js
index 5fb5c4a4..71ac46d6 100644
--- a/src/kiri-mode/cam/slicer2.js
+++ b/src/kiri-mode/cam/slicer_topo.js
@@ -6,6 +6,7 @@ import { newOrderedLine } from '../../geo/line.js';
 
 const { config } = base;
 
+/** Slicer used in Topo3 and Topo4 to find contour lines */
 export class Slicer {
 
     static intersectPoints = intersectPoints;
diff --git a/src/kiri-mode/cam/topo3.js b/src/kiri-mode/cam/topo3.js
index 0db88414..be11b92a 100644
--- a/src/kiri-mode/cam/topo3.js
+++ b/src/kiri-mode/cam/topo3.js
@@ -4,7 +4,7 @@ import { codec } from '../../kiri/codec.js';
 import { newPoint } from '../../geo/point.js';
 import { newPolygon } from '../../geo/polygon.js';
 import { newSlice } from '../../kiri/slice.js';
-import { Slicer as topo_slicer } from './slicer2.js';
+import { Slicer as topo_slicer } from './slicer_topo.js';
 import { polygons as POLY } from '../../geo/polygons.js';
 import { Tool } from './tool.js';
 
diff --git a/src/kiri-mode/cam/topo4.js b/src/kiri-mode/cam/topo4.js
index 8a345afe..bd4d1202 100644
--- a/src/kiri-mode/cam/topo4.js
+++ b/src/kiri-mode/cam/topo4.js
@@ -5,7 +5,7 @@ import { newPoint } from '../../geo/point.js';
 import { newPolygon } from '../../geo/polygon.js';
 import { sliceConnect } from '../../geo/slicer.js';
 import { Tool } from './tool.js';
-import { Slicer as topo_slicer } from './slicer2.js';
+import { Slicer as topo_slicer } from './slicer_topo.js';
 
 const RAD2DEG = 180 / Math.PI;
 const DEG2RAD = Math.PI / 180;
diff --git a/src/kiri-run/minion.js b/src/kiri-run/minion.js
index e6ac8ade..33645f0c 100644
--- a/src/kiri-run/minion.js
+++ b/src/kiri-run/minion.js
@@ -7,13 +7,13 @@ import '../add/class.js';
 import '../add/three.js';
 
 import { base } from '../geo/base.js';
-import { codec, encode } from '../kiri/codec.js';
+import { codec, encode, encodePointArray } from '../kiri/codec.js';
 import { doTopShells } from '../kiri-mode/fdm/post.js';
 import { newPoint } from '../geo/point.js';
 import { polygons as POLY } from '../geo/polygons.js';
 import { sliceZ } from '../geo/slicer.js';
 import { Slicer as cam_slicer } from '../kiri-mode/cam/slicer.js';
-import { Slicer as topo_slicer } from '../kiri-mode/cam/slicer2.js';
+import { Slicer as topo_slicer } from '../kiri-mode/cam/slicer_topo.js';
 import { Probe, Trace, raster_slice } from '../kiri-mode/cam/topo3.js';
 import { wasm_ctrl } from '../geo/wasm.js';