mirror of
https://github.com/qgis/QGIS.git
synced 2025-02-25 00:58:06 -05:00
65 lines
2.3 KiB
Plaintext
65 lines
2.3 KiB
Plaintext
|
|
class QgsTolerance
|
|
{
|
|
%TypeHeaderCode
|
|
#include <qgstolerance.h>
|
|
%End
|
|
|
|
public:
|
|
/** Type of unit of tolerance value from settings.
|
|
* For map (project) units, use ProjectUnits. */
|
|
enum UnitType
|
|
{
|
|
/** Layer unit value */
|
|
LayerUnits,
|
|
/** Pixels unit of tolerance*/
|
|
Pixels,
|
|
/** Map (project) units. Added in 2.8 */
|
|
ProjectUnits
|
|
};
|
|
|
|
/**
|
|
* Static function to get vertex tolerance value.
|
|
* The value is read from settings and transformed if necessary.
|
|
* @return value of vertex tolerance in map units (not layer units)
|
|
* @note added in 2.8
|
|
*/
|
|
static double vertexSearchRadius( const QgsMapSettings& mapSettings );
|
|
|
|
/**
|
|
* Static function to get vertex tolerance value for a layer.
|
|
* The value is read from settings and transformed if necessary.
|
|
* @return value of vertex tolerance in layer units
|
|
*/
|
|
static double vertexSearchRadius( QgsMapLayer* layer, const QgsMapSettings& mapSettings );
|
|
|
|
/**
|
|
* Static function to get default tolerance value for a layer.
|
|
* The value is read from settings and transformed if necessary.
|
|
* @return value of default tolerance in layer units
|
|
*/
|
|
static double defaultTolerance( QgsMapLayer* layer, const QgsMapSettings& mapSettings );
|
|
|
|
/**
|
|
* Static function to translate tolerance value into map units
|
|
* @param tolerance tolerance value to be translated
|
|
* @param layer source layer necessary in case tolerance is in layer units
|
|
* @param mapSettings settings of the map
|
|
* @param units type of units to be translated
|
|
* @return value of tolerance in map units
|
|
* @note added in 2.8
|
|
*/
|
|
static double toleranceInProjectUnits( double tolerance, QgsMapLayer* layer, const QgsMapSettings& mapSettings, QgsTolerance::UnitType units );
|
|
|
|
/**
|
|
* Static function to translate tolerance value into layer units
|
|
* @param tolerance tolerance value to be translated
|
|
* @param layer reference layer
|
|
* @param mapSettings settings of the map
|
|
* @param units type of units to be translated
|
|
* @return value of tolerance in layer units
|
|
*/
|
|
static double toleranceInMapUnits( double tolerance, QgsMapLayer* layer, const QgsMapSettings& mapSettings, UnitType units = LayerUnits );
|
|
|
|
};
|