A B C D E F G I L M N O P Q R S T U X Y Z

A

a - Variable in class nsidc.spheres.GreatCircle

Constant in plane equations ax+by+cz=0

arc_length_deg - Variable in class nsidc.spheres.GreatCircleArc

Length of the arc in degrees.

arc_length_rad - Variable in class nsidc.spheres.GreatCircleArc

Length of the arc in radians.

arc_point - Variable in class nsidc.spheres.GreatCircle

Points that define the great circle (arc endpoints).

arc_point - Variable in class nsidc.spheres.SmallCircle

B

b - Variable in class nsidc.spheres.GreatCircle

Constant in plane equations ax+by+cz=0

C

c - Variable in class nsidc.spheres.GreatCircle

Constant in plane equations ax+by+cz=0

center() - Method in class nsidc.spheres.GreatCircleArc

Find the center of the arc

circularLat(float, boolean) - Method in class nsidc.spheres.Orbit

circularLat(double, boolean) - Method in class nsidc.spheres.Orbit

const_term - Variable in class nsidc.spheres.GreatCircle

Constant for intermediate results.

contains(Point) - Method in class nsidc.spheres.LatLonBoundingBox

Determine if this box contains a given point.

contains(float) - Method in class nsidc.spheres.LatRange

Determine if the given latitude is within the range.

contains(double) - Method in class nsidc.spheres.LatRange

Determine if the given latgitude is within the range.

contains(float) - Method in class nsidc.spheres.LonRange

Determine if the given longitude is within the range.

contains(double) - Method in class nsidc.spheres.LonRange

Determine if the given longitude is within the range.

contains(Point) - Method in class nsidc.spheres.SphericalPolygon

Determine if this polygon contains a given point.

containsSTP(Point) - Method in class nsidc.spheres.SphericalPolygon

Determine if this polygon contains a given point using STP.

copyGC(GreatCircle) - Method in class nsidc.spheres.SmallCircle

corner_point - Variable in class nsidc.spheres.SphericalPolygon

Array for polygon corner point locations.

crosses_pole - Variable in class nsidc.spheres.GreatCircleArc

Boolean to track if the arc crosses a pole or not.

D

declination - Variable in class nsidc.spheres.Orbit

The declination of the orbit in decimal degrees West of North.

degrees(float) - Method in class nsidc.spheres.Sphere

Convert radians to decimal degrees.

degrees(double) - Method in class nsidc.spheres.Sphere

Convert radians to decimal degrees.

denominator - Variable in class nsidc.spheres.GreatCircle

Constant for intermediate results.

densify(double) - Method in class nsidc.spheres.GreatCircleArc

Densify the arc

densify(double) - Method in class nsidc.spheres.SphericalPolygon

Densify the polygon

directedLonDistance(float, float) - Method in class nsidc.spheres.Orbit

distance - Variable in class nsidc.spheres.SmallCircle

instance variables

E

end_clat - Variable in class nsidc.spheres.Scene

Circular Latitude (0-360) of nadir at the end of the scene.

eq_swath_width - Variable in class nsidc.spheres.Orbit

Swath width at the equator in (scaled) Km.

eq_swath_width_deg - Variable in class nsidc.spheres.Orbit

Swath width at the equator in degrees.

eq_swath_width_rad - Variable in class nsidc.spheres.Orbit

Swath width at the equator in radians.

external_point - Variable in class nsidc.spheres.SphericalPolygon

A point (probably) outside the polygon.

F

firstX - Variable in class nsidc.spheres.GreatCircle

Tmp constant for interim results of the intersect calculations

G

GreatCircle - class nsidc.spheres.GreatCircle.

GreatCircle class - provides services and information relating to a great circle.

GreatCircle() - Constructor for class nsidc.spheres.GreatCircle

Empty constructor - do not use.

GreatCircle(double, double, double, double) - Constructor for class nsidc.spheres.GreatCircle

Sets the points and initializes the great circle.

GreatCircle(double[], double[]) - Constructor for class nsidc.spheres.GreatCircle

Sets the points and initializes the great circle.

GreatCircle(Point, Point) - Constructor for class nsidc.spheres.GreatCircle

GreatCircleArc - class nsidc.spheres.GreatCircleArc.

GreatCircleArc class - provides services and information relating to a great circle arc.

GreatCircleArc(double, double, double, double) - Constructor for class nsidc.spheres.GreatCircleArc

Sets the endpoints and initializes the arc.

GreatCircleArc(double[], double[]) - Constructor for class nsidc.spheres.GreatCircleArc

Sets the endpoints and initializes the arc.

