![]() It creates a 3D map or a contour chart from the scattered points, numerical arrays or other data sets. Find the elevation of your current location, or any point on Earth. Elevation Map with the height of any location. See ?axis and my updated answer to a post on stats.stackexchange for an example of this method. 3DField converts your data into contour maps and surface plots. Find the elevation and coordinates of any location on the Topographic Map. With side referring to the side of the axis (1 = x-axis, 2 = y-axis), v1 being a vector containing the position of the ticks (e.g., c(1, 3, 5) if your axis ranges from 0 to 6 and you want three marks), and v2 a vector containing the labels for the specified tick marks (must be of same length as v1, e.g., c("group a", "group b", "group c")). Then call axis() with side, at, and labels: axis(side = 1, at = v1, labels = v2). To suppress the drawing of the axis use plot(. Be careful: if you use the same names as already defined in the predefined color palette, these colors will be overwritten by your new definitions. You can suppress the drawing of the axis altogether and add the tick marks later with axis(). Now Veusz remembers whenever you start the program. ![]() (This works only if you use no logarithmic scale, for the behavior with logarithmic scales see ?par.) Accordingly, n+1 is the number of tick marks drawn. Use par(xaxp = c(x1, x2, n)) or plot(., xaxp = c(x1, x2, n)) to define the position ( x1 & x2) of the extreme tick marks and the number of intervals between the tick marks ( n). There are at least two ways for achieving this in base graph (my examples are for the x-axis, but work the same for the y-axis):
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