QGIS API Documentation
2.2.0-Valmiera
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A raster color shader that highlighs low values in blue and high values in red. More...
#include <qgspseudocolorshader.h>
Public Member Functions | |
QgsPseudoColorShader (double theMinimumValue=0.0, double theMaximumValue=255.0) | |
bool | shade (double, int *, int *, int *) |
generates and new RGB value based on one input value | |
bool | shade (double, double, double, int *, int *, int *) |
generates and new RGB value based on original RGB value | |
void | setMaximumValue (double) |
Set the maximum value. | |
void | setMinimumValue (double) |
Return the minimum value. | |
double | classBreakMin1 () const |
double | classBreakMax1 () const |
double | classBreakMin2 () const |
double | classBreakMax2 () const |
double | classBreakMin3 () const |
Public Member Functions inherited from QgsRasterShaderFunction | |
QgsRasterShaderFunction (double theMinimumValue=0.0, double theMaximumValue=255.0) | |
virtual | ~QgsRasterShaderFunction () |
virtual bool | shade (double, int *, int *, int *, int *) |
generates and new RGBA value based on one input value | |
virtual bool | shade (double, double, double, double, int *, int *, int *, int *) |
generates and new RGBA value based on original RGBA value | |
double | minimumMaximumRange () const |
double | minimumValue () const |
double | maximumValue () const |
virtual void | legendSymbologyItems (QList< QPair< QString, QColor > > &symbolItems) const |
Private Member Functions | |
void | setClassBreaks () |
Private Attributes | |
double | mBreakSize |
double | mClassBreakMin1 |
double | mClassBreakMax1 |
double | mClassBreakMin2 |
double | mClassBreakMax2 |
double | mClassBreakMin3 |
Additional Inherited Members | |
Protected Attributes inherited from QgsRasterShaderFunction | |
double | mMaximumValue |
User defineable maximum value for the shading function. | |
double | mMinimumValue |
User defineable minimum value for the shading function. | |
double | mMinimumMaximumRange |
Minimum maximum range for the shading function. |
A raster color shader that highlighs low values in blue and high values in red.
Definition at line 29 of file qgspseudocolorshader.h.
QgsPseudoColorShader::QgsPseudoColorShader | ( | double | theMinimumValue = 0.0 , |
double | theMaximumValue = 255.0 |
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Definition at line 25 of file qgspseudocolorshader.cpp.
References setClassBreaks().
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Definition at line 48 of file qgspseudocolorshader.h.
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Definition at line 50 of file qgspseudocolorshader.h.
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Definition at line 47 of file qgspseudocolorshader.h.
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Definition at line 49 of file qgspseudocolorshader.h.
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Definition at line 51 of file qgspseudocolorshader.h.
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Definition at line 84 of file qgspseudocolorshader.cpp.
References mBreakSize, mClassBreakMax1, mClassBreakMax2, mClassBreakMin1, mClassBreakMin2, mClassBreakMin3, QgsRasterShaderFunction::mMinimumMaximumRange, and QgsRasterShaderFunction::mMinimumValue.
Referenced by QgsPseudoColorShader(), setMaximumValue(), and setMinimumValue().
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virtual |
Set the maximum value.
Set the maximum value for the raster shader.
theValue | The new maximum value |
Reimplemented from QgsRasterShaderFunction.
Definition at line 100 of file qgspseudocolorshader.cpp.
References QgsRasterShaderFunction::mMaximumValue, QgsRasterShaderFunction::mMinimumMaximumRange, QgsRasterShaderFunction::mMinimumValue, and setClassBreaks().
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Return the minimum value.
Set the maximum value for the raster shader.
theValue | The new minimum value |
Reimplemented from QgsRasterShaderFunction.
Definition at line 112 of file qgspseudocolorshader.cpp.
References QgsRasterShaderFunction::mMaximumValue, QgsRasterShaderFunction::mMinimumMaximumRange, QgsRasterShaderFunction::mMinimumValue, and setClassBreaks().
bool QgsPseudoColorShader::shade | ( | double | theValue, |
int * | theReturnRedValue, | ||
int * | theReturnGreenValue, | ||
int * | theReturnBlueValue | ||
) |
generates and new RGB value based on one input value
Definition at line 31 of file qgspseudocolorshader.cpp.
References mClassBreakMax1, mClassBreakMax2, mClassBreakMin1, mClassBreakMin2, mClassBreakMin3, QgsRasterShaderFunction::mMaximumValue, QgsRasterShaderFunction::mMinimumMaximumRange, and QgsRasterShaderFunction::mMinimumValue.
bool QgsPseudoColorShader::shade | ( | double | theRedValue, |
double | theGreenValue, | ||
double | theBlueValue, | ||
int * | theReturnRedValue, | ||
int * | theReturnGreenValue, | ||
int * | theReturnBlueValue | ||
) |
generates and new RGB value based on original RGB value
Definition at line 71 of file qgspseudocolorshader.cpp.
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Definition at line 56 of file qgspseudocolorshader.h.
Referenced by setClassBreaks().
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Definition at line 58 of file qgspseudocolorshader.h.
Referenced by setClassBreaks(), and shade().
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private |
Definition at line 60 of file qgspseudocolorshader.h.
Referenced by setClassBreaks(), and shade().
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Definition at line 57 of file qgspseudocolorshader.h.
Referenced by setClassBreaks(), and shade().
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Definition at line 59 of file qgspseudocolorshader.h.
Referenced by setClassBreaks(), and shade().
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Definition at line 61 of file qgspseudocolorshader.h.
Referenced by setClassBreaks(), and shade().