QuantizedMeshTiler Class Reference

Tiler of a terrain generating quantized-mesh tiles. More...

#include <quantized_mesh_tiler.h>

Inheritance diagram for QuantizedMeshTiler:

Classes
struct	QMTOptions

Public Member Functions
	QuantizedMeshTiler (GDALDataset *dataset, const ctb::Grid &grid, const ctb::TilerOptions &tilerOptions, const QMTOptions &options, const TinCreation::TinCreator &tinCreator)
	Constructor: instantiates a tiler with all required arguments.
	QuantizedMeshTiler (const QuantizedMeshTiler &tiler)
	A copy constructor that does not try to copy the mutex (needed because mutex are non-copyable)
QuantizedMeshTile	createTile (const ctb::TileCoordinate &coord, BordersData &bd)
	Create the quantized mesh tile. More...
QMTOptions	getOptions ()
	Get the creation options for this tiler (QMTOptions structure) More...
void	setTinCreatorParamsForZoom (const unsigned int &zoom)
std::vector< Point_3 >	getUVHPointsFromRaster (const ctb::TileCoordinate &coord, BordersData &bd, float &minHeight, float &maxHeight, ctb::CRSBounds &tileBounds) const
	Get the heightmap values from the GDAL raster in normalized coordinates. More...

Detailed Description

Tiler of a terrain generating quantized-mesh tiles.

Member Function Documentation

createTile()

QuantizedMeshTile QuantizedMeshTiler::createTile	(	const ctb::TileCoordinate &	coord,
		BordersData &	bd
	)

Create the quantized mesh tile.

Create the quantized-mesh tile given the raster enclosed by the coordinates coord and the vertices to maintain from previous tiles The original full resolution regular grid extracted from the rasters is decimated to obrain a Triangulated Irregular Network (TIN)

Note: the parameters tileEastVertices and tileNorthVertices represent the vertices to maintain from the neighboring tiles on input, but after the function they are output parameters containing the eastern/northen vertices to maintain for the CURRENT tile Take into account that their 3D coordinates represent (u,v), in tile coordinates [0..QuantizedMesh::MAX_VERTEX_DATA], and height, where this height is the raster-extracted height in meters.

Parameters

coord	TileCoordinate.
bd	Data to preserve for the borders.

Returns

The quantized mesh tile.

getOptions()

QMTOptions QuantizedMeshTiler::getOptions ( )

inline

Get the creation options for this tiler (QMTOptions structure)

Returns

QMTOptions structure

getUVHPointsFromRaster()

std::vector< TinCreation::Point_3 > QuantizedMeshTiler::getUVHPointsFromRaster	(	const ctb::TileCoordinate &	coord,
		BordersData &	bd,
		float &	minHeight,
		float &	maxHeight,
		ctb::CRSBounds &	tileBounds
	)		const

Get the heightmap values from the GDAL raster in normalized coordinates.

Parameters

	coord	The coordinates of the tile
	bd	Data falling in the borders of the tile. Note: this is not const because border vertices are input as tile coordinates, but are output in uvh coordinates
[out]	minHeight	Min height on the tile from raster
[out]	maxHeight	Max height on the tile from raster
[out]	tileBounds	Output variable containing the tile bounds

Returns

Vector of points in the heightmap

setTinCreatorParamsForZoom()

void QuantizedMeshTiler::setTinCreatorParamsForZoom ( const unsigned int &  zoom )

inline

Sets the TIN creator parameter related with the current zoom level.

Parameters

zoom	The zoom level

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

• /mnt/Raid1Ext/EMODNET/Code/src/base/quantized_mesh_tiler.h
• /mnt/Raid1Ext/EMODNET/Code/src/base/quantized_mesh_tiler.cpp