\return Maximum of a and b.

! \return 2D point, where the z coordinate is dropped. */

! The same as qCeil, but avoids including qmath.h \return Ceiling of value. */

True if pixels, dimensions, and format are mutually consistent.

! Toggle an render hint \param hint Render hint \param on true/false \sa testRenderHint(), RenderHint */

\return Number of items in the layout

\return x/y coordinates as QPointF

! Test if a value is inside an interval \param value Value \return true, if value lies inside the boundaries */

Hide the item

! \return Brush used to fill the shape \sa setBrush(), pen() */

! \return True, when the flag is set \param flag Flag type \sa setFlag(), setFlags() */

! \brief Normalize the limits of the interval If maxValue() < minValue() the limits will be inverted. \return Normalized interval \sa is

Collect all float64 values from a topic in timestamp order.

Create a dataset and return its id.

! \brief Close a selection setting the state to inactive. The selection is validated and maybe fixed by accept(). \param ok If true, comple

Return the font.

\return Orientation

! Set the font. \param font Font \note Setting the font might have no effect, when the text contains control sequences for setting

\return A normalized QRect built from the intervals

Write `n` rows to a float64 scalar topic with value = slope * (t_ns / 1e9). Commits the chunk. Returns the TopicId. Timestamps: 0, step_ns, 2*step_ns,

! \return First border of the paint interval */

! \return Current symbol style \sa setStyle() */

! \brief Calculate the filled rectangle of the pipe \param pipeRect Rectangle of the pipe \return Rectangle to be filled ( fill and alarm br

Move the center of the scale draw, leaving the radius unchanged

! Set the width of the needle \param width Width \sa width() */