protractor Class Reference

A protractor is a measuring tool. More...

#include <protractor.h>

Inheritance diagram for protractor:

Collaboration diagram for protractor:

List of all members.

Public Member Functions
	protractor (doublec _radius)
	The protractors great circle is defined by the radius.
void	addCircles (uintc n)
void	addAxes (uintc n)
void	addCirclesText (vector< string > const &v)
void	addRadiusRuler (doublec ticklenmajor, doublec ticklenmiddle, doublec ticklenminor)
void	addAngleRuler (doublec ticklenmajor, doublec ticklenmiddle, doublec ticklenminor)
Static Public Member Functions
static void	converttocartesian (point2< double > &p, point2< double > const &p2)
	Convert a vector of 2D points from polar to cartesian.
Public Attributes
double	radius
	The radius controls the protractors size.

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Detailed Description

A protractor is a measuring tool.

This draws the protractor allowing the client to configure the size, rulers and labels.

Definition at line 18 of file protractor.h.

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Constructor & Destructor Documentation

protractor::protractor

(

doublec

_radius

)

The protractors great circle is defined by the radius.

Definition at line 69 of file protractor.cpp.

  : gobjContainer(true), radius(_radius)
{
}

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Member Function Documentation

void protractor::addAngleRuler	(	doublec	ticklenmajor,
		doublec	ticklenmiddle,
		doublec	ticklenminor
	)

Definition at line 15 of file protractor.cpp.

References ruler::addAngleRuler(), and r.

Referenced by plotpolartest::test01().

{
  ruler * r = new ruler();
  r->addAngleRuler
  (
    radius,
    0.0,
    360.0,
    ticklenmajor,
    ticklenmiddle,
    ticklenminor    
  );

  push(r);    
}

void protractor::addAxes

(

uintc

n

)

Definition at line 139 of file protractor.cpp.

References converttocartesian(), gobjContainer::gobjContainer(), gobjContainer::push(), and radius.

Referenced by plotpolartest::test01().

{
  double dt = PI * 2.0 / n;

  gobjContainer * c = new gobjContainer();

  point2<double> x0;

  c->push( new gobjglPushAttrib(GL_CURRENT_BIT) );
  c->push( new gobjglPushAttrib(GL_LIGHTING_BIT) );
  c->push( new gobjglDisable(GL_LIGHTING) );

  c->push( new gobjglColor3ub(155,0,0) );

  c->push( new gobjglBegin(GL_LINES) );
  for (uint i=0; i<n; ++i)
  {
    point2<double> x1(radius,dt*i);
    converttocartesian(x0,x1);
    c->push( new gobjglVertex2f(x0) );
    c->push( new gobjglVertex2f(0.0,0.0) );
  }
  c->push(new gobjglEnd());

  c->push( new gobjglPopAttrib() );
  c->push( new gobjglPopAttrib() );

  push(c);
}

void protractor::addCircles

(

uintc

n

)

Definition at line 109 of file protractor.cpp.

References gobjContainer::gobjContainer(), gobjContainer::push(), and radius.

Referenced by plotpolartest::test01().

{
  gobjContainer * c = new gobjContainer();

  gobjMyCircle * cir = new gobjMyCircle();
  c->push(cir);

  c->push( new gobjglPushAttrib(GL_CURRENT_BIT) );
  c->push( new gobjglPushAttrib(GL_LIGHTING_BIT) );
  c->push( new gobjglDisable(GL_LIGHTING) );

  c->push( new gobjglColor3ub(192,192,192) );


  double dr = radius / n;

  gobjMyCircleDraw * cird;

  for (uint i=0; i<n; ++i)
  {
    cird = new gobjMyCircleDraw( dr * (i+1), point3<float>(), *cir );
    c->push(cird);
  }

  c->push( new gobjglPopAttrib() );
  c->push( new gobjglPopAttrib() );

  push(c);
}

void protractor::addCirclesText

(

vector< string > const &

v

)

Definition at line 75 of file protractor.cpp.

References gobjContainer::push(), point2< T >::x, and point2< T >::y.

Referenced by plotpolartest::test01().

{
  uintc n = v.size();

  gobjContainer * c = new gobjContainer();

  double dt = PI * 2.0 / n;

  point2<double> x0;

  c->push( new gobjglPushAttrib(GL_CURRENT_BIT) );
  c->push( new gobjglPushAttrib(GL_LIGHTING_BIT) );
  c->push( new gobjglDisable(GL_LIGHTING) );

  c->push( new gobjglColor3ub(0,192,130) );

  for (uint i=0; i<n; ++i)
  {
    point2<double> x1(radius,dt*i);
    converttocartesian(x0,x1);

    c->push( new gobjMyBitmapCharacter(v[i], point3<float>(x0.x,x0.y,0.0)) );
  }

  c->push( new gobjglPopAttrib() );
  c->push( new gobjglPopAttrib() );

  push(c);
}

void protractor::addRadiusRuler	(	doublec	ticklenmajor,
		doublec	ticklenmiddle,
		doublec	ticklenminor
	)

Definition at line 37 of file protractor.cpp.

References ruler::addStraightRuler(), and r.

Referenced by plotpolartest::test01().

{
  ruler * r = new ruler();
  
  r->addStraightRuler
  (
    radius,
    point2<double>(0.0,0.0),
    point2<double>(radius,0.0),
    ticklenmajor,
    ticklenmiddle,
    ticklenminor    
  );

  push(r);
}

void protractor::converttocartesian	(	point2< double > &	p,
		point2< double > const &	p2
	)			[static]

Convert a vector of 2D points from polar to cartesian.

Definition at line 60 of file protractor.cpp.

References point2< T >::x, and point2< T >::y.

Referenced by addAxes().

{
  p.x = p2.x*cos(p2.y);
  p.y = p2.x*sin(p2.y);
}

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Member Data Documentation

double protractor::radius

The radius controls the protractors size.

Definition at line 23 of file protractor.h.

Referenced by addAxes(), and addCircles().

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The documentation for this class was generated from the following files:

• plotpolar/protractor.h
• plotpolar/protractor.cpp