Overlays time-stepped simulation results on the SWMM network geometry. More...

#include <swmmresultslayer.h>

Inheritance diagram for SWMMResultsLayer:

Collaboration diagram for SWMMResultsLayer:

Signals
void	resultsFilePathChanged (const QString &path)

void	scenarioNameChanged (const QString &name)

void	profileLineColorChanged (const QColor &color)

void	profileStyleChanged ()

void	currentTimeStepChanged (int step)

void	currentDateTimeChanged (const QDateTime &dt)

void	totalTimeStepsChanged (int count)

void	periodsAppended (int firstNew, int count)

void	resultsFinalized ()

void	variableChanged (SWMMResultVariable var)

void	showLegendChanged (bool show)

void	resultsOpened ()

void	resultsError (const QString &message)

void	resultsOpenFinished (bool ok)
	Emitted on the GUI thread when openResultsAsync() completes.

void	rendererChanged ()
	Emitted when setRenderer() swaps the renderer pointer.

Signals inherited from OpenSWMMVisLayer
void	nameChanged (const QString &newName)

void	layerTypeChanged (OpenSWMMVisLayerType newType)

void	visibilityChanged (bool visible)

void	opacityChanged (double opacity)

void	srsChanged (SpatialReferenceSystem *newSRS)

void	extentChanged (const MapExtent &newExtent)

void	childrenChanged ()

void	repaintRequested ()

void	temporalSpecChanged (const OpenSWMM::Render::TemporalSpec &spec)

void	maskSpecChanged (const OpenSWMM::Render::MaskSpec &spec)

void	auxStorageSpecChanged (const OpenSWMM::Render::AuxiliaryStorageSpec &spec)

void	joinsChanged (const QVector< OpenSWMM::Render::JoinSpec > &joins)

void	diagramSpecChanged (const OpenSWMM::Render::DiagramSpec &spec)

void	labelConfigChanged ()

Public Member Functions
	SWMMResultsLayer (const QString &resultsFilePath, class SWMMModelLayer modelLayer, OpenSWMMVisWorkspace parent=nullptr)

	~SWMMResultsLayer () override

class SWMMModelLayer *	modelLayer () const

QString	resultsFilePath () const

QString	reportFilePath () const
	Path of the `.rpt` summary report written by the run that produced this layer's `.out` file (empty when unknown).

void	setReportFilePath (const QString &path)

QString	sourceDescription () const override
	Human-readable source of this layer: a file path, a service URL, or a description for in-memory / derived layers.

QVector< QPair< QString, QString > >	extendedMetadata () const override
	Ordered key→value pairs of TYPE-SPECIFIC metadata, rendered by the Metadata tab below the common block the dialog builds itself.

QString	scenarioName () const
	User-visible name for this run/scenario (editable, persisted in .oswp).

void	setScenarioName (const QString &name)

QColor	profileLineColor () const
	Per-layer line/fill color used by Slice BC's profile plot.

void	setProfileLineColor (const QColor &color)

QPen	profileHglLinePen () const

QBrush	profileHglFillBrush () const

QPen	profileEglLinePen () const

QPen	profileMaxHglLinePen () const

QBrush	profileMaxHglFillBrush () const

QPen	profileMaxEglLinePen () const

void	setProfileHglLinePen (const QPen &pen)

void	setProfileHglFillBrush (const QBrush &brush)

void	setProfileEglLinePen (const QPen &pen)

void	setProfileMaxHglLinePen (const QPen &pen)

void	setProfileMaxHglFillBrush (const QBrush &brush)

void	setProfileMaxEglLinePen (const QPen &pen)

void	writeProfileStyle (class QSettings &settings) const
	Writes this layer's per-source profile pens & brushes to the current QSettings position. Called from the dialogs' source persistence loops while QSettings is already positioned at the matching array index.

void	readProfileStyle (class QSettings &settings)
	Companion of writeProfileStyle. Reads any of the six keys present at the current QSettings position and pushes them through the per-setter, so missing keys leave the layer's defaults untouched.

bool	openResults (QList< QString > &warnings, QList< QString > &errors)
	Opens the binary results file.

void	openResultsAsync ()
	Asynchronous counterpart to openResults. Runs the blocking swmm_output_open (file + header/index parse) on a worker thread; the renderer install + period-0 fetch + emits run on the GUI thread, and resultsOpenFinished(bool) fires on completion.

bool	openResultsLive (QList< QString > &errors)
	Open a results file the engine is still writing (live tail).

int	refreshLive ()
	Re-count periods on a live file. Grows totalTimeSteps(), extends endDateTime(), drops whole-file aggregate caches, and emits totalTimeStepsChanged + periodsAppended when new periods appeared. When the writer's closing records have landed the layer leaves live mode and emits resultsFinalized.

bool	isLive () const noexcept
	True between openResultsLive() and the footer's arrival.

void	closeResults ()

double	nodeStatMaxDepth (const QString &nodeName) const

double	nodeStatMaxOverflow (const QString &nodeName) const

double	nodeStatVolFlooded (const QString &nodeName) const

double	nodeStatTimeFlooded (const QString &nodeName) const

double	linkStatMaxFlow (const QString &linkName) const

double	linkStatMaxVelocity (const QString &linkName) const

double	linkStatMaxFilling (const QString &linkName) const

double	linkStatVolFlow (const QString &linkName) const

double	linkStatSurchargeTime (const QString &linkName) const

double	linkStatPumpCycles (const QString &linkName) const

double	linkStatPumpOnTime (const QString &linkName) const

double	linkStatPumpVolume (const QString &linkName) const

double	subcatchStatPrecip (const QString &subName) const

double	subcatchStatRunoffVol (const QString &subName) const

double	subcatchStatMaxRunoff (const QString &subName) const

int	currentTimeStep () const

QDateTime	currentDateTime () const

int	totalTimeSteps () const

QDateTime	startDateTime () const

QDateTime	endDateTime () const

QDateTime	reportedStartDateTime () const

int	reportStepSeconds () const

void	setCurrentTimeStep (int step)
	Seeks to the given 0-based time step.

int	periodIndexForDateTime (const QDateTime &dt) const
	Returns the period index closest to `dt` on this layer's time grid.

int	periodIndexForDateTimeAsOf (const QDateTime &dt) const
	Causal peer of periodIndexForDateTime: the latest period at or before `dt` (floor instead of nearest), clamped to [0, totalTimeSteps-1]. Used by AnimationController so a secondary output never displays a frame ahead of the animation cursor.

void	stepForward (bool loop=false)
	Advances to the next time step (wraps at end if `loop` is true).

void	stepBackward (bool loop=false)
	Goes back one time step (wraps at start if `loop` is true).

