wsemi
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A support package for web developer.
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<title>estimateTicks.mjs - Documentation</title>
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<h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="wsemi.html">wsemi</a><ul class='methods'><li data-type='method'><a href="wsemi.html#.ab2blob">ab2blob</a></li><li data-type='method'><a href="wsemi.html#.ab2u8arr">ab2u8arr</a></li><li data-type='method'><a href="wsemi.html#.addExcelWorksheetFromData">addExcelWorksheetFromData</a></li><li data-type='method'><a href="wsemi.html#.addMonth">addMonth</a></li><li data-type='method'><a href="wsemi.html#.aes2str">aes2str</a></li><li data-type='method'><a href="wsemi.html#.alive">alive</a></li><li data-type='method'><a href="wsemi.html#.arr2dt">arr2dt</a></li><li data-type='method'><a href="wsemi.html#.arrAccum">arrAccum</a></li><li data-type='method'><a href="wsemi.html#.arrAdd">arrAdd</a></li><li data-type='method'><a href="wsemi.html#.arrAt">arrAt</a></li><li data-type='method'><a href="wsemi.html#.arrDiff">arrDiff</a></li><li data-type='method'><a href="wsemi.html#.arrFilterByKeywords">arrFilterByKeywords</a></li><li data-type='method'><a href="wsemi.html#.arrFilterByNum">arrFilterByNum</a></li><li data-type='method'><a href="wsemi.html#.arrFilterByPnum">arrFilterByPnum</a></li><li data-type='method'><a href="wsemi.html#.arrFilterByPnumAndToLog">arrFilterByPnumAndToLog</a></li><li data-type='method'><a href="wsemi.html#.arrFind">arrFind</a></li><li data-type='method'><a href="wsemi.html#.arrGroupByMaxmin">arrGroupByMaxmin</a></li><li data-type='method'><a href="wsemi.html#.arrHas">arrHas</a></li><li data-type='method'><a href="wsemi.html#.arrInsert">arrInsert</a></li><li data-type='method'><a href="wsemi.html#.arrLookupByMaxmin">arrLookupByMaxmin</a></li><li data-type='method'><a href="wsemi.html#.arrMax">arrMax</a></li><li data-type='method'><a href="wsemi.html#.arrMin">arrMin</a></li><li data-type='method'><a href="wsemi.html#.arrMulti">arrMulti</a></li><li data-type='method'><a href="wsemi.html#.arrNorm">arrNorm</a></li><li data-type='method'><a href="wsemi.html#.arrProduct">arrProduct</a></li><li data-type='method'><a href="wsemi.html#.arrPull">arrPull</a></li><li data-type='method'><a href="wsemi.html#.arrPullAt">arrPullAt</a></li><li data-type='method'><a href="wsemi.html#.arrReduce">arrReduce</a></li><li data-type='method'><a href="wsemi.html#.arrReverse">arrReverse</a></li><li data-type='method'><a href="wsemi.html#.arrSep">arrSep</a></li><li data-type='method'><a href="wsemi.html#.arrSort">arrSort</a></li><li data-type='method'><a href="wsemi.html#.asind">asind</a></li><li data-type='method'><a href="wsemi.html#.atan2d">atan2d</a></li><li data-type='method'><a href="wsemi.html#.atand">atand</a></li><li data-type='method'><a href="wsemi.html#.attstr">attstr</a></li><li data-type='method'><a href="wsemi.html#.b642obj">b642obj</a></li><li data-type='method'><a href="wsemi.html#.b642str">b642str</a></li><li data-type='method'><a href="wsemi.html#.b642u16arr">b642u16arr</a></li><li data-type='method'><a href="wsemi.html#.b642u8arr">b642u8arr</a></li><li data-type='method'><a href="wsemi.html#.binstr">binstr</a></li><li data-type='method'><a href="wsemi.html#.blob2ab">blob2ab</a></li><li data-type='method'><a href="wsemi.html#.blob2b64">blob2b64</a></li><li data-type='method'><a href="wsemi.html#.blob2str">blob2str</a></li><li data-type='method'><a href="wsemi.html#.blob2u8arr">blob2u8arr</a></li><li data-type='method'><a href="wsemi.html#.blobs2b64s">blobs2b64s</a></li><li data-type='method'><a href="wsemi.html#.blobs2u8arrs">blobs2u8arrs</a></li><li data-type='method'><a href="wsemi.html#.bodyLog">bodyLog</a></li><li data-type='method'><a href="wsemi.html#.browserView">browserView</a></li><li data-type='method'><a href="wsemi.html#.browserViewFromBlob">browserViewFromBlob</a></li><li data-type='method'><a href="wsemi.html#.browserViewFromText">browserViewFromText</a></li><li data-type='method'><a href="wsemi.html#.browserViewFromU8arr">browserViewFromU8arr</a></li><li data-type='method'><a href="wsemi.html#.bs2u8arr">bs2u8arr</a></li><li data-type='method'><a href="wsemi.html#.bufRead">bufRead</a></li><li data-type='method'><a href="wsemi.html#.bufReadDbl">bufReadDbl</a></li><li data-type='method'><a href="wsemi.html#.bufWrite">bufWrite</a></li><li data-type='method'><a