From bc4eb4f6432b99a33d65cf401f546edcbabc611a Mon Sep 17 00:00:00 2001
From: Dealga McArdle <tetha.z@gmail.com>
Date: Sun, 16 May 2021 10:06:44 +0200
Subject: [PATCH 1/3] add file

---
 utils/modules/sdf_utils.py | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 utils/modules/sdf_utils.py

diff --git a/utils/modules/sdf_utils.py b/utils/modules/sdf_utils.py
new file mode 100644
index 000000000..9b66ef73b
--- /dev/null
+++ b/utils/modules/sdf_utils.py
@@ -0,0 +1,32 @@
+import numpy as np
+
+def geometry_from_points(points, mode="python"):
+    """
+    using sdf module from:  https://github.com/fogleman/sdf
+
+    f.ex:
+        f = sdf.sphere()
+        points = f.generate(samples=1200)   # higher is slower, but more precise.
+        geom = geometry_from_points(points, mode="np")
+
+        >>> geom.verts
+        >>> geom.tris
+
+    input:
+        points: the direct output from `f.generate()`
+        mode:   "np" (numpy), or "python"
+    output:
+        geom:   with a `.verts` atribute and `.tris`
+                verts and tris are output in numpy arrays if the mode is "np",
+                else standard python lists.
+    """
+
+    geom = lambda: None
+    num_points = len(points)
+    if mode == "python":
+        geom.verts = [plist.tolist() for plist in points]
+        geom.tris = np.arange(0, num_points, 1).reshape((-1, 3)).tolist()
+    elif mode == "np":
+        geom.verts = np.array(points)
+        geom.tris = np.arange(0, num_points, 1).reshape((-1, 3))
+    return geom
\ No newline at end of file
-- 
GitLab


From 5a58945f6e91ee8e398b2bf6af6e368f60494f4c Mon Sep 17 00:00:00 2001
From: Dealga McArdle <tetha.z@gmail.com>
Date: Sun, 16 May 2021 10:14:07 +0200
Subject: [PATCH 2/3] add description

---
 utils/modules/sdf_utils.py | 31 +++++++++++++++++++++++--------
 1 file changed, 23 insertions(+), 8 deletions(-)

diff --git a/utils/modules/sdf_utils.py b/utils/modules/sdf_utils.py
index 9b66ef73b..d2da6368a 100644
--- a/utils/modules/sdf_utils.py
+++ b/utils/modules/sdf_utils.py
@@ -4,14 +4,6 @@ def geometry_from_points(points, mode="python"):
     """
     using sdf module from:  https://github.com/fogleman/sdf
 
-    f.ex:
-        f = sdf.sphere()
-        points = f.generate(samples=1200)   # higher is slower, but more precise.
-        geom = geometry_from_points(points, mode="np")
-
-        >>> geom.verts
-        >>> geom.tris
-
     input:
         points: the direct output from `f.generate()`
         mode:   "np" (numpy), or "python"
@@ -19,8 +11,31 @@ def geometry_from_points(points, mode="python"):
         geom:   with a `.verts` atribute and `.tris`
                 verts and tris are output in numpy arrays if the mode is "np",
                 else standard python lists.
+
+    usage in snlite:
+
+        '''
+        in scale v
+        out verts v
+        out faces s
+        '''
+
+        from sdf import *
+        from sverchok.utils.modules.sdf_utils import geometry_from_points
+
+        f = box(2) & slab(z0=-0.5, z1=0.5).k(0.1)
+        f.scale((1, 0.5, 1))
+        f -= cylinder(0.25).circular_array(6, 0.6).k(0.05)
+
+        points = f.generate(samples=23200)
+
+        geom = geometry_from_points(points, mode="np")
+        verts.append(geom.verts)
+        faces.append(geom.tris)
+
     """
 
+
     geom = lambda: None
     num_points = len(points)
     if mode == "python":
-- 
GitLab


From d90df89afcb2c2355a4ca91cb061de28b4c527c9 Mon Sep 17 00:00:00 2001
From: Dealga McArdle <tetha.z@gmail.com>
Date: Sun, 16 May 2021 10:16:14 +0200
Subject: [PATCH 3/3] newline

---
 utils/modules/sdf_utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils/modules/sdf_utils.py b/utils/modules/sdf_utils.py
index d2da6368a..77eb84d74 100644
--- a/utils/modules/sdf_utils.py
+++ b/utils/modules/sdf_utils.py
@@ -44,4 +44,4 @@ def geometry_from_points(points, mode="python"):
     elif mode == "np":
         geom.verts = np.array(points)
         geom.tris = np.arange(0, num_points, 1).reshape((-1, 3))
-    return geom
\ No newline at end of file
+    return geom
-- 
GitLab