SWMMResultVariable	variable () const

void	setVariable (SWMMResultVariable var)

RasterColorRamp	colorRamp () const

void	setColorRamp (const RasterColorRamp &ramp)

void	autoStretchColorRamp ()
	Automatically sets the colour ramp range from the data min/max across all time steps for the current variable.

OpenSWMM::Render::IFeatureRenderer *	renderer () const
	The IFeatureRenderer that will drive this layer's paint pass.

void	setRenderer (std::unique_ptr< OpenSWMM::Render::IFeatureRenderer > r)
	Replaces the current renderer.

OpenSWMM::Render::IFeatureRenderer *	kindRenderer (SWMMModelLayer::Category c) const
	Returns the per-kind renderer for category `c`, or nullptr when none has been installed yet (callers should fall back to the layer-level renderer()).

void	setKindRenderer (SWMMModelLayer::Category c, std::unique_ptr< OpenSWMM::Render::IFeatureRenderer > r)
	Installs (or replaces) the per-kind renderer for category `c`. The layer takes ownership. A null pointer clears the slot (paint reverts to the layer-level renderer). Emits rendererChanged() when the slot pointer changes.

void	resetKindRendererToDefaults (SWMMModelLayer::Category c)
	Restores the per-kind slot for `c` to its compile-time default (GraduatedRenderer keyed to the scope's primary result variable, Viridis ramp, EqualInterval 5-bin).

bool	kindRendererIsDefault (SWMMModelLayer::Category c) const
	True when the installed kind renderer for `c` is semantically identical to the compile-time default — ignoring derived state (classification breaks, sampled ramp range). Gap A2.1 installs defaults eagerly on openResults(); the project serializer uses this to elide untouched slots so .oswp files stay minimal.

void	refreshRuleMirror (SWMMModelLayer::Category c)
	Re-clones the live kind renderer for `c` into the Rule mirror (no-op when the rule list hasn't been built). Dialog editors read the mirror; call this before mounting one so it reflects in-place mutations (variable retargeting, re-classification, per-frame rebin) the setKindRenderer sync hook cannot observe.

QList< OpenSWMM::Render::LegendSymbolItem >	legendSymbolItems ()

bool	supportsClassEdit (OpenSWMM::Render::ClassEditKind kind) const

QColor	colorForClass (const QString &classKey) const

void	setColorForClass (const QString &classKey, const QColor &color)

qreal	sizeForClass (const QString &classKey) const

OpenSWMM::Render::RuleList *	ruleList () override

const OpenSWMM::Render::RuleList *	ruleList () const override

QVector< OpenSWMM::Render::AttributeField >	availableAttributes (OpenSWMMVis::SwmmCategory cat) const override

QStringList	speciesNames () const
	Y2a — the loaded run's species names, in `.out` order (pollutants plus the reserved age/temperature columns).

bool	showLegend () const

void	setShowLegend (bool show)

SWMM_Output	outputHandle () const
	Raw `SWMM_Output` handle to the open `.out` file, or nullptr when results aren't open yet. Exposed so Slice BC's profile plot can call `swmm_output_get_node_series` / `swmm_output_get_link_series` for bulk time-series fetches without a per-period round-trip.

int	nodeOutputIndex (const QString &name) const
	Output-file index for the named node, or -1 if not found. The output file uses its own indexing scheme (a name-keyed order) that may differ from the engine's node index, so callers must resolve via name.

int	linkOutputIndex (const QString &name) const
	Output-file index for the named link, or -1.

int	subcatchOutputIndex (const QString &name) const
	Output-file index for the named subcatchment, or -1. Mirrors nodeOutputIndex / linkOutputIndex; added in Slice BL so the Comparison Plot Dialog can read subcatchment series.

int	flowUnits () const
	Engine-reported flow units (0=CFS, 1=GPM, 2=MGD, 3=CMS, 4=LPS, 5=MLD). -1 when results aren't open. Used by the Comparison Plot Dialog to label axes in US vs SI.

void	populateScene (QGraphicsScene scene, const MapExtent &canvasExtent, const SpatialReferenceSystem canvasSRS) override
	Creates / updates QGraphicsItems representing this layer in the scene.

void	depopulateScene (QGraphicsScene *scene) override
	Removes all QGraphicsItems belonging to this layer from the scene.

void	setLabelConfig (const OpenSWMM::Render::LabelConfig &cfg) override

void	onCanvasCRSChanged (const SpatialReferenceSystem *newCanvasSRS) override
	Called when the user changes the canvas CRS so layers can pre-compute any CRS-dependent transform caches.

QList< OpenSWMM::Render::ISublayer * >	sublayers () const override
	The ordered list of sublayers owned by this layer.

void	dispatchAnimationTick (int period) override
	Hook invoked by AnimationController on every time-step change.

bool	moveSublayer (int from, int to) override

OpenSWMM::Render::FeatureSublayer *	featureSublayer (SWMMModelLayer::Category c) const

QList< OpenSWMM::Render::LegendSymbolItem >	sublayerLegendItems ()
	Phase 8 (2026-05-25) — ramp-aware legend rows.

std::vector< std::unique_ptr< openswmmvis::ui::ILayerStyleSubject > >	styleSubjects () override

void	refreshScene (QGraphicsScene scene, const MapExtent &canvasExtent, const SpatialReferenceSystem canvasSRS) override
	Slice §Y.2 — incremental scene refresh.

Public Member Functions inherited from OpenSWMMVisLayer
	OpenSWMMVisLayer (OpenSWMMVisWorkspace *parent)

	OpenSWMMVisLayer (const QString &name="Unlabeled Layer", OpenSWMMVisWorkspace *parent=nullptr)

virtual	~OpenSWMMVisLayer ()

QString	layerId () const
	Returns the layer's immutable unique identifier (UUID).

