diff --git a/zUtil_Cryst/readCif.m b/zUtil_Cryst/gtReadCif.m
similarity index 98%
rename from zUtil_Cryst/readCif.m
rename to zUtil_Cryst/gtReadCif.m
index f752bdc94944314a9c7ce124a36e635f3b477617..6afe703dea8e13863c2cb874409de1920e22b9c7 100644
--- a/zUtil_Cryst/readCif.m
+++ b/zUtil_Cryst/gtReadCif.m
@@ -1,4 +1,4 @@
-function cif=readCif(name)
+function cif=gtReadCif(name)
 
 latticepar=readCifLattice(name);
 op=readCifSymmetry(name);
diff --git a/zUtil_Cryst/readSpaceGroup.m b/zUtil_Cryst/gtReadSpaceGroup.m
similarity index 74%
rename from zUtil_Cryst/readSpaceGroup.m
rename to zUtil_Cryst/gtReadSpaceGroup.m
index bae311b1d69947b0d2ed1833de9420d6499359d7..7f11b5cc5ebdb26b1e2d5df6d79daa5ccc288693 100644
--- a/zUtil_Cryst/readSpaceGroup.m
+++ b/zUtil_Cryst/gtReadSpaceGroup.m
@@ -1,7 +1,7 @@
-function [herm,table]=readSpaceGroup(sg)
-% FUNCTION READSPACEGROUP  Read the spacegroup and give the hermann_maugui symbol
-% READSPACEGROUP
-%     [herm,[table]]=readSpaceGroup(sg)
+function [herm,table]=gtReadSpaceGroup(sg)
+% FUNCTION GTREADSPACEGROUP  Read the spacegroup and give the hermann_maugui symbol
+% GTREADSPACEGROUP
+%     [herm,[table]]=gtReadSpaceGroup(sg)
 %     INPUT:
 %            sg = spacegroup to look at <double>
 %     OUTPUT:
diff --git a/zUtil_Optimization/gtCalculateDist.m b/zUtil_Optimization/gtCalculateDist.m
index 5e542d563a8f297af536df8d315d3b7e2d215d6a..873d7719dfe6d2c8590a63b0884462264265e203 100644
--- a/zUtil_Optimization/gtCalculateDist.m
+++ b/zUtil_Optimization/gtCalculateDist.m
@@ -37,7 +37,7 @@ else
 end
         
 if ~isfield(parameters.acq,'hermann_mauguin')
-   hermann=readSpaceGroup(spacegroup); 
+   hermann=gtReadSpaceGroup(spacegroup); 
 end
 
 % calculate twotheta (twoth) for different spacegroups