href="wsemi.html#.bufWriteDbl">bufWriteDbl</a></li><li data-type='method'><a href="wsemi.html#.cache">cache</a></li><li data-type='method'><a href="wsemi.html#.cacheBd">cacheBd</a></li><li data-type='method'><a href="wsemi.html#.cbol">cbol</a></li><li data-type='method'><a href="wsemi.html#.cdbl">cdbl</a></li><li data-type='method'><a href="wsemi.html#.ceil">ceil</a></li><li data-type='method'><a href="wsemi.html#.cfilesize">cfilesize</a></li><li data-type='method'><a href="wsemi.html#.cfinancial">cfinancial</a></li><li data-type='method'><a href="wsemi.html#.cint">cint</a></li><li data-type='method'><a href="wsemi.html#.clearXSS">clearXSS</a></li><li data-type='method'><a href="wsemi.html#.clearXSSDyn">clearXSSDyn</a></li><li data-type='method'><a href="wsemi.html#.color">color</a></li><li data-type='method'><a href="wsemi.html#.composeToTree">composeToTree</a></li><li data-type='method'><a href="wsemi.html#.convertToTree">convertToTree</a></li><li data-type='method'><a href="wsemi.html#.copyStrToClipboard">copyStrToClipboard</a></li><li data-type='method'><a href="wsemi.html#.cosd">cosd</a></li><li data-type='method'><a href="wsemi.html#.cotd">cotd</a></li><li data-type='method'><a href="wsemi.html#.createExcelWorkbook">createExcelWorkbook</a></li><li data-type='method'><a href="wsemi.html#.cscd">cscd</a></li><li data-type='method'><a href="wsemi.html#.cstr">cstr</a></li><li data-type='method'><a href="wsemi.html#.day2cht">day2cht</a></li><li data-type='method'><a href="wsemi.html#.debounce">debounce</a></li><li data-type='method'><a href="wsemi.html#.delay">delay</a></li><li data-type='method'><a href="wsemi.html#.dig">dig</a></li><li data-type='method'><a href="wsemi.html#.digExp">digExp</a></li><li data-type='method'><a href="wsemi.html#.domAlert">domAlert</a></li><li data-type='method'><a href="wsemi.html#.domAppend">domAppend</a></li><li data-type='method'><a href="wsemi.html#.domCancelEvent">domCancelEvent</a></li><li data-type='method'><a href="wsemi.html#.domCompareText">domCompareText</a></li><li data-type='method'><a href="wsemi.html#.domCompareTextDyn">domCompareTextDyn</a></li><li data-type='method'><a href="wsemi.html#.domConvertToPic">domConvertToPic</a></li><li data-type='method'><a href="wsemi.html#.domConvertToPicDyn">domConvertToPicDyn</a></li><li data-type='method'><a href="wsemi.html#.domDetect">domDetect</a></li><li data-type='method'><a href="wsemi.html#.domDrag">domDrag</a></li><li data-type='method'><a href="wsemi.html#.domDragBarAndScroll">domDragBarAndScroll</a></li><li data-type='method'><a href="wsemi.html#.domDragPreview">domDragPreview</a></li><li data-type='method'><a href="wsemi.html#.domDropFiles">domDropFiles</a></li><li data-type='method'><a href="wsemi.html#.domElementsFromPoint">domElementsFromPoint</a></li><li data-type='method'><a href="wsemi.html#.domFadeIn">domFadeIn</a></li><li data-type='method'><a href="wsemi.html#.domFadeOut">domFadeOut</a></li><li data-type='method'><a href="wsemi.html#.domFind">domFind</a></li><li data-type='method'><a href="wsemi.html#.domFinds">domFinds</a></li><li data-type='method'><a href="wsemi.html#.domGetAttr">domGetAttr</a></li><li data-type='method'><a href="wsemi.html#.domGetBoudRect">domGetBoudRect</a></li><li data-type='method'><a href="wsemi.html#.domGetBoudRectRefSelf">domGetBoudRectRefSelf</a></li><li data-type='method'><a href="wsemi.html#.domGetFileAccept">domGetFileAccept</a></li><li data-type='method'><a href="wsemi.html#.domGetFiles">domGetFiles</a></li><li data-type='method'><a href="wsemi.html#.domGetParents">domGetParents</a></li><li data-type='method'><a href="wsemi.html#.domGetPointFromEvent">domGetPointFromEvent</a></li><li data-type='method'><a href="wsemi.html#.domGetScrollableParent">domGetScrollableParent</a></li><li data-type='method'><a href="wsemi.html#.domGetWindowSize">domGetWindowSize</a></li><li data-type='method'><a href="wsemi.html#.domIsClientXYIn">domIsClientXYIn</a></li><li data-type='method'><a href="wsemi.html#.domIsFocused">domIsFocused</a></li><li data-type='method'><a href="wsemi.html#.domIsVisible">domIsVisible</a></li><li data-type='method'><a href="wsemi.html#.domPrepend">domPrepend</a></li><li data-type='method'><a href="wsemi.html#.domRemove">domRemove</a></li><li data-type='method'><a href="wsemi.html#.domRenderMarkdownMind">domRenderMarkdownMind</a></li><li data-type='method'><a href="wsemi.html#.domRenderMarkdownMindDyn">domRenderMarkdownMindDyn</a></li><li data-type='method'><a