added a simple program to export files in .vdb format

.github/workflows/gh-ci.yaml

@@ -49,7 +49,7 @@ jobs:
 
     - name: install package deps
       run: |
-        micromamba install numpy scipy mrcfile pytest pytest-cov codecov
+        micromamba install numpy scipy mrcfile pytest pytest-cov codecov openvdb
 
     - name: check install
       run: |

AUTHORS

@@ -29,3 +29,4 @@ Contributors:
 * Andrés Montoya <conradolandia> (logo)
 * Rich Waldo <plethorachutney>
 * Pradyumn Prasad <Pradyumn-cloud>
+* Shreejan Dolai <spyke7>

CHANGELOG

@@ -12,12 +12,20 @@ The rules for this file:
     use tabs but use spaces for formatting
   * accompany each entry with github issue/PR number (Issue #xyz)
 
+------------------------------------------------------------------------------
+01/16/2026 IAlibay, ollyfutur, conradolandia, orbeckst, PlethoraChutney, 
+           Pradyumn-cloud, spyke7
 -------------------------------------------------------------------------------
-??/??/???? orbeckst
+??/??/???? orbeckst, spyke7
 
- * 1.1.1
+ * 1.2.0
 
- Fixes
+ Enhancements
+
+ * Added openVDB format exports (Issue #141, PR #148)
+
+
+  Fixes
 
 
 01/22/2026 IAlibay, ollyfutur, conradolandia, orbeckst, PlethoraChutney,
@@ -35,6 +43,7 @@ The rules for this file:
 
   Enhancements
 
+  * `Grid` now accepts binary operations with any operand that can be 
   * `Grid` now accepts binary operations with any operand that can be
     broadcasted to the grid's shape according to `numpy` broadcasting rules
     (PR #142)

doc/source/gridData/formats.rst

@@ -29,6 +29,7 @@ small number of file formats is directly supported.
    :mod:`~gridData.gOpenMol`    gOpenMol_   plt        x
    :mod:`~gridData.mrc`         CCP4_       ccp4,mrc   x      x      subset implemented
    :class:`~gridData.core.Grid` pickle      pickle     x      x      standard Python pickle of the Grid class
+   :mod:`~gridData.OpenVDB`     OpenVDB_    vdb               x      implemented for Blender visualization
    ============================ ==========  =========  =====  =====  =========================================
 
 
@@ -39,6 +40,7 @@ small number of file formats is directly supported.
 .. _OpenDX: http://www.opendx.org/
 .. _gOpenMol: http://www.csc.fi/gopenmol/
 .. _CCP4: http://www.ccpem.ac.uk/mrc_format/mrc2014.php
+.. _OpenVDB: https://www.openvdb.org/
 
 
 Format-specific modules
@@ -50,3 +52,4 @@ Format-specific modules
    formats/OpenDX
    formats/gOpenMol
    formats/mrc
+   formats/OpenVDB

doc/source/gridData/formats/OpenVDB.rst

@@ -0,0 +1,2 @@
+.. automodule:: gridData.OpenVDb
+