/usr/include/tulip/GlQuantitativeAxis.h is in libtulip-ogl-dev 3.1.2-2.3ubuntu3.
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/**
Authors: David Auber, Patrick Mary, Morgan Mathiaut
from the LaBRI Visualization Team
Email : auber@tulip-software.org
Last modification : 13/03/2009
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
*/
/*
* GlQuantitativeAxis.h
*
* Created on: 5 févr. 2009
* Author: antoine
*/
#ifndef GLQUANTITATIVEAXIS_H_
#define GLQUANTITATIVEAXIS_H_
#include "GlAxis.h"
namespace tlp {
/**
* \brief A class to render an axis graduated with numerical values for a given range
*
* This class allows to draw a quantitative axis (i.e. an axis axis graduated with numerical values for a given range)
*/
class TLP_GL_SCOPE GlQuantitativeAxis : public GlAxis {
public :
/**
* GlQuantitativeAxis constructor. Create an quantitative axis without graduations (need to call setAxisParameters to build them)
*
* \param axisName the name of the axis
* \axisBaseCoord the base coord of the axis (if the axis is horizontal, it is the the left end, if vertical it is the down end)
* \axisLength the length of the axis
* \axisOrientation the orientation of the axis, 2 possible values (HORIZONTAL_AXIS or VERTICAL_AXIS)
* \axisColor the color of the axis
* \addArrow If true, an arrow will be added to one end of the axis according to the axis order (ascending or descending)
* \ascendingOrder If true, the min value will be at the bottom end and the max will be at the top end if the axis is vertical (min at the left and max at the right if it is horizontal). If false this positions are switched
*/
GlQuantitativeAxis(const std::string &axisName, const Coord &axisBaseCoord, const float axisLength,
const AxisOrientation &axisOrientation, const Color &axisColor,
const bool addArrow = true, const bool ascendingOrder = true);
/**
* Method to set the quantitative axis parameters. A call to updateAxis has to be done after calling this method to build or update the axis graduations
*
* \param min the min value of the range the axis represents
* \param max the max value of the range the axis represents
* \param nbGraduations the number of graduations to build
* \param axisGradsLabelsPosition the relative position of the axis graduations label. Two possible values : LEFT_OR_BELOW (if the axis is vertical, labels will be on the left of the axis, otherwise below) or RIGHT_OR_ABOVE
* \param drawFirstLabel If false, the first graduation label will not be drawn (usefull when some axis have the same base coord to avoid labels overlapping)
*/
void setAxisParameters(const double min, const double max, const unsigned int nbGraduations,
const LabelPosition &axisGradsLabelsPosition = LEFT_OR_BELOW, const bool drawFirstLabel = true);
void setAxisParameters(const int min, const int max, const unsigned int incrementStep,
const LabelPosition &axisGradsLabelsPosition = LEFT_OR_BELOW, const bool drawFirstLabel = true);
/**
* Method to set a logarithmic scale on the axis. A call to updateAxis has to be done after calling this method to build or update the axis graduations
*
* \param logScale If true, activate the logarithmic scale on the axis
* \param logBase If filled, set the logarithm base
*/
void setLogScale(const bool logScale, const unsigned int logBase = 10);
/**
* Method to set the order of the values on the axis (ascending or descending). A call to updateAxis has to be done after calling this method to build or update the axis graduations
*/
void setAscendingOrder(const bool ascendingOrder) {this->ascendingOrder = ascendingOrder;}
/**
* Method to update the axis drawing. It has to be called when one (or more) of the setters method above has been used.
* This method redraw the whole axis and the graduations.
*/
void updateAxis();
/**
* Method to get the axis point coordinates for a given value
*
* \param value the value we want to retrieve axis point coordinates
*/
Coord getAxisPointCoordForValue(double value) const;
/**
* Method to get the value associated to an axis point
*
* \param axisPointCoord the axis point coordinates we want to retrieve associated value
*/
double getValueForAxisPoint(const Coord &axisPointCoord);
/**
* Method to get the order of the values on the axis (ascending or descending)
*/
bool hasAscendingOrder() const {return ascendingOrder;}
private :
void buildAxisGraduations();
void addArrowDrawing();
double min, max, scale;
double minLog, maxLog;
unsigned int nbGraduations;
LabelPosition axisGradsLabelsPosition;
bool drawFistLabel;
bool ascendingOrder;
bool addArrow;
Coord captionCenterCoord;
bool logScale;
unsigned int logBase;
bool integerScale;
unsigned int incrementStep;
bool minMaxSet;
};
}
#endif /* GLQUANTITATIVEAXIS_H_ */
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