void CMyHistorgram::DrawLine(vector<CPoint> pointList, int lineStyle, int lineWidth, COLOR color)
{
CPen newPen;
newPen.CreatePen(lineStyle, lineWidth, color);
m_pDC->SelectObject(&newPen);
CPoint point;
int mode;
if (pointList.size())
{
point.x = (pointList[0].x - xMinValue) / xUnit;
point.y = m_rect.bottom - (pointList[0].y - yMinValue) / yUnit;
m_pDC->MoveTo(point);
mode = pointList[0].y;
m_modeIndex = pointList[0].x;
}
for (int i = 1; i < pointList.size(); i++)
{
point.x = (pointList[i].x - xMinValue) / xUnit;
point.y = m_rect.bottom - (pointList[i].y - yMinValue) / yUnit;
m_pDC->LineTo(point);
if (pointList[i].y>mode)
{
mode = pointList[i].y;
m_modeIndex = pointList[i].x;
}
}
if (m_bShowEXDX)
{
if (pointList.size())
{
//m_pDC->MoveTo((m_modeIndex - xMinValue) / xUnit, m_rect.bottom);
//m_pDC->LineTo((m_modeIndex - xMinValue) / xUnit, m_rect.top);
m_meanValue = GetMeanValue(pointList);
m_variance = GetVariance(pointList, m_meanValue);
CFont font;
font.CreatePointFont(160, _T("宋体"));
CFont*def_font = m_pDC->SelectObject(&font); //选择该字体进入PDC
CString tempStr;
tempStr.Format(_T("EX = %.2f"), m_meanValue);
m_pDC->TextOut(m_rect.left + 40, m_rect.top + 20, tempStr);
tempStr.Format(_T("DX = %.2f"), m_variance);
m_pDC->TextOut(m_rect.left + 40, m_rect.top + 60, tempStr);
m_pDC->SelectObject(def_font);//恢复PDC的缺省字体
font.DeleteObject();//释放font对象
}
}
}
void MgFeatureNumericFunctions::CalculateDistribution(VECTOR& values, VECTOR& distValues)
{
STRING funcName;
int numCats;
double dataMin, dataMax;
INT32 funcCode = -1;
// Get the arguments from the FdoFunction
STRING propertyName;
bool supported = MgServerFeatureUtil::FindCustomFunction(m_customFunction, funcCode);
if (supported)
{
switch(funcCode)
{
case EQUAL_CATEGORY: // Equal Category
{
MgServerFeatureUtil::GetArguments(m_customFunction, propertyName, numCats, dataMin, dataMax, m_type);
GetEqualCategories(values, numCats, dataMin, dataMax, distValues);
break;
}
case STDEV_CATEGORY: // StdDev Category
{
MgServerFeatureUtil::GetArguments(m_customFunction, propertyName, numCats, dataMin, dataMax, m_type);
GetStandardDeviationCategories(values, numCats, dataMin, dataMax, distValues);
break;
}
case QUANTILE_CATEGORY: // Quantile Category
{
MgServerFeatureUtil::GetArguments(m_customFunction, propertyName, numCats, dataMin, dataMax, m_type);
GetQuantileCategories(values, numCats, dataMin, dataMax, distValues);
break;
}
case JENK_CATEGORY: // Jenk Category
{
MgServerFeatureUtil::GetArguments(m_customFunction, propertyName, numCats, dataMin, dataMax, m_type);
GetJenksCategories(values, numCats, dataMin, dataMax, distValues);
break;
}
case MINIMUM:
{
GetMinimum(values,distValues);
break;
}
case MAXIMUM:
{
GetMaximum(values,distValues);
break;
}
case MEAN:
{
GetMeanValue(values,distValues);
break;
}
case STANDARD_DEV:
{
GetStandardDeviation(values,distValues);
break;
}
case UNIQUE:
{
MgUniqueFunction<double>::Execute(values, distValues);
break;
}
}
}
}