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For convenience, a set of "Image Sync" API methods is available to find corresponding position between SectionDataSets, the 3-D reference model and structures. Note that all locations on SectionImages are reported in pixel coordinates and all locations in 3-D ReferenceSpaces are reported in microns. These methods are used by the Web application to provide the image synchronization feature in the multiple image viewer (see Figure). Its usage is also demonstrated in the "Image Sync" example application. 

Examples:

• Fetch alignment transforms parameters for the sagittal Pdyn SectionDataSet
• Sync a location between the sagittal and coronal Pdyn SectionDataSets

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% Download and unzip the energy grid file for Pdyn SectionDataSet

% 200 micron volume size
sizeGrid = [67 41 58];
% ENERGY = 3-D matrix of expression energy grid volume
fid = fopen('Pdyn_P56_coronal_71717084/energy.raw', 'r', 'l' );
ENERGY = fread( fid, prod(sizeGrid), 'float' );
fclose( fid );
ENERGY = reshape(ENERGY,sizeGrid);

% Display one coronal and one sagittal section
figure;imagesc(squeeze(ENERGY(34,:,:)));colormap(gray);
figure;imagesc(squeeze(ENERGY(:,:,28)));colormap(gray);

Usage of expression grid data and associated structural annotation is also demonstrated in "expression fold change" and "expression visualization" example applications. 

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ExpressionStructures ExpressionStructures

Structure Unionization

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StructureUnionize data is used in the web application to display expression summary bar graphs for a set of coarse structures. Its usage is also demonstrated in the "structure networks" example application. 

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SearchServices SearchServices

Expression Grid Search Service

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