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making eslint happier
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@katjaq
katjaq committed Apr 26, 2020
1 parent a0c4b98 commit a2d4e50
Showing 1 changed file with 154 additions and 153 deletions.
307 changes: 154 additions & 153 deletions mri.js
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
/* globals Struct, pako */
'use strict';

function MRI() {
Expand Down Expand Up @@ -36,105 +37,105 @@ function MRI() {
init: function init() {
var pr = new Promise(function(resolve, reject) {
me.loadScript(me.struct_url, function() {return window.Struct != undefined;})
.then(function() {return me.loadScript(me.pako_url, function() {return window.pako != undefined;});})
.then(function() {return me.loadScript(me.pako_url, function() {return window.pako != undefined;});})
/*
var pr = me.loadScript('https://cdn.rawgit.com/r03ert0/mrijs/v0.0.2/mri.js',function(){return window.MRI!=undefined});
*/
.then(function() {
if (!me.NiiHdrLE) {
me.NiiHdrLE = Struct()
.word32Sle('sizeof_hdr') // Size of the header. Must be 348 (bytes)
.chars('data_type', 10) // Not used; compatibility with analyze.
.chars('db_name', 18) // Not used; compatibility with analyze.
.word32Sle('extents') // Not used; compatibility with analyze.
.word16Sle('session_error') // Not used; compatibility with analyze.
.word8('regular') // Not used; compatibility with analyze.
.word8('dim_info') // Encoding directions (phase, frequency, slice).
.array('dim', 8, 'word16Sle') // Data array dimensions.
.floatle('intent_p1') // 1st intent parameter.
.floatle('intent_p2') // 2nd intent parameter.
.floatle('intent_p3') // 3rd intent parameter.
.word16Sle('intent_code') // nifti intent.
.word16Sle('datatype') // Data type.
.word16Sle('bitpix') // Number of bits per voxel.
.word16Sle('slice_start') // First slice index.
.array('pixdim', 8, 'floatle') // Grid spacings (unit per dimension).
.floatle('vox_offset') // Offset into a .nii file.
.floatle('scl_slope') // Data scaling, slope.
.floatle('scl_inter') // Data scaling, offset.
.word16Sle('slice_end') // Last slice index.
.word8('slice_code') // Slice timing order.
.word8('xyzt_units') // Units of pixdim[1..4].
.floatle('cal_max') // Maximum display intensity.
.floatle('cal_min') // Minimum display intensity.
.floatle('slice_duration') // Time for one slice.
.floatle('toffset') // Time axis shift.
.word32Sle('glmax') // Not used; compatibility with analyze.
.word32Sle('glmin') // Not used; compatibility with analyze.
.chars('descrip', 80) // Any text.
.chars('aux_file', 24) // Auxiliary filename.
.word16Sle('qform_code') // Use the quaternion fields.
.word16Sle('sform_code') // Use of the affine fields.
.floatle('quatern_b') // Quaternion b parameter.
.floatle('quatern_c') // Quaternion c parameter.
.floatle('quatern_d') // Quaternion d parameter.
.floatle('qoffset_x') // Quaternion x shift.
.floatle('qoffset_y') // Quaternion y shift.
.floatle('qoffset_z') // Quaternion z shift.
.array('srow_x', 4, 'floatle') // 1st row affine transform
.array('srow_y', 4, 'floatle') // 2nd row affine transform.
.array('srow_z', 4, 'floatle') // 3rd row affine transform.
.chars('intent_name', 16) // Name or meaning of the data.
.chars('magic', 4); // Magic string.
}
if (!me.NiiHdrBE) {
me.NiiHdrBE = Struct()
.word32Sbe('sizeof_hdr') // Size of the header. Must be 348 (bytes)
.chars('data_type', 10) // Not used; compatibility with analyze.
.chars('db_name', 18) // Not used; compatibility with analyze.
.word32Sbe('extents') // Not used; compatibility with analyze.
.word16Sbe('session_error') // Not used; compatibility with analyze.
.word8('regular') // Not used; compatibility with analyze.
.word8('dim_info') // Encoding directions (phase, frequency, slice).
.array('dim', 8, 'word16Sbe') // Data array dimensions.
.floatbe('intent_p1') // 1st intent parameter.
.floatbe('intent_p2') // 2nd intent parameter.
.floatbe('intent_p3') // 3rd intent parameter.
