{"id": "A01", "family": "line", "title": "Rail-jump lattice", "tests": "colour-based tracing that swaps identity at a crossing", "level": 2, "n_series": 8, "n_points": 3200, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/A01.png", "truth": "truth/A01.truth.json", "spec": "spec/A01.spec.json", "file_name": "images/A01.png"}
{"id": "A02", "family": "line", "title": "Dense stochastic bundle", "tests": "token budget and sampling honesty", "level": 2, "n_series": 12, "n_points": 24000, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/A02.png", "truth": "truth/A02.truth.json", "spec": "spec/A02.spec.json", "file_name": "images/A02.png"}
{"id": "A03", "family": "line", "title": "Near-parallel pair", "tests": "sub-stroke separation between two series", "level": 2, "n_series": 2, "n_points": 1000, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/A03.png", "truth": "truth/A03.truth.json", "spec": "spec/A03.spec.json", "file_name": "images/A03.png"}
{"id": "A04", "family": "line", "title": "Hairline on dark ground", "tests": "ink thresholding and halo attribution", "level": 2, "n_series": 3, "n_points": 1800, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/A04.png", "truth": "truth/A04.truth.json", "spec": "spec/A04.spec.json", "file_name": "images/A04.png"}
{"id": "A05", "family": "line", "title": "Dash-pattern identity", "tests": "series identity carried by stroke, not hue", "level": 2, "n_series": 3, "n_points": 900, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/A05.png", "truth": "truth/A05.truth.json", "spec": "spec/A05.spec.json", "file_name": "images/A05.png"}
{"id": "A06", "family": "line", "title": "Step and spline in one frame", "tests": "corner preservation vs dense resampling", "level": 2, "n_series": 2, "n_points": 416, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/A06.png", "truth": "truth/A06.truth.json", "spec": "spec/A06.spec.json", "file_name": "images/A06.png"}
{"id": "A07", "family": "line", "title": "Spike train", "tests": "peak preservation under resampling", "level": 2, "n_series": 1, "n_points": 1200, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/A07.png", "truth": "truth/A07.truth.json", "spec": "spec/A07.spec.json", "file_name": "images/A07.png"}
{"id": "A08", "family": "line", "title": "Sawtooth near Nyquist", "tests": "honesty about recoverable resolution", "level": 2, "n_series": 1, "n_points": 3000, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/A08.png", "truth": "truth/A08.truth.json", "spec": "spec/A08.spec.json", "file_name": "images/A08.png"}
{"id": "A09", "family": "line", "title": "Four-decade log crossing", "tests": "scale type before geometry", "level": 2, "n_series": 6, "n_points": 2400, "axis_scales": {"panel0": {"x": "linear", "y": "log"}}, "image": "images/A09.png", "truth": "truth/A09.truth.json", "spec": "spec/A09.spec.json", "file_name": "images/A09.png"}
{"id": "A10", "family": "line", "title": "Broken axis", "tests": "piecewise transforms", "level": 2, "n_series": 2, "n_points": 50, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}, "panel1": {"x": "linear", "y": "linear"}}, "image": "images/A10.png", "truth": "truth/A10.truth.json", "spec": "spec/A10.spec.json", "file_name": "images/A10.png"}
{"id": "A11", "family": "line", "title": "Twin axes, mirrored ranges", "tests": "axis binding", "level": 2, "n_series": 2, "n_points": 600, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}, "panel1": {"x": "linear", "y": "linear"}}, "image": "images/A11.png", "truth": "truth/A11.truth.json", "spec": "spec/A11.spec.json", "file_name": "images/A11.png"}
{"id": "A12", "family": "line", "title": "Inline value labels on the marks", "tests": "datum vs annotation", "level": 2, "n_series": 3, "n_points": 48, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/A12.png", "truth": "truth/A12.truth.json", "spec": "spec/A12.spec.json", "file_name": "images/A12.png"}
{"id": "A13", "family": "line", "title": "Legend inside the plot box", "tests": "furniture exclusion", "level": 2, "n_series": 4, "n_points": 1200, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/A13.png", "truth": "truth/A13.truth.json", "spec": "spec/A13.spec.json", "file_name": "images/A13.png"}
{"id": "A14", "family": "line", "title": "Clipped excursion", "tests": "gap honesty", "level": 2, "n_series": 1, "n_points": 500, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/A14.png", "truth": "truth/A14.truth.json", "spec": "spec/A14.spec.json", "file_name": "images/A14.png"}
{"id": "A15", "family": "line", "title": "Band over its own line", "tests": "boundary vs fill", "level": 2, "n_series": 3, "n_points": 900, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/A15.png", "truth": "truth/A15.truth.json", "spec": "spec/A15.spec.json", "file_name": "images/A15.png"}
