diff --git a/dist/integrity.txt b/dist/integrity.txt
new file mode 100644
index 0000000..8136291
--- /dev/null
+++ b/dist/integrity.txt
@@ -0,0 +1 @@
+vgauge-1.0.3.min.js" integrity="sha384-CHO+7z8zcSwLXXCTCa9fzKJqv5Koiu1opo6vcZNl/ByNUrkhRM8cuyBHiP0PKGQ4" crossorigin="anonymous"
diff --git a/dist/vgauge-1.0.3.min.js b/dist/vgauge-1.0.3.min.js
new file mode 100644
index 0000000..182ae27
--- /dev/null
+++ b/dist/vgauge-1.0.3.min.js
@@ -0,0 +1,85 @@
+// vgauge.js 1.0.3, copyright (c) 2024 A.J.Bauer, licensed under the MIT License,see LICENSE.txt for full license text.
+
+class VGauge{static isNonEmptyString(s){return typeof s==='string'&&s!=='';}
+static isInteger(n){return Number.isInteger(parseInt(n));}
+static isBoolean(b){return typeof b==='boolean';}
+static isNonEmptyArray(a){return Array.isArray(a)&&a.length>0;}
+static hexRgbForColor(color){let hr,hg,hb;if(color.startsWith('#')){if(color.length===4){hr=color.charAt(1);hg=color.charAt(2);hb=color.charAt(3);return'#'+hr+hr+hg+hg+hb+hb;}else{return color.substring(0,8);}}else if(color.startsWith('rgb')){const allInts=color.match(/\d+/g);if(allInts.length>2){return'#'+parseInt(allInts[0]).toString(16)+parseInt(allInts[1]).toString(16)+parseInt(allInts[2]).toString(16);}else{console.error(this.constructor.name+': unexpected value for rgb color');return'#ff0000';}}else if(color.length>0){console.error(this.constructor.name+': unsupported color');}}
+static _getObjectInitializer(obj,n,t,c){const ld='\r\n';t=(t===undefined?0:t);c=(c===undefined?false:c);let str=' '.repeat(t)+'{'+ld;t+=n;const last=Object.keys(obj).slice(-1)[0];for(const[key,value]of Object.entries(obj)){if(obj.hasOwnProperty(key)){if(Array.isArray(value)){str+=' '.repeat(t)+key+': ['+ld;for(var i=0;i<value.length;i++){str+=VGauge._getObjectInitializer(value[i],n,t+n,(i!==value.length-1))+ld;}
+str+=' '.repeat(t)+']';}
+else if(typeof value==='object'){str+=' '.repeat(t)+key+':'+ld+VGauge._getObjectInitializer(value,n,t,key!==last)+(key!==last?ld:'');}
+else if(typeof value==='string'){str+=' '.repeat(t)+key+': \''+value+'\''+(key===last?'':','+ld);}
+else{str+=' '.repeat(t)+key+': '+value+(key===last?'':','+ld);}}}
+str+=ld+' '.repeat(t-n)+'}'+(c?',':'');return str;}
+static getObjectInitializer(obj,n){n=(n===undefined?1:n);return VGauge._getObjectInitializer(obj,n);}
+constructor(containerId,settings){this._initialized=false;this._id=containerId;this._settings=settings;this._value=0.0;this._targetValue=0.0;this._rootStyles=null;this._bodyStyles=null;this._containerStyles=null;this._container=null;this._svg=null;this._svgElems={background:null,helperGrid:null,labels:null,name:null,unit:null,value:null,cluster:null,ticks:null,icons:null,valueSector:null,targetValue:null,targetValueIndicator:null};this._tickLabelsMinusSignWidth=0;this._tickLabelsHeight=0;this._targetValueLabelMinusSignWidth=0;this._targetValueLabelLabelsHeight=0;this._fontFamily='';this._currentColor=null;this._width=0;this._height=0;this.recreate();}
+recreate(){this._initialized=false;if(this._settings===undefined||this._settings===null||typeof this._settings!=='object'){console.error(this.constructor.name+': settings needed');}
