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nvcan_tsnr_vreg_container.html
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nvcan_tsnr_vreg_container.html
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<html>
<head>
<link rel="stylesheet" type="text/css" href="extra_info/styles.css" />
<script src="./assets/niivue_afni.umd.js"> </script>
<script type="text/javascript">
/* show/hide olay in NV (for align checks)
obj : NV object ID
bid : button ID in that object's NV canvas
*/
function niivue_ShowHideOlay(obj, bid) {
let element = document.getElementById(bid);
if (obj.volumes[1].opacity) {
obj.setOpacity(1, 0);
element.innerText = "View Olay";
} else {
obj.setOpacity(1, 1);
element.innerText = "Hide Olay";
}
}
// used for string formatting numbers (C Rorden), below
function flt2str0(flt, ndec = 0) {
//retain trailing zero
return flt.toFixed(ndec); //return string
}
/* more string formatting numbers, below ... WITH directionality here,
assuming the coords are what AFNI calls LPI (and what some other
software call RAS); basically, L/P/I are neg coords, and R/A/S are
positive.
*/
function flt2str0_dir(flt, ndec = 0, dir = '') {
//retain trailing zero
if (dir == '') {
return flt.toFixed(ndec); //return string
} else if (dir == 'RL') {
let aflt = Math.abs(flt);
let lab = (flt < 0) ? 'L' : 'R';
return aflt.toFixed(ndec) + lab;
} else if (dir == 'AP') {
let aflt = Math.abs(flt);
let lab = (flt < 0) ? 'P' : 'A';
return aflt.toFixed(ndec) + lab;
} else if (dir == 'IS') {
let aflt = Math.abs(flt);
let lab = (flt < 0) ? 'I' : 'S';
return aflt.toFixed(ndec) + lab;
} else {
return '';
}
}
</script>
</head>
<body>
<!-- start NiiVue canvas for: nvcan_tsnr_vreg -->
<div class="class_niivue" id="nvcan_tsnr_vreg_container">
<canvas id="nvcan_tsnr_vreg">
</canvas>
<footer id="nvcan_tsnr_vreg_xyz" style="color:#fff; ">
</footer>
<script>
function reportCoorAndValues(data) {
// coord str
let x = flt2str0_dir(data.mm[0], 3, 'RL')
let y = flt2str0_dir(data.mm[1], 3, 'AP')
let z = flt2str0_dir(data.mm[2], 3, 'IS')
let str_c = ' xyz:[' +
x.padStart(8).replace(/ /g, ' ') + ' ' +
y.padStart(8).replace(/ /g, ' ') + ' ' +
z.padStart(8).replace(/ /g, ' ') + '], '
// value str (accommodate Olay/Thr being present or not)
let u = flt2str0(data.values[0].value, 6) // always have ulay
let o = 'NA';
let t = 'NA';
if (data.values.length > 1) { // do we have olay?
o = flt2str0(data.values[1].value, 6);
}
if (data.values.length > 2) { // do we have thr?
t = flt2str0(data.values[2].value, 6);
}
let str_v = 'UOT:[' +
u.padStart(12).replace(/ /g, ' ') + ' ' +
o.padStart(12).replace(/ /g, ' ') + ' ' +
t.padStart(12).replace(/ /g, ' ') + ']'
document.getElementById('nvcan_tsnr_vreg_xyz').innerHTML = str_c + str_v;
}
const nvobj_tsnr_vreg = new niivue.Niivue(
{ logging: true,
show3Dcrosshair: true,
onLocationChange: reportCoorAndValues,
}
)
nvobj_tsnr_vreg.opts.isColorbar = false; // just use from HTML
nvobj_tsnr_vreg.opts.sagittalNoseLeft = true;
nvobj_tsnr_vreg.opts.isRadiologicalConvention = false;
nvobj_tsnr_vreg.opts.isCornerOrientationText = true;
nvobj_tsnr_vreg.attachTo('nvcan_tsnr_vreg');
nvobj_tsnr_vreg.loadVolumes([
{ // ulay
url:"./MNI152_2009_template_SSW.nii.gz",
cal_max: 1296.72432,
}, { // olay
url:"./TSNR.vreg.r01.sub-002+tlrc.HEAD",
frame4D: 0, // idx of vol
colormap: "cet_l17",
cal_min: 0,
cal_max: 143,
opacity: 0.5555555555555556,
}
]).then(()=>{ // more actions
if ( nvobj_tsnr_vreg.volumes.length > 1 ) {
nvobj_tsnr_vreg.volumes[1].alphaThreshold = false; // alpha for olay
}
nvobj_tsnr_vreg.overlayOutlineWidth = 0;
nvobj_tsnr_vreg.opts.multiplanarForceRender = true;
nvobj_tsnr_vreg.backgroundMasksOverlays = true;
// no setModulationImage(), bc modulation is not used
nvobj_tsnr_vreg.scene.crosshairPos = nvobj_tsnr_vreg.mm2frac([-1, -17, 5.0]); // jump to XYZ
nvobj_tsnr_vreg.updateGLVolume();
})
</script>
</div>
</body>
</html>