{"id": "A16", "family": "line", "title": "Iso-luminant palette", "tests": "greyscale-based separation", "level": 2, "n_series": 6, "n_points": 1800, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/A16.png", "truth": "truth/A16.truth.json", "spec": "spec/A16.spec.json", "file_name": "images/A16.png"}
{"id": "A17", "family": "line", "title": "Gridline collision", "tests": "furniture vs mark", "level": 2, "n_series": 2, "n_points": 800, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/A17.png", "truth": "truth/A17.truth.json", "spec": "spec/A17.spec.json", "file_name": "images/A17.png"}
{"id": "A18", "family": "line", "title": "Abbreviated irregular time axis", "tests": "tick coverage", "level": 2, "n_series": 1, "n_points": 9, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/A18.png", "truth": "truth/A18.truth.json", "spec": "spec/A18.spec.json", "file_name": "images/A18.png"}
{"id": "B01", "family": "scatter", "title": "Overplotted cloud", "tests": "recall under merging", "level": 2, "n_series": 1, "n_points": 5000, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/B01.png", "truth": "truth/B01.truth.json", "spec": "spec/B01.spec.json", "file_name": "images/B01.png"}
{"id": "B02", "family": "scatter", "title": "Bubble with two channels", "tests": "the size channel surviving", "level": 2, "n_series": 1, "n_points": 60, "axis_scales": {"panel0": {"x": "log", "y": "linear"}}, "image": "images/B02.png", "truth": "truth/B02.truth.json", "spec": "spec/B02.spec.json", "file_name": "images/B02.png"}
{"id": "B03", "family": "scatter", "title": "Shape-coded groups", "tests": "grouping carried by shape", "level": 2, "n_series": 4, "n_points": 160, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/B03.png", "truth": "truth/B03.truth.json", "spec": "spec/B03.spec.json", "file_name": "images/B03.png"}
{"id": "B04", "family": "scatter", "title": "Jittered categorical strips", "tests": "jitter read as data", "level": 2, "n_series": 6, "n_points": 270, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/B04.png", "truth": "truth/B04.truth.json", "spec": "spec/B04.spec.json", "file_name": "images/B04.png"}
{"id": "B05", "family": "scatter", "title": "Log\u2013log decades", "tests": "two scale calls at once", "level": 2, "n_series": 1, "n_points": 220, "axis_scales": {"panel0": {"x": "log", "y": "log"}}, "image": "images/B05.png", "truth": "truth/B05.truth.json", "spec": "spec/B05.spec.json", "file_name": "images/B05.png"}
{"id": "B06", "family": "scatter", "title": "Fit line with envelope", "tests": "three marks, one hue", "level": 2, "n_series": 4, "n_points": 690, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/B06.png", "truth": "truth/B06.truth.json", "spec": "spec/B06.spec.json", "file_name": "images/B06.png"}
{"id": "B07", "family": "scatter", "title": "Two-dimensional error bars", "tests": "recording uncertainty", "level": 2, "n_series": 1, "n_points": 14, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/B07.png", "truth": "truth/B07.truth.json", "spec": "spec/B07.spec.json", "file_name": "images/B07.png"}
{"id": "B08", "family": "scatter", "title": "Touching markers", "tests": "blob splitting", "level": 2, "n_series": 1, "n_points": 120, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/B08.png", "truth": "truth/B08.truth.json", "spec": "spec/B08.spec.json", "file_name": "images/B08.png"}
{"id": "B09", "family": "scatter", "title": "Far outliers", "tests": "outliers kept, not trimmed", "level": 2, "n_series": 1, "n_points": 124, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/B09.png", "truth": "truth/B09.truth.json", "spec": "spec/B09.spec.json", "file_name": "images/B09.png"}
{"id": "B10", "family": "scatter", "title": "Connected scatter", "tests": "ordering is data", "level": 2, "n_series": 1, "n_points": 40, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/B10.png", "truth": "truth/B10.truth.json", "spec": "spec/B10.spec.json", "file_name": "images/B10.png"}
{"id": "B11", "family": "scatter", "title": "Scatter with marginals", "tests": "panel decomposition", "level": 2, "n_series": 1, "n_points": 400, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}, "panel1": {"x": "linear", "y": "linear"}, "panel2": {"x": "linear", "y": "linear"}}, "image": "images/B11.png", "truth": "truth/B11.truth.json", "spec": "spec/B11.spec.json", "file_name": "images/B11.png"}
{"id": "C01", "family": "area", "title": "Hundred-per-cent stack", "tests": "cumulative vs segment, stack order", "level": 2, "n_series": 5, "n_points": 1300, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/C01.png", "truth": "truth/C01.truth.json", "spec": "spec/C01.spec.json", "file_name": "images/C01.png"}
