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Showing content from http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/regular__grid_8cpp_source.html below:

NCBI C++ ToolKit: src/gui/graph/regular_grid.cpp Source File

41 #define DEF_MIN_CELL_SIZE 30 42 #define DEF_MAX_CELL_SIZE 75 55

m_MinusOneBasedX(

false

),

56

m_MinusOneBasedY(

false

),

57

m_AutoStepUpdate(

true

),

59

m_Start(0.0), m_Finish(0.0),

106  if

(bInteger &&

m_Step

< 1.0)

133  double

Range = MaxV - MinV;

134  double

logRange =

log10

(Range);

135

logRange = ceil(logRange) - 1;

136  double

Step = pow(10.0, logRange);

139  double

BaseStep = Step;

140  double

nTicks = Range / BaseStep;

145

nTicks = Range / BaseStep;

154

V = floor(V / Step) * Step;

158

V = ceil(V / Step) * Step;

168  if

((BaseStep >= MinStep && BaseStep <= MaxStep) || (MinStep == MaxStep))

172  double

Power =

log10

(BaseStep);

173  double P

= ceil(Power) -1;

174  double

pow10P = pow(10.0,

P

);

175  double M

= BaseStep / pow10P;

181  int

oldK = 1, K = 1, Index = 0;

183  if

(BaseStep < MinStep)

185  double

minK = MinStep / pow10P;

191

K = oldK = oldK * 10;

195

BaseStep = pow10P * K;

196

}

else if

(BaseStep > MaxStep) {

198  double

maxK = pow10P / MaxStep;

204

K = oldK = oldK * 10;

208

BaseStep = pow10P / K;

215

: m_bCentering(

false

),

216

m_HorzColor(0.8f, 0.8f, 0.8f),

217

m_VertColor(0.8f, 0.8f, 0.8f),

218

m_ShowHorzGrid(

true

),

219

m_ShowVertGrid(

true

)

238  double

vpBottom = rcVP.

Bottom

();

239  double

vpTop = rcVP.

Top

();

240  double

vpLeft = rcVP.

Left

();

241  double

vpRight = rcVP.

Right

();

250

gl.

Begin

(GL_LINES);

254  int

vpX = pGraphPane->

ProjectX

(X);

255  if

(vpX >= vpLeft && vpX <= vpRight) {

266

gl.

Begin

(GL_LINES);

270  int

vpY = pGraphPane->

ProjectY

(Y);

271  if

(vpY >= vpBottom && vpY <= vpTop) {

#define ITERATE(Type, Var, Cont)

ITERATE macro to sequence through container elements.

void Render(CGlPane *pAreaPane, CGlPane *pPane, CRegularGridGen *pGenerator) const

bool m_AutoStepUpdate

Automatic step generation.

static void RoundRangeToStep(double &Start, double &Finish, double Step)

static double SelectScreenStep(double BaseStep, double MinStep, double MaxStep)

static double SelectBaseStep(double MinV, double MaxV)

void GenerateGrid(CGlPane *pPane, bool bHorz)

iteration interface.

virtual ~CRegularGridGen()

static const int ms_StepK[]

bool m_bHorz

Generation context.

virtual void Begin(GLenum mode)=0

Start rendering.

TModelUnit UnProjectWidth(TVPUnit vp_w) const

TVPUnit ProjectX(TModelUnit m_x) const

IRender & GetGl()

convenience function for getting current render manager

void Vertex2d(GLdouble x, GLdouble y)

TVPRect & GetViewport(void)

TVPUnit ProjectY(TModelUnit m_y) const

virtual void End()=0

Finish rendering (create buffer and send to renderer)

TModelUnit UnProjectHeight(TVPUnit vp_h) const

TModelRect & GetVisibleRect(void)

virtual void LineWidth(GLfloat w)=0

Set line width for drawing: glLineWidth()

virtual void ColorC(const CRgbaColor &c)=0

Set current color (glColor{3,4}{f,d}{v,})

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

#define DEF_MAX_CELL_SIZE

#define DEF_MIN_CELL_SIZE

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