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0!==e&&(t=e.getThirdColMajorDirection()),this.moreThanOne(t)}canScroll(e){let t=this.canScroll3D(e);for(let e=3;ethis.length())return null;if(void 0===t)t=0;else if(t<0||t>e)throw new Error("Invalid start value for getDimSize");let n=1;for(let i=t;in-1)throw new Error("Wrong input dir value: "+t[e]);for(let n=0;n=0&&ithis.length()-1)throw new Error("Invalid start value for indexToOffset");let n=0;for(let i=t;i0;--e)r=this.getDimSize(e),n[e]=Math.floor(i/r),i-=n[e]*r;return n[0]=i,new e(n)}get2D(){return{x:this.get(0),y:this.get(1)}}}class Ae{#e;constructor(e){if(!e||void 0===e)throw new Error("Cannot create spacing with no values.");if(0===e.length)throw new Error("Cannot create spacing with empty values.");if(!e.every((function(e){return!isNaN(e)&&0!==e})))throw new Error("Cannot create spacing with non number or zero values.");this.#e=e}get(e){return this.#e[e]}length(){return this.#e.length}toString(){return"("+this.#e.toString()+")"}getValues(){return this.#e.slice()}equals(e){if(!e)return!1;const t=this.length();if(t!==e.length())return!1;for(let n=0;n0?i+1:i}appendOrigin(e,t,n){if(void 0!==n&&this.#X[n].splice(t,0,e),void 0===n||n===this.#j){this.#Z=!0,this.#W.splice(t,0,e);const n=this.#z.getValues();n[2]+=1,this.#z=new we(n)}}appendFrame(e,t){this.#X[t]=[e];const n=this.#z.getValues(),i=this.#Y.getValues();4===n.length?n[3]+=1:(n.push(2),i.push(1)),this.#z=new we(n),this.#Y=new Ae(i)}toString(){return"Origin: "+this.getOrigin()+", Size: "+this.getSize()+", Spacing: "+this.getSpacing()+", Orientation: "+this.getOrientation()}equals(e){return null!==e&&this.getOrigin().equals(e.getOrigin())&&this.getSize().equals(e.getSize())&&this.getSpacing().equals(e.getSpacing())}isInBounds(e){return this.isIndexInBounds(this.worldToIndex(e))}isIndexInBounds(e,t){return this.getSize().isInBounds(e,t)}indexToWorld(e){const t=this.getSpacing(),n=new O(e.get(0)*t.get(0),e.get(1)*t.get(1),e.get(2)*t.get(2)),i=this.getOrientation().multiplyPoint3D(n),r=e.getValues(),o=this.getOrigin();return r[0]=o.getX()+i.getX(),r[1]=o.getY()+i.getY(),r[2]=o.getZ()+i.getZ(),new w(r)}pointToWorld(e){const t=this.getSpacing(),n=new O(e.getX()*t.get(0),e.getY()*t.get(1),e.getZ()*t.get(2)),i=this.getOrientation().multiplyPoint3D(n),r=this.getOrigin();return new O(r.getX()+i.getX(),r.getY()+i.getY(),r.getZ()+i.getZ())}worldToIndex(t){const n=this.getOrigin(),i=new O(t.get(0)-n.getX(),t.get(1)-n.getY(),t.get(2)-n.getZ()),r=this.getOrientation().getInverse().multiplyPoint3D(i),o=t.getValues(),a=this.getSpacing();return o[0]=Math.round(r.getX()/a.get(0)),o[1]=Math.round(r.getY()/a.get(1)),o[2]=Math.round(r.getZ()/a.get(2)),new e(o)}worldToPoint(e){const t=this.getOrigin(),n=new O(e.get(0)-t.getX(),e.get(1)-t.getY(),e.get(2)-t.getZ()),i=this.getOrientation().getInverse().multiplyPoint3D(n),r=e.getValues(),o=this.getSpacing();return r[0]=i.getX()/o.get(0),r[1]=i.getY()/o.get(1),r[2]=i.getZ()/o.get(2),new O(r[0],r[1],r[2])}}function be(e,t){return t.getInverse().multiplyArray3D(e)}function Fe(e,t){return t.multiplyArray3D(e)}function Re(e,t,n){if(void 0===n&&(n=!0),e.length<=1)return;const i=t.getInverse();let r=i.multiplyVector3D(e[0]),o=i.multiplyVector3D(e[1]),a=Math.abs(r.getZ()-o.getZ());const s=[];for(let t=0;t1e-4&&g.warn("Varying slice spacing, mean delta: "+t.toFixed(3)+" ("+s.length+" case(s))")}return a}function Ee(e){const t=e["00280010"];if(void 0===t)throw new Error("Missing DICOM image number of rows");if(0===t.value.length)throw new Error("Empty DICOM image number of rows");const n=e["00280011"];if(void 0===n)throw new