{"id": "C02", "family": "area", "title": "Streamgraph with wiggle baseline", "tests": "a computed baseline", "level": 2, "n_series": 4, "n_points": 1200, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/C02.png", "truth": "truth/C02.truth.json", "spec": "spec/C02.spec.json", "file_name": "images/C02.png"}
{"id": "C03", "family": "area", "title": "Overlapping translucent areas", "tests": "composited colours", "level": 2, "n_series": 3, "n_points": 900, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/C03.png", "truth": "truth/C03.truth.json", "spec": "spec/C03.spec.json", "file_name": "images/C03.png"}
{"id": "C04", "family": "area", "title": "Signed area across zero", "tests": "the datum edge flips", "level": 2, "n_series": 1, "n_points": 400, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/C04.png", "truth": "truth/C04.truth.json", "spec": "spec/C04.spec.json", "file_name": "images/C04.png"}
{"id": "C05", "family": "area", "title": "Ridgeline with overlap", "tests": "panels that must not stack", "level": 2, "n_series": 8, "n_points": 2400, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/C05.png", "truth": "truth/C05.truth.json", "spec": "spec/C05.spec.json", "file_name": "images/C05.png"}
{"id": "C06", "family": "area", "title": "Band between two curves", "tests": "both boundaries recorded", "level": 2, "n_series": 2, "n_points": 600, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/C06.png", "truth": "truth/C06.truth.json", "spec": "spec/C06.spec.json", "file_name": "images/C06.png"}
{"id": "C07", "family": "area", "title": "Shaded integral region", "tests": "hatching is annotation", "level": 2, "n_series": 1, "n_points": 400, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/C07.png", "truth": "truth/C07.truth.json", "spec": "spec/C07.spec.json", "file_name": "images/C07.png"}
{"id": "C08", "family": "area", "title": "Sliver layer", "tests": "a thin layer surviving", "level": 2, "n_series": 4, "n_points": 1200, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/C08.png", "truth": "truth/C08.truth.json", "spec": "spec/C08.spec.json", "file_name": "images/C08.png"}
{"id": "C09", "family": "area", "title": "Area on a log axis", "tests": "fill area \u2260 magnitude", "level": 2, "n_series": 1, "n_points": 300, "axis_scales": {"panel0": {"x": "linear", "y": "log"}}, "image": "images/C09.png", "truth": "truth/C09.truth.json", "spec": "spec/C09.spec.json", "file_name": "images/C09.png"}
{"id": "D01", "family": "compound", "title": "Pressure\u2013volume indicator diagram", "tests": "a non-functional closed curve", "level": 2, "n_series": 1, "n_points": 400, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/D01.png", "truth": "truth/D01.truth.json", "spec": "spec/D01.spec.json", "file_name": "images/D01.png"}
{"id": "D02", "family": "compound", "title": "Psychrometric chart", "tests": "a non-Cartesian frame", "level": 2, "n_series": 5, "n_points": 1000, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/D02.png", "truth": "truth/D02.truth.json", "spec": "spec/D02.spec.json", "file_name": "images/D02.png"}
{"id": "D03", "family": "compound", "title": "Pump curve against system curve", "tests": "preserving an intersection", "level": 2, "n_series": 3, "n_points": 601, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/D03.png", "truth": "truth/D03.truth.json", "spec": "spec/D03.spec.json", "file_name": "images/D03.png"}
{"id": "D04", "family": "compound", "title": "Bode plot", "tests": "linked panels, shared log frequency", "level": 2, "n_series": 2, "n_points": 800, "axis_scales": {"panel0": {"x": "log", "y": "linear"}, "panel1": {"x": "log", "y": "linear"}}, "image": "images/D04.png", "truth": "truth/D04.truth.json", "spec": "spec/D04.spec.json", "file_name": "images/D04.png"}
{"id": "D05", "family": "compound", "title": "Nyquist plot", "tests": "the variable lives on the curve", "level": 2, "n_series": 1, "n_points": 500, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/D05.png", "truth": "truth/D05.truth.json", "spec": "spec/D05.spec.json", "file_name": "images/D05.png"}
{"id": "D06", "family": "compound", "title": "Phase diagram", "tests": "boundaries meeting at a triple point", "level": 2, "n_series": 4, "n_points": 401, "axis_scales": {"panel0": {"x": "linear", "y": "log"}}, "image": "images/D06.png", "truth": "truth/D06.truth.json", "spec": "spec/D06.spec.json", "file_name": "images/D06.png"}
{"id": "D07", "family": "compound", "title": "Titration curve with derivative", "tests": "one series derived from the other", "level": 2, "n_series": 3, "n_points": 801, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}, "panel1": {"x": "linear", "y": "linear"}}, "image": "images/D07.png", "truth": "truth/D07.truth.json", "spec": "spec/D07.spec.json", "file_name": "images/D07.png"}
{"id": "D08", "family": "compound", "title": "Stress\u2013strain curve", "tests": "construction lines that look like data", "level": 2, "n_series": 2, "n_points": 409, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/D08.png", "truth": "truth/D08.truth.json", "spec": "spec/D08.spec.json", "file_name": "images/D08.png"}