+this._container=document.querySelector('#'+this._id);if(this._container){this._container.innerHTML='';this._width=this._height=this._container.clientWidth;this._rootStyles=getComputedStyle(document.documentElement);this._bodyStyles=window.getComputedStyle(document.body);this._containerStyles=window.getComputedStyle(this._container);this._fontFamily=VGauge.isNonEmptyString(this._settings.tweek.fontFamily)?this._settings.tweek.fontFamily:this._bodyStyles.fontFamily.replace(/"/g,'');this._currentColor=this._containerStyles.color;this._svg=document.createElementNS('http://www.w3.org/2000/svg','svg');this._svg.setAttribute('xmlns','http://www.w3.org/2000/svg');this._svg.setAttribute('viewBox','-50 -50 100 100');this._svgElems.background=document.createElementNS('http://www.w3.org/2000/svg','rect');this._svgElems.background.setAttribute('x','-50');this._svgElems.background.setAttribute('y','-50');this._svgElems.background.setAttribute('width','100');this._svgElems.background.setAttribute('height','100');this._svgElems.background.setAttribute('stroke','none');this._svgElems.background.setAttribute('fill','none');this._svg.append(this._svgElems.background);if(VGauge.isBoolean(this._settings.useHelperGrid)&&this._settings.useHelperGrid){this._svgElems.helperGrid=document.createElementNS('http://www.w3.org/2000/svg','g');this._svgElems.helperGrid.setAttribute('opacity','0');this._svgElems.helperGrid.setAttribute('stroke','currentColor');this._svgElems.helperGrid.setAttribute('stroke-width','0.05');this._svg.append(this._svgElems.helperGrid);}
+this._svgElems.labels=document.createElementNS('http://www.w3.org/2000/svg','g');this._svgElems.labels.setAttribute('font-family',this._fontFamily);this._svgElems.name=document.createElementNS('http://www.w3.org/2000/svg','text');this._svgElems.name.setAttribute('text-anchor','middle');this._svgElems.labels.append(this._svgElems.name);this._svgElems.unit=document.createElementNS('http://www.w3.org/2000/svg','text');this._svgElems.unit.setAttribute('text-anchor','start');this._svgElems.labels.append(this._svgElems.unit);this._svgElems.value=document.createElementNS('http://www.w3.org/2000/svg','text');this._svgElems.value.setAttribute('text-anchor','end');this._svgElems.value.innerHTML=this._value.toFixed(this._settings.tweek.value.decimals);this._svgElems.labels.append(this._svgElems.value);this._svg.append(this._svgElems.labels);if(this._settings.cluster){this._svgElems.cluster=document.createElementNS('http://www.w3.org/2000/svg','g');if(VGauge.isNonEmptyArray(this._settings.cluster.sectors)){for(let i=0;i<this._settings.cluster.sectors.length;i++){const path=document.createElementNS('http://www.w3.org/2000/svg','path');path.setAttribute('d','M 0,0');this._svgElems.cluster.append(path);}}
+this._svg.append(this._svgElems.cluster);if(this._settings.cluster.useTickLabels){this._svgElems.ticks=document.createElementNS('http://www.w3.org/2000/svg','g');this._svg.append(this._svgElems.ticks);}}
+if(VGauge.isNonEmptyArray(this._settings.icons)){this._svgElems.icons=document.createElementNS('http://www.w3.org/2000/svg','g');for(var i=0;i<this._settings.icons.length;i++){try{const iconSettings=this._settings.icons[i];const icon=document.createElementNS('http://www.w3.org/2000/svg','path');const transform='translate('+iconSettings.x+','+iconSettings.y+') '