.word16Sbe('intent_code') // nifti intent.
.word16Sbe('datatype') // Data type.
.word16Sbe('bitpix') // Number of bits per voxel.
.word16Sbe('slice_start') // First slice index.
.array('pixdim', 8, 'floatbe') // Grid spacings (unit per dimension).
.floatbe('vox_offset') // Offset into a .nii file.
.floatbe('scl_slope') // Data scaling, slope.
.floatbe('scl_inter') // Data scaling, offset.
.word16Sbe('slice_end') // Last slice index.
.word8('slice_code') // Slice timing order.
.word8('xyzt_units') // Units of pixdim[1..4].
.floatbe('cal_max') // Maximum display intensity.
.floatbe('cal_min') // Minimum display intensity.
.floatbe('slice_duration') // Time for one slice.
.floatbe('toffset') // Time axis shift.
.word32Sbe('glmax') // Not used; compatibility with analyze.
.word32Sbe('glmin') // Not used; compatibility with analyze.
.chars('descrip', 80) // Any text.
.chars('aux_file', 24) // Auxiliary filename.
.word16Sbe('qform_code') // Use the quaternion fields.
.word16Sbe('sform_code') // Use of the affine fields.
.floatbe('quatern_b') // Quaternion b parameter.
.floatbe('quatern_c') // Quaternion c parameter.
.floatbe('quatern_d') // Quaternion d parameter.
.floatbe('qoffset_x') // Quaternion x shift.
.floatbe('qoffset_y') // Quaternion y shift.
.floatbe('qoffset_z') // Quaternion z shift.
.array('srow_x', 4, 'floatbe') // 1st row affine transform
.array('srow_y', 4, 'floatbe') // 2nd row affine transform.
.array('srow_z', 4, 'floatbe') // 3rd row affine transform.
.chars('intent_name', 16) // Name or meaning of the data.
.chars('magic', 4); // Magic string.
}
resolve();
});
.then(function() {
if (!me.NiiHdrLE) {
me.NiiHdrLE = Struct()
.word32Sle('sizeof_hdr') // Size of the header. Must be 348 (bytes)
.chars('data_type', 10) // Not used; compatibility with analyze.
.chars('db_name', 18) // Not used; compatibility with analyze.
.word32Sle('extents') // Not used; compatibility with analyze.
.word16Sle('session_error') // Not used; compatibility with analyze.
.word8('regular') // Not used; compatibility with analyze.
.word8('dim_info') // Encoding directions (phase, frequency, slice).
.array('dim', 8, 'word16Sle') // Data array dimensions.
.floatle('intent_p1') // 1st intent parameter.
.floatle('intent_p2') // 2nd intent parameter.
.floatle('intent_p3') // 3rd intent parameter.
.word16Sle('intent_code') // nifti intent.
.word16Sle('datatype') // Data type.
.word16Sle('bitpix') // Number of bits per voxel.
.word16Sle('slice_start') // First slice index.
.array('pixdim', 8, 'floatle') // Grid spacings (unit per dimension).
.floatle('vox_offset') // Offset into a .nii file.
.floatle('scl_slope') // Data scaling, slope.
.floatle('scl_inter') // Data scaling, offset.
.word16Sle('slice_end') // Last slice index.
.word8('slice_code') // Slice timing order.
.word8('xyzt_units') // Units of pixdim[1..4].
.floatle('cal_max') // Maximum display intensity.
.floatle('cal_min') // Minimum display intensity.
.floatle('slice_duration') // Time for one slice.
.floatle('toffset') // Time axis shift.
.word32Sle('glmax') // Not used; compatibility with analyze.
.word32Sle('glmin') // Not used; compatibility with analyze.
.chars('descrip', 80) // Any text.
.chars('aux_file', 24) // Auxiliary filename.
.word16Sle('qform_code') // Use the quaternion fields.
.word16Sle('sform_code') // Use of the affine fields.
.floatle('quatern_b') // Quaternion b parameter.
.floatle('quatern_c') // Quaternion c parameter.
.floatle('quatern_d') // Quaternion d parameter.
.floatle('qoffset_x') // Quaternion x shift.
.floatle('qoffset_y') // Quaternion y shift.
.floatle('qoffset_z') // Quaternion z shift.
.array('srow_x', 4, 'floatle') // 1st row affine transform
.array('srow_y', 4, 'floatle') // 2nd row affine transform.
