SelectSlicesMovie.vqs

This is an example of how to save a fly-through movie.

/**
 * This script can be used to save a fly-through movie of the currently 
 * loaded data set with user specified start and end slices.
 */
 
function saveCustomMovie(plane, outfile) {
    // If no output file is given, ask for one
    if (outfile === undefined) {
        outfile = VQ.getSavePath("Select output file:", ".", "Movie files (*.gif *.mpeg *.mpg)\nAll files (*)");
    }
 
    // Get base name of file
    var ind = outfile.lastIndexOf(".");
    var basename = outfile.substr(0, ind);
    VQ.debug(basename);
    
    // Ask for start and end slices
    var planeType = "Sagittal";
    if (plane == 1) {
        planeType = "Coronal";
    } else if (plane == 2) {
        planeType = "Transverse";
    }
    var VC = VQ.controler();
    VQ.suspend("Select start slice in " + planeType + " plane.");
    var start = VC.getPos(plane);
    VQ.suspend("Select end slice in " + planeType + " plane.");
    var end = VC.getPos(plane);
 
    VQ.debug("Generating movie of " + planeType + " from slice " + start + " to " + end + " in file: " + outfile);
 
    // Save individual frames
    var MW = VQ.mainWin();
    var incr = 1;
    if (start > end) {
        incr = -1;
    }
    var imageList = [];
    for (var i=start; i !== end+incr; i += incr) {
        var tmpFileName = basename + i + ".png";
        imageList.push(tmpFileName);
        VC.setPos(plane, i);
        MW.saveImage(tmpFileName, plane+1);
    }
    
    // Combine frames and clean up
    // syntax is VQ.combineFrames(<Array of Images>, <Output path>,
    //                            <delay in ms>, <delete frames?>)
    // delay defaults to 40, delete defaults to false
    var delay = 30;
    if (start-end > 25 || end-start > 25) {
        delay = 8;
    }
    VQ.combineFrames(imageList, outfile, delay, true);
}
 
// Save Movie of Transverse/Z-dimension plane
// 0: Sagittal, 1: Coronal, 2: Transverse
saveCustomMovie(2);