++'scale('+iconSettings.scale+','+iconSettings.scale+')';icon.setAttribute('transform',transform);icon.setAttribute('rid',iconSettings.id);const d=(new DOMParser).parseFromString(iconSettings.path,"image/svg+xml").querySelector('[d]').getAttribute('d');icon.setAttribute('d',d);icon.setAttribute('opacity',iconSettings.opacity);if(VGauge.isNonEmptyString(iconSettings.fill)){icon.setAttribute('fill',iconSettings.fill);}else{icon.setAttribute('fill','currentColor');}
+this._svgElems.icons.append(icon);}catch(e){console.error(this.constructor.name+': icons error : '+error);}}
+this._svg.append(this._svgElems.icons);}
+this._svgElems.valueSector=document.createElementNS('http://www.w3.org/2000/svg','path');this._svg.append(this._svgElems.valueSector);if(this._settings.targetValue){this._svgElems.targetValueIndicator=document.createElementNS('http://www.w3.org/2000/svg','path');this._svg.append(this._svgElems.targetValueIndicator);this._svgElems.targetValueLabel=document.createElementNS('http://www.w3.org/2000/svg','text');this._svg.append(this._svgElems.targetValueLabel);}
+this._container.prepend(this._svg);this._svg.setAttribute('style','user-select:none');if(VGauge.isNonEmptyString(this._settings.tweek.backgroundColor)){this._svgElems.background.setAttribute('fill',VGauge.hexRgbForColor(this._settings.tweek.backgroundColor));}else{this._svgElems.background.setAttribute('fill','none');}
+if(VGauge.isBoolean(this._settings.useHelperGrid)&&this._settings.useHelperGrid){for(let i=-50;i<=50;i+=10){const line=document.createElementNS('http://www.w3.org/2000/svg','line');line.setAttribute('x1',i);line.setAttribute('x2',i);line.setAttribute('y1',-50);line.setAttribute('y2',50);if(i===0){line.setAttribute('stroke-width','0.1');}
+this._svgElems.helperGrid.append(line);}
+for(let i=-50;i<=50;i+=10){const line=document.createElementNS('http://www.w3.org/2000/svg','line');line.setAttribute('x1',-50);line.setAttribute('x2',50);line.setAttribute('y1',i);line.setAttribute('y2',i);if(i===0){line.setAttribute('stroke-width','0.1');}
+this._svgElems.helperGrid.append(line);}}
+this._svgElems.name.setAttribute('x',this._settings.tweek.name.x);this._svgElems.name.setAttribute('y',this._settings.tweek.name.y);if(VGauge.isNonEmptyString(this._settings.tweek.name.fill)){this._svgElems.name.setAttribute('fill',this._settings.tweek.name.fill);}else{this._svgElems.name.setAttribute('fill','currentColor');}
+this._svgElems.name.setAttribute('font-size',this._settings.tweek.name.fontSize);this._svgElems.name.innerHTML=this._settings.name;this._svgElems.unit.setAttribute('x',this._settings.tweek.unit.x);this._svgElems.unit.setAttribute('y',this._settings.tweek.unit.y);if(VGauge.isNonEmptyString(this._settings.tweek.unit.fill)){this._svgElems.unit.setAttribute('fill',this._settings.tweek.unit.fill);}else{this._svgElems.unit.setAttribute('fill','currentColor');}
+this._svgElems.unit.setAttribute('font-size',this._settings.tweek.unit.fontSize);this._svgElems.unit.innerHTML=this._settings.unit;this._svgElems.value.setAttribute('x',this._settings.tweek.value.x);this._svgElems.value.setAttribute('y',this._settings.tweek.value.y);this._svgElems.value.setAttribute('fill',this._settings.tweek.value.fill);if(VGauge.isNonEmptyString(this._settings.tweek.value.fill)){this._svgElems.value.setAttribute('fill',this._settings.tweek.value.fill);}else{this._svgElems.value.setAttribute('fill','currentColor');}
