{"templateId":"markdown","sharedDataIds":{"sidebar":"sidebar-guides/sidebars.yaml"},"props":{"metadata":{"markdoc":{"tagList":["tabs","tab"]},"type":"markdown"},"seo":{"title":"Normalization","description":"Accelerate E&P application development and protect your innovation by consuming our Data and Domain APIs / Platform APIs.","lang":"en-US","meta":[{"name":"robots","content":"noindex"}],"llmstxt":{"hide":true,"excludeFiles":[]}},"dynamicMarkdocComponents":[],"compilationErrors":[],"ast":{"$$mdtype":"Tag","name":"article","attributes":{},"children":[{"$$mdtype":"Tag","name":"Heading","attributes":{"level":1,"id":"normalization","__idx":0},"children":["Normalization"]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["This tutorial demonstrates easy steps to apply a normalization process and customize limits in the seismic pipeline before displaying. The default trace processes in the ",{"$$mdtype":"Tag","name":"MarkdownLink","attributes":{"href":"#/doc/classes/geotoolkit.seismic.pipeline.seismicpipeline.seismicpipeline.html"},"children":["Seismic Pipeline"]}," are data normalization, interpolation, and rasterization in that order. Any additional processors need to be applied before normalization, so they are inserted between the seismic reader and data normalization. The Seismic API offers several types of Normalization as shown below. The user can also provide custom limits to make comparison between datasets easier."]},{"$$mdtype":"Tag","name":"Heading","attributes":{"level":3,"id":"normalization-types","__idx":1},"children":[{"$$mdtype":"Tag","name":"MarkdownLink","attributes":{"href":"#/Seismic/Normalization/normalization#normalizationTypes"},"children":["#"]}," Normalization Types"]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["The ",{"$$mdtype":"Tag","name":"code","attributes":{},"children":["geotoolkit/seismic/pipeline/SeismicPipeline"]}," includes several types of normalization processes:"]},{"$$mdtype":"Tag","name":"ul","attributes":{},"children":[{"$$mdtype":"Tag","name":"li","attributes":{},"children":["Maximum: Uses the maximum amplitude of all samples in the all traces."]},{"$$mdtype":"Tag","name":"li","attributes":{},"children":["TraceMaximum: Uses the maximum amplitude of all samples in the trace."]},{"$$mdtype":"Tag","name":"li","attributes":{},"children":["Average number: Uses all traces average absolute value as a normalization amplitude."]},{"$$mdtype":"Tag","name":"li","attributes":{},"children":["TraceAverage: Uses trace average absolute value as a normalization amplitude."]},{"$$mdtype":"Tag","name":"li","attributes":{},"children":["RMS number: Uses the mean square of all samples in the all traces."]},{"$$mdtype":"Tag","name":"li","attributes":{},"children":["TraceRMS: Uses the mean square of all samples in the trace."]},{"$$mdtype":"Tag","name":"li","attributes":{},"children":["Limits: Uses custom normalization limits."]}]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["The code below shows how to apply the RMS normalization process on the seismic pipeline before displaying inside a seismic widget."]},{"$$mdtype":"Tag","name":"Tabs","attributes":{"size":"medium"},"children":[{"$$mdtype":"Tag","name":"div","attributes":{"label":"main","disable":false},"children":[{"$$mdtype":"Tag","name":"CodeBlock","attributes":{"data-language":"ts","header":{"controls":{"copy":{}}},"source":"import { NormalizationType } from \"@int/geotoolkit/seismic/pipeline/NormalizationType.ts\";\nimport { SeismicColors } from \"@int/geotoolkit/seismic/util/SeismicColors.ts\";\nimport { SeismicPipeline } from \"@int/geotoolkit/seismic/pipeline/SeismicPipeline.ts\";\nimport { Plot } from \"@int/geotoolkit/plot/Plot.ts\";\nimport { createSeismicReader, createWidget } from \"/src/code/Seismic/Normalization/common.ts\";\nfunction createScene(canvas) {\n  const seismicReader = createSeismicReader();\n  const pipeline = new SeismicPipeline({\n    \"name\": \"MemorySeismic\",\n    \"reader\": seismicReader,\n    \"statistics\": seismicReader.getStatistics()\n  });\n  const colorProvider = SeismicColors.getDefault();\n  pipeline.setOptions({\n    \"colors\": {\n      \"colormap\": colorProvider.createNamedColorMap(\"RedWhiteBlue\")\n    },\n    \"normalization\": {\n      \"type\": NormalizationType.RMS\n    },\n    \"plot\": {\n      \"type\": {\n        \"wiggle\": true,\n        \"interpolateddensity\": true\n      },\n      \"decimationspacing\": 5\n    }\n  });\n  const widget = createWidget(pipeline);\n  return new Plot({\n    \"canvaselement\": canvas,\n    \"root\": widget\n  });\n}\nexport { createScene };\n\ncreateScene(document.querySelector('[ref=\"plot\"]'));\n\n","lang":"ts"},"children":[]}]},{"$$mdtype":"Tag","name":"div","attributes":{"label":"css","disable":false},"children":[{"$$mdtype":"Tag","name":"CodeBlock","attributes":{"data-language":"css","header":{"controls":{"copy":{}}},"source":"\n.cg-tooltip-holder {\n  position: relative;\n}\n\n.cg-tooltip {\n  position: absolute;\n  display: block;\n  padding: 2px 12px 3px 7px;\n  overflow: visible 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The range can be customized very easily by changing the normalization 'limits' option (as shown in the code below)."]},{"$$mdtype":"Tag","name":"Tabs","attributes":{"size":"medium"},"children":[{"$$mdtype":"Tag","name":"div","attributes":{"label":"main","disable":false},"children":[{"$$mdtype":"Tag","name":"CodeBlock","attributes":{"data-language":"ts","header":{"controls":{"copy":{}}},"source":"import { NormalizationType } from \"@int/geotoolkit/seismic/pipeline/NormalizationType.ts\";\nimport { SeismicColors } from \"@int/geotoolkit/seismic/util/SeismicColors.ts\";\nimport { SeismicPipeline } from \"@int/geotoolkit/seismic/pipeline/SeismicPipeline.ts\";\nimport { Plot } from \"@int/geotoolkit/plot/Plot.ts\";\nimport { createSeismicReader, createWidget } from \"/src/code/Seismic/Normalization/common.ts\";\nfunction createScene(canvas) {\n  const seismicReader = createSeismicReader();\n  const pipeline = new SeismicPipeline({\n    \"name\": \"MemorySeismic\",\n    \"reader\": seismicReader,\n    \"statistics\": seismicReader.getStatistics()\n  });\n  const colorProvider = SeismicColors.getDefault();\n  pipeline.setOptions({\n    \"colors\": {\n      \"colormap\": colorProvider.createNamedColorMap(\"RedWhiteBlue\")\n    },\n    \"normalization\": {\n      \"type\": NormalizationType.Limits,\n      \"limits\": {\n        \"min\": -2.5,\n        \"max\": 2.5\n      }\n    },\n    \"plot\": {\n      \"type\": {\n        \"wiggle\": true,\n        \"interpolateddensity\": true\n      },\n      \"decimationspacing\": 5\n    }\n  });\n  const widget = createWidget(pipeline);\n  return new Plot({\n    \"canvaselement\": canvas,\n    \"root\": widget\n  });\n}\nexport { createScene };\n\ncreateScene(document.querySelector('[ref=\"plot\"]'));\n\n","lang":"ts"},"children":[]}]},{"$$mdtype":"Tag","name":"div","attributes":{"label":"css","disable":false},"children":[{"$$mdtype":"Tag","name":"CodeBlock","attributes":{"data-language":"css","header":{"controls":{"copy":{}}},"source":"\n.cg-tooltip-holder {\n  position: relative;\n}\n\n.cg-tooltip {\n  position: absolute;\n  display: block;\n  padding: 2px 12px 3px 7px;\n  overflow: visible !important;\n  font-family: Roboto, Helvetica, Arial, sans-serif;\n  font-size: 13px;\n  background: white !important;\n  opacity: 0.9;\n  color: #333333;\n  border: solid 1px gray;\n  border-radius: 5px;\n  text-align: left;\n  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);\n  border-radius: 5px;\n  margin: 0 !important;\n  z-index: 10000;\n  max-width: 400px;\n  text-wrap: normal !important;\n  white-space: normal !important;\n}\n/* Default setting for tooltip */\n.cg-tooltip-container {\n  position: 