Some of the properties also need truncation

Author: mfedderly

packages/turf-directional-mean/test.ts

@@ -3,7 +3,7 @@ import path from "path";
 import { fileURLToPath } from "url";
 import { loadJsonFileSync } from "load-json-file";
 import { writeJsonFileSync } from "write-json-file";
-import { directionalMean } from "./index.js";
+import { directionalMean, DirectionalMeanLine } from "./index.js";
 import { truncate } from "@turf/truncate";
 
 const __dirname = path.dirname(fileURLToPath(import.meta.url));
@@ -45,28 +45,28 @@ test("turf-directional-mean", (t) => {
     planar: true,
     segment: false,
   });
-  truncate(utmResult1, { mutate: true, precision: 8 });
+  trunc(utmResult1);
   t.deepEqual(utmResult1, loadJsonFileSync(outUtmJsonPath1), "utm");
   // utm segment
   let utmResult2 = directionalMean(utmGeojson, {
     planar: true,
     segment: true,
   });
-  truncate(utmResult2, { mutate: true, precision: 8 });
+  trunc(utmResult2);
   t.deepEqual(utmResult2, loadJsonFileSync(outUtmJsonPath2), "utm segment");
 
   // gps
   let gpsResult1 = directionalMean(gpsGeojson, {
     planar: false,
   });
-  truncate(gpsResult1, { mutate: true, precision: 8 });
+  trunc(gpsResult1);
   t.deepEqual(gpsResult1, loadJsonFileSync(outGpsJsonPath1), "gps");
   // gps segment
   let gpsResult2 = directionalMean(gpsGeojson, {
     planar: false,
     segment: true,
   });
-  truncate(gpsResult2, { mutate: true, precision: 8 });
+  trunc(gpsResult2);
   t.deepEqual(gpsResult2, loadJsonFileSync(outGpsJsonPath2), "gps segment");
 
   if (process.env.REGEN) {
@@ -78,3 +78,18 @@ test("turf-directional-mean", (t) => {
 
   t.end();
 });
+
+function trunc(d: DirectionalMeanLine) {
+  truncate(d, { mutate: true, precision: 8 });
+
+  const f = Math.pow(10, 10);
+  const props: (keyof typeof d.properties)[] = [
+    "cartesianAngle",
+    "bearingAngle",
+    "circularVariance",
+  ];
+
+  for (const k of props) {
+    d.properties[k] = Math.round(d.properties[k] * f) / f;
+  }
+}

packages/turf-directional-mean/test/out/bus_route_gps1.json

@@ -4,9 +4,9 @@
     "averageLength": 24840.40218696326,
     "averageX": 114.0481498585655,
     "averageY": 22.6359322404607,
-    "bearingAngle": 152.4762364581471,
-    "cartesianAngle": -62.47623645814709,
-    "circularVariance": 0.9560327266298566,
+    "bearingAngle": 152.4762364581,
+    "cartesianAngle": -62.4762364581,
+    "circularVariance": 0.9560327266,
     "countOfLines": 539
   },
   "geometry": {

packages/turf-directional-mean/test/out/bus_route_gps2.json

@@ -4,9 +4,9 @@
     "averageLength": 48.42971829319359,
     "averageX": 114.06007706366387,
     "averageY": 22.632852642469093,
-    "bearingAngle": 126.93706469094448,
-    "cartesianAngle": -36.937064690944474,
-    "circularVariance": 0.9946441590238698,
+    "bearingAngle": 126.9370646909,
+    "cartesianAngle": -36.9370646909,
+    "circularVariance": 0.994644159,
     "countOfLines": 276462
   },
   "geometry": {

packages/turf-directional-mean/test/out/bus_route_utm1.json

@@ -4,9 +4,9 @@
     "averageLength": 24865.8833845794,
     "averageX": 813350.6889736726,
     "averageY": 2506449.133536962,
-    "bearingAngle": 152.504692687896,
-    "cartesianAngle": -62.504692687896025,
-    "circularVariance": 0.9540978955813745,
+    "bearingAngle": 152.5046926879,
+    "cartesianAngle": -62.5046926879,
+    "circularVariance": 0.9540978956,
     "countOfLines": 538
   },
   "geometry": {

packages/turf-directional-mean/test/out/bus_route_utm2.json

@@ -4,9 +4,9 @@
     "averageLength": 48.416925614400036,
     "averageX": 814546.9056864326,
     "averageY": 2506121.0821411484,
-    "bearingAngle": 125.92398812851624,
-    "cartesianAngle": -35.92398812851625,
-    "circularVariance": 0.9946649189247785,
+    "bearingAngle": 125.9239881285,
+    "cartesianAngle": -35.9239881285,
+    "circularVariance": 0.9946649189,
     "countOfLines": 276462
   },
   "geometry": {