{"id": "D09", "family": "compound", "title": "Moody diagram", "tests": "a converging family of curves", "level": 2, "n_series": 11, "n_points": 3300, "axis_scales": {"panel0": {"x": "log", "y": "log"}}, "image": "images/D09.png", "truth": "truth/D09.truth.json", "spec": "spec/D09.spec.json", "file_name": "images/D09.png"}
{"id": "D10", "family": "compound", "title": "Smith chart", "tests": "a curvilinear coordinate system", "level": 2, "n_series": 1, "n_points": 60, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/D10.png", "truth": "truth/D10.truth.json", "spec": "spec/D10.spec.json", "file_name": "images/D10.png"}
{"id": "D11", "family": "compound", "title": "Bars with an overlaid rate line", "tests": "three geometries, two axes", "level": 2, "n_series": 3, "n_points": 40, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}, "panel1": {"x": "linear", "y": "linear"}}, "image": "images/D11.png", "truth": "truth/D11.truth.json", "spec": "spec/D11.spec.json", "file_name": "images/D11.png"}
{"id": "D12", "family": "compound", "title": "Candlestick with volume", "tests": "colour encodes direction, not identity", "level": 2, "n_series": 7, "n_points": 420, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}, "panel1": {"x": "linear", "y": "linear"}}, "image": "images/D12.png", "truth": "truth/D12.truth.json", "spec": "spec/D12.spec.json", "file_name": "images/D12.png"}
{"id": "M01", "family": "market", "title": "Three Funds Against the Benchmark", "tests": "identity through a scheduled crossing: BLC x TGR at 30% and 73%, RSP punching up through both at ~50% and ~90%", "level": 3, "n_series": 3, "n_points": 756, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/M01.png", "truth": "truth/M01.truth.json", "spec": "spec/M01.spec.json", "file_name": "images/M01.png"}
{"id": "M02", "family": "market", "title": "Fund and Its Index Tracker", "tests": "two series that are meant to be identical \u2014 reporting them as two, or saying plainly that they could not be separated", "level": 3, "n_series": 3, "n_points": 756, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/M02.png", "truth": "truth/M02.truth.json", "spec": "spec/M02.spec.json", "file_name": "images/M02.png"}
{"id": "M03", "family": "market", "title": "One Breakaway, Four in the Pack", "tests": "a 4x breakaway sets the y range, compressing four crossing series into the bottom fifth of the plot", "level": 3, "n_series": 5, "n_points": 1260, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/M03.png", "truth": "truth/M03.truth.json", "spec": "spec/M03.spec.json", "file_name": "images/M03.png"}
{"id": "M04", "family": "market", "title": "Sector Constituents, One Year", "tests": "series count and identity at ten, with the crossings clustered at two shared drawdowns rather than spread out", "level": 3, "n_series": 10, "n_points": 2520, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/M04.png", "truth": "truth/M04.truth.json", "spec": "spec/M04.spec.json", "file_name": "images/M04.png"}
{"id": "M05", "family": "market", "title": "Sector Rotation: Leadership Changes Hands", "tests": "ordering \u2014 the answer is a sequence of rank changes, not five curves", "level": 3, "n_series": 5, "n_points": 1260, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/M05.png", "truth": "truth/M05.truth.json", "spec": "spec/M05.spec.json", "file_name": "images/M05.png"}
{"id": "M06", "family": "market", "title": "Four Funds Hugging the Benchmark", "tests": "accumulated identity error: no single crossing is hard, there are simply a great many between series that look alike by construction", "level": 3, "n_series": 5, "n_points": 1260, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/M06.png", "truth": "truth/M06.truth.json", "spec": "spec/M06.spec.json", "file_name": "images/M06.png"}
{"id": "M07", "family": "market", "title": "Shared Crash, Different Recoveries", "tests": "behaviour through a shared event \u2014 every series turns in the same session, so direction cannot disambiguate the crossings", "level": 3, "n_series": 4, "n_points": 1008, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/M07.png", "truth": "truth/M07.truth.json", "spec": "spec/M07.spec.json", "file_name": "images/M07.png"}
{"id": "M08", "family": "market", "title": "High Beta Against Low Beta", "tests": "crossings as events with a common cause: all three turn at every market turn, so every crossing happens where the cue is shared", "level": 3, "n_series": 3, "n_points": 756, "axis_scales": {"panel0": {"x": "linear", "y": "linear"}}, "image": "images/M08.png", "truth": "truth/M08.truth.json", "spec": "spec/M08.spec.json", "file_name": "images/M08.png"}