Table of Contents

Scenario: Compose S-101 ENC + S-102 bathymetry

Why it matters

Compositing is where cross-product value appears: chart context plus bathymetric detail.

Quick win

s100 render --layer enc.000 --layer bathy.h5 chart.png

Expected result: one image with interoperable layering.

Deep dive

  1. Render with explicit viewport: 
    s100 render --layer enc.000 --layer bathy.h5 chart.png --bbox -1.5,50.0,-1.0,50.5
  2. Use the library compositor: 
    byte[] png = await renderer.RenderAsync(
    new[]
    {
        new S100Layer { Dataset = enc },
        new S100Layer { Dataset = bathy }
    },
    new S100CompositeOptions { Width = 2048, Height = 1536 });

Troubleshooting

Note

Layer order is resolved by the S-98 interoperability authority; CLI --layer order is mainly a tiebreak within a display plane.

Next step

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