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Charts & analysis

Use chart and analysis symbols to compare trends, distributions, repeated periods, asset performance, and process relationships without leaving PI Vision.

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Overview

Use chart and analysis symbols to compare trends, distributions, repeated periods, asset performance, and process relationships without leaving PI Vision.

Choose by use case

What you needRecommended symbol
Combine trends, bars, areas, scatter plots, and limitsCombo Chart+
Compare assets or operating areasAsset Comparison Bar Chart+
Summarize Event Frame performanceEvent Analytics KPI+
Review variation and outliersBox Plot+
Reveal patterns across time or categoriesHeatmap+
Understand frequency and distributionHistogram+
Show contribution and mixPie Chart+
Explain cumulative positive and negative changesWaterfall Chart+
Visualize flows and loss pathwaysSankey+
Compare several variables on one profileRadar Chart+
Explore hierarchical asset performanceAsset Treemap+
Review process or scanner profilesProfileView+
Support dissolved-gas analysisDuval Triangle+
Explore frequency componentsFFT+
Compare the same signal across operating periodsPeriod Comparison Chart+

Selection guidance

  • Start with the operational question, then choose the simplest chart that answers it.
  • Use compatible units on a shared scale and separate scales when values are not directly comparable.
  • Limit traces, categories, and retrieval resolution to what remains readable on the target display.

Articles in this category

15 articles
Combo Chart+Combo Chart+ combines line, area, scatter, and bar traces with optional event, statistical, and summary information.Asset Comparison Bar Chart+Asset Comparison Bar Chart+ compares attributes across AF assets as grouped or stacked bars.Event Analytics KPIEvent Analytics KPI summarizes an event-frame search as one or more key performance indicators.Box Plot+Box Plot+ summarizes the distribution of time-series values and can overlay reference traces for comparison.Heatmap+Heatmap+ displays values in a two-dimensional color grid to reveal patterns across time and data sources.Histogram+Histogram+ groups numeric values into bins to show their frequency distribution over a selected period.Pie Chart+Pie Chart+ shows how numeric values contribute to a whole. Choose a pie, donut, half-donut, or polar layout and display names, values, or percentages in the legend and labels.Waterfall Chart+Waterfall Chart+ shows how sequential positive and negative contributions change a starting value into a final total. Each data source is displayed as either an absolute total or a relative change.Sankey+Sankey+ shows the magnitude and direction of flows between configured nodes. Use it to visualize material, energy, utility, or cost flows through a process.Radar Chart+Radar Chart+ compares several attributes across one or more AF assets on a common radial scale.Asset TreemapAsset Treemap displays a hierarchy of assets as nested boxes whose size and color represent configured values.ProfileView+ProfileView+ displays cross-directional scanner measurements as a time-based heatmap for monitoring profile uniformity.Duval TriangleDuval Triangle plots dissolved-gas measurements to help qualified users classify transformer fault regions.FFT+FFT+ transforms time-series data into a frequency spectrum for identifying periodic components.Period Comparison Chart+Period Comparison Chart+ overlays repeated time periods so operators can compare current behavior with historical or baseline periods.