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geo (version 1.4-3)

Draw and Annotate Maps, Especially Charts of the North Atlantic

Description

Used by Hafro staff to draw maps showing the distribution of fishing intensity and catches, and of survey data for Icelandic fish stocks. Potentially useful for others.

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Version

Install

install.packages('geo')

Monthly Downloads

21

Version

1.4-3

License

GPL (>= 2)

Maintainer

Sigurdur Thor Jonsson

Last Published

July 3rd, 2015

Functions in geo (1.4-3)

Split a polygon into a list

GEBCO 500 m isobath in the N-Atlantic.

Manipulate grid and z-values for contouring.

Adapts geographical positions

Coastline of Faroe Islands

Convex hull of a set of positions

Depth label locations.

Determine which bormicon (or gadget) region data belong to.

Set up axes for a geoplot

Makes a list used in pointkriging

Fill points (thicken)

Open a postscript device with the color scheme given by geoplotbwpalette. (black and white)

fill.outside.border

Fills space outside the border of a plot.

Convert between Geographic Coordinates and ICES Rectangles

Define regions intteractively

Plot different kinds of symbols at the data points.

Find coordinate(s) ??

Fits a super-smoother to a variogram (?)

Open smooth curve through positions

Intersect or take complement (?) of polygons

Set define a traditional geoplot-palette

Convert latitude and longitude

Parameters for the geo plot functions.

expands a grid to a dataframe.

Find intersection of 2 polygons

Performs Mercator or Lambert projection of data.

Relace elements of a matrix

GEBCO 1000 m isobath in the N-Atlantic.

Old method for calculating geographical area

GEBCO 500 m isobath extending around the Faroes.

Plots grid lines

Extract a grid (?)

GEBCO 500 m isobath around Iceland.

Put a legend on a plot in the geo series.

Add lines to current plot initialized by geoplot.

GEBCO 400 m isobath around Iceland.

Plots rough outline of the world.

Plot arrows and segments showing the size and direction of currents.

Produce gridpoints over an area

Adjusts grid for plot in Lambert projection.

circle.one.point

Find a circle around a point

Closed smooth curve through positions

Smooth curves and put arrows in the beginning and end.

Icelandic coastline, hi-resolution

Adds points on plots initialized by geoplot.

SegmentWithArrow

Plot line segment with arrow at the end.

GEBCO 800 m isobath in the N-Atlantic.

Draw and Annotate Maps, Especially Charts of the North Atlantic

Inverse Mercator Projection

Performs an orthogonal projection to a curve.

Convert from decimal degrees

Determine which bormicon (or gadget) region data belong to.

Plot Squares in Different Colors

Plot colored symbols

Finds a line (?)

Icelandic islands

Outlines of Icelandic glaciers.

Convert to decimal degrees

Cut box type 2???

Plots text on a drawing defined by geoplot.

Geographical distance computations

GEBCO plot. Plots equidepth lines.

Euclidian distance

Mercator projection

Given position return rectangle code.

intra.point.dist

Intra point/position distance

geolines.with.arrows

Add arrowhead to plot

Isobaths in the NE-Atlantic

Some parameter settings.

Adds a plot to an existing plot initialized by geoplot.

Identifies points on plots using lat and lon coordinates.

Shading of geoplots?

Parameters for the geo plot functions.

gridaxes.Lambert

Set up axes for a Lambert projected geoplot

Function that fills rectangles or sub-rectangles according to the amount of fish calculated in them.

inside.reg.lump

Inside region in lumpsucker fishery

Outline of Greenland.

Convert latlon data frame to gpx file.

Plots rectangle codes

Display palette in effect

Read prelude files

Zoom into plots.

Aggregate data on square grid, pad with zeros. Faster than tapply.

Lambert projection

Icelandic rivers.

Setup axes for a geoplot

Prepare a line ?

Icelandic coastline.

Defines regions.

Reitur2Svaedi1to10

Allocate statistical rectangles and subrectangles to Bormicon-areas 1--10.

Translate characters in column names

Distance between two locations

Spherical (?) distance

Writes out data.frame or matrix to a prelude-file.

Label symbols of given size

Lumpfish regions

Paint window for label?

Initiate a geoplot (??)

interpolates regularly spaced data on a grid.

Performs the inverse Mercator or Lambert projection of data.

Parameters manipulation ?

Add arrow to plot.

apply.shrink.dataframe

Apply functions to columns in a dataframe

Open a postscript device with the color scheme given by geoplotpalette.

Given rectangle code return its center position.

Produce a grid over an area

Geographical point selection.

Plots a variogram estimated by variofit.

Inverse Lambert projection

Finds a subset of data inside (or outside) a region

Bormicon regions

Calculates the area of a given region.

Periodic spline

geocontour.fill

geocontour.fill plots colored or black and white contours on a graph made by geoplot.

geoplotbwpalette

Black and white palette

Given rectangle code return perimeter as a polygon in lat lon

Paint window for label ?

Given rectangle code return area in square kilometers or nautical miles

The Icelandic EEZ.

Plots lat and lon coordinates using Mercator or Lambert transformation.

Restores a zoomed plot.

Parameters manipulation ?

Calculates the distance between each pair of datapoints.

Plot tows as line segments

Find intersection or complement

Finds a subset of a given set of data which is inside a given region.

COUNTRY.DEFAULT

Default country for geo.

Function that fits a model to a variogram.

Display colors.

GEBCO 400 m isobath in the N-Atlantic.

Plots contour lines.

GEBCO 200 m isobath in the N-Atlantic.

Locates points on a plot initialized by geoplot.

SMB.std.background

Standard background for the SMB.

Produce a grid of rectangles on a plot, filled with colors if desired.

Apply a function to a vector for a combination of categories.

GEBCO 100 m isobath in the N-Atlantic.

GEBCO 200 m isobath around Iceland.