QGIS API Documentation 3.40.0-Bratislava (b56115d8743)
|
Defines a matrix of tiles for a single zoom level: it is defined by its size (width *. More...
#include <qgstiles.h>
Public Member Functions | |
QgsCoordinateReferenceSystem | crs () const |
Returns the crs of the tile matrix. | |
QgsRectangle | extent () const |
Returns extent of the tile matrix. | |
bool | isRootTileMatrix () const |
Returns the root status of the tile matrix (zoom level == 0) | |
QPointF | mapToTileCoordinates (const QgsPointXY &mapPoint) const |
Returns row/column coordinates (floating point number) from the given point in map coordinates. | |
int | matrixHeight () const |
Returns number of rows of the tile matrix. | |
int | matrixWidth () const |
Returns number of columns of the tile matrix. | |
double | scale () const |
Returns scale denominator of the tile matrix. | |
void | setCrs (const QgsCoordinateReferenceSystem &crs) |
Sets the crs of the tile matrix. | |
void | setScale (double scale) |
Sets the scale denominator of the tile matrix. | |
void | setZoomLevel (int level) |
Sets the zoom level of the tile matrix. | |
QgsPointXY | tileCenter (QgsTileXYZ id) const |
Returns center of the given tile in this matrix. | |
QgsRectangle | tileExtent (QgsTileXYZ id) const |
Returns extent of the given tile in this matrix. | |
QgsTileRange | tileRangeFromExtent (const QgsRectangle &mExtent) const |
Returns tile range that fully covers the given extent. | |
int | zoomLevel () const |
Returns the zoom level of the tile matrix. | |
Static Public Member Functions | |
static QgsTileMatrix | fromCustomDef (int zoomLevel, const QgsCoordinateReferenceSystem &crs, const QgsPointXY &z0TopLeftPoint, double z0Dimension, int z0MatrixWidth=1, int z0MatrixHeight=1) |
Returns a tile matrix for a specific CRS, top left point, zoom level 0 dimension in CRS units. | |
static QgsTileMatrix | fromTileMatrix (int zoomLevel, const QgsTileMatrix &tileMatrix) |
Returns a tile matrix based on another one. | |
static QgsTileMatrix | fromWebMercator (int zoomLevel) |
Returns a tile matrix for the usual web mercator. | |
Friends | |
class | QgsTileMatrixSet |
Defines a matrix of tiles for a single zoom level: it is defined by its size (width *.
height) and map extent that it covers.
Please note that we follow the XYZ convention of X/Y axes, i.e. top-left tile has [0,0] coordinate (which is different from TMS convention where bottom-left tile has [0,0] coordinate).
Definition at line 135 of file qgstiles.h.
|
inline |
|
inline |
Returns extent of the tile matrix.
Definition at line 191 of file qgstiles.h.
|
static |
Returns a tile matrix for a specific CRS, top left point, zoom level 0 dimension in CRS units.
The z0Dimension argument must specify the dimension (width or height, in map units) of the root tiles in zoom level 0.
Definition at line 31 of file qgstiles.cpp.
|
static |
Returns a tile matrix based on another one.
Definition at line 61 of file qgstiles.cpp.
|
static |
Returns a tile matrix for the usual web mercator.
Definition at line 23 of file qgstiles.cpp.
|
inline |
Returns the root status of the tile matrix (zoom level == 0)
Definition at line 221 of file qgstiles.h.
QPointF QgsTileMatrix::mapToTileCoordinates | ( | const QgsPointXY & | mapPoint | ) | const |
Returns row/column coordinates (floating point number) from the given point in map coordinates.
Definition at line 121 of file qgstiles.cpp.
|
inline |
Returns number of rows of the tile matrix.
Definition at line 188 of file qgstiles.h.
|
inline |
Returns number of columns of the tile matrix.
Definition at line 185 of file qgstiles.h.
|
inline |
Returns scale denominator of the tile matrix.
Definition at line 198 of file qgstiles.h.
|
inline |
Sets the crs of the tile matrix.
Definition at line 167 of file qgstiles.h.
|
inline |
Sets the scale denominator of the tile matrix.
Definition at line 206 of file qgstiles.h.
|
inline |
Sets the zoom level of the tile matrix.
Definition at line 182 of file qgstiles.h.
QgsPointXY QgsTileMatrix::tileCenter | ( | QgsTileXYZ | id | ) | const |
Returns center of the given tile in this matrix.
Definition at line 90 of file qgstiles.cpp.
QgsRectangle QgsTileMatrix::tileExtent | ( | QgsTileXYZ | id | ) | const |
Returns extent of the given tile in this matrix.
Definition at line 81 of file qgstiles.cpp.
QgsTileRange QgsTileMatrix::tileRangeFromExtent | ( | const QgsRectangle & | mExtent | ) | const |
Returns tile range that fully covers the given extent.
Definition at line 97 of file qgstiles.cpp.
|
inline |
Returns the zoom level of the tile matrix.
Definition at line 174 of file qgstiles.h.
|
friend |
Definition at line 241 of file qgstiles.h.