.array('srow_z', 4, 'floatle') // 3rd row affine transform.
.chars('intent_name', 16) // Name or meaning of the data.
.chars('magic', 4); // Magic string.
}
if (!me.NiiHdrBE) {
me.NiiHdrBE = Struct()
.word32Sbe('sizeof_hdr') // Size of the header. Must be 348 (bytes)
.chars('data_type', 10) // Not used; compatibility with analyze.
.chars('db_name', 18) // Not used; compatibility with analyze.
.word32Sbe('extents') // Not used; compatibility with analyze.
.word16Sbe('session_error') // Not used; compatibility with analyze.
.word8('regular') // Not used; compatibility with analyze.
.word8('dim_info') // Encoding directions (phase, frequency, slice).
.array('dim', 8, 'word16Sbe') // Data array dimensions.
.floatbe('intent_p1') // 1st intent parameter.
.floatbe('intent_p2') // 2nd intent parameter.
.floatbe('intent_p3') // 3rd intent parameter.
.word16Sbe('intent_code') // nifti intent.
.word16Sbe('datatype') // Data type.
.word16Sbe('bitpix') // Number of bits per voxel.
.word16Sbe('slice_start') // First slice index.
.array('pixdim', 8, 'floatbe') // Grid spacings (unit per dimension).
.floatbe('vox_offset') // Offset into a .nii file.
.floatbe('scl_slope') // Data scaling, slope.
.floatbe('scl_inter') // Data scaling, offset.
.word16Sbe('slice_end') // Last slice index.
.word8('slice_code') // Slice timing order.
.word8('xyzt_units') // Units of pixdim[1..4].
.floatbe('cal_max') // Maximum display intensity.
.floatbe('cal_min') // Minimum display intensity.
.floatbe('slice_duration') // Time for one slice.
.floatbe('toffset') // Time axis shift.
.word32Sbe('glmax') // Not used; compatibility with analyze.
.word32Sbe('glmin') // Not used; compatibility with analyze.
.chars('descrip', 80) // Any text.
.chars('aux_file', 24) // Auxiliary filename.
.word16Sbe('qform_code') // Use the quaternion fields.
.word16Sbe('sform_code') // Use of the affine fields.
.floatbe('quatern_b') // Quaternion b parameter.
.floatbe('quatern_c') // Quaternion c parameter.
.floatbe('quatern_d') // Quaternion d parameter.
.floatbe('qoffset_x') // Quaternion x shift.
.floatbe('qoffset_y') // Quaternion y shift.
.floatbe('qoffset_z') // Quaternion z shift.
.array('srow_x', 4, 'floatbe') // 1st row affine transform
.array('srow_y', 4, 'floatbe') // 2nd row affine transform.
.array('srow_z', 4, 'floatbe') // 3rd row affine transform.
.chars('intent_name', 16) // Name or meaning of the data.
.chars('magic', 4); // Magic string.
}
resolve();
});
});
return pr;
},
Expand All @@ -149,38 +150,38 @@ function MRI() {
*/

createNifti: function createNifti(dim, pixdim, v2w, data) {
let sizeof_hdr=348;
let dimensions=4; // number of dimension values provided
let spacetimeunits=2+8; // 2=nifti code for millimetres | 8=nifti code for seconds
let datatype=16; // datatype for Float32 data
let vox_offset=352;
let bitsPerVoxel=32;
let sizeof_hdr = 348;
let dimensions = 4; // number of dimension values provided
let spacetimeunits = 2+8; // 2=nifti code for millimetres | 8=nifti code for seconds
let datatype = 16; // datatype for Float32 data
let vox_offset = 352;
let bitsPerVoxel = 32;

let newHdr = {
sizeof_hdr: sizeof_hdr,
data_type: '', db_name: '', extents: 0, session_error: 0, regular: 0, dim_info: 0,
data_type: '', db_name: '', extents: 0, session_error: 0, regular: 0, dim_info: 0,
dim: [3, dim[0], dim[1], dim[2], 1, 1, 1, 1],
