QGIS API Documentation
3.10.0-A Coruña (6c816b4204)
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Represents a mesh renderer settings for vector datasets. More...
#include <qgsmeshrenderersettings.h>
Public Types | |
enum | ArrowScalingMethod { MinMax = 0, Scaled, Fixed } |
Algorithm how to transform vector magnitude to length of arrow on the device in pixels. More... | |
Public Member Functions | |
double | arrowHeadLengthRatio () const |
Returns ratio of the head length of the arrow (range 0-1) More... | |
double | arrowHeadWidthRatio () const |
Returns ratio of the head width of the arrow (range 0-1) More... | |
QColor | color () const |
Returns color used for drawing arrows. More... | |
double | filterMax () const |
Returns filter value for vector magnitudes. More... | |
double | filterMin () const |
Returns filter value for vector magnitudes. More... | |
double | fixedShaftLength () const |
Returns fixed arrow length (in millimeters) More... | |
bool | isOnUserDefinedGrid () const |
Returns whether vectors are drawn on user-defined grid. More... | |
double | lineWidth () const |
Returns line width of the arrow (in millimeters) More... | |
double | maxShaftLength () const |
Returns maximum shaft length (in millimeters) More... | |
double | minShaftLength () const |
Returns mininimum shaft length (in millimeters) More... | |
void | readXml (const QDomElement &elem) |
Reads configuration from the given DOM element. More... | |
double | scaleFactor () const |
Returns scale factor. More... | |
void | setArrowHeadLengthRatio (double arrowHeadLengthRatio) |
Sets ratio of the head length of the arrow (range 0-1) More... | |
void | setArrowHeadWidthRatio (double arrowHeadWidthRatio) |
Sets ratio of the head width of the arrow (range 0-1) More... | |
void | setColor (const QColor &color) |
Sets color used for drawing arrows. More... | |
void | setFilterMax (double filterMax) |
Sets filter value for vector magnitudes. More... | |
void | setFilterMin (double filterMin) |
Sets filter value for vector magnitudes. More... | |
void | setFixedShaftLength (double fixedShaftLength) |
Sets fixed length (in millimeters) More... | |
void | setLineWidth (double lineWidth) |
Sets line width of the arrow in pixels (in millimeters) More... | |
void | setMaxShaftLength (double maxShaftLength) |
Sets maximum shaft length (in millimeters) More... | |
void | setMinShaftLength (double minShaftLength) |
Sets mininimum shaft length (in millimeters) More... | |
void | setOnUserDefinedGrid (bool enabled) |
Toggles drawing of vectors on user defined grid. More... | |
void | setScaleFactor (double scaleFactor) |
Sets scale factor. More... | |
void | setShaftLengthMethod (ArrowScalingMethod shaftLengthMethod) |
Sets method used for drawing arrows. More... | |
void | setUserGridCellHeight (int height) |
Sets height of user grid cell (in pixels) More... | |
void | setUserGridCellWidth (int width) |
Sets width of user grid cell (in pixels) More... | |
QgsMeshRendererVectorSettings::ArrowScalingMethod | shaftLengthMethod () const |
Returns method used for drawing arrows. More... | |
int | userGridCellHeight () const |
Returns height in pixels of user grid cell. More... | |
int | userGridCellWidth () const |
Returns width in pixels of user grid cell. More... | |
QDomElement | writeXml (QDomDocument &doc) const |
Writes configuration to a new DOM element. More... | |
Represents a mesh renderer settings for vector datasets.
Definition at line 118 of file qgsmeshrenderersettings.h.
Algorithm how to transform vector magnitude to length of arrow on the device in pixels.
Enumerator | |
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MinMax | Scale vector magnitude linearly to fit in range of vectorFilterMin() and vectorFilterMax() |
Scaled | Scale vector magnitude by factor scaleFactor() |
Fixed | Use fixed length fixedShaftLength() regardless of vector's magnitude. |
Definition at line 123 of file qgsmeshrenderersettings.h.
double QgsMeshRendererVectorSettings::arrowHeadLengthRatio | ( | ) | const |
Returns ratio of the head length of the arrow (range 0-1)
Definition at line 216 of file qgsmeshrenderersettings.cpp.
double QgsMeshRendererVectorSettings::arrowHeadWidthRatio | ( | ) | const |
Returns ratio of the head width of the arrow (range 0-1)
Definition at line 206 of file qgsmeshrenderersettings.cpp.
QColor QgsMeshRendererVectorSettings::color | ( | ) | const |
Returns color used for drawing arrows.
Definition at line 126 of file qgsmeshrenderersettings.cpp.
double QgsMeshRendererVectorSettings::filterMax | ( | ) | const |
Returns filter value for vector magnitudes.
If magnitude of the vector is higher than this value, the vector is not drawn. -1 represents that filtering is not active.
Definition at line 146 of file qgsmeshrenderersettings.cpp.
double QgsMeshRendererVectorSettings::filterMin | ( | ) | const |
Returns filter value for vector magnitudes.
If magnitude of the vector is lower than this value, the vector is not drawn. -1 represents that filtering is not active.
Definition at line 136 of file qgsmeshrenderersettings.cpp.
double QgsMeshRendererVectorSettings::fixedShaftLength | ( | ) | const |
Returns fixed arrow length (in millimeters)
Only for QgsMeshRendererVectorSettings::ArrowScalingMethod::Fixed
Definition at line 196 of file qgsmeshrenderersettings.cpp.
bool QgsMeshRendererVectorSettings::isOnUserDefinedGrid | ( | ) | const |
Returns whether vectors are drawn on user-defined grid.
