Hi users,
I have no clear clue about plotting spatial data. For example, I just have
a table with attribute values of each grid cell, such as elevation. Then I
have coordinates of the upper left corner in UTM, the number of rows and
columns, and grid cell size. How to create spatial plot of elevations for
the grid cells, in color ramp? Should I create a spatial grid layer with
all the polygons first? Thanks.
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