QString	name () const
	Returns the user-visible name of this layer.

void	setName (const QString &name)
	Sets the user-visible name.

OpenSWMMVisLayerType	layerType () const
	Returns the layer type discriminator.

bool	isVisible () const
	Returns true when this layer should be drawn.

void	setVisible (bool visible)
	Shows or hides this layer.

double	opacity () const
	Returns the layer opacity in the range [0.0, 1.0]. 0.0 = fully transparent; 1.0 = fully opaque.

void	setOpacity (double opacity)
	Sets the layer opacity. Values are clamped to [0.0, 1.0].

SpatialReferenceSystem *	srs () const
	Returns the spatial reference system for this layer, or nullptr if the layer has no known CRS.

void	setSRS (SpatialReferenceSystem *srs, bool ownsSRS=false)
	Sets (or replaces) the CRS for this layer.

QString	crsDescription () const
	Returns a human-readable summary of this layer's CRS for display in the Properties window.

MapExtent	extent () const
	Returns the layer extent in the layer's own CRS.

void	setExtent (const MapExtent &extent)
	Sets the layer spatial extent (in the layer's CRS).

virtual bool	isRasterLayer () const
	Returns true for layers that render into a raster buffer (WMS, WMTS, GISRaster) rather than populating QGraphicsItems.

virtual bool	isBasemapLayer () const
	Returns true for world-spanning basemap layers (XYZ tile providers, WMS/WMTS services covering the whole world) that should NOT be included when computing the data-driven full extent.

virtual void	render (QPainter painter, const MapExtent &extent, const QSize &imageSize, const SpatialReferenceSystem srs)
	Renders this layer's content directly into `painter`.

virtual void	fetchCache (const MapExtent &extent, const QSize &viewportSize, const SpatialReferenceSystem *srs)
	Triggers any asynchronous (or synchronous) tile/data fetch needed to populate this layer's internal cache for the given view state.

void	setViewportSize (int w, int h)
	Called by MapCanvas before refreshScene so layers can request the correct pixel dimensions for tile/image requests.

int	viewportWidth () const

int	viewportHeight () const

QVector< OpenSWMMVisLayer * >	children () const
	Returns the ordered list of child layers.

double	layerZValue () const
	Returns the z-value base assigned to this layer by the canvas. Items within the layer should use z-values relative to this.

void	setLayerZValue (double z)
	Called by the canvas to set this layer's z-value band.

const OpenSWMM::Render::TemporalSpec &	temporalSpec () const

void	setTemporalSpec (const OpenSWMM::Render::TemporalSpec &spec)

const OpenSWMM::Render::LabelConfig &	labelConfig () const

const OpenSWMM::Render::MaskSpec &	maskSpec () const

void	setMaskSpec (const OpenSWMM::Render::MaskSpec &spec)

const OpenSWMM::Render::AuxiliaryStorageSpec &	auxStorageSpec () const

void	setAuxStorageSpec (const OpenSWMM::Render::AuxiliaryStorageSpec &spec)

const QVector< OpenSWMM::Render::JoinSpec > &	joins () const

void	setJoins (const QVector< OpenSWMM::Render::JoinSpec > &joins)

const OpenSWMM::Render::DiagramSpec &	diagramSpec () const

void	setDiagramSpec (const OpenSWMM::Render::DiagramSpec &spec)

OpenSWMMVisWorkspace *	workspace () const

void	setBasicAuth (const QString &username, const QString &password)
	Sets HTTP Basic authentication for all subsequent network requests.

void	setHttpHeaders (const BasemapHttpHeaders &headers)
	Sets arbitrary extra HTTP headers applied to every request.

BasemapHttpHeaders	httpHeaders () const

Public Member Functions inherited from OpenSWMM::Render::ISublayerHost
virtual	~ISublayerHost ()=default

virtual void	onSublayersJsonLoaded (const QJsonObject &sublayersJson)
	Hook fired at the end of loadSublayersFromJson with the raw payload, so hosts can migrate style data that moved BETWEEN sublayers across schema versions (e.g. the BC fields that left MeshEdgeStyle for MeshBcStyle). Runs on both project load and .swmm-style.json import. Default: no-op.

Public Member Functions inherited from OpenSWMM::Render::IAttributeProvider
virtual	~IAttributeProvider ()=default

Properties
QString	resultsFilePath

QString	scenarioName

QColor	profileLineColor

QPen	profileHglLinePen

QBrush	profileHglFillBrush

QPen	profileEglLinePen

QPen	profileMaxHglLinePen

QBrush	profileMaxHglFillBrush

QPen	profileMaxEglLinePen

int	currentTimeStep

QDateTime	currentDateTime

int	totalTimeSteps

SWMMResultVariable	variable

bool	showLegend

Properties inherited from OpenSWMMVisLayer
QString	Name

bool	Visible

double	Opacity

QString	LayerId

OpenSWMMVisLayerType	LayerType

QVector< OpenSWMMVisLayer * >	Children

QString	CRS

Additional Inherited Members
Public Types inherited from OpenSWMMVisLayer
enum	OpenSWMMVisLayerType { SWMMDefaultLayer = 0 , SWMMModelLayer = 1 , SWMMResultsLayer = 2 , SWMMGISLayer = 3 , SWMMVectorLayer = 4 , SWMMRasterLayer = 5 , SWMMImageryLayer = 6 , SWMMTabularDataLayer = 7 , SWMMTabularyTimeSeriesLayer = 8 , SWMMSubProjectLayer = 9 , SWMMWMSLayer = 10 , SWMMWMTSLayer = 11 , SWMM2DMeshLayer = 12 , SWMM2DResultsLayer = 13 , SWMMAnnotationLayer = 14 , SWMMFeatureLayer = 15 }
	Discriminator for the concrete layer class. More...

