Class PaintOp

Namespace

EncDotNet.S100.Rendering.Scene

Assembly

EncDotNet.S100.Rendering.Scene.dll

A backend-agnostic, fully-resolved S-100 Part 9 paint operation — the intermediate representation (IR) produced by VectorSceneBuilder and consumed by both the headless SkiaDisplayListRenderer and the Mapsui display-list renderer.

public abstract class PaintOp

Inheritance

object

PaintOp

Derived

AreaPaintOp

LinePaintOp

PatternAreaPaintOp

PointPaintOp

TextPaintOp

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Remarks

Unit contract. All coordinate values (World… members) are in EPSG:3857 Web-Mercator metres — the first half of the S-100 Part 9 projection (lat/lon → EPSG:3857). The second half (EPSG:3857 → screen pixels) is intentionally left to each backend: Mapsui performs it per-frame via its Navigator; the Skia backend applies a Viewport-derived affine.

All size values (stroke widths, dash lengths, offsets, font size, symbol scale) are already expressed in logical display pixels under the S-100 Part 9 §3.10.4 convention 1 px = 0.32 mm. They are resolution-independent device pixels — not world metres and not physical output pixels. A backend that draws geometry through a world→screen canvas transform must realise strokes, symbols, and text in device pixels (i.e. reset/compensate the transform for size realisation), otherwise sizes would scale with zoom.

All colours are already resolved to RgbaColor (palette token lookup + transparency applied). Resources (symbols, pattern tiles) are resolved to processed content rather than catalogue names.

Properties

FeatureReference

Identifier of the originating dataset feature (the S-100 feature reference), carried through so backends can tag rendered output for pick / hit-testing.

public required string FeatureReference { get; init; }

Property Value

string

ScaleMaximum

Maximum display scale denominator at which this op is visible (the most zoomed-in limit; S-100 Part 9 §11.1). Null means no upper bound.

public double? ScaleMaximum { get; init; }

Property Value

double?

ScaleMinimum

Minimum display scale denominator at which this op is visible (the most zoomed-out limit; S-100 Part 9 §11.1). Null means no lower bound. Carried as a denominator (not a backend resolution) so each backend applies the same inclusion semantics via IsVisibleAtScale(PaintOp, double).

public double? ScaleMinimum { get; init; }

Property Value

double?