proessentials

ProEssentialsJS quick start -- the smallest JavaScript chart that runs. Two script tags, no build step, no install. Clone and npm start.

Winforms Chart .NET 8 realtime heatmap spectrogram analyzer effect, 2D contour. Full 93K surface replaced every 25ms via per-row horizontal shift. UseDataAtLocation zero-copy Z buffer and FastCopyFrom X/Y, GPU ComputeShader, ReuseDataX/Y. Live spectrum analyzer effect. Pesgo Direct3D. ProEssentials v10 C#.

ProEssentials v10 WPF Chart .NET 8 — dual-Y-axis chart combining two mouse interaction techniques: ConvPixelToGraph reads both axis values at any cursor position, PeCustomTrackingDataText tooltip · GetHotSpot identifies data points, series legends and labels in a live status bar · C# · PegoWpf · Direct2D

Fun with WinUI 3 charting audio waveform oscilloscope, .NET 10 C# - dual-channel viewer with 5-song playlist, MCI playback, live playhead, dBFS scale, synchronized lyrics overlay and O-Scope/Overlap modes. Zero-copy UseDataAtLocation. PesgoWinUI.

Fun WPF audio waveform oscilloscope — dual-channel signal viewer with high performance real-time charting with zoom, WAV data, dBFS scale, lyrics overlay, and Direct3D Compute-Shader rendering of millions of points. Zero-copy UseDataAtLocation. ProEssentials .NET 8 WPF chart demo. Clone and run to benchmark against your current charting library.

WPF .NET 8 OHLC candlestick chart: Bollinger Bands, RSI, custom stochastic oscillator with Buy/Sell signal annotations. 10 real stocks, 4 synchronized axes, live OHLCV hover, date/time axis. Signal logic designed as AI decision-system input features. ProEssentials v10 C# example.

WPF .NET 8 realtime heatmap spectrogram analyzer effect, 2D contour. Full 93K surface replaced every 25ms via per-row horizontal shift. UseDataAtLocation zero-copy Z buffer, FastCopyFrom X/Y, GPU ComputeShader, ReuseDataX/Y. Live spectrum analyzer effect. PesgoWpf Direct3D. ProEssentials v10 C#.

WinUI 3 chart hit testing and cursor tracking, .NET 10 C# example. ConvPixelToGraph pixel-to-value tooltip on a dual-Y-axis chart · GetHotSpot identifies data points, series legends and axis labels live · ProEssentials PegoWinUI · Direct2D

WinUI 3 custom Y-axis labels, .NET 10 C# how-to - two techniques in one multi-axis scientific chart: line-annotation grid lines set at design time, and the PeCustomGridNumber event for runtime, zoom-safe labels. PesgoWinUI, Direct2D.

WinUI 3 oil and gas 3D wellbore visualization, .NET 10 C# - animated camera flythrough down multiple well trajectories over real terrain. Drill target annotations, 3D tube paths, contour scale. Press 0-9 to fly a well. Pe3doWinUI, Direct3D.

ProEssentials v10 WPF Chart .NET 8 — PesgoWpf scatter chart combining custom PNG bitmap symbols and jagged data (variable points per subset) · Colorize=false for pre-colored blue dot (12K pts) · Colorize=true silhouettes tinted by SubsetColors (1200/120/12 pts) · FastCopyFromJagged block load · C# · Direct2D

WinUI 3 realtime 3D surface chart, .NET 10 C# - 720K vertices rebuilt every 20ms. GPU compute shader builds the polygon mesh on 2000+ cores; CircularBuffer zero-copy append with no data shifting. Pe3doWinUI, Direct3D.

120 JavaScript chart examples with source beside each chart. The ProEssentials desktop demo set, running in the browser on WebAssembly.

Winforms chart .NET 8 heatmap spectrogram 2D contour chart. 93K data points, log frequency, ContourColors GPU rendering. Simple clean starting point — build your own spectrogram, signal analyzer, or frequency heatmap from this template. Pesgo Direct3D ComputeShader. ProEssentials v10 C#.

100 million data points re-passed and re-rendered every frame in a browser tab. WebGPU compute shaders, zero-copy WebAssembly heap.

ProEssentials Winforms .NET 8 chart — wireline Variable Density Log (VDL) acoustic visualization with a contour-injection rendering technique that eliminates smearing on large datasets. Real FORGE 16A(78)-32 cement bond log data; DLIS conversion script included.

WPF real-time line chart: 4 subsets × 2M points via UseDataAtLocation + CircularBuffers + Direct3D compute shaders. Zero-copy local memory pattern. Custom menu toggles 145 vs 146 zoom behavior. PesgoWpf .NET 8.

Winforms GPU-accelerated WPF 3D LiDAR point cloud viewer rendering 2.5M+ Mt. Tamalpais airborne returns with per-point elevation coloring. ProEssentials v10 ComputeShader, Direct3D, .NET 8, C#. Real-time 3D scatter chart from USGS / OpenTopography LAZ data. Standalone clone-and-run repo.

ProEssentials v10 WPF .NET 8 — two techniques for custom Y-axis labels in a single multi-axis scientific chart: line annotation grid lines (design-time) and the PeCustomGridNumber event (runtime/zoom-safe). C# · PesgoWpf · MultiAxesSubsets · Direct2D

Winforms .NET 8 — dual-channel ultrasonic borehole image rendered as a single concatenated contour chart. AWCN amplitude + TTCN transit time share one chart, one colormap, one zoom. Custom afmhot palette, FastCopyFrom, runtime null-mode toggle. C# · Pesgo · Direct3D · ComputeShader.