Static Public Member Functions inherited from OpenSWMM::Render::ISublayerHost
static QJsonObject	saveSublayersToJson (const ISublayerHost &host)

static QList< LegendSymbolItem >	aggregatedLegendSymbolItems (const ISublayerHost &host)
	Aggregates every visible sublayer's `legendSymbolItems()` into a single flat list (Slice S4 / §J.5 — legend-from- renderer rule, sublayer extension).

static ISublayer *	findSublayer (const ISublayerHost &host, const QString &id)
	O(N) lookup of a sublayer by its stable id. Returns nullptr when not found. Used by the legend dock's right-click handler in S4 to find the sublayer whose style dialog should open when the user clicks a sublayer-tagged swatch.

static void	loadSublayersFromJson (ISublayerHost &host, const QJsonObject &j)

Protected Member Functions inherited from OpenSWMMVisLayer
bool	addChild (OpenSWMMVisLayer *child)

bool	removeChild (OpenSWMMVisLayer *child)

void	setLayerType (OpenSWMMVisLayerType type)

Protected Attributes inherited from OpenSWMMVisLayer
QByteArray	m_authHeader
	"Basic <base64>" or empty

BasemapHttpHeaders	m_httpHeaders
	arbitrary headers (incl. "referer")

Detailed Description

Overlays time-stepped simulation results on the SWMM network geometry.

Reads output from an OpenSWMMEngine binary results file (.out), maps a selected variable at the current simulation time step to a colour ramp, and paints the network elements with those colours.

Supports:

Animation: step forward/backward through the time series.
Any SWMMResultVariable (node depth/head, link flow/velocity, etc.).
A configurable RasterColorRamp for consistent colour mapping.
Legend rendering.

The layer delegates geometry loading to an associated SWMMModelLayer and only manages the colour-mapping / time-stepped rendering.

Constructor & Destructor Documentation

◆ SWMMResultsLayer()

SWMMResultsLayer::SWMMResultsLayer	(	const QString &	resultsFilePath,
		class SWMMModelLayer *	modelLayer,
		OpenSWMMVisWorkspace *	parent = `nullptr`
	)

explicit

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◆ ~SWMMResultsLayer()

SWMMResultsLayer::~SWMMResultsLayer ( )

override

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Member Function Documentation

◆ autoStretchColorRamp()

void SWMMResultsLayer::autoStretchColorRamp ( )

Automatically sets the colour ramp range from the data min/max across all time steps for the current variable.

◆ availableAttributes()

QVector< OpenSWMM::Render::AttributeField > SWMMResultsLayer::availableAttributes ( OpenSWMMVis::SwmmCategory cat ) const

overridevirtual

Available themeable fields for cat. Empty list is a valid answer — means the layer doesn't surface per-feature attributes on this category (e.g. SWMMModelLayer::CatRainGages has no per- feature engine fields).

Order = preferred picker order. Callers should NOT re-sort.

Implements OpenSWMM::Render::IAttributeProvider.

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◆ closeResults()

void SWMMResultsLayer::closeResults ( )

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◆ colorForClass()

QColor SWMMResultsLayer::colorForClass ( const QString & classKey ) const

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◆ colorRamp()

RasterColorRamp SWMMResultsLayer::colorRamp ( ) const

◆ currentDateTime()

QDateTime SWMMResultsLayer::currentDateTime ( ) const

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◆ currentDateTimeChanged

void SWMMResultsLayer::currentDateTimeChanged ( const QDateTime & dt )

signal

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◆ currentTimeStep()

int SWMMResultsLayer::currentTimeStep ( ) const

◆ currentTimeStepChanged

void SWMMResultsLayer::currentTimeStepChanged ( int step )

signal

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◆ depopulateScene()

void SWMMResultsLayer::depopulateScene ( QGraphicsScene * scene )

overridevirtual

Removes all QGraphicsItems belonging to this layer from the scene.

Reimplemented from OpenSWMMVisLayer.

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◆ dispatchAnimationTick()

void SWMMResultsLayer::dispatchAnimationTick ( int period )

overridevirtual

Hook invoked by AnimationController on every time-step change.

   The default implementation walks sublayers() and emits
   invalidated() on each entry whose isDynamic() returns true.
   Concrete hosts may override to batch the invalidation (e.g.
   coalesce multiple sublayer re-uploads into one QSG update
   cycle), but the contract is the same: static sublayers
   MUST NOT be invalidated by an animation tick.

   \p period is the new animation period index, suitable for
   forwarding into the per-frame SublayerContext built by the
   QSG renderer on its next updatePaintNode() call. The default
   implementation does not stash it — the renderer reads the
   authoritative value from AnimationController when building
   the context — but overrides may use it for per-host caching.

Reimplemented from OpenSWMM::Render::ISublayerHost.

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◆ endDateTime()

QDateTime SWMMResultsLayer::endDateTime ( ) const

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◆ extendedMetadata()

QVector< QPair< QString, QString > > SWMMResultsLayer::extendedMetadata ( ) const

overridevirtual

Ordered key→value pairs of TYPE-SPECIFIC metadata, rendered by the Metadata tab below the common block the dialog builds itself.

Default empty. Subclasses add only what is unique to them (e.g. a mesh: vertices / cells / edges / elevation range). QVector<QPair> preserves insertion order without a new type.

Reimplemented from OpenSWMMVisLayer.

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◆ featureSublayer()

OpenSWMM::Render::FeatureSublayer * SWMMResultsLayer::featureSublayer ( SWMMModelLayer::Category c ) const

Typed convenience accessor by Category. Returns nullptr if the category has no sublayer (out-of-range Category).

◆ flowUnits()

int SWMMResultsLayer::flowUnits ( ) const

Engine-reported flow units (0=CFS, 1=GPM, 2=MGD, 3=CMS, 4=LPS, 5=MLD). -1 when results aren't open. Used by the Comparison Plot Dialog to label axes in US vs SI.

◆ isLive()

bool SWMMResultsLayer::isLive ( ) const

inlinenoexcept

True between openResultsLive() and the footer's arrival.

◆ kindRenderer()

OpenSWMM::Render::IFeatureRenderer * SWMMResultsLayer::kindRenderer ( SWMMModelLayer::Category c ) const

Returns the per-kind renderer for category c, or nullptr when none has been installed yet (callers should fall back to the layer-level renderer()).

The kind ordinals match SWMMModelLayer::Category (11 entries: 4 node kinds + 5 link kinds + Subcatchments + RainGages — though RainGages doesn't carry results today).

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◆ kindRendererIsDefault()

bool SWMMResultsLayer::kindRendererIsDefault ( SWMMModelLayer::Category c ) const

True when the installed kind renderer for c is semantically identical to the compile-time default — ignoring derived state (classification breaks, sampled ramp range). Gap A2.1 installs defaults eagerly on openResults(); the project serializer uses this to elide untouched slots so .oswp files stay minimal.