href="wsemi.html#.domRipple">domRipple</a></li><li data-type='method'><a href="wsemi.html#.domScrollIntoView">domScrollIntoView</a></li><li data-type='method'><a href="wsemi.html#.domScrollTo">domScrollTo</a></li><li data-type='method'><a href="wsemi.html#.domShowImages">domShowImages</a></li><li data-type='method'><a href="wsemi.html#.domShowImagesDyn">domShowImagesDyn</a></li><li data-type='method'><a href="wsemi.html#.domShowInputAndGetFiles">domShowInputAndGetFiles</a></li><li data-type='method'><a href="wsemi.html#.domShowInputAndGetFilesU8Arrs">domShowInputAndGetFilesU8Arrs</a></li><li data-type='method'><a href="wsemi.html#.domShowInputDatatime">domShowInputDatatime</a></li><li data-type='method'><a href="wsemi.html#.domTooltip">domTooltip</a></li><li data-type='method'><a href="wsemi.html#.domTriggerEvent">domTriggerEvent</a></li><li data-type='method'><a href="wsemi.html#.domVirtualCreate">domVirtualCreate</a></li><li data-type='method'><a href="wsemi.html#.domVirtualCreateQueue">domVirtualCreateQueue</a></li><li data-type='method'><a href="wsemi.html#.downloadExcelFileFromData">downloadExcelFileFromData</a></li><li data-type='method'><a href="wsemi.html#.downloadExcelFileFromDataDyn">downloadExcelFileFromDataDyn</a></li><li data-type='method'><a href="wsemi.html#.downloadFileFromB64">downloadFileFromB64</a></li><li data-type='method'><a href="wsemi.html#.downloadFileFromBlob">downloadFileFromBlob</a></li><li data-type='method'><a href="wsemi.html#.downloadFileFromText">downloadFileFromText</a></li><li data-type='method'><a href="wsemi.html#.downloadFileFromU8Arr">downloadFileFromU8Arr</a></li><li data-type='method'><a href="wsemi.html#.dtmapping">dtmapping</a></li><li data-type='method'><a href="wsemi.html#.dtpick">dtpick</a></li><li data-type='method'><a href="wsemi.html#.estimateTicks">estimateTicks</a></li><li data-type='method'><a href="wsemi.html#.evem">evem</a></li><li data-type='method'><a href="wsemi.html#.execProcess">execProcess</a></li><li data-type='method'><a href="wsemi.html#.execProcessKillPid">execProcessKillPid</a></li><li data-type='method'><a href="wsemi.html#.execPyodide">execPyodide</a></li><li data-type='method'><a href="wsemi.html#.execPyodideDyn">execPyodideDyn</a></li><li data-type='method'><a href="wsemi.html#.f2c">f2c</a></li><li data-type='method'><a href="wsemi.html#.filepathToTree">filepathToTree</a></li><li data-type='method'><a href="wsemi.html#.files2data">files2data</a></li><li data-type='method'><a href="wsemi.html#.flattenToConn">flattenToConn</a></li><li data-type='method'><a href="wsemi.html#.flattenTree">flattenTree</a></li><li data-type='method'><a href="wsemi.html#.floor">floor</a></li><li data-type='method'><a href="wsemi.html#.fsBuildReadStreamText">fsBuildReadStreamText</a></li><li data-type='method'><a href="wsemi.html#.fsBuildWriteStreamText">fsBuildWriteStreamText</a></li><li data-type='method'><a href="wsemi.html#.fsCleanFolder">fsCleanFolder</a></li><li data-type='method'><a href="wsemi.html#.fsCleanFolderCore">fsCleanFolderCore</a></li><li data-type='method'><a href="wsemi.html#.fsCopyFile">fsCopyFile</a></li><li data-type='method'><a href="wsemi.html#.fsCopyFileCore">fsCopyFileCore</a></li><li data-type='method'><a href="wsemi.html#.fsCopyFolder">fsCopyFolder</a></li><li data-type='method'><a href="wsemi.html#.fsCopyFolderCore">fsCopyFolderCore</a></li><li data-type='method'><a href="wsemi.html#.fsCreateFile">fsCreateFile</a></li><li data-type='method'><a href="wsemi.html#.fsCreateFileCore">fsCreateFileCore</a></li><li data-type='method'><a href="wsemi.html#.fsCreateFolder">fsCreateFolder</a></li><li data-type='method'><a href="wsemi.html#.fsCreateFolderCore">fsCreateFolderCore</a></li><li data-type='method'><a href="wsemi.html#.fsDeleteFile">fsDeleteFile</a></li><li data-type='method'><a href="wsemi.html#.fsDeleteFileCore">fsDeleteFileCore</a></li><li data-type='method'><a href="wsemi.html#.fsDeleteFileSafe">fsDeleteFileSafe</a></li><li data-type='method'><a href="wsemi.html#.fsDeleteFileSafeCore">fsDeleteFileSafeCore</a></li><li data-type='method'><a href="wsemi.html#.fsDeleteFolder">fsDeleteFolder</a></li><li data-type='method'><a href="wsemi.html#.fsDeleteFolderCore">fsDeleteFolderCore</a></li><li data-type='method'><a href="wsemi.html#.fsDeleteFolderSafe">fsDeleteFolderSafe</a></li><li data-type='method'><a href="wsemi.html#.fsDeleteFolderSafeCore">fsDeleteFolderSafeCore</a></li><li data-type='method'><a href="wsemi.html#.fsDownloadFile">fsDownloadFile</a></li><li