From 492a4b3196d9fddcc994dfb7e073e62e136184cd Mon Sep 17 00:00:00 2001
From: milovann <mil01@free.fr>
Date: Sat, 22 Nov 2025 20:07:19 +0100
Subject: [PATCH] plane.ifcx

---
 viewer/src/utils/python/.gitignore         |   1 +
 viewer/src/utils/python/Makefile           |   4 +-
 viewer/src/utils/python/calc_properties.py |   1 +
 viewer/src/utils/python/hack.py            | 131 ++++++++++++++++-----
 4 files changed, 106 insertions(+), 31 deletions(-)
 create mode 100644 viewer/src/utils/python/.gitignore

diff --git a/viewer/src/utils/python/.gitignore b/viewer/src/utils/python/.gitignore
new file mode 100644
index 0000000..742b2ff
--- /dev/null
+++ b/viewer/src/utils/python/.gitignore
@@ -0,0 +1 @@
+*.ifcx
diff --git a/viewer/src/utils/python/Makefile b/viewer/src/utils/python/Makefile
index 457256c..2f98e11 100644
--- a/viewer/src/utils/python/Makefile
+++ b/viewer/src/utils/python/Makefile
@@ -9,7 +9,9 @@ run-calc-properties:
 	uv run calc_properties.py ../../../example/hello-wall.ifcx > out-props.ifcx
 run-hack:
 	clear
-	uv run hack.py ../../../example/hello-wall.ifcx
+	uv run hack.py ../../../example/hello-wall.ifcx > plane.ifcx
+	#uv run hack.py ../../../example/hello-wall.ifcx
+	cp plane.ifcx ~/Bureau/test/
 
 
 
diff --git a/viewer/src/utils/python/calc_properties.py b/viewer/src/utils/python/calc_properties.py
index 4f95eba..64216b4 100644
--- a/viewer/src/utils/python/calc_properties.py
+++ b/viewer/src/utils/python/calc_properties.py
@@ -2,6 +2,7 @@ import itertools
 import json
 import sys
 import numpy as np
+import uuid
 
 obj = json.load(open(sys.argv[1]))
 
diff --git a/viewer/src/utils/python/hack.py b/viewer/src/utils/python/hack.py
index 5410c8e..ae8f0d4 100644
--- a/viewer/src/utils/python/hack.py
+++ b/viewer/src/utils/python/hack.py
@@ -2,43 +2,114 @@ import itertools
 import json
 import sys
 import numpy as np
+import uuid
+
+debug = False
 
 # Load file
 obj = json.load(open(sys.argv[1]))
 
-def volume(data):
-    indices = np.array(data["faceVertexIndices"], dtype=int)
-    points = np.array(data["points"], dtype=float)
-    ref = points.mean(axis=0)
-    vol = 0.0
-    for i in range(0, len(indices), 3):
-        a = points[indices[i    ]] - ref
-        b = points[indices[i + 1]] - ref
-        c = points[indices[i + 2]] - ref
-        vol += np.dot(np.cross(a, b), c) / 6.0
-    return vol
+# New file
+model = {}
 
-def height(data):
-    points = np.array(data["points"], dtype=float)
-    return points[:,2].max() - points[:,2].min()
+def show_nodes():
+    for item in obj:
+        if item == "header":
+            if debug: print("HEADER")
+            model["header"] = {}
+            for data in obj[item]:
+                if debug: print(" ", data, ":", obj[item][data])
+                model["header"][data] = obj[item][data]
+        elif item == "imports":
+            if debug: print("IMPORTS")
+            model["imports"] = {}
+            lst = []
+            for data in obj[item]:
+                if debug: print(" ", data)
+                lst.append(obj[item][1])
+            model["imports"] = obj[item]
+        elif item == "schemas":
+            model["schemas"] = obj[item]
+            if debug: print("SCHEMAS")
+            for data in obj[item]:
+                if debug: print(" ", data)
+        elif item == "data":
+            if debug: print("DATA")
+            for data in obj[item]:
+                #print(" ", data)
+                for d in data:
+                    if d == "attributes":
+                        #print(d,data[d])
+                        pass
+        else:
+            print(item)
+
+def add_site(site_ref):
+    ref = str(uuid.uuid4())
+    site = {
+        "path" : ref,
+        "children" : {
+            "Site" : site_ref
+        }
+    }
+    return site,ref
+
+def add_plane():
+
+    ref = str(uuid.uuid4())
+    mesh = {
+        "faceVertexIndices" : [0,1,2,0,2,3],
+        "points" : [
+            [0,0,0],
+            [10,0,0],
+            [10,10,0],
+            [0,10,0],
+        ]
+    }
+
+    plane = {
+        "path" : ref,
+        "attributes" : {
+            "usd::usdgeom::mesh": mesh
+        }
+    }
+
+    return plane,ref
+
+def generate():
+    ostream = None
+    try:
+        ostream = open(sys.argv[2], 'w')
+    except: 
+        ostream = sys.stdout
+
+    items = []
+
+    plane, plane_id = add_plane()
+    items.append(plane)
+
+    site, site_id = add_site(plane_id)
+    items.append(site)
+
+    model["data"] = items
+
+    json.dump(model, ostream, indent=2)
+
+    if debug: print("MODEL")
+    if debug: print(model)
 
 
-# Parents
-parents = dict(itertools.chain.from_iterable(([(c, o['path']) for k, c in o['children'].items() if k != 'Void'] for o in obj['data'] if o.get('children'))))
+def show_meshes():
+    for d in [d for d in list(obj['data']) if d.get('attributes', {}).get('usd::usdgeom::mesh')]:
+        mesh = d['attributes']['usd::usdgeom::mesh']
+        print("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@")
+        print("FACES")
+        print(mesh['faceVertexIndices'])
+        print("VERTICES")
+        print(mesh['points'])
 
-# Meshes
-for d in [d for d in list(obj['data']) if d.get('attributes', {}).get('usd::usdgeom::mesh')]:
-    mesh = d['attributes']['usd::usdgeom::mesh']
-    print("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@")
-    print("FACES")
-    print(mesh['faceVertexIndices'])
-    print("VERTICES")
-    print(mesh['points'])
 
-ostream = None
-try:
-    ostream = open(sys.argv[2], 'w')
-except: 
-    ostream = sys.stdout
+show_nodes()
+generate()
+#show_meshes()
 
-#json.dump(obj, ostream, indent=2)