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◆ legendSymbolItems()

QList< OpenSWMM::Render::LegendSymbolItem > SWMMResultsLayer::legendSymbolItems ( )

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◆ linkOutputIndex()

int SWMMResultsLayer::linkOutputIndex ( const QString & name ) const

Output-file index for the named link, or -1.

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◆ linkStatMaxFilling()

double SWMMResultsLayer::linkStatMaxFilling ( const QString & linkName ) const

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◆ linkStatMaxFlow()

double SWMMResultsLayer::linkStatMaxFlow ( const QString & linkName ) const

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◆ linkStatMaxVelocity()

double SWMMResultsLayer::linkStatMaxVelocity ( const QString & linkName ) const

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◆ linkStatPumpCycles()

double SWMMResultsLayer::linkStatPumpCycles ( const QString & linkName ) const

Pump start-up count.

ACCURACY: this is the statistic the report-step caveat hurts most, and it is a LOWER BOUND rather than an approximation with a small error bar. A pump that switches off and back on entirely between two report times leaves no trace in the .out file, so that cycle is invisible. Validated at REPORT_STEP 60 s / ROUTING_STEP 0.5 s: four of five pumps counted exactly, the fifth read 2 against the report's 3. On-time and volume pumped degrade gracefully over the same run (within 0.3 % and 0.04 %) because a brief outage barely moves an integral.

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◆ linkStatPumpOnTime()

double SWMMResultsLayer::linkStatPumpOnTime ( const QString & linkName ) const

Pump on-time in HOURS — the Attribute Table column's unit. Note the editing-engine getter it stands in for reports SECONDS; the model's engine path wraps that in a conversion, and this path bypasses it.

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◆ linkStatPumpVolume()

double SWMMResultsLayer::linkStatPumpVolume ( const QString & linkName ) const

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◆ linkStatSurchargeTime()

double SWMMResultsLayer::linkStatSurchargeTime ( const QString & linkName ) const

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◆ linkStatVolFlow()

double SWMMResultsLayer::linkStatVolFlow ( const QString & linkName ) const

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◆ modelLayer()

class SWMMModelLayer * SWMMResultsLayer::modelLayer ( ) const

inline

The SWMM model layer that supplies network topology + attributes for this run. Categorized rendering on results layers reads categorical strings ("tag", "Link type", …) through here.

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◆ moveSublayer()

bool SWMMResultsLayer::moveSublayer	(	int	from,
		int	to
	)

overridevirtual

Reorder sublayers in paint order (bottom-up). Emits repaintRequested() on success. Returns false on out-of-range indices.

Reimplemented from OpenSWMM::Render::ISublayerHost.

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◆ nodeOutputIndex()

int SWMMResultsLayer::nodeOutputIndex ( const QString & name ) const

Output-file index for the named node, or -1 if not found. The output file uses its own indexing scheme (a name-keyed order) that may differ from the engine's node index, so callers must resolve via name.

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◆ nodeStatMaxDepth()

double SWMMResultsLayer::nodeStatMaxDepth ( const QString & nodeName ) const

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◆ nodeStatMaxOverflow()

double SWMMResultsLayer::nodeStatMaxOverflow ( const QString & nodeName ) const

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◆ nodeStatTimeFlooded()

double SWMMResultsLayer::nodeStatTimeFlooded ( const QString & nodeName ) const

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◆ nodeStatVolFlooded()

double SWMMResultsLayer::nodeStatVolFlooded ( const QString & nodeName ) const

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◆ onCanvasCRSChanged()

void SWMMResultsLayer::onCanvasCRSChanged ( const SpatialReferenceSystem * newCanvasSRS )

overridevirtual

Called when the user changes the canvas CRS so layers can pre-compute any CRS-dependent transform caches.

Parameters

newCanvasSRS The new canvas CRS.

Reimplemented from OpenSWMMVisLayer.

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◆ openResults()

bool SWMMResultsLayer::openResults	(	QList< QString > &	warnings,
		QList< QString > &	errors
	)

Opens the binary results file.

Returns: true if the file was opened and indexed successfully.

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◆ openResultsAsync()

void SWMMResultsLayer::openResultsAsync ( )

Asynchronous counterpart to openResults. Runs the blocking swmm_output_open (file + header/index parse) on a worker thread; the renderer install + period-0 fetch + emits run on the GUI thread, and resultsOpenFinished(bool) fires on completion.

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◆ openResultsLive()

bool SWMMResultsLayer::openResultsLive ( QList< QString > & errors )

Open a results file the engine is still writing (live tail).

Uses swmm_output_open_live: only the header needs to be on disk; the period count comes from the file size and grows via refreshLive. Returns false WITHOUT emitting resultsError when the header is not there yet — the caller retries on the next progress tick. Zero periods is a valid live state (totalTimeSteps() == 0 until the first report step is flushed).

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◆ outputHandle()

SWMM_Output SWMMResultsLayer::outputHandle ( ) const

Raw SWMM_Output handle to the open .out file, or nullptr when results aren't open yet. Exposed so Slice BC's profile plot can call swmm_output_get_node_series / swmm_output_get_link_series for bulk time-series fetches without a per-period round-trip.

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◆ periodIndexForDateTime()

int SWMMResultsLayer::periodIndexForDateTime ( const QDateTime & dt ) const

Returns the period index closest to dt on this layer's time grid.

Used by AnimationController to snap secondary layers to the primary layer's current time. Result is clamped to [0, totalTimeSteps-1].

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◆ periodIndexForDateTimeAsOf()

int SWMMResultsLayer::periodIndexForDateTimeAsOf ( const QDateTime & dt ) const

Causal peer of periodIndexForDateTime: the latest period at or before dt (floor instead of nearest), clamped to [0, totalTimeSteps-1]. Used by AnimationController so a secondary output never displays a frame ahead of the animation cursor.

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◆ periodsAppended

void SWMMResultsLayer::periodsAppended	(	int	firstNew,
		int	count
	)

signal

Live tail: periods [firstNew, firstNew+count) are now readable. Views that keep incremental state (plot tails) append from here; the animation range follows totalTimeStepsChanged as before.

