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/************************************************************************
* This file has been generated automatically from *
* *
* src/analysis/interpolation/qgsinterpolator.h *
* *
* Do not edit manually ! Edit header and run scripts/sipify.pl again *
************************************************************************/
%ModuleHeaderCode
#include "qgsinterpolator.h"
%End
struct QgsInterpolatorVertexData
{
QgsInterpolatorVertexData( double x, double y, double z );
%Docstring
Constructor for :py:class:`QgsInterpolatorVertexData` with the specified
``x``, ``y``, and ``z`` coordinate.
%End
QgsInterpolatorVertexData();
%Docstring
Constructor for :py:class:`QgsInterpolatorVertexData`
%End
double x;
double y;
double z;
};
class QgsInterpolator
{
%Docstring(signature="appended")
Interface class for interpolations.
Interpolators take
the vertices of a vector layer as base data. The z-Value
can be an attribute or the z-coordinates in case of 3D types.
%End
%TypeHeaderCode
#include "qgsinterpolator.h"
%End
public:
enum SourceType
{
SourcePoints,
SourceStructureLines,
SourceBreakLines,
};
enum ValueSource
{
ValueAttribute,
ValueZ,
ValueM,
};
enum Result
{
Success,
Canceled,
InvalidSource,
FeatureGeometryError,
};
struct LayerData
{
QgsFeatureSource *source;
QgsInterpolator::ValueSource valueSource;
int interpolationAttribute;
QgsInterpolator::SourceType sourceType;
QgsCoordinateTransformContext transformContext;
};
QgsInterpolator( const QList<QgsInterpolator::LayerData> &layerData );
virtual ~QgsInterpolator();
virtual int interpolatePoint( double x, double y, double &result /Out/, QgsFeedback *feedback = 0 ) = 0;
%Docstring
Calculates interpolation value for map coordinates x, y
:param x: x-coordinate (in map units)
:param y: y-coordinate (in map units)
:param feedback: optional feedback object for progress and cancellation support
:return: - 0 in case of success
- result: interpolation result
%End
protected:
Result cacheBaseData( QgsFeedback *feedback = 0 );
%Docstring
Caches the vertex and value data from the provider. All the vertex data
will be held in virtual memory.
An optional ``feedback`` argument may be specified to allow cancellation and
progress reports from the cache operation.
:return: Success in case of success
%End
};
/************************************************************************
* This file has been generated automatically from *
* *
* src/analysis/interpolation/qgsinterpolator.h *
* *
* Do not edit manually ! Edit header and run scripts/sipify.pl again *
************************************************************************/
|