data-type='method'><a href="wsemi.html#.fsDownloadFileCore">fsDownloadFileCore</a></li><li data-type='method'><a href="wsemi.html#.fsEvem">fsEvem</a></li><li data-type='method'><a href="wsemi.html#.fsGetFileBasicHash">fsGetFileBasicHash</a></li><li data-type='method'><a href="wsemi.html#.fsGetFileBasicHashCore">fsGetFileBasicHashCore</a></li><li data-type='method'><a href="wsemi.html#.fsGetFileHash">fsGetFileHash</a></li><li data-type='method'><a href="wsemi.html#.fsGetFileHashCore">fsGetFileHashCore</a></li><li data-type='method'><a href="wsemi.html#.fsGetFileXxHash">fsGetFileXxHash</a></li><li data-type='method'><a href="wsemi.html#.fsGetFileXxHashCore">fsGetFileXxHashCore</a></li><li data-type='method'><a href="wsemi.html#.fsGetFilesInFolder">fsGetFilesInFolder</a></li><li data-type='method'><a href="wsemi.html#.fsGetFilesInFolderCore">fsGetFilesInFolderCore</a></li><li data-type='method'><a href="wsemi.html#.fsGetFilesWithHashInFolder">fsGetFilesWithHashInFolder</a></li><li data-type='method'><a href="wsemi.html#.fsGetFilesWithHashInFolderCore">fsGetFilesWithHashInFolderCore</a></li><li data-type='method'><a href="wsemi.html#.fsGetFoldersInFolder">fsGetFoldersInFolder</a></li><li data-type='method'><a href="wsemi.html#.fsGetFoldersInFolderCore">fsGetFoldersInFolderCore</a></li><li data-type='method'><a href="wsemi.html#.fsIsFile">fsIsFile</a></li><li data-type='method'><a href="wsemi.html#.fsIsFileCore">fsIsFileCore</a></li><li data-type='method'><a href="wsemi.html#.fsIsFolder">fsIsFolder</a></li><li data-type='method'><a href="wsemi.html#.fsIsFolderCore">fsIsFolderCore</a></li><li data-type='method'><a href="wsemi.html#.fsMergeFiles">fsMergeFiles</a></li><li data-type='method'><a href="wsemi.html#.fsMergeFilesCore">fsMergeFilesCore</a></li><li data-type='method'><a href="wsemi.html#.fsReadText">fsReadText</a></li><li data-type='method'><a href="wsemi.html#.fsReadTextCore">fsReadTextCore</a></li><li data-type='method'><a href="wsemi.html#.fsRenameFile">fsRenameFile</a></li><li data-type='method'><a href="wsemi.html#.fsRenameFileCore">fsRenameFileCore</a></li><li data-type='method'><a href="wsemi.html#.fsRenameFolder">fsRenameFolder</a></li><li data-type='method'><a href="wsemi.html#.fsRenameFolderCore">fsRenameFolderCore</a></li><li data-type='method'><a href="wsemi.html#.fsSrlog">fsSrlog</a></li><li data-type='method'><a href="wsemi.html#.fsTask">fsTask</a></li><li data-type='method'><a href="wsemi.html#.fsTreeFolder">fsTreeFolder</a></li><li data-type='method'><a href="wsemi.html#.fsTreeFolderCore">fsTreeFolderCore</a></li><li data-type='method'><a href="wsemi.html#.fsWatchFile">fsWatchFile</a></li><li data-type='method'><a href="wsemi.html#.fsWatchFolder">fsWatchFolder</a></li><li data-type='method'><a href="wsemi.html#.fsWriteText">fsWriteText</a></li><li data-type='method'><a href="wsemi.html#.fsWriteTextCore">fsWriteTextCore</a></li><li data-type='method'><a href="wsemi.html#.genGradientColor">genGradientColor</a></li><li data-type='method'><a href="wsemi.html#.genID">genID</a></li><li data-type='method'><a href="wsemi.html#.genIDSeq">genIDSeq</a></li><li data-type='method'><a href="wsemi.html#.genPm">genPm</a></li><li data-type='method'><a href="wsemi.html#.getBufferSize">getBufferSize</a></li><li data-type='method'><a href="wsemi.html#.getClearPathName">getClearPathName</a></li><li data-type='method'><a href="wsemi.html#.getCsvStrFromData">getCsvStrFromData</a></li><li data-type='method'><a href="wsemi.html#.getDataFromExcelFileU8Arr">getDataFromExcelFileU8Arr</a></li><li data-type='method'><a href="wsemi.html#.getDataFromExcelFileU8ArrDyn">getDataFromExcelFileU8ArrDyn</a></li><li data-type='method'><a href="wsemi.html#.getEnv">getEnv</a></li><li data-type='method'><a href="wsemi.html#.getExcelU8ArrFromData">getExcelU8ArrFromData</a></li><li data-type='method'><a href="wsemi.html#.getExcelU8ArrFromWorkbook">getExcelU8ArrFromWorkbook</a></li><li data-type='method'><a href="wsemi.html#.getExcelWorkbookFromData">getExcelWorkbookFromData</a></li><li data-type='method'><a href="wsemi.html#.getExcelWorkbookFromWorksheet">getExcelWorkbookFromWorksheet</a></li><li data-type='method'><a href="wsemi.html#.getExcelWorksheetFromData">getExcelWorksheetFromData</a></li><li data-type='method'><a href="wsemi.html#.getFileAccept">getFileAccept</a></li><li data-type='method'><a href="wsemi.html#.getFileBasicHash">getFileBasicHash</a></li><li data-type='method'><a