Error("Missing DICOM image number of columns");if(0===n.value.length)throw new Error("Empty DICOM image number of columns");return[n.value[0],t.value[0]]}class qe{getTime(e){}}class Ue{checkElements(e){Ee(e)}create(e,t,n){const i=Ee(e),o=[i[0],i[1],1],a=e["00280008"];a&&o.push(a.value[0]);const s=new we(o),l=function(e){let t=1,n=1;const i=["00280030","00181164","00182010","00280034"];for(let r=0;r>8};r=t.value.map(e),o=n.value.map(e),a=i.value.map(e)}}else if(8===s.value[2]){g.info("Scaling 16bits color lut since the lut descriptor is 8.");let e=t.value.slice(0);r=new Uint8Array(e.buffer),e=n.value.slice(0),o=new Uint8Array(e.buffer),e=i.value.slice(0),a=new Uint8Array(e.buffer)}M.paletteLut={red:r,green:o,blue:a}}const Z=e["00082144"];return void 0!==Z&&(M.RecommendedDisplayFrameRate=parseInt(Z.value[0],10)),x.setMeta(M),x}}function Qe(e,t){return JSON.stringify(e)===JSON.stringify(t)}function Me(e,t){const n=e[t.tag];if(1===t.type||2===t.type){if(void 0===n)throw new Error("Missing or empty "+t.name)}else if(void 0===n)return;let i,r=!1;if(i=1===n.value.length?n.value[0]:n.value,Array.isArray(i))for(let e=0;e.206896552?Math.pow(e,3):.128418549*e-.017712903,t}const n=p,i=(e.l+16)/116;return{x:n.x*t(i+e.a/500),y:n.y*t(i),z:n.z*t(i-e.b/200)}}(e))}({l:.001525902*(n={l:i[0],a:i[1],b:i[2]}).l,a:.003891051*n.a-128,b:.003891051*n.b-128});t.displayValue=r}var n;if(void 0===e["00620003"])throw Error("Missing Segmented Property Category Code Sequence.");if(t.propertyCategoryCode=Ne(e["00620003"].value[0]),void 0===e["0062000F"])throw Error("Missing Segmented Property Type Code Sequence.");return t.propertyTypeCode=Ne(e["0062000F"].value[0]),void 0!==e["00620020"]&&(t.trackingId=e["00620020"].value[0],t.trackingUid=e["00620021"].value[0]),t}function Ge(e){if(void 0===e["00280030"])return null;const t=e["00280030"],n=[parseFloat(t.value[0]),parseFloat(t.value[1])];return void 0!==e["00180050"]?n.push(parseFloat(e["00180050"].value[0])):void 0!==e["00180088"]&&n.push(parseFloat(e["00180088"].value[0])),new Ae(n)}function ke(e){const t=[];if(void 0!==e["00089124"]){const n=e["00089124"].value;for(let e=0;e1e-4;return t&&(t=e>.001,t?(t=e>.01,t||g.warn("Using larger+ real world epsilon in SEG pos pat adding")):g.warn("Using larger real world epsilon in SEG pos pat adding")),t},U=[];U.push(T[0]);let Q=0;for(let t=1;ta)throw new Error("Test distance is increasing when adding intermediate pos pats");U.push(T[t])}const M=U.length,B=new xe(x[0],r,b,w),N=[0];for(let e=1;e=this.#ae.numberOfFiles?g.warn("Ignoring frame at index "+t+" (size: "+this.#ae.numberOfFiles+")"):(this.#P.set(e,i*t),this.appendFrame(t,new O(0,0,0)))}appendFrame(e,t){this.#J.appendFrame(t,e),this.#ge({type:"appendframe"})}getDataRange(){return this.#se||(this.#se=this.calculateDataRange()),this.#se}getRescaledDataRange(){return this.#le||(this.#le=this.calculateRescaledDataRange()),this.#le}getHistogram(){if(!this.#ce){const e=this.calculateHistogram();this.#se=e.dataRange,this.#le=e.rescaledDataRange,this.#ce=e.histogram}return this.#ce}addEventListener(e,t){this.#ue.add(e,t)}removeEventListener(e,t){this.#ue.remove(e,t)}#ge=e=>{this.#ue.fireEvent(e)};setAtOffsets(e,t){let n;for(let i=0,r=e.length;i=3&&(r=i.getDimSize(3));for(let i=0;it&&(t=n),nn?t:n}}{let e=this.getRescaledValueAtOffset(0),t=e,n=0;const i=this.getGeometry().getSize();let r=i.getTotalSize();3===i.length()&&(r=i.getDimSize(3));for(let i=0;it&&(t=n),ni&&(i=r),ra&&(a=s),s{const t=this.getCurrentIndex();if(3===t.length()){const n=t.getValues();n.push(0),this.setCurrentIndex(new e(n))}}))}getImage(){return this.#me}setImage(e){this.