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| -rw-r--r-- | grid.go | 18 |
1 files changed, 18 insertions, 0 deletions
@@ -186,6 +186,24 @@ func (g GridType) Y(dataY float64) float64 { return g.ym*dataY + g.yb } +// XRange returns the minimum and maximum values for the current tickmark +// sequence. These correspond to the data values of the graph's left and right +// edges. +func (g GridType) XRange() (min, max float64) { + min = g.xTicks[0] + max = g.xTicks[len(g.xTicks)-1] + return +} + +// YRange returns the minimum and maximum values for the current tickmark +// sequence. These correspond to the data values of the graph's bottom and top +// edges. +func (g GridType) YRange() (min, max float64) { + min = g.yTicks[0] + max = g.yTicks[len(g.yTicks)-1] + return +} + // TickmarksContainX sets the tickmarks to be shown by Grid() in the horizontal // dimension. The argument min and max specify the minimum and maximum values // to be contained within the grid. The tickmark values that are generated are |