href="wsemi.html#.getFileHash">getFileHash</a></li><li data-type='method'><a href="wsemi.html#.getFileName">getFileName</a></li><li data-type='method'><a href="wsemi.html#.getFileNameExt">getFileNameExt</a></li><li data-type='method'><a href="wsemi.html#.getFileTrueName">getFileTrueName</a></li><li data-type='method'><a href="wsemi.html#.getFileType">getFileType</a></li><li data-type='method'><a href="wsemi.html#.getFileXxHash">getFileXxHash</a></li><li data-type='method'><a href="wsemi.html#.getGlobal">getGlobal</a></li><li data-type='method'><a href="wsemi.html#.getObjSize">getObjSize</a></li><li data-type='method'><a href="wsemi.html#.getPathParent">getPathParent</a></li><li data-type='method'><a href="wsemi.html#.getTimeBetween">getTimeBetween</a></li><li data-type='method'><a href="wsemi.html#.getTimeFromUnit">getTimeFromUnit</a></li><li data-type='method'><a href="wsemi.html#.getTimeHp">getTimeHp</a></li><li data-type='method'><a href="wsemi.html#.getTimeObject">getTimeObject</a></li><li data-type='method'><a href="wsemi.html#.getTimeRange">getTimeRange</a></li><li data-type='method'><a href="wsemi.html#.getUserAgent">getUserAgent</a></li><li data-type='method'><a href="wsemi.html#.getUserAgentDyn">getUserAgentDyn</a></li><li data-type='method'><a href="wsemi.html#.getltdtkeys">getltdtkeys</a></li><li data-type='method'><a href="wsemi.html#.haskey">haskey</a></li><li data-type='method'><a href="wsemi.html#.html2pic">html2pic</a></li><li data-type='method'><a href="wsemi.html#.html2picDyn">html2picDyn</a></li><li data-type='method'><a href="wsemi.html#.html2str">html2str</a></li><li data-type='method'><a href="wsemi.html#.html2strDyn">html2strDyn</a></li><li data-type='method'><a href="wsemi.html#.htmlDecode">htmlDecode</a></li><li data-type='method'><a href="wsemi.html#.htmlEncode">htmlEncode</a></li><li data-type='method'><a href="wsemi.html#.importResources">importResources</a></li><li data-type='method'><a href="wsemi.html#.interp1">interp1</a></li><li data-type='method'><a href="wsemi.html#.isDate">isDate</a></li><li data-type='method'><a href="wsemi.html#.isDev">isDev</a></li><li data-type='method'><a href="wsemi.html#.isEle">isEle</a></li><li data-type='method'><a href="wsemi.html#.isEleExistByID">isEleExistByID</a></li><li data-type='method'><a href="wsemi.html#.isEmail">isEmail</a></li><li data-type='method'><a href="wsemi.html#.isErr">isErr</a></li><li data-type='method'><a href="wsemi.html#.isIE">isIE</a></li><li data-type='method'><a href="wsemi.html#.isNarrow">isNarrow</a></li><li data-type='method'><a href="wsemi.html#.isStrHasCapital">isStrHasCapital</a></li><li data-type='method'><a href="wsemi.html#.isStrHasLowerCase">isStrHasLowerCase</a></li><li data-type='method'><a href="wsemi.html#.isStrHasNumber">isStrHasNumber</a></li><li data-type='method'><a 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href="wsemi.html#.isestr">isestr</a></li><li data-type='method'><a href="wsemi.html#.isfile">isfile</a></li><li data-type='method'><a href="wsemi.html#.isfun">isfun</a></li><li data-type='method'><a href="wsemi.html#.isint">isint</a></li><li data-type='method'><a href="wsemi.html#.ismonth">ismonth</a></li><li data-type='method'><a href="wsemi.html#.isn0int">isn0int</a></li><li data-type='method'><a href="wsemi.html#.isn0num">isn0num</a></li><li data-type='method'><a href="wsemi.html#.isnan">isnan</a></li><li data-type='method'><a href="wsemi.html#.isnbr">isnbr</a></li><li data-type='method'><a href="wsemi.html#.isnint">isnint</a></li><li data-type='method'><a href="wsemi.html#.isnnum">isnnum</a></li><li data-type='method'><a href="wsemi.html#.isnull">isnull</a></li><li data-type='method'><a href="wsemi.html#.isnum">isnum</a></li><li data-type='method'><a href="wsemi.html#.isobj">isobj</a></li><li data-type='method'><a href="wsemi.html#.isobj0">isobj0</a></li><li data-type='method'><a href="wsemi.html#.isp0int">isp0int</a></li><li data-type='method'><a href="wsemi.html#.isp0num">isp0num</a></li><li data-type='method'><a href="wsemi.html#.ispint">ispint</a></li><li data-type='method'><a href="wsemi.html#.ispm">ispm</a></li><li data-type='method'><a href="wsemi.html#.ispnum">ispnum</a></li><li data-type='method'><a href="wsemi.html#.isstr">isstr</a></li><li data-type='method'><a href="wsemi.html#.isstr0">isstr0</a></li><li data-type='method'><a href="wsemi.html#.istime">istime</a></li><li data-type='method'><a href="wsemi.html#.istimeTZ">istimeTZ</a></li><li data-type='method'><a