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background-color: transparent;\n  display: block;\n}\n.cg-tooltip-symbol > img {\n  display: block;\n}\n.cg-tooltip-list-cell {\n  display: inline-flex;\n}\n.cg-tooltip-list-symbol {\n  display: block;\n  margin-right: 3px;\n  width: 6px;\n  height: 6px;\n  vertical-align: middle;\n  border-radius: 50%;\n  border: 1px solid rgba(0,0,0,.4);\n}\n.cg-tooltip-symbol-legacy {\n  border-radius: 4px;\n  margin-right: 5px;\n  height: 8px;\n  width: 8px;\n  display: inline-block;\n}\n.cg-tooltip-title-legacy {\n  font-weight: 900;\n}\n\n/* Tooltip symbol circle */\n.cg-tooltip-symbol.circle {\n  height: 10px;\n  width: 10px;\n  display: inline-block;\n  border-radius: 50%;\n  border: 1px solid rgba(0,0,0,.4);\n}\n/* Tooltip symbol line */\n.cg-tooltip-symbol.line {\n    height: 10px;\n    width: 10px;\n    display: inline-block;\n    transform: scale(1.2, 0.2);\n}\n/* Tooltip symbol diamond */\n.cg-tooltip-symbol.diamond {\n    height: 10px;\n    width: 10px;\n    display: inline-block;\n    transform: rotate(45deg);\n    border-radius: 0px;\n}\n/* Tooltip symbol square */\n.cg-tooltip-symbol.square {\n    height: 10px;\n    width: 10px;\n    display: inline-block;\n    border-radius: 0px;\n    border: 1px solid rgba(0,0,0,.4);\n}\n\n","lang":"css"},"children":[]}]}]},{"$$mdtype":"Tag","name":"iframe","attributes":{"src":"https://dc2-documentation.s3.amazonaws.com/documentation/slb-docs-test/5.0/examples/vue/tutorials/index.html#/Seismic/Normalization/normalization?section=normalizationLimits&extract=true","width":"100%","height":"482.5px","style":{"border":"none"}},"children":[]},{"$$mdtype":"Tag","name":"Heading","attributes":{"level":3,"id":"colormap-range","__idx":3},"children":[{"$$mdtype":"Tag","name":"MarkdownLink","attributes":{"href":"#/Seismic/Normalization/normalization#colormapRange"},"children":["#"]}," Colormap Range"]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["It's possible to change normalization limits only for density, without wiggles. It can be done using ",{"$$mdtype":"Tag","name":"code","attributes":{},"children":["SeismicPipeline.setRasterizationLimitsType(RasterizationLimitsType.ColorMap)"]}," and ",{"$$mdtype":"Tag","name":"code","attributes":{},"children":["ColorMap.setRange"]},"."]},{"$$mdtype":"Tag","name":"Tabs","attributes":{"size":"medium"},"children":[{"$$mdtype":"Tag","name":"div","attributes":{"label":"main","disable":false},"children":[{"$$mdtype":"Tag","name":"CodeBlock","attributes":{"data-language":"ts","header":{"controls":{"copy":{}}},"source":"import { NormalizationType } from \"@int/geotoolkit/seismic/pipeline/NormalizationType.ts\";\nimport { SeismicColors } from \"@int/geotoolkit/seismic/util/SeismicColors.ts\";\nimport { SeismicPipeline } from \"@int/geotoolkit/seismic/pipeline/SeismicPipeline.ts\";\nimport { Plot } from \"@int/geotoolkit/plot/Plot.ts\";\nimport { createSeismicReader, createWidget } from \"/src/code/Seismic/Normalization/common.ts\";\nconst colorProvider = SeismicColors.getDefault();\nfunction createScene(canvas) {\n  const seismicReader = createSeismicReader();\n  const pipeline = new SeismicPipeline({\n    \"name\": \"MemorySeismic\",\n    \"reader\": seismicReader,\n    \"statistics\": seismicReader.getStatistics()\n  });\n  pipeline.setOptions({\n    \"colors\": {\n      \"colormap\": colorProvider.createNamedColorMap(\"RedWhiteBlue\")\n    },\n    \"normalization\": {\n      \"type\": NormalizationType.Limits,\n      \"limits\": {\n        \"min\": -2.5,\n        \"max\": 2.5\n      }\n    },\n    \"plot\": {\n      \"type\": {\n        \"wiggle\": true,\n        \"interpolateddensity\": true\n      },\n      \"decimationspacing\": 5\n    }\n  });\n  const widget = createWidget(pipeline);\n  return new Plot({\n    \"canvaselement\": canvas,\n    \"root\": widget\n  });\n}\nfunction setNormalizationLimits(plot, min, max) {\n  