no mdsplus from AUG to AUG, and add nth sxr point option

git-svn-id: https://spcsvn.epfl.ch/repos/TCV/gdat/trunk@1880 d63d8f72-b253-0410-a779-e742ad2e26cf

AUG/loadAUGdata.m

@@ -296,6 +296,11 @@ switch AUGkeywrdcase{index}
     else
       timerange=[1 7];
     end
+    if  nargin>=7 & ~isempty(varargin{5})
+      nth=varargin{5};
+    else
+      nth=13;
+    end
     trace.t=[];
     trace.x=[];
     ppftype='SXR';
@@ -308,7 +313,6 @@ switch AUGkeywrdcase{index}
     trace.units='W/m^2';
     trace.name=[num2str(shot) '/' ppftype '/' tracename];
     % keep only nth points
-    nth=13;
     trace.t=trace.t(1:nth:end);
     trace.data=trace.data(:,1:nth:end);
     trace.dim{2}=trace.t;

gdat.m

@@ -112,6 +112,8 @@ machine='TCV';
 a=which('sawteeth');
 if ~isempty(findstr('ipp',a)) | ~isempty(findstr('/u/osauter',a));
   machine='AUG';
+  global usemdsplus; % so far from AUG, do not use mdsplus
+  usemdsplus=0;
 elseif ~isempty(findstr('/home/osauter',a));
   machine='JET';
 end