#me=e}getOrientation(){return this.#_}setOrientation(e){this.#_=e}init(){this.setInitialIndex()}setInitialIndex(){const t=this.#me.getGeometry().getSize(),n=new Array(t.length());n.fill(0),n[0]=Math.floor(t.get(0)/2),n[1]=Math.floor(t.get(1)/2),n[2]=Math.floor(t.get(2)/2),this.setCurrentIndex(new e(n),!0)}getPlaybackMilliseconds(e){return e||(e=10),Math.round(1e3/e)}#Te=function(e,t){return 255};getAlphaFunction(){return this.#Te}setAlphaFunction(e){this.#Te=e,this.#ge({type:"alphafuncchange"})}getCurrentWindowLut(e){this.getCurrentIndex()||this.setInitialIndex();const t=this.getCurrentIndex();void 0===e&&(e=this.#me.getRescaleSlopeAndIntercept(t));let i=null;if(this.#De&&void 0!==this.#fe[this.#De]&&void 0!==this.#fe[this.#De].perslice&&!0===this.#fe[this.#De].perslice){const e=this.#me.getSecondaryOffset(t);i=this.#fe[this.#De].wl[e]}i||(this.#ye||this.setWindowLevelPresetById(0,!0),i=this.#ye);let r=this.#pe[e.toString()];if(void 0===r){const e=new n(this.#me.getRescaleSlopeAndIntercept(),this.#me.getMeta().BitsStored),t=new s(e,this.#me.getMeta().IsSigned);this.addWindowLut(t),r=t}const o=r.getWindowLevel();return i.equals(o)||(r.setWindowLevel(i),r.update(),o&&o.getWidth()===i.getWidth()&&o.getCenter()===i.getCenter()||this.#ge({type:"wlchange",value:[i.getCenter(),i.getWidth()],wc:i.getCenter(),ww:i.getWidth(),skipGenerate:!0})),r}addWindowLut(e){const t=e.getRescaleLut().getRSI();this.#pe[t.toString()]=e}getWindowPresets(){return this.#fe}getWindowPresetsNames(){return Object.keys(this.#fe)}setWindowPresets(e){this.#fe=e}setDefaultColourMap(e){this.#Ce=e}addWindowPresets(e){const t=Object.keys(e);let n=null;for(let i=0;i{this.#ue.fireEvent(e)};getWindowLevelMinMax(){const e=this.getImage().getRescaledDataRange(),t=e.min;let n=e.max-t;return n<1&&(g.warn("Zero or negative window width, defaulting to one."),n=1),new r(t+n/2,n)}setWindowLevelMinMax(){const e=this.getWindowLevelMinMax();this.setWindowLevel(e.getCenter(),e.getWidth(),"minmax")}generateImageData(e,t){void 0===t&&(this.getCurrentIndex()||this.setInitialIndex(),t=this.getCurrentIndex());const n=this.getImage(),i=Le(n,t,!1,this.getOrientation()),r=n.getPhotometricInterpretation();switch(r){case"MONOCHROME1":case"MONOCHROME2":!function(e,t,n,i,r){let o=0,a=0,s=t.next();for(;!s.done;)a=i.getValue(s.value),e.data[o]=r.red[a],e.data[o+1]=r.green[a],e.data[o+2]=r.blue[a],e.data[o+3]=n(s.value,s.index),o+=4,s=t.next()}(e,i,this.getAlphaFunction(),this.getCurrentWindowLut(),this.getColourMap());break;case"PALETTE COLOR":!function(e,t,n,i,r){const o=function(e){return e>>8};r&&g.info("Scaling 16bits data to 8bits.");let a=0,s=0,l=t.next();for(;!l.done;)s=l.value,r?(e.data[a]=o(i.red[s]),e.data[a+1]=o(i.green[s]),e.data[a+2]=o(i.blue[s])):(e.data[a]=i.red[s],e.data[a+1]=i.green[s],e.data[a+2]=i.blue[s]),e.data[a+3]=n(s,l.index),a+=4,l=t.next()}(e,i,this.getAlphaFunction(),this.getColourMap(),16===n.getMeta().BitsStored);break;case"RGB":!function(e,t,n){let i=0,r=t.next();for(;!r.done;)e.data[i]=r.value[0],e.data[i+1]=r.value[1],e.data[i+2]=r.value[2],e.data[i+3]=n(r.value,r.index),i+=4,r=t.next()}(e,i,this.getAlphaFunction());break;case"YBR_FULL":!function(e,t,n){let i=0,r=null,o=t.next();for(;!o.done;)a=o.value[0],s=o.value[1],r={r:a+1.402*((l=o.value[2])-128),g:a-.34414*(s-128)-.71414*(l-128),b:a+1.772*(s-128)},e.data[i]=r.r,e.data[i+1]=r.g,e.data[i+2]=r.b,e.data[i+3]=n(o.value,o.index),i+=4,o=t.next();var a,s,l}(e,i,this.getAlphaFunction());break;default:throw new Error("Unsupported photometric interpretation: "+r)}}incrementIndex(t,n){const i=this.getCurrentIndex(),r=new Array(i.length());r.fill(0),t