Bathy to stl + porosity

olaflow/processing/stl.py

@@ -0,0 +1,18 @@
+import pathlib
+import shutil
+import subprocess
+import tempfile
+
+import numpy as np
+
+
+def stl_from_1d(data, output, scale=[1, 1, 1]):
+    with tempfile.TemporaryDirectory() as tmppath:
+        tmpdir = pathlib.Path(tmppath)
+        np.savetxt(tmpdir.joinpath("data.dat"), np.stack((data, data)))
+        with open(tmpdir.joinpath("scad"), "wt") as scad:
+            scad.write(f"""scale({scale})surface("data.dat");""")
+
+        subprocess.run(("openscad", "scad", "-o", "data.stl"), cwd=tmpdir)
+
+        shutil.copy2(tmpdir.joinpath("data.stl"), output)