href="wsemi.html#.istimems">istimems</a></li><li data-type='method'><a href="wsemi.html#.istimemsTZ">istimemsTZ</a></li><li data-type='method'><a href="wsemi.html#.isu16arr">isu16arr</a></li><li data-type='method'><a href="wsemi.html#.isu8arr">isu8arr</a></li><li data-type='method'><a href="wsemi.html#.isundefined">isundefined</a></li><li data-type='method'><a 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href="wsemi.html#.obj2u8arr">obj2u8arr</a></li><li data-type='method'><a href="wsemi.html#.objSortBy">objSortBy</a></li><li data-type='method'><a href="wsemi.html#.objSortByKeys">objSortByKeys</a></li><li data-type='method'><a href="wsemi.html#.ocr">ocr</a></li><li data-type='method'><a href="wsemi.html#.ocrDyn">ocrDyn</a></li><li data-type='method'><a href="wsemi.html#.oo">oo</a></li><li data-type='method'><a href="wsemi.html#.openLink">openLink</a></li><li data-type='method'><a href="wsemi.html#.pb642obj">pb642obj</a></li><li data-type='method'><a href="wsemi.html#.pmChain">pmChain</a></li><li data-type='method'><a href="wsemi.html#.pmConvertResolve">pmConvertResolve</a></li><li data-type='method'><a href="wsemi.html#.pmDebounce">pmDebounce</a></li><li data-type='method'><a href="wsemi.html#.pmHook">pmHook</a></li><li data-type='method'><a href="wsemi.html#.pmHookReject">pmHookReject</a></li><li data-type='method'><a href="wsemi.html#.pmIni">pmIni</a></li><li data-type='method'><a 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<h1 class="page-title">estimateTicks.mjs</h1>
<section>
<article>
<pre class="prettyprint source linenums"><code>import get from 'lodash-es/get.js'
import each from 'lodash-es/each.js'
import range from 'lodash-es/range.js'
import first from 'lodash-es/first.js'
import last from 'lodash-es/last.js'
import sortBy from 'lodash-es/sortBy.js'
import filter from 'lodash-es/filter.js'
import isnum from './isnum.mjs'
import isearr from './isearr.mjs'
import isint from './isint.mjs'
import cdbl from './cdbl.mjs'
import round from './round.mjs'
import ceil from './ceil.mjs'
import preciseNum from './preciseNum.mjs'
let norm = (v) => {
let b = 1
if (v < 0) {
b = -1
}
v = Math.abs(v)
let rr = null
if (v < 0.1) {
for (let i = 1; i < 16; i++) {
let r = Math.pow(10, i)
v *= r
if (v < 1) {
rr = {
r: 1 / r, //乘值恢復v
v: b * v,
}
break
}
}
}
else if (v < 1) {
return {
r: 1, //乘值恢復v
v: b * v,
}
}
else if (v >= 1) {
for (let i = 1; i < 16; i++) {
let r = Math.pow(10, i)
v /= r
if (v < 1) {
rr = {
r, //乘值恢復v
v: b * v,
}
break
}
}
}
if (rr === null) {
throw new Error(`can not normalize v[${v}]`)
}
return rr
}
/**
* 給予最小與最大值，估計適合的繪圖刻度
*
* Unit Test: {@link https://github.com/yuda-lyu/./blob/master/test/estimateTicks.test.mjs Github}
* @memberOf wsemi
* @param {Number|String} rmin 輸入數字或字串
* @param {Number|String} rmax 輸入數字或字串
* @param {Object} [opt={}] 輸入設定物件，預設{}
* @param {Array} [opt.testTickNums=[3, 4, 5]] 輸入可供測試刻度數量陣列，預設[3, 4, 5]
* @returns {Object} 回傳繪圖刻度物件，包含刻度數量tickNum、刻度間距tickInterval、刻度位置tickPositions
* @example
*
* let rmin = null
* let rmax = null
* let r = null
*
* // -4.66~-3.11
* rmin = -4.66
* rmax = -3.11
* r = estimateTicks(rmin, rmax)
* console.log('rmin', rmin, 'rmax', rmax, 'r', r)
* // => rmin -4.66 rmax -3.11 r { tickNum: 3, tickInterval: 0.8, tickPositions: [ -4.7, -3.9, -3.1 ], tickDig: 1 }
*
* // 0~0.9
* rmin = 0
* rmax = 0.9
* r = estimateTicks(rmin, rmax)
* console.log('rmin', rmin, 'rmax', rmax, 'r', r)
* // => rmin 0 rmax 0.9 r { tickNum: 3, tickInterval: 0.5, tickPositions: [ 0, 0.5, 1 ], tickDig: 1 }
*
* // 0~1
* rmin = 0
* rmax = 1
* r = estimateTicks(rmin, rmax)
* console.log('rmin', rmin, 'rmax', rmax, 'r', r)
* // => rmin 0 rmax 1 r { tickNum: 3, tickInterval: 0.5, tickPositions: [ 0, 0.5, 1 ], tickDig: 1 }
*
* // 0~99
* rmin = 0
* rmax = 99
* r = estimateTicks(rmin, rmax)
* console.log('rmin', rmin, 'rmax', rmax, 'r', r)
* // => rmin 0 rmax 99 r { tickNum: 3, tickInterval: 50, tickPositions: [ 0, 50, 100 ], tickDig: 0 }
*
* // 0~100
* rmin = 0
* rmax = 100
* r = estimateTicks(rmin, rmax)
* console.log('rmin', rmin, 'rmax', rmax, 'r', r)
* // => rmin 0 rmax 100 r { tickNum: 3, tickInterval: 50, tickPositions: [ 0, 50, 100 ], tickDig: 0 }
*
* // 0.1~0.9
* rmin = 0.1
* rmax = 0.9
* r = estimateTicks(rmin, rmax)
* console.log('rmin', rmin, 'rmax', rmax, 'r', r)
* // => rmin 0.1 rmax 0.9 r { tickNum: 3, tickInterval: 0.4, tickPositions: [ 0.1, 0.5, 0.9 ], tickDig: 1 }
*
* // 0.1~1
* rmin = 0.1
* rmax = 1
* r = estimateTicks(rmin, rmax)
