public Object getData(final WModelIndex index, int role) {
if (role != ItemDataRole.DisplayRole) {
return super.getData(index, role);
}
double delta_y = (this.yEnd_ - this.yStart_) / (this.getColumnCount() - 2);
if (index.getRow() == 0) {
if (index.getColumn() == 0) {
return 0.0;
}
return this.yStart_ + (index.getColumn() - 1) * delta_y;
}
double delta_x = (this.xEnd_ - this.xStart_) / (this.getRowCount() - 2);
if (index.getColumn() == 0) {
if (index.getRow() == 0) {
return 0.0;
}
return this.xStart_ + (index.getRow() - 1) * delta_x;
}
double x;
double y;
y = this.yStart_ + (index.getColumn() - 1) * delta_y;
x = this.xStart_ + (index.getRow() - 1) * delta_x;
return 4
* Math.sin(Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2)))
/ Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2));
}
