% -------------------------------
%
% Download a NRRD reader
% For example:
% http://www.mathworks.com/matlabcentral/fileexchange/34653-nrrd-format-file-reader
%
% Requires: MATLAB 7.13 (R2011b)
%
% Download average_template_25.nrrd,
%          ara_nissl_25.nrrd,
%          ccf_2015/annotation_25.nrrd
%
% ---------------------------------

%
% Read image volume with NRRD reader
% Note that reader swaps the order of the first two axes
%
% AVGT = 3-D matrix of average_template
% NISSL = 3-D matrix of ara_nissl
% ANO = 3-D matrix of ccf_2015/anntotation
%
[AVGT, metaAVGT] = nrrdread('average_template_25.nrrd');
[NISSL, metaNISSL] = nrrdread('ara_nissl_25.nrrd');
[ANO, metaANO] = nrrdread('annotation_25.nrrd');


% Display one coronal section
figure;imagesc(squeeze(AVGT(:,264,:)));colormap(gray(256)); axis equal;
figure;imagesc(squeeze(NISSL(:,264,:)));colormap(gray(256)); axis equal;
figure;imagesc(squeeze(ANO(:,264,:)));
caxis([1,2000]); colormap(lines(256)); axis equal;

% Display one sagttial section
figure;imagesc(squeeze(AVGT(:,:,220)));colormap(gray(256)); axis equal;
figure;imagesc(squeeze(NISSL(:,:,220)));colormap(gray(256)); axis equal;
figure;imagesc(squeeze(ANO(:,:,220)));
caxis([1,2000]); colormap(lines(256)); axis equal;