* console.log('rmin', rmin, 'rmax', rmax, 'r', r)
* // => rmin 0.1 rmax 1 r { tickNum: 3, tickInterval: 0.5, tickPositions: [ 0, 0.5, 1 ], tickDig: 1 }
*
* // 0.1~99
* rmin = 0.1
* rmax = 99
* r = estimateTicks(rmin, rmax)
* console.log('rmin', rmin, 'rmax', rmax, 'r', r)
* // => rmin 0.1 rmax 99 r { tickNum: 3, tickInterval: 50, tickPositions: [ 0, 50, 100 ], tickDig: 0 }
*
* // 0.1~100
* rmin = 0.1
* rmax = 100
* r = estimateTicks(rmin, rmax)
* console.log('rmin', rmin, 'rmax', rmax, 'r', r)
* // => rmin 0.1 rmax 100 r { tickNum: 3, tickInterval: 50, tickPositions: [ 0, 50, 100 ], tickDig: 0 }
*
* // 0.1~100.1
* rmin = 0.1
* rmax = 100.1
* r = estimateTicks(rmin, rmax)
* console.log('rmin', rmin, 'rmax', rmax, 'r', r)
* // => rmin 0.1 rmax 100.1 r { tickNum: 4, tickInterval: 34, tickPositions: [ 0, 34, 68, 102 ], tickDig: 0 }
*
* // 0.89~0.9
* rmin = 0.89
* rmax = 0.9
* r = estimateTicks(rmin, rmax)
* console.log('rmin', rmin, 'rmax', rmax, 'r', r)
* // => rmin 0.89 rmax 0.9 r { tickNum: 3, tickInterval: 0.01, tickPositions: [ 0.88, 0.89, 0.9 ], tickDig: 1 }
*
* // 0.89~1
* rmin = 0.89
* rmax = 1
* r = estimateTicks(rmin, rmax)
* console.log('rmin', rmin, 'rmax', rmax, 'r', r)
* // => rmin 0.89 rmax 1 r { tickNum: 3, tickInterval: 0.1, tickPositions: [ 0.8, 0.9, 1 ], tickDig: 1 }
*
* // 0.89~99
* rmin = 0.89
* rmax = 99
* r = estimateTicks(rmin, rmax)
* console.log('rmin', rmin, 'rmax', rmax, 'r', r)
* // => rmin 0.89 rmax 99 r { tickNum: 3, tickInterval: 50, tickPositions: [ 0, 50, 100 ], tickDig: 0 }
*
* // 0.89~100
* rmin = 0.89
* rmax = 100
* r = estimateTicks(rmin, rmax)
* console.log('rmin', rmin, 'rmax', rmax, 'r', r)
* // => rmin 0.89 rmax 100 r { tickNum: 3, tickInterval: 50, tickPositions: [ 0, 50, 100 ], tickDig: 0 }
*
* // 0.89~100.89
* rmin = 0.89
* rmax = 100.89
* r = estimateTicks(rmin, rmax)
* console.log('rmin', rmin, 'rmax', rmax, 'r', r)
* // => rmin 0.89 rmax 100.89 r { tickNum: 4, tickInterval: 34, tickPositions: [ 0, 34, 68, 102 ], tickDig: 0 }
*
* // 50.89~99
* rmin = 50.89
* rmax = 99
* r = estimateTicks(rmin, rmax)
* console.log('rmin', rmin, 'rmax', rmax, 'r', r)
* // => rmin 50.89 rmax 99 r { tickNum: 3, tickInterval: 25, tickPositions: [ 50, 75, 100 ], tickDig: 0 }
*
* // 50.89~100
* rmin = 50.89
* rmax = 100
* r = estimateTicks(rmin, rmax)
* console.log('rmin', rmin, 'rmax', rmax, 'r', r)
* // => rmin 50.89 rmax 100 r { tickNum: 3, tickInterval: 25, tickPositions: [ 50, 75, 100 ], tickDig: 0 }
*
* // 90.89~99
* rmin = 90.89
* rmax = 99
* r = estimateTicks(rmin, rmax)
* console.log('rmin', rmin, 'rmax', rmax, 'r', r)
* // => rmin 90.89 rmax 99 r { tickNum: 4, tickInterval: 3, tickPositions: [ 90, 93, 96, 99 ], tickDig: 0 }
*
* // 90.89~100
* rmin = 90.89
* rmax = 100
* r = estimateTicks(rmin, rmax)
* console.log('rmin', rmin, 'rmax', rmax, 'r', r)
* // => rmin 90.89 rmax 100 r { tickNum: 3, tickInterval: 5, tickPositions: [ 90, 95, 100 ], tickDig: 0 }
*
* // 98.9~99
* rmin = 98.9
* rmax = 99
* r = estimateTicks(rmin, rmax)
* console.log('rmin', rmin, 'rmax', rmax, 'r', r)
* // => rmin 98.9 rmax 99 r { tickNum: 3, tickInterval: 1, tickPositions: [ 98, 99, 100 ], tickDig: 0 }
*
* // 98.9~100
* rmin = 98.9
* rmax = 100
* r = estimateTicks(rmin, rmax)
* console.log('rmin', rmin, 'rmax', rmax, 'r', r)
* // => rmin 98.9 rmax 100 r { tickNum: 3, tickInterval: 1, tickPositions: [ 98, 99, 100 ], tickDig: 0 }
*
*/
function estimateTicks(rmin, rmax, opt = {}) {
//check rmin
if (!isnum(rmin)) {
throw new Error(`rmin is not a number`)
}
rmin = cdbl(rmin)
//check rmax
if (!isnum(rmax)) {
throw new Error(`rmax is not a number`)
}
rmax = cdbl(rmax)
//check rmin=rmax
if (rmin === rmax) {
let tickInterval = null
if (rmin === 0) {
tickInterval = 1
}
else {
tickInterval = Math.abs(rmin / 10)
}
let tickDig = preciseNum(tickInterval, { returnDigit: true })
// console.log('tickDig', tickDig)
tickInterval = round(tickInterval, tickDig)
return {
tickNum: 3,
tickInterval,
tickPositions: [rmin - tickInterval, rmin, rmin + tickInterval],
tickDig,
}
}
//check rmin>rmax
if (rmin > rmax) {
throw new Error(`rmin[${rmin}] > rmax[${rmax}]`)
}
//testTickNums
let testTickNums = get(opt, 'testTickNums')
if (!isearr(testTickNums)) {
testTickNums = [3, 4, 5]
}
let vmin = rmin
let vmax = rmax
// console.log('vmin', vmin)
// console.log('vmax', vmax)
let nmMin = norm(vmin)
let nmMax = norm(vmax)
let rat = Math.max(nmMin.r, nmMax.r)
let irat = Math.log10(rat)
// console.log('rat', rat, 'irat', irat, 'nmMin.r', nmMin.r, 'nmMax.r', nmMax.r)
