extractfield - Field values from structure array
Syntax
a = extractfield(s, name)
Description
a = extractfield(s, name) returns
the field values specified by the field named name into
the 1-by-n output array a. n is
the total number of elements in the field name of
structure s, that is, n = numel([s(:).(name)]). name is
a case-sensitive string defining the field name of the structure s. a is
a cell array if any field values in the field name contain a string
or if the field values are not uniform in type; otherwise a is
the same type as the field values. The shape of the input field is
not preserved in a.
Examples
% Plot the X, Y coordinates of the road's shape
roads = shaperead('concord_roads.shp');
plot(extractfield(roads,'X'),extractfield(roads,'Y'));
% Extract the names of the roads
roads = shaperead('concord_roads.shp');
names = extractfield(roads,'STREETNAME');
% Extract a mix-type field into a cell array
S(1).Type = 0;
S(2).Type = logical(0);
mixedType = extractfield(S,'Type');
See Also
struct, shaperead
 | etopo5 | | extractm |  |
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