plot.getRoot().getPipeline().setNormalization({\n    \"type\": NormalizationType.Limits,\n    \"limits\": {\n      \"min\": min,\n      \"max\": max\n    }\n  });\n}\nfunction setColormapRange(plot, min, max) {\n  plot.getRoot().getPipeline().getColorMap().setRange(min, max);\n}\nfunction setColormap(plot, colormap) {\n  plot.getRoot().getPipeline().setColorMap(colorProvider.createNamedColorMap(colormap));\n}\nfunction setRasterizationLimitsType(plot, rasterizationLimitsType) {\n  plot.getRoot().getPipeline().setRasterizationLimitsType(rasterizationLimitsType);\n}\nexport { createScene, setColormap, setColormapRange, setNormalizationLimits, setRasterizationLimitsType };\n\ncreateScene(document.querySelector('[ref=\"plot\"]'));\n\n","lang":"ts"},"children":[]}]},{"$$mdtype":"Tag","name":"div","attributes":{"label":"css","disable":false},"children":[{"$$mdtype":"Tag","name":"CodeBlock","attributes":{"data-language":"css","header":{"controls":{"copy":{}}},"source":"\n.cg-tooltip-holder {\n  position: relative;\n}\n\n.cg-tooltip {\n  position: absolute;\n  display: block;\n  padding: 2px 12px 3px 7px;\n  overflow: visible !important;\n  font-family: Roboto, Helvetica, Arial, sans-serif;\n  font-size: 13px;\n  background: white !important;\n  opacity: 0.9;\n  color: #333333;\n  border: solid 1px gray;\n  border-radius: 5px;\n  text-align: left;\n  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);\n  border-radius: 5px;\n  margin: 0 !important;\n  z-index: 10000;\n  max-width: 400px;\n  text-wrap: normal !important;\n  white-space: normal !important;\n}\n/* Default setting for tooltip */\n.cg-tooltip-container {\n  position: absolute;\n  display: block;\n  overflow: visible !important;\n  font-family: Roboto, Helvetica, Arial, sans-serif;\n  font-size: 12px;\n  padding: 3px 7px;\n  background: #f7f7f7;\n  color: #333333;\n  border: 1px solid #938e8e;\n  opacity: 0.8;\n  text-align: left;\n  box-shadow: 3px 3px 10px #888;\n  margin: 0 !important;\n  z-index: 10000;\n  max-width: 400px;\n  text-wrap: normal !important;\n  white-space: normal !important;\n  user-select: none;\n}\n@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {\n  .cg-tooltip-container {\n    border-radius: 0;\n  }\n}\n/* Default left arrow for tooltip */\n.cg-tooltip-arrow-left::before {\n  content: '';\n  position: absolute;\n  display: block;\n  width: 0px;\n  left: 0;\n  top: 50%;\n  border: 5px solid transparent;\n  border-left: 0;\n  border-right: 5px solid  #938e8e;\n  transform: translate(calc(-100%), -50%);\n}\n.cg-tooltip-arrow-left::after {\n  content: '';\n  position: absolute;\n  display: block;\n  width: 0px;\n  left: 0;\n  top: 50%;\n  border: 4px solid transparent;\n  border-left: 0;\n  border-right: 4px solid #f7f7f7;\n  transform: translate(calc(-100%), -50%);\n}\n/* Default top arrow for tooltip */\n.cg-tooltip-arrow-top::before {\n  content: '';\n  position: absolute;\n  display: block;\n  width: 0px;\n  left: 50%;\n  top: 0;\n  border: 5px solid transparent;\n  border-top: 0;\n  border-bottom: 5px solid #938e8e;\n  transform: translate(-50%, -100%);\n}\n.cg-tooltip-arrow-top::after {\n  content: '';\n  position: absolute;\n  display: block;\n  width: 0px;\n  left: 50%;\n  top: 0;\n  border: 4px solid transparent;\n  border-top: 0;\n  border-bottom: 4px solid #f7f7f7;\n  transform: translate(-50%, -100%);\n}\n/* Default right arrow for tooltip */\n.cg-tooltip-arrow-right::before {\n  content: '';\n  position: absolute;\n  display: block;\n  width: 0px;\n  right: 0;\n  top: 50%;\n  border: 5px solid transparent;\n  border-right: 0;\n  border-left: 5px solid #938e8e;\n  transform: translate(100%, -50%);\n}\n.cg-tooltip-arrow-right::after {\n  content: '';\n  position: absolute;\n  display: block;\n  width: 0px;\n  right: 0;\n  top: 50%;\n  border: 4px solid transparent;\n  border-right: 0;\n  border-left: 4px solid #f7f7f7;\n  