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◆ populateScene()

void SWMMResultsLayer::populateScene	(	QGraphicsScene *	scene,
		const MapExtent &	canvasExtent,
		const SpatialReferenceSystem *	canvasSRS
	)

overridevirtual

Creates / updates QGraphicsItems representing this layer in the scene.

Derived classes override this to add their items to the scene. Items should be created in scene coordinates (= map CRS coordinates) after reprojecting from the layer's native CRS.

Called by the MapCanvas when:

The layer is first added.
The canvas CRS changes (after onCanvasCRSChanged).
The layer data changes (model loaded, tile fetched, etc.).

Parameters

scene	The shared OpenSWMMVisScene to add items to.
canvasExtent	Visible extent in canvas-CRS coordinates.
canvasSRS	The CRS currently used by the MapCanvas.

Implements OpenSWMMVisLayer.

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◆ profileEglLinePen()

QPen SWMMResultsLayer::profileEglLinePen ( ) const

◆ profileHglFillBrush()

QBrush SWMMResultsLayer::profileHglFillBrush ( ) const

◆ profileHglLinePen()

QPen SWMMResultsLayer::profileHglLinePen ( ) const

◆ profileLineColor()

QColor SWMMResultsLayer::profileLineColor ( ) const

Per-layer line/fill color used by Slice BC's profile plot.

Auto-assigned at construction from the categorical palette (cycled by an internal layer counter), but user-editable via the Sources panel. Persisted in .oswp once the result-layer schema upgrades to objects (currently still a path-string array).

◆ profileLineColorChanged

void SWMMResultsLayer::profileLineColorChanged ( const QColor & color )

signal

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◆ profileMaxEglLinePen()

QPen SWMMResultsLayer::profileMaxEglLinePen ( ) const

◆ profileMaxHglFillBrush()

QBrush SWMMResultsLayer::profileMaxHglFillBrush ( ) const

◆ profileMaxHglLinePen()

QPen SWMMResultsLayer::profileMaxHglLinePen ( ) const

◆ profileStyleChanged

void SWMMResultsLayer::profileStyleChanged ( )

signal

any of profile{Hgl,Egl,MaxHgl,MaxEgl}Line/FillBrush changed

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◆ readProfileStyle()

void SWMMResultsLayer::readProfileStyle ( class QSettings & settings )

Companion of writeProfileStyle. Reads any of the six keys present at the current QSettings position and pushes them through the per-setter, so missing keys leave the layer's defaults untouched.

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◆ refreshLive()

int SWMMResultsLayer::refreshLive ( )

Re-count periods on a live file. Grows totalTimeSteps(), extends endDateTime(), drops whole-file aggregate caches, and emits totalTimeStepsChanged + periodsAppended when new periods appeared. When the writer's closing records have landed the layer leaves live mode and emits resultsFinalized.

Returns: the current period count (unchanged when not live).

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◆ refreshRuleMirror()

void SWMMResultsLayer::refreshRuleMirror ( SWMMModelLayer::Category c )

Re-clones the live kind renderer for c into the Rule mirror (no-op when the rule list hasn't been built). Dialog editors read the mirror; call this before mounting one so it reflects in-place mutations (variable retargeting, re-classification, per-frame rebin) the setKindRenderer sync hook cannot observe.

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◆ refreshScene()

void SWMMResultsLayer::refreshScene	(	QGraphicsScene *	scene,
		const MapExtent &	canvasExtent,
		const SpatialReferenceSystem *	canvasSRS
	)

overridevirtual

Slice §Y.2 — incremental scene refresh.

Branches on m_sceneDirty: ValuesDirty walks the per-feature item cache and applies setBrush/setPen in place; Structural falls back to the base class depopulate + populate path. Clean returns immediately. The cache is populated during populateScene and cleared in depopulateScene.

Reimplemented from OpenSWMMVisLayer.

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◆ renderer()

OpenSWMM::Render::IFeatureRenderer * SWMMResultsLayer::renderer ( ) const

virtual

The IFeatureRenderer that will drive this layer's paint pass.

Constructed eagerly as a default GraduatedRenderer so callers never have to null-check. Owned by the layer; do not delete. Returned non-const so the caller may classify / configure the renderer in place (mutations the layer should know about should go via setRenderer() to trigger rendererChanged()).

Reimplemented from OpenSWMMVisLayer.

◆ rendererChanged

void SWMMResultsLayer::rendererChanged ( )

signal

Emitted when setRenderer() swaps the renderer pointer.

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◆ reportedStartDateTime()

QDateTime SWMMResultsLayer::reportedStartDateTime ( ) const

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◆ reportFilePath()

QString SWMMResultsLayer::reportFilePath ( ) const

Path of the .rpt summary report written by the run that produced this layer's .out file (empty when unknown).

Set by SWMMVis when a simulation finishes; persisted in the .oswp sidecar (keyed by the result path) so the Report Viewer can list every run's report after a project reload.

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◆ reportStepSeconds()

int SWMMResultsLayer::reportStepSeconds ( ) const

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◆ resetKindRendererToDefaults()

void SWMMResultsLayer::resetKindRendererToDefaults ( SWMMModelLayer::Category c )

Restores the per-kind slot for c to its compile-time default (GraduatedRenderer keyed to the scope's primary result variable, Viridis ramp, EqualInterval 5-bin).

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◆ resultsError

void SWMMResultsLayer::resultsError ( const QString & message )

signal

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◆ resultsFilePath()

QString SWMMResultsLayer::resultsFilePath ( ) const

◆ resultsFilePathChanged

void SWMMResultsLayer::resultsFilePathChanged ( const QString & path )

signal

◆ resultsFinalized

void SWMMResultsLayer::resultsFinalized ( )

signal

Live tail: the writer's closing records arrived; the file is final.

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◆ resultsOpened

void SWMMResultsLayer::resultsOpened ( )

signal

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◆ resultsOpenFinished

void SWMMResultsLayer::resultsOpenFinished ( bool ok )

signal

Emitted on the GUI thread when openResultsAsync() completes.

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◆ ruleList() [1/2]

const OpenSWMM::Render::RuleList * SWMMResultsLayer::ruleList ( ) const

overridevirtual

Reimplemented from OpenSWMMVisLayer.

