Set figure properties for printing at specified map scale
paperscale(paperdist,punits,surfdist,sunits)
paperscale(paperdist,punits,surfdist,sunits,lat,long)
paperscale(paperdist,punits,surfdist,sunits,lat,long,az)
paperscale(paperdist,punits,surfdist,sunits,lat,long,az,gunits)
paperscale(paperdist,punits,surfdist,sunits,lat,long,az,gunits,
radius)
paperscale(scale,...)
[paperXdim,paperYdim] = paperscale(...)
paperscale(paperdist, sets
the figure paper position to print the map in the current axes at
the desired scale. The scale is described by the geographic distance
that corresponds to a paper distance. For example, a scale of 1 inch
= 10 kilometers is specified as punits,surfdist,sunits)degrees(1,'inch',10,'km').
See below for an alternate method of specifying the map scale. The
surface distance units sunits can be any
unit recognized by unitsratio.
The paper units punits can be any dimensional
units recognized for the figure PaperUnits property.
paperscale(paperdist, sets
the paper position so that the scale is correct at the specified geographic
location. If omitted, the default is the center of the map limits.punits,surfdist,sunits,lat,long)
paperscale(paperdist, also
specifies the direction along which the scale is correct. If omitted,
90 degrees (east) is assumed.punits,surfdist,sunits,lat,long,az)
paperscale(paperdist, also
specifies the units in which the geographic position and direction
are given. If omitted, punits,surfdist,sunits,lat,long,az,gunits)'degrees' is assumed.
paperscale(paperdist, uses the last input to determine the
radius of the sphere. punits,surfdist,sunits,lat,long,az,gunits,
radius)radius can be one of the
values supported by km2deg, or
it can be the (numerical) radius of the desired sphere in zunits.
If omitted, the default radius of the Earth is used..
paperscale(scale,...), where
the numeric scale replaces the two property/value pairs, specifies
the scale as a ratio between distance on the sphere and on paper.
This is commonly notated on maps as 1:scale (e.g. 1:100 000, or 1:1
000 000). For example, paperscale(100000) or paperscale(100000,lat,long).
[paperXdim,paperYdim] = paperscale(...) returns
the computed paper dimensions. The dimensions are in the paper units
specified. For the scale calling form, the returned dimensions are
in centimeters.
Maps are usually printed at a size that allows an easy comparison of distances measured on paper to distances on the Earth. The relationship of geographic distance and paper distance is termed scale. It is usually expressed as a ratio, such as 1 to 100,000 or 1:100,000 or 1 cm = 1 km.
The small circle measures 10 cm across when printed.
axesm mercator
[lat,lon] = scircle1(0,0,km2deg(5));
plotm(lat,lon)
[x,y] = paperscale(1,'centimeter',1,'km'); [x y]
ans =
13.154 12.509
set(gca,'pos', [ 0 0 1 1])
[x,y] = paperscale(1,'centimeter',1,'km'); [x y]
ans =
10.195 10.195The relationship between the paper and geographic coordinates
holds only as long as there are no changes to the display that affect
the axes limits or the relationship between geographic coordinates
and projected coordinates. Changes of this type include the ellipsoid
or scale factor properties of the map axes, or adding elements to
the display that cause MATLAB® to modify the axes autoscaling.
To be sure that the scale is correct, execute paperscale just
before printing.