initial commit

ptycho/+scans/read_positions.m

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+%READ_POSITIONS load positions
+function p = read_positions(p)
+import utils.verbose
+
+% check for continuous scan
+p.scan.is_cont = false;
+
+% Variables for all scans
+p.positions_real = [];
+p.positions_orig = [];
+
+
+% read position data
+if ~isfield(p,'src_positions') || isempty(p.src_positions)
+    error(' p.src_positions is not set')
+end
+
+% load the positions from a provided function if possible 
+position_func = str2func(sprintf('scans.positions.%s', p.src_positions));
+p = position_func(p);
+
+
+scanfirstindex = [1 cumsum(p.numpts)+1]; % First index for scan number
+for ii = 1:p.numscans
+    p.scanindexrange(ii,:) = [scanfirstindex(ii) scanfirstindex(ii+1)-1];
+    p.scanidxs{ii} = p.scanindexrange(ii,1):p.scanindexrange(ii,end); 
+end
+
+p.positions_orig = p.positions_real;
+%size(p.positions_orig)
+%scatter(p.positions_orig(:,1),p.positions_orig(:,2),'x')
+
+end