Surfaces are occasionally missed. #42

Reverting back to occt version 7.6.1.

README.md

@@ -32,7 +32,7 @@ All functions have two parameters:
 - `params`: Triangulation parameters as an object, can be `null`.
   - `linearUnit`: Defines the linear unit of the output. Possible values: `millimeter`, `centimeter`, `meter`, `inch`, `foot`. Default is `millimeter`. Has no effect on brep files.
   - `linearDeflectionType`: Defines what the linear deflection value means. Default is `bounding_box_ratio`. Possible values:
-    - `bounding_box_ratio`: The `linearDeflection` value contains a ratio of the avarage bounding box.
+    - `bounding_box_ratio`: The `linearDeflection` value contains a ratio of the average bounding box.
     - `absolute_value`: The `linearDeflection` value contains an absolute value in the unit defined by `linearUnit`.
   - `linearDeflection`: The linear deflection value based on the value of the `linearDeflectionType` parameter.
   - `angularDeflection`: The angular deflection value.

test/test.js

@@ -218,6 +218,24 @@ it ('cube-fcstd', function () {
     ]);
 });
 
+it ('conical-surface', function () {
+    let result = LoadStepFile ('./test/testfiles/conical-surface/conical-surface.step');
+    assert (result.success);
+    assert.deepStrictEqual (result.root, {
+        name : "",
+        meshes : [],
+        children : [
+            {
+                name : "(Unsaved)",
+                meshes : [ 0 ],
+                children : []
+            }
+        ]
+    });
+    assert.strictEqual (result.meshes.length, 1);
+    assert.equal (3954, result.meshes[0].index.array.length);
+});
+
 });
 
 describe ('Iges Import', function () {

test/testfiles/conical-surface/conical-surface.step

@@ -0,0 +1,249 @@
+ISO-10303-21;
+HEADER;
+/* Generated by software containing ST-Developer
+ * from STEP Tools, Inc. (www.steptools.com) 
+ */
+
+FILE_DESCRIPTION(
+/* description */ (''),
+/* implementation_level */ '2;1');
+
+FILE_NAME(
+/* name */ 'test2.step',
+/* time_stamp */ '2024-08-18T19:46:42-04:00',
+/* author */ (''),
+/* organization */ (''),
+/* preprocessor_version */ 'ST-DEVELOPER v20',
+/* originating_system */ 'Autodesk Translation Framework v13.14.0.145',
+
+/* authorisation */ '');
+
+FILE_SCHEMA (('AUTOMOTIVE_DESIGN { 1 0 10303 214 3 1 1 }'));
+ENDSEC;
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