17#ifndef QGSVECTORLAYERPROFILEGENERATOR_H
18#define QGSVECTORLAYERPROFILEGENERATOR_H
67 QHash< QgsFeatureId, QVector< Feature > >
features;
71 bool respectLayerSymbology =
true;
73 bool mShowMarkerSymbolInSurfacePlots =
false;
75 QString
type()
const override;
90 void visitFeaturesAtPoint(
const QgsProfilePoint &point,
double maximumPointDistanceDelta,
double maximumPointElevationDelta,
double maximumSurfaceElevationDelta,
91 const std::function<
void(
QgsFeatureId,
double delta,
double distance,
double elevation ) > &visitor,
bool visitWithin );
116 QString sourceId()
const override;
127 bool generateProfileForPoints();
128 bool generateProfileForLines();
129 bool generateProfileForPolygons();
131 void processIntersectionPoint(
const QgsPoint *intersectionPoint,
const QgsFeature &feature );
134 QgsPoint interpolatePointOnTriangle(
const QgsPolygon *triangle,
double x,
double y )
const;
135 void processTriangleIntersectForPoint(
const QgsPolygon *triangle,
const QgsPoint *intersect, QVector< QgsGeometry > &transformedParts, QVector< QgsGeometry > &crossSectionParts );
136 void processTriangleIntersectForLine(
const QgsPolygon *triangle,
const QgsLineString *intersect, QVector< QgsGeometry > &transformedParts, QVector< QgsGeometry > &crossSectionParts );
137 void processTriangleIntersectForPolygon(
const QgsPolygon *triangle,
const QgsPolygon *intersectionPolygon, QVector< QgsGeometry > &transformedParts, QVector< QgsGeometry > &crossSectionParts );
139 double terrainHeight(
double x,
double y );
140 double featureZToHeight(
double x,
double y,
double z,
double offset );
143 bool clampAltitudes(
QgsPolygon *polygon,
double offset );
146 std::unique_ptr<QgsFeedback> mFeedback =
nullptr;
149 std::unique_ptr< QgsGeos > mProfileCurveEngine;
151 std::unique_ptr<QgsAbstractGeometry> mProfileBufferedCurve;
152 std::unique_ptr< QgsGeos > mProfileBufferedCurveEngine;
154 std::unique_ptr< QgsAbstractTerrainProvider > mTerrainProvider;
156 std::unique_ptr< QgsCurve > mTransformedCurve;
157 double mTolerance = 0;
165 std::unique_ptr< QgsVectorLayerFeatureSource > mSource;
172 bool mExtrusionEnabled =
false;
173 double mExtrusionHeight = 0;
183 std::unique_ptr< QgsVectorLayerProfileResults > mResults;
185 bool mRespectLayerSymbology =
true;
186 std::unique_ptr< QgsMarkerSymbol > mProfileMarkerSymbol;
187 bool mShowMarkerSymbolInSurfacePlots =
false;
190 QPointer< QgsVectorLayer > mLayer;
AltitudeClamping
Altitude clamping.
@ Terrain
Elevation is clamped to terrain (final elevation = terrain elevation)
AltitudeBinding
Altitude binding.
@ Centroid
Clamp just centroid of feature.
VectorProfileType
Types of elevation profiles to generate for vector sources.
@ IndividualFeatures
Treat each feature as an individual object (eg buildings)
ProfileExportType
Types of export for elevation profiles.
WkbType
The WKB type describes the number of dimensions a geometry has.
Abstract base class for objects which generate elevation profiles.
Abstract base class for storage of elevation profiles.
virtual QString type() const =0
Returns the unique string identifier for the results type.
Abstract base class for objects which generate elevation profiles which represent a continuous surfac...
Abstract base class for storage of elevation profiles which represent a continuous surface (e....
void renderResults(QgsProfileRenderContext &context) override
Renders the results to the specified context.
void copyPropertiesFromGenerator(const QgsAbstractProfileGenerator *generator) override
Copies properties from specified generator to the results object.
std::unique_ptr< QgsCurve > mProfileCurve
QVector< QgsAbstractProfileResults::Feature > asFeatures(Qgis::ProfileExportType type, QgsFeedback *feedback=nullptr) const override
Returns a list of features representing the calculated elevation results.
QVector< QgsGeometry > asGeometries() const override
Returns a list of geometries representing the calculated elevation results.
QVector< QgsProfileIdentifyResults > identify(const QgsProfilePoint &point, const QgsProfileIdentifyContext &context) override
Identify results visible at the specified profile point.
QgsProfileSnapResult snapPoint(const QgsProfilePoint &point, const QgsProfileSnapContext &context) override
Snaps a point to the generated elevation profile.
Abstract base class for terrain providers.
This class represents a coordinate reference system (CRS).
Contains information about the context in which a coordinate transform is executed.
Abstract base class for curved geometry type.
QgsRange which stores a range of double values.
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
The feature class encapsulates a single feature including its unique ID, geometry and a list of field...
Base class for feedback objects to be used for cancellation of something running in a worker thread.
Container of fields for a vector layer.
A geometry is the spatial representation of a feature.
Does vector analysis using the geos library and handles import, export, exception handling*.
Line string geometry type, with support for z-dimension and m-values.
Point geometry type, with support for z-dimension and m-values.
Encapsulates the context in which an elevation profile is to be generated.
Encapsulates the context of identifying profile results.
Encapsulates a point on a distance-elevation profile.
Abstract base class for storage of elevation profiles.
Encapsulates properties and constraints relating to fetching elevation profiles from different source...
Encapsulates the context of snapping a profile point.
Encapsulates results of snapping a profile point.
A grouped map of multiple QgsProperty objects, each referenced by a integer key value.
A rectangle specified with double values.
Partial snapshot of vector layer's state (only the members necessary for access to features)
Implementation of QgsAbstractProfileGenerator for vector layers.
~QgsVectorLayerProfileGenerator() override
Implementation of QgsAbstractProfileResults for vector layers.
std::unique_ptr< QgsMarkerSymbol > mMarkerSymbol
QPointer< QgsVectorLayer > mLayer
QHash< QgsFeatureId, QVector< Feature > > features
Represents a vector layer which manages a vector based data sets.
qint64 QgsFeatureId
64 bit feature ids negative numbers are used for uncommitted/newly added features
QgsGeometry crossSectionGeometry
Cross section distance vs height geometry for feature.
QgsFeatureId featureId
Original feature ID.
QgsGeometry geometry
Feature's geometry with any terrain height adjustment and extrusion applied.