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44 const QString& endCol1,
const QString& endCol2,
int startRow,
int endRow);
55 void setVectorEnd(
const QString& xColName,
const QString& yColName);
82 void updateColumnNames(
const QString& oldName,
const QString& newName,
bool updateTableName);
88 void setVectorEnd(
const QwtArray<double>&x,
const QwtArray<double>&y);
90 void draw(QPainter *painter,
const QwtScaleMap &xMap,
91 const QwtScaleMap &yMap,
int from,
int to)
const;
93 void drawVector(QPainter *painter,
const QwtScaleMap &xMap,
94 const QwtScaleMap &yMap,
int from,
int to)
const;
96 void drawArrowHead(QPainter *p,
int xs,
int ys,
int xe,
int ye)
const;
97 double theta(
int x0,
int y0,
int x1,
int y1)
const;