+this._svgElems.value.setAttribute('font-size',this._settings.tweek.value.fontSize);if(this._settings.cluster&&this._settings.cluster.sectors&&VGauge.isNonEmptyArray(this._settings.cluster.sectors)){const point1={x:0.0,y:0.0};const point2={x:0.0,y:0.0};const prevPoint1={x:0.0,y:0.0};const prevPoint2={x:0.0,y:0.0};let prevAngle=this._settings.startAngle*Math.PI/180.0;let prevSweepTo=this._settings.min;let angle=0.0;let addSvgTickLabel=(value,angle)=>{const textPoint={x:0,y:0};const rotate=angle<Math.PI?angle+1.5*Math.PI:angle+0.5*Math.PI;const label=document.createElementNS('http://www.w3.org/2000/svg','text');label.innerHTML=value;textPoint.x=this._settings.tweek.ticks.radius*Math.cos(angle);textPoint.y=this._settings.tweek.ticks.radius*Math.sin(angle);const tr1='translate('+textPoint.x+','+textPoint.y+')';const rot='rotate('+(rotate*180.0/Math.PI)+')';const tr2='translate('+(value<0?-this._tickLabelsMinusSignWidth/2.0:0)+','+(this._tickLabelsHeight/2.0)+')';const transform=tr1+' '+rot+' '+tr2;label.setAttribute('transform',transform);this._svgElems.ticks.append(label);}
+if(this._settings.cluster.useTickLabels){const measureCanvas=new OffscreenCanvas(1,1);const measureCtx=measureCanvas.getContext('2d');measureCtx.textAlign='center';measureCtx.textBaseline='alphabetic';measureCtx.font=this._settings.tweek.ticks.fontSize+' '+this._fontFamily;this._tickLabelsMinusSignWidth=measureCtx.measureText('-').width;this._tickLabelsHeight=measureCtx.measureText('0123456789').actualBoundingBoxAscent;if(this._settings.targetValue){measureCtx.font=this._settings.targetValue.label.fontSize+' '+this._fontFamily;this._targetValueLabelMinusSignWidth=measureCtx.measureText('-').width;this._targetValueLabelHeight=measureCtx.measureText('0123456789').actualBoundingBoxAscent;}
+this._svgElems.ticks.setAttribute('text-anchor','middle');this._svgElems.ticks.setAttribute('dominant-baseline','alphabetic');this._svgElems.ticks.setAttribute('font-size',this._settings.tweek.ticks.fontSize);this._svgElems.ticks.setAttribute('font-family',this._fontFamily);this._svgElems.ticks.setAttribute('opacity',this._settings.tweek.ticks.opacity)
+if(VGauge.isNonEmptyString(this._settings.tweek.ticks.fill)){this._svgElems.ticks.setAttribute('fill',this._settings.tweek.ticks.fill);}else{this._svgElems.ticks.setAttribute('fill','currentColor');}}
+for(let i=0;i<this._settings.cluster.sectors.length;i++){const sector=this._settings.cluster.sectors[i];prevPoint1.x=this._settings.cluster.innerRadius*Math.cos(prevAngle);prevPoint1.y=this._settings.cluster.innerRadius*Math.sin(prevAngle);prevPoint2.x=this._settings.cluster.outerRadius*Math.cos(prevAngle);prevPoint2.y=this._settings.cluster.outerRadius*Math.sin(prevAngle);angle=prevAngle+(sector.sweepTo-prevSweepTo)*this._settings.sweepAngle/(this._settings.max-this._settings.min)*Math.PI/180.0;point1.x=this._settings.cluster.innerRadius*Math.cos(angle);point1.y=this._settings.cluster.innerRadius*Math.sin(angle);point2.x=this._settings.cluster.outerRadius*Math.cos(angle);point2.y=this._settings.cluster.outerRadius*Math.sin(angle);const d='M '+prevPoint1.x+','+prevPoint1.y+' '
++'A '+this._settings.cluster.innerRadius+' '+this._settings.cluster.innerRadius+' '+(angle-prevAngle)*180.0/Math.PI+' '
++(angle-prevAngle>Math.PI?'1':'0')+' 1 '+point1.x+' '+point1.y+' '
++'L '+point2.x+','+point2.y+' '
++'A '+this._settings.cluster.outerRadius+' '+this._settings.cluster.outerRadius+' '+(angle-prevAngle)*180.0/Math.PI+' '