let yMin = vmin / rat
let yMax = vmax / rat
// console.log('yMin', yMin)
// console.log('yMax', yMax)
let yCenter = (yMin + yMax) / 2
// console.log('yCenter', yCenter)
let yRng = yMax - yMin
// console.log('yRng', yRng)
let tks = []
each(testTickNums, (tickNum) => {
// console.log('tickNum', tickNum)
let yIntrv = yRng / (tickNum - 1)
// console.log('yIntrv', yIntrv)
// let yIntrvStr = preciseNum(yIntrv)
// console.log('yIntrvStr', yIntrvStr)
let yIntrvIdg = preciseNum(yIntrv, { returnDigit: true })
// console.log('yIntrvIdg', yIntrvIdg)
//限制yIntrvIdg, 因數據已正規化, 只選擇小數位2位以內去測試
yIntrvIdg = Math.min(yIntrvIdg, 2)
//testIdgs
let testIdgs = range(yIntrvIdg, -1, -1)
// console.log('testIdgs', testIdgs)
each(testIdgs, (idg) => {
// console.log('idg', idg)
//idgTrue
let idgTrue = idg - irat
idgTrue = Math.max(idgTrue, 0)
// console.log('idgTrue', idgTrue)
//間距取指定位數之大值
let testTickInterval = ceil(yIntrv, idg)
// console.log('testTickInterval', testTickInterval)
//testTickIntervalDown
let testTickIntervalDown = testTickInterval - 1 / Math.pow(10, idg)
testTickIntervalDown = round(testTickIntervalDown, idg)
// console.log('testTickIntervalDown', testTickIntervalDown)
//testTickIntervalUp
let testTickIntervalUp = testTickInterval + 1 / Math.pow(10, idg)
testTickIntervalUp = round(testTickIntervalUp, idg)
// console.log('testTickIntervalUp', testTickIntervalUp)
//testTickIntervals, 添加上下同小數位數之間距
let testTickIntervals = [
testTickIntervalDown,
testTickInterval,
testTickIntervalUp,
]
testTickIntervals = filter(testTickIntervals, (v) => {
return v > 0
})
// console.log('testTickIntervals', testTickIntervals)
//重新指定數據中點
let testCenter = round(yCenter, idg)
// console.log('testCenter', testCenter)
//testCenterDown
let testCenterDown = testCenter - 1 / Math.pow(10, idg)
testCenterDown = round(testCenterDown, idg)
// console.log('testCenterDown', testCenterDown)
//testCenterUp
let testCenterUp = testCenter + 1 / Math.pow(10, idg)
testCenterUp = round(testCenterUp, idg)
// console.log('testCenterUp', testCenterUp)
//testCenters, 添加上下同小數位數之數據中點
let testCenters = [
testCenterDown,
testCenter,
testCenterUp,
]
// console.log('testCenters', testCenters)
each(testTickIntervals, (tickInterval) => {
//tickIntervalTrue
let tickIntervalTrue = rat * tickInterval
tickIntervalTrue = round(tickIntervalTrue, idgTrue)
// console.log('tickIntervalTrue', tickIntervalTrue)
each(testCenters, (rngCenter) => {
//tickPositions, tickPositionsTrue
let tickPositions = []
let tickPositionsTrue = []
if (true) {
let tickNumHalf = (tickNum - 1) / 2
let tMin = rngCenter - tickNumHalf * tickInterval
for (let i = 0; i < tickNum; i++) {
let v = tMin + i * tickInterval
v = round(v, idg)
tickPositions.push(v)
let vTrue = rat * v
vTrue = round(vTrue, idgTrue)
tickPositionsTrue.push(vTrue)
}
}
// console.log('tickPositions', tickPositions)
//minTick
let minTick = first(tickPositions)
// console.log('minTick', minTick)
//maxTick
let maxTick = last(tickPositions)
// console.log('maxTick', maxTick)
//check
if (minTick > yMin || maxTick < yMax) {
return true //跳出換下一個
}
//overMin
let overMin = (yMin - minTick) / yRng
// console.log('overMin', overMin)
//overMax
let overMax = (maxTick - yMax) / yRng
// console.log('overMax', overMax)
//rd
let rd = (overMin + overMax) / 2
// console.log('rd', rd)
//numInt, 真實刻度值為整數時, 降低權重
let numInt = 0
each(tickPositionsTrue, (v) => {
if (isint(v)) {
numInt++
}
})
let ratInt = numInt / tickNum
// console.log('numInt', numInt)
// console.log('ratInt', ratInt)
//num0, 正規化刻度值為0時, 降低權重
let num0 = 0
each(tickPositions, (v) => {
if (v === 0) {
num0++
}
})
let rat0 = num0 / tickNum
// console.log('num0', num0)
// console.log('rat0', rat0)
//num5, 正規化刻度值為5,50,500...等序列時, 降低權重
let num5 = 0
each(tickPositions, (v) => {
if (v === 0.5) {
num5++
}
})
let rat5 = num5 / tickNum
// console.log('num5', num5)
// console.log('rat5', rat5)
//num10, 正規化刻度值為10,100,1000...等序列時, 降低權重
let num10 = 0
each(tickPositions, (v) => {
if (v === 1) {
num10++
}
})
let rat10 = num10 / tickNum
// console.log('num10', num10)
// console.log('rat10', rat10)
//fitness, 適應函數值
let fitness = rd + (idg * 0.2) + (tickNum * 0.1) + (overMin * 1.5) + (overMax * 1.5) + (1 - ratInt * 0.25) + (1 - rat0 * 0.4) + (1 - rat5 * 0.3) + (1 - rat10 * 0.3)
//tk
let tk = {
diff: rd,
rngCenter,
numInt,
ratInt,
num0,
rat0,
num5,
rat5,
num10,
rat10,
overMin,
overMax,
fitness,
idg,
tickNum,
_tickDig: idg,
// __tickInterval: yIntrv,
_tickInterval: tickInterval,