intent_p1: 0, intent_p2: 0, intent_p3: 0, intent_code: 0,
intent_p1: 0, intent_p2: 0, intent_p3: 0, intent_code: 0,
datatype: datatype, // uchar
bitpix: bitsPerVoxel,
slice_start: 0,
slice_start: 0,
pixdim: [-1, pixdim[0], pixdim[1], pixdim[2], 0, 1, 1, 1],
vox_offset: vox_offset,
scl_slope: 1, scl_inter: 0, slice_end: 0, slice_code: 0,
xyzt_units: 10,
cal_max: 0, cal_min: 0, slice_duration: 0, toffset: 0,
glmax: 0, glmin: 0,
descrip: 'Reorient, 5 January 2018',
aux_file: '',
qform_code: 0,
sform_code: 1,
quatern_b: 0, quatern_c: 0, quatern_d: 0,
qoffset_x: 0, qoffset_y: 0, qoffset_z: 0,
scl_slope: 1, scl_inter: 0, slice_end: 0, slice_code: 0,
xyzt_units: 10,
cal_max: 0, cal_min: 0, slice_duration: 0, toffset: 0,
glmax: 0, glmin: 0,
descrip: 'Reorient, 5 January 2018',
aux_file: '',
qform_code: 0,
sform_code: 1,
quatern_b: 0, quatern_c: 0, quatern_d: 0,
qoffset_x: 0, qoffset_y: 0, qoffset_z: 0,
srow_x: [v2w[0][0], v2w[0][1], v2w[0][2], v2w[0][3]],
srow_y: [v2w[1][0], v2w[1][1], v2w[1][2], v2w[1][3]],
srow_z: [v2w[2][0], v2w[2][1], v2w[2][2], v2w[2][3]],
intent_name: '',
magic: 'n+1'
intent_name: '',
magic: 'n+1'
};
me.NiiHdrLE.allocate();
let niihdr = me.NiiHdrLE.buffer();
Expand Down Expand Up @@ -320,41 +321,41 @@ function MRI() {
me.pixdim = [h.pixdim[1],h.pixdim[2],h.pixdim[3]];

switch (me.datatype) {
case 2: // UCHAR
me.data = new Uint8Array(nii,vox_offset);
break;
case 256: // INT8
me.data = new Uint8Array(nii,vox_offset);
break;
case 4: // SHORT
if (endianness == 'le')
me.data = new Int16Array(nii,vox_offset);
else
me.data = me.swapInt16(new Int16Array(nii,vox_offset));
break;
case 8: // INT
if (endianness == 'le')
me.data = new Int32Array(nii,vox_offset);
else
me.data = me.swapInt32(new Int32Array(nii,vox_offset));
break;
case 16: // FLOAT
if (endianness == 'le')
me.data = new Float32Array(nii,vox_offset);
else
me.data = me.swapFloat32(new Float32Array(nii,vox_offset));
break;
case 256: // INT8
me.data = new Int8Array(nii,vox_offset);
break;
case 512: // UINT16
if (endianness == 'le')
me.data = new Uint16Array(nii,vox_offset);
else
me.data = me.swapUint16(new Uint16Array(nii,vox_offset));
break;
default:
console.error('Unknown dataType: ' + me.datatype);
case 2: // UCHAR
me.data = new Uint8Array(nii,vox_offset);
break;
// case 256: // INT8
// me.data = new Uint8Array(nii,vox_offset);
// break;
case 4: // SHORT
if (endianness == 'le')
me.data = new Int16Array(nii,vox_offset);
else
me.data = me.swapInt16(new Int16Array(nii,vox_offset));
break;
case 8: // INT
if (endianness == 'le')
me.data = new Int32Array(nii,vox_offset);
else
me.data = me.swapInt32(new Int32Array(nii,vox_offset));
break;
case 16: // FLOAT
if (endianness == 'le')
me.data = new Float32Array(nii,vox_offset);
else
me.data = me.swapFloat32(new Float32Array(nii,vox_offset));
break;
case 256: // INT8
me.data = new Int8Array(nii,vox_offset);
break;
case 512: // UINT16
if (endianness == 'le')
me.data = new Uint16Array(nii,vox_offset);
else
me.data = me.swapUint16(new Uint16Array(nii,vox_offset));
break;
default:
console.error('Unknown dataType: ' + me.datatype);
}
},
multMatVec: function multMatVec(m, v) {
Expand Down Expand Up @@ -429,7 +430,7 @@ function MRI() {
/**
* @todo Additional transformation functions
*/
/*
/*
vox2pix: function vox2pix() {
},
pix2vox: function pix2vox() {
Expand Down

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