◆ ruleList() [2/2]

OpenSWMM::Render::RuleList * SWMMResultsLayer::ruleList ( )

overridevirtual

Reimplemented from OpenSWMMVisLayer.

◆ scenarioName()

QString SWMMResultsLayer::scenarioName ( ) const

User-visible name for this run/scenario (editable, persisted in .oswp).

Defaults to "Run — HH:MM:SS" at construction time.

◆ scenarioNameChanged

void SWMMResultsLayer::scenarioNameChanged ( const QString & name )

signal

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◆ setColorForClass()

void SWMMResultsLayer::setColorForClass	(	const QString &	classKey,
		const QColor &	color
	)

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◆ setColorRamp()

void SWMMResultsLayer::setColorRamp ( const RasterColorRamp & ramp )

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◆ setCurrentTimeStep()

void SWMMResultsLayer::setCurrentTimeStep ( int step )

Seeks to the given 0-based time step.

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◆ setKindRenderer()

void SWMMResultsLayer::setKindRenderer	(	SWMMModelLayer::Category	c,
		std::unique_ptr< OpenSWMM::Render::IFeatureRenderer >	r
	)

Installs (or replaces) the per-kind renderer for category c. The layer takes ownership. A null pointer clears the slot (paint reverts to the layer-level renderer). Emits rendererChanged() when the slot pointer changes.

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◆ setLabelConfig()

void SWMMResultsLayer::setLabelConfig ( const OpenSWMM::Render::LabelConfig & cfg )

overridevirtual

L-1 — a label-config change (enable / font / placement) only affects the label items, but refreshScene early-returns when the scene is Clean. Escalate to Values so the next refresh runs restyleScene → refreshLabels and the change is reflected without an animation tick.

Reimplemented from OpenSWMMVisLayer.

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◆ setProfileEglLinePen()

void SWMMResultsLayer::setProfileEglLinePen ( const QPen & pen )

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◆ setProfileHglFillBrush()

void SWMMResultsLayer::setProfileHglFillBrush ( const QBrush & brush )

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◆ setProfileHglLinePen()

void SWMMResultsLayer::setProfileHglLinePen ( const QPen & pen )

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◆ setProfileLineColor()

void SWMMResultsLayer::setProfileLineColor ( const QColor & color )

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◆ setProfileMaxEglLinePen()

void SWMMResultsLayer::setProfileMaxEglLinePen ( const QPen & pen )

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◆ setProfileMaxHglFillBrush()

void SWMMResultsLayer::setProfileMaxHglFillBrush ( const QBrush & brush )

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◆ setProfileMaxHglLinePen()

void SWMMResultsLayer::setProfileMaxHglLinePen ( const QPen & pen )

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◆ setRenderer()

void SWMMResultsLayer::setRenderer ( std::unique_ptr< OpenSWMM::Render::IFeatureRenderer > r )

virtual

Replaces the current renderer.

The layer takes ownership. A null pointer is rejected (the method silently no-ops) so renderer() never returns nullptr. Emits rendererChanged() when the renderer pointer actually changes.

Reimplemented from OpenSWMMVisLayer.

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◆ setReportFilePath()

void SWMMResultsLayer::setReportFilePath ( const QString & path )

◆ setScenarioName()

void SWMMResultsLayer::setScenarioName ( const QString & name )

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◆ setShowLegend()

void SWMMResultsLayer::setShowLegend ( bool show )

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◆ setVariable()

void SWMMResultsLayer::setVariable ( SWMMResultVariable var )

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◆ showLegend()

bool SWMMResultsLayer::showLegend ( ) const

◆ showLegendChanged

void SWMMResultsLayer::showLegendChanged ( bool show )

signal

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◆ sizeForClass()

qreal SWMMResultsLayer::sizeForClass ( const QString & classKey ) const

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◆ sourceDescription()

QString SWMMResultsLayer::sourceDescription ( ) const

overridevirtual

Human-readable source of this layer: a file path, a service URL, or a description for in-memory / derived layers.

Default empty — the dialog shows "(none)". Concrete layers override to return their real origin (e.g. modelFilePath(), resultsFilePath(), serviceUrl(), or "(generated mesh)").

Reimplemented from OpenSWMMVisLayer.

◆ speciesNames()

QStringList SWMMResultsLayer::speciesNames ( ) const

Y2a — the loaded run's species names, in .out order (pollutants plus the reserved age/temperature columns).

Empty when no results are open or the run carries no quality. Read live from the reader rather than cached: the handle is reopened on reload and a stale list would repoint every species theme by a slot.

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◆ startDateTime()

QDateTime SWMMResultsLayer::startDateTime ( ) const

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◆ stepBackward()

void SWMMResultsLayer::stepBackward ( bool loop = false )

Goes back one time step (wraps at start if loop is true).

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◆ stepForward()

void SWMMResultsLayer::stepForward ( bool loop = false )

Advances to the next time step (wraps at end if loop is true).

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◆ styleSubjects()

std::vector< std::unique_ptr< openswmmvis::ui::ILayerStyleSubject > > SWMMResultsLayer::styleSubjects ( )

overridevirtual

Slice U-2 — surface every visible-results sublayer (and the scenario / variable controls) as styleable subjects for the unified LayerStyleDialog.

Reimplemented from OpenSWMMVisLayer.

◆ subcatchOutputIndex()

int SWMMResultsLayer::subcatchOutputIndex ( const QString & name ) const

Output-file index for the named subcatchment, or -1. Mirrors nodeOutputIndex / linkOutputIndex; added in Slice BL so the Comparison Plot Dialog can read subcatchment series.

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◆ subcatchStatMaxRunoff()

double SWMMResultsLayer::subcatchStatMaxRunoff ( const QString & subName ) const

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◆ subcatchStatPrecip()

double SWMMResultsLayer::subcatchStatPrecip ( const QString & subName ) const

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◆ subcatchStatRunoffVol()

double SWMMResultsLayer::subcatchStatRunoffVol ( const QString & subName ) const

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◆ sublayerLegendItems()

QList< OpenSWMM::Render::LegendSymbolItem > SWMMResultsLayer::sublayerLegendItems ( )

Phase 8 (2026-05-25) — ramp-aware legend rows.