Definition at line 226 of file qgsmeshrenderersettings.cpp.
double QgsMeshRendererVectorSettings::lineWidth | ( | ) | const |
Returns line width of the arrow (in millimeters)
Definition at line 116 of file qgsmeshrenderersettings.cpp.
double QgsMeshRendererVectorSettings::maxShaftLength | ( | ) | const |
Returns maximum shaft length (in millimeters)
Only for QgsMeshRendererVectorSettings::ArrowScalingMethod::MinMax
Definition at line 176 of file qgsmeshrenderersettings.cpp.
double QgsMeshRendererVectorSettings::minShaftLength | ( | ) | const |
Returns mininimum shaft length (in millimeters)
Only for QgsMeshRendererVectorSettings::ArrowScalingMethod::MinMax
Definition at line 166 of file qgsmeshrenderersettings.cpp.
void QgsMeshRendererVectorSettings::readXml | ( | const QDomElement & | elem | ) |
Reads configuration from the given DOM element.
Definition at line 292 of file qgsmeshrenderersettings.cpp.
double QgsMeshRendererVectorSettings::scaleFactor | ( | ) | const |
Returns scale factor.
Only for QgsMeshRendererVectorSettings::ArrowScalingMethod::Scaled
Definition at line 186 of file qgsmeshrenderersettings.cpp.
void QgsMeshRendererVectorSettings::setArrowHeadLengthRatio | ( | double | arrowHeadLengthRatio | ) |
Sets ratio of the head length of the arrow (range 0-1)
Definition at line 221 of file qgsmeshrenderersettings.cpp.
void QgsMeshRendererVectorSettings::setArrowHeadWidthRatio | ( | double | arrowHeadWidthRatio | ) |
Sets ratio of the head width of the arrow (range 0-1)
Definition at line 211 of file qgsmeshrenderersettings.cpp.
void QgsMeshRendererVectorSettings::setColor | ( | const QColor & | color | ) |
Sets color used for drawing arrows.
Definition at line 131 of file qgsmeshrenderersettings.cpp.
void QgsMeshRendererVectorSettings::setFilterMax | ( | double | filterMax | ) |
Sets filter value for vector magnitudes.
Definition at line 151 of file qgsmeshrenderersettings.cpp.
void QgsMeshRendererVectorSettings::setFilterMin | ( | double | filterMin | ) |
Sets filter value for vector magnitudes.
Definition at line 141 of file qgsmeshrenderersettings.cpp.
void QgsMeshRendererVectorSettings::setFixedShaftLength | ( | double | fixedShaftLength | ) |
Sets fixed length (in millimeters)
Only for QgsMeshRendererVectorSettings::ArrowScalingMethod::Fixed
Definition at line 201 of file qgsmeshrenderersettings.cpp.
void QgsMeshRendererVectorSettings::setLineWidth | ( | double | lineWidth | ) |
Sets line width of the arrow in pixels (in millimeters)
Definition at line 121 of file qgsmeshrenderersettings.cpp.
void QgsMeshRendererVectorSettings::setMaxShaftLength | ( | double | maxShaftLength | ) |
Sets maximum shaft length (in millimeters)
Only for QgsMeshRendererVectorSettings::ArrowScalingMethod::MinMax
Definition at line 181 of file qgsmeshrenderersettings.cpp.
void QgsMeshRendererVectorSettings::setMinShaftLength | ( | double | minShaftLength | ) |
Sets mininimum shaft length (in millimeters)
Only for QgsMeshRendererVectorSettings::ArrowScalingMethod::MinMax
Definition at line 171 of file qgsmeshrenderersettings.cpp.
void QgsMeshRendererVectorSettings::setOnUserDefinedGrid | ( | bool | enabled | ) |
Toggles drawing of vectors on user defined grid.
Definition at line 231 of file qgsmeshrenderersettings.cpp.
void QgsMeshRendererVectorSettings::setScaleFactor | ( | double | scaleFactor | ) |
Sets scale factor.
Only for QgsMeshRendererVectorSettings::ArrowScalingMethod::Scaled
Definition at line 191 of file qgsmeshrenderersettings.cpp.
void QgsMeshRendererVectorSettings::setShaftLengthMethod | ( | QgsMeshRendererVectorSettings::ArrowScalingMethod | shaftLengthMethod | ) |
Sets method used for drawing arrows.
Definition at line 161 of file qgsmeshrenderersettings.cpp.
void QgsMeshRendererVectorSettings::setUserGridCellHeight | ( | int | height | ) |
Sets height of user grid cell (in pixels)
Definition at line 251 of file qgsmeshrenderersettings.cpp.
void QgsMeshRendererVectorSettings::setUserGridCellWidth | ( | int | width | ) |
Sets width of user grid cell (in pixels)
Definition at line 241 of file qgsmeshrenderersettings.cpp.
QgsMeshRendererVectorSettings::ArrowScalingMethod QgsMeshRendererVectorSettings::shaftLengthMethod | ( | ) | const |
Returns method used for drawing arrows.
Definition at line 156 of file qgsmeshrenderersettings.cpp.
int QgsMeshRendererVectorSettings::userGridCellHeight | ( | ) | const |
Returns height in pixels of user grid cell.
Definition at line 246 of file qgsmeshrenderersettings.cpp.
int QgsMeshRendererVectorSettings::userGridCellWidth | ( | ) | const |
Returns width in pixels of user grid cell.
Definition at line 236 of file qgsmeshrenderersettings.cpp.
QDomElement QgsMeshRendererVectorSettings::writeXml | ( | QDomDocument & | doc | ) | const |
Writes configuration to a new DOM element.
Definition at line 256 of file qgsmeshrenderersettings.cpp.