++(angle-prevAngle>Math.PI?'1':'0')+' 0 '+prevPoint2.x+' '+prevPoint2.y+' '
++'L '+prevPoint1.x+','+prevPoint1.y+' Z';const path=Array.from(this._svgElems.cluster.querySelectorAll('path'))[i];path.setAttribute('d',d);path.setAttribute('opacity',sector.opacity);if(VGauge.isNonEmptyString(sector.fill)){path.setAttribute('fill',VGauge.hexRgbForColor(sector.fill));}
+else{path.setAttribute('fill',VGauge.hexRgbForColor(this._currentColor));}
+if(this._settings.cluster.useTickLabels){if(i===0){addSvgTickLabel(this._settings.min,this._settings.startAngle*Math.PI/180.0);}
+addSvgTickLabel(sector.sweepTo,angle);}
+prevSweepTo=sector.sweepTo;prevAngle=angle;}}
+if(this._settings.targetValue){if(VGauge.isNonEmptyString(this._settings.targetValue.indicator.path)){const d=(new DOMParser).parseFromString(this._settings.targetValue.indicator.path,"image/svg+xml").querySelector('[d]').getAttribute('d');this._svgElems.targetValueIndicator.setAttribute('d',d);}
+if(VGauge.isNonEmptyString(this._settings.targetValue.indicator.fill)){this._svgElems.targetValueIndicator.setAttribute('fill',this._settings.targetValue.indicator.fill);}else{this._svgElems.targetValueIndicator.setAttribute('fill','currentColor');}
+if(VGauge.isNonEmptyString(this._settings.targetValue.label.fontSize)){this._svgElems.targetValueLabel.setAttribute('font-size',this._settings.targetValue.label.fontSize);}
+if(VGauge.isNonEmptyString(this._settings.targetValue.label.fill)){this._svgElems.targetValueLabel.setAttribute('fill',this._settings.targetValue.label.fill);}else{this._svgElems.targetValueLabel.setAttribute('fill','currentColor');}
+this._svgElems.targetValueLabel.setAttribute('text-anchor','middle');this._svgElems.targetValueLabel.setAttribute('dominant-baseline','alphabetic');}
+if(this._settings.targetValue){this.targetValue=this._settings.targetValue.min;}
+this._initialized=true;this.refresh();}
+else{console.error(this.constructor.name+': could not find container for id '+this._id);}}
+_update(){const prevAngle=this._settings.startAngle*Math.PI/180.0;let angle=this._settings.startAngle*Math.PI/180.0+(this._value-this._settings.min)*this._settings.sweepAngle/(this._settings.max-this._settings.min)*Math.PI/180.0;const prevPoint1={x:this._settings.indicator.innerRadius*Math.cos(prevAngle),y:this._settings.indicator.innerRadius*Math.sin(prevAngle)};const prevPoint2={x:this._settings.indicator.outerRadius*Math.cos(prevAngle),y:this._settings.indicator.outerRadius*Math.sin(prevAngle)};const point1={x:this._settings.indicator.innerRadius*Math.cos(angle),y:this._settings.indicator.innerRadius*Math.sin(angle)};const point2={x:this._settings.indicator.outerRadius*Math.cos(angle),y:this._settings.indicator.outerRadius*Math.sin(angle)};this._svgElems.value.innerHTML=this._value.toFixed(this._settings.tweek.value.decimals);const d='M '+prevPoint1.x+','+prevPoint1.y+' '
++'A '+this._settings.indicator.innerRadius+' '+this._settings.indicator.innerRadius+' '+(angle-prevAngle)*180.0/Math.PI+' '
++(angle-prevAngle>Math.PI?'1':'0')+' 1 '+point1.x+' '+point1.y+' '
++'L '+point2.x+','+point2.y+' '
++'A '+this._settings.indicator.outerRadius+' '+this._settings.indicator.outerRadius+' '+(angle-prevAngle)*180.0/Math.PI+' '
++(angle-prevAngle>Math.PI?'1':'0')+' 0 '+prevPoint2.x+' '+prevPoint2.y+' '