transform: translate(100%, -50%);\n}\n/* Default bottom arrow for tooltip */\n.cg-tooltip-arrow-bottom::before {\n  content: '';\n  position: absolute;\n  display: block;\n  width: 0px;\n  left: 50%;\n  bottom: 0px;\n  border: 5px solid transparent;\n  border-bottom: 0;\n  border-top: 5px solid #938e8e;\n  transform: translate(-50%, 100%);\n  z-index: 10000;\n}\n.cg-tooltip-arrow-bottom::after {\n  content: '';\n  position: absolute;\n  display: block;\n  width: 0px;\n  left: 50%;\n  bottom: 0;\n  border: 4px solid transparent;\n  border-bottom: 0;\n  border-top: 4px solid #f7f7f7;\n  transform: translate(-50%, 100%);\n  z-index: 10000;\n}\n/* Tooltip item name */\n/* Tooltip item value */\n/* .cg-tooltip-item-value */\n/* Tooltip item value */\n.cg-tooltip-item-unit {\n  text-transform: none;\n}\n\n.cg-tooltip-item-name {\n    text-transform: capitalize;\n    white-space: nowrap;\n    vertical-align: middle;\n    font-size: 13px;\n}\n.cg-tooltip-row {\n  display: flex;\n  flex-direction: row;\n  align-items: center;\n  white-space: pre-wrap;\n  font-size: 12px;\n  line-height: 100%;\n  margin: 1px 0;\n}\n.cg-tooltip-title {\n  font-size: 13px;\n  height: 14px;\n  text-transform: capitalize;\n}\n.cg-tooltip-title .cg-tooltip-symbol {\n  margin-right: 0 !important;\n}\n.cg-tooltip-title-name {\n  vertical-align: middle;\n}\n.cg-tooltip-row + .cg-tooltip-row {\n  margin-top: 4px;\n}\n.cg-tooltip-row.cg-tooltip-title + .cg-tooltip-row {\n  margin-top: 5px;\n}\n.cg-tooltip-item-value + .cg-tooltip-item-unit {\n    margin-left: 1px;\n}\n/* Tooltip symbol */\n.cg-tooltip-symbol-cell {\n  display: inline-flex;\n  min-width: 13px; /* 10px size + 3px margin */\n}\n.cg-tooltip-symbol {\n  margin-right: 3px;\n  background-color: transparent;\n  display: block;\n}\n.cg-tooltip-symbol > img {\n  display: block;\n}\n.cg-tooltip-list-cell {\n  display: inline-flex;\n}\n.cg-tooltip-list-symbol {\n  display: block;\n  margin-right: 3px;\n  width: 6px;\n  height: 6px;\n  vertical-align: middle;\n  border-radius: 50%;\n  border: 1px solid rgba(0,0,0,.4);\n}\n.cg-tooltip-symbol-legacy {\n  border-radius: 4px;\n  margin-right: 5px;\n  height: 8px;\n  width: 8px;\n  display: inline-block;\n}\n.cg-tooltip-title-legacy {\n  font-weight: 900;\n}\n\n/* Tooltip symbol circle */\n.cg-tooltip-symbol.circle {\n  height: 10px;\n  width: 10px;\n  display: inline-block;\n  border-radius: 50%;\n  border: 1px solid rgba(0,0,0,.4);\n}\n/* Tooltip symbol line */\n.cg-tooltip-symbol.line {\n    height: 10px;\n    width: 10px;\n    display: inline-block;\n    transform: scale(1.2, 0.2);\n}\n/* Tooltip symbol diamond */\n.cg-tooltip-symbol.diamond {\n    height: 10px;\n    width: 10px;\n    display: inline-block;\n    transform: rotate(45deg);\n    border-radius: 0px;\n}\n/* Tooltip symbol square */\n.cg-tooltip-symbol.square {\n    height: 10px;\n    width: 10px;\n    display: inline-block;\n    border-radius: 0px;\n    border: 1px solid rgba(0,0,0,.4);\n}\n\n","lang":"css"},"children":[]}]}]},{"$$mdtype":"Tag","name":"iframe","attributes":{"src":"https://dc2-documentation.s3.amazonaws.com/documentation/slb-docs-test/5.0/examples/vue/tutorials/index.html#/Seismic/Normalization/normalization?section=colormapRange&extract=true","width":"100%","height":"698.5px","style":{"border":"none"}},"children":[]}]},"headings":[{"value":"Normalization","id":"normalization","depth":1},{"value":"Normalization Types","id":"normalization-types","depth":3},{"value":"Normalization Limits","id":"normalization-limits","depth":3},{"value":"Colormap Range","id":"colormap-range","depth":3}],"frontmatter":{"title":"Normalization","seo":{"title":"Normalization"}},"lastModified":"2026-02-11T19:54:32.000Z","pagePropGetterError":{"message":"","name":""}},"slug":"/solutions/geotoolkit/tutorials/seismic/normalization","userData":{"isAuthenticated":false,"teams":["anonymous"]},"isPublic":true}