   Replaces the generic ISublayer::legendSymbolItems()
   single-swatch output with graduated legend rows that reflect
   what populateScene actually paints (5 bins from m_colorRamp,
   ranged across each sublayer's sampled attribute range, labelled
   with value samples). Used by LegendLayerTreeModel when the
   layer is a SWMMResultsLayer; the generic ISublayer aggregator
   remains the fallback for other host layers.

   Each item carries the sublayerId so the legend dock's
   right-click → "Edit Sublayer Style…" path (Phase 5) keeps
   working unchanged.

   Non-const because it may trigger lazy ensure*AttributeRange()
   sampling when first asked for an attribute's legend bins.

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◆ sublayers()

QList< OpenSWMM::Render::ISublayer * > SWMMResultsLayer::sublayers ( ) const

overridevirtual

The ordered list of sublayers owned by this layer.

   Paint order is list order (bottom-up). Callers must NOT
   cache the returned list across structural changes — the
   host may add / remove / reorder sublayers in response to
   user actions, and the references become stale.

   Returned references are non-owning; the host retains
   ownership of every sublayer.

Implements OpenSWMM::Render::ISublayerHost.

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◆ supportsClassEdit()

bool SWMMResultsLayer::supportsClassEdit ( OpenSWMM::Render::ClassEditKind kind ) const

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◆ totalTimeSteps()

int SWMMResultsLayer::totalTimeSteps ( ) const

◆ totalTimeStepsChanged

void SWMMResultsLayer::totalTimeStepsChanged ( int count )

signal

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◆ variable()

SWMMResultVariable SWMMResultsLayer::variable ( ) const

◆ variableChanged

void SWMMResultsLayer::variableChanged ( SWMMResultVariable var )

signal

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◆ writeProfileStyle()

void SWMMResultsLayer::writeProfileStyle ( class QSettings & settings ) const

Writes this layer's per-source profile pens & brushes to the current QSettings position. Called from the dialogs' source persistence loops while QSettings is already positioned at the matching array index.

Keys written (prefix-free, relative to the current group/array index): profileHglLinePen, profileHglFillBrush, profileEglLinePen, profileMaxHglLinePen, profileMaxHglFillBrush, profileMaxEglLinePen Values are QPen / QBrush variants — Qt serialises them via QDataStream so colour, width, style, and dash pattern all round-trip.

Property Documentation

◆ currentDateTime

QDateTime SWMMResultsLayer::currentDateTime

read

◆ currentTimeStep

int SWMMResultsLayer::currentTimeStep

readwrite

◆ profileEglLinePen

QPen SWMMResultsLayer::profileEglLinePen

readwrite

◆ profileHglFillBrush

QBrush SWMMResultsLayer::profileHglFillBrush

readwrite

◆ profileHglLinePen

QPen SWMMResultsLayer::profileHglLinePen

readwrite

◆ profileLineColor

QColor SWMMResultsLayer::profileLineColor

readwrite

◆ profileMaxEglLinePen

QPen SWMMResultsLayer::profileMaxEglLinePen

readwrite

◆ profileMaxHglFillBrush

QBrush SWMMResultsLayer::profileMaxHglFillBrush

readwrite

◆ profileMaxHglLinePen

QPen SWMMResultsLayer::profileMaxHglLinePen

readwrite

◆ resultsFilePath

QString SWMMResultsLayer::resultsFilePath

read

◆ scenarioName

QString SWMMResultsLayer::scenarioName

readwrite

◆ showLegend

bool SWMMResultsLayer::showLegend

readwrite

◆ totalTimeSteps

int SWMMResultsLayer::totalTimeSteps

read

◆ variable

SWMMResultVariable SWMMResultsLayer::variable

readwrite

The documentation for this class was generated from the following files:

/home/runner/work/openswmm.gui/openswmm.gui/include/layers/swmmresultslayer.h
/home/runner/work/openswmm.gui/openswmm.gui/src/layers/swmmresultslayer.cpp

Signals

Public Member Functions

Properties

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ SWMMResultsLayer()

◆ ~SWMMResultsLayer()

Member Function Documentation

◆ autoStretchColorRamp()

◆ availableAttributes()

◆ closeResults()

◆ colorForClass()

◆ colorRamp()

◆ currentDateTime()

◆ currentDateTimeChanged

◆ currentTimeStep()

◆ currentTimeStepChanged

◆ depopulateScene()

◆ dispatchAnimationTick()

◆ endDateTime()

◆ extendedMetadata()

◆ featureSublayer()

◆ flowUnits()

◆ isLive()

◆ kindRenderer()

◆ kindRendererIsDefault()

◆ legendSymbolItems()

◆ linkOutputIndex()

◆ linkStatMaxFilling()

◆ linkStatMaxFlow()

◆ linkStatMaxVelocity()

◆ linkStatPumpCycles()

◆ linkStatPumpOnTime()

◆ linkStatPumpVolume()

◆ linkStatSurchargeTime()

◆ linkStatVolFlow()

◆ modelLayer()

◆ moveSublayer()

◆ nodeOutputIndex()

◆ nodeStatMaxDepth()

◆ nodeStatMaxOverflow()

◆ nodeStatTimeFlooded()

◆ nodeStatVolFlooded()

◆ onCanvasCRSChanged()

◆ openResults()

◆ openResultsAsync()

◆ openResultsLive()

◆ outputHandle()

◆ periodIndexForDateTime()

◆ periodIndexForDateTimeAsOf()

◆ periodsAppended

◆ populateScene()

◆ profileEglLinePen()

◆ profileHglFillBrush()

◆ profileHglLinePen()

◆ profileLineColor()

◆ profileLineColorChanged

◆ profileMaxEglLinePen()

◆ profileMaxHglFillBrush()

◆ profileMaxHglLinePen()

◆ profileStyleChanged

◆ readProfileStyle()

◆ refreshLive()

◆ refreshRuleMirror()

◆ refreshScene()

◆ renderer()

◆ rendererChanged

◆ reportedStartDateTime()

◆ reportFilePath()

◆ reportStepSeconds()

◆ resetKindRendererToDefaults()

◆ resultsError

◆ resultsFilePath()

◆ resultsFilePathChanged

◆ resultsFinalized

◆ resultsOpened

◆ resultsOpenFinished

◆ ruleList() [1/2]

◆ ruleList() [2/2]