++'L '+prevPoint1.x+','+prevPoint1.y+' Z';if(this._settings.cluster&&VGauge.isNonEmptyArray(this._settings.cluster.sectors)){let sector=this._settings.cluster.sectors.find(x=>x.sweepTo>=this._value);if(sector===undefined){sector=this._settings.cluster.sectors[0];}
+if(VGauge.isNonEmptyString(sector.fill)){this._svgElems.valueSector.setAttribute('fill',VGauge.hexRgbForColor(sector.fill));}else{this._svgElems.valueSector.setAttribute('fill',VGauge.hexRgbForColor(this._currentColor));}}
+else{this._svgElems.valueSector.setAttribute('fill',VGauge.hexRgbForColor(this._currentColor));this._svgElems.valueSector.setAttribute('opacity',1);}
+this._svgElems.valueSector.setAttribute('d',d);if(this._settings.targetValue){const tipPoint={x:0,y:0};angle=this._settings.startAngle*Math.PI/180.0+(this._targetValue-this._settings.min)*this._settings.sweepAngle/(this._settings.max-this._settings.min)*Math.PI/180.0;tipPoint.x=this._settings.targetValue.indicator.radius*Math.cos(angle);tipPoint.y=this._settings.targetValue.indicator.radius*Math.sin(angle);let rotate=angle*180.0/Math.PI-90;let transform='translate('+tipPoint.x+','+tipPoint.y+') rotate('+rotate+')';this._svgElems.targetValueIndicator.setAttribute('transform',transform);const rotateLabel=angle<Math.PI?angle+1.5*Math.PI:angle+0.5*Math.PI;const labelPoint={x:0,y:0};rotate=angle<Math.PI?angle+1.5*Math.PI:angle+0.5*Math.PI;labelPoint.x=this._settings.targetValue.label.radius*Math.cos(angle);labelPoint.y=this._settings.targetValue.label.radius*Math.sin(angle);const tr1='translate('+labelPoint.x+','+labelPoint.y+')';const rot='rotate('+(rotate*180.0/Math.PI)+')';const tr2='translate('+(this._targetValue<0?-this._targetValueLabelMinusSignWidth/2.0:0)+','+(this._targetValueLabelHeight/2.0)+')';transform=tr1+' '+rot+' '+tr2;this._svgElems.targetValueLabel.innerHTML=this._targetValue;this._svgElems.targetValueLabel.setAttribute('transform',transform);}}
+refresh(){if(!this._initialized){return;}
+this._currentColor=this._containerStyles.color;this._width=this._container.clientWidth;this._height=this._container.clientHeight;if(this._width>0&&this._height>0){this._update();}}
+get min(){return this._settings.min;}
+get max(){return this._settings.max;}
+get settings(){return this._settings;}
+set settings(obj){this._settings=obj;}
+set value(value){if(this._value!==value){if(value<this._min){this._value=this._min;}
+else if(value>this._max){this._value=this._max;}
+else{this._value=parseFloat(value);}
+if(this._initialized){this._update();}}}
+get value(){return this._value;}
+set targetValue(value){if(this._settings.targetValue){if(value!==this._targetValue){if(value<this._settings.targetValue.min){this._targetValue=parseFloat(this._settings.targetValue.min);}
+else if(value>this._settings.targetValue.max){this._targetValue=parseFloat(this._settings.targetValue.max);}
+else{this._targetValue=parseFloat(value);}
+this._update();}}}
+get targetValue(){return this._targetValue;}
+get gridOpacity(){const grid=this._svgElems.helperGrid;if(grid){return parseFloat(grid.getAttribute('opacity'));}
+return 0;}
+set gridOpacity(o){const grid=this._svgElems.helperGrid;if(grid){grid.setAttribute('opacity',o);}}
+setIconOpacity(id,opacity){const icon=this._container.querySelector('[rid="'+id+'"]');if(icon){icon.setAttribute('opacity',opacity);}}}
\ No newline at end of file