GreatCircleArc(Point, Point) - Constructor for class nsidc.spheres.GreatCircleArc

Sets the endpoints and initializes the arc.

getAreaCrossingRange(SphericalPolygon, boolean) - Method in class nsidc.spheres.Orbit

Get the range of ascending nodal crossings for orbits that cover the given spherical polygon.

getAreaCrossingRange(LatLonBoundingBox, boolean) - Method in class nsidc.spheres.Orbit

Get the range of ascending nodal crossings for orbits that cover the given Lat/Lon Bounding Box.

getAreaCrossingRange(float[], float[], boolean) - Method in class nsidc.spheres.Orbit

getAreaCrossingRange(double[], double[], boolean) - Method in class nsidc.spheres.Orbit

Get the range of ascending nodal crossings for orbits that cover the given spherical polygon.

getAreaCrossingRange(Point[], boolean) - Method in class nsidc.spheres.Orbit

Get the range of ascending nodal crossings for orbits that cover the given spherical polygon.

getCrossSwathEdges(float, float, float[], float[], boolean) - Method in class nsidc.spheres.Orbit

Get the cross track edge points of the swath with nadir at the given point.

getExternalPoint() - Method in class nsidc.spheres.SphericalPolygon

Return the point currently being used as the "external" point.

getLonSwathEdges(float, float, boolean, float[]) - Method in class nsidc.spheres.Orbit

Get the swath edge points at the given latitude.

getNadirLongitude(float, boolean) - Method in class nsidc.spheres.Scene

Get the longitude of nadir at the given latitude

getNodalCrossing(float, float, boolean, boolean) - Method in class nsidc.spheres.Orbit

Get the ascending nodal crossing of the orbit with nadir passing through the given point.

getNodalCrossing(double, double, boolean, boolean) - Method in class nsidc.spheres.Orbit

getPointCrossingRange(Point, boolean) - Method in class nsidc.spheres.Orbit

Get the range of ascending nodal crossings for orbits that cover the given point.

getPointCrossingRange(float, float, boolean) - Method in class nsidc.spheres.Orbit

Get the range of ascending nodal crossings for orbits that cover the given point.

getRadius() - Method in class nsidc.spheres.Sphere

Get the radius of the sphere.

guessExternalPoint() - Method in class nsidc.spheres.SphericalPolygon

Guess a point that is outside the polygon.

I

inflection_lat - Variable in class nsidc.spheres.Orbit

Absolute value of highest/lowest lat achieved by nadir in decimal degrees.

inflection_max_lat - Variable in class nsidc.spheres.Orbit

Max latitude of the swath edge at the inflection point.

inflection_min_lat - Variable in class nsidc.spheres.Orbit

Min latitude of the swath edge at the inflection point.

inflection_point - Variable in class nsidc.spheres.GreatCircle

Highest point achieved by the great circle.

init() - Method in class nsidc.spheres.GreatCircle

initializes the great circle.

init() - Method in class nsidc.spheres.GreatCircleArc

initializes the arc.

intersect_point - Variable in class nsidc.spheres.GreatCircle

Points for any intersections found.

intersect_point - Variable in class nsidc.spheres.SmallCircle

intersects(SmallCircleArc) - Method in class nsidc.spheres.SmallCircleArc

Determine if this small circle arc intersects another.

intersectsArc(GreatCircleArc) - Method in class nsidc.spheres.GreatCircleArc

Determine if this arc intersects another.

intersectsGreatCircle(GreatCircle) - Method in class nsidc.spheres.GreatCircle

Determine if/where this great circle intersects another.

intersectsLatSeg(double, double, double) - Method in class nsidc.spheres.GreatCircleArc

Determine if this arc intersects a segment of a parallel.

intersectsLatitude(double) - Method in class nsidc.spheres.GreatCircle

Determine if this great circle intersects a parallel.

intersectsSCArc(SmallCircleArc) - Method in class nsidc.spheres.GreatCircleArc

Determine if this arc intersects a small circle arc.

intersectsSmallCircle(SmallCircle) - Method in class nsidc.spheres.GreatCircle

Determine if/where this great circle intersects a small circle.

intersectsSmallCircle(SmallCircle) - Method in class nsidc.spheres.SmallCircle

Determine if this small circle intersects another.

is_meridian - Variable in class nsidc.spheres.GreatCircle

Boolean to track if the arc is on a meridian or not.

L

LatLonBoundingBox - class nsidc.spheres.LatLonBoundingBox.

LatLonBoundingBox class - provide services and information relating to a lat/lon bounding box.

LatLonBoundingBox(double, double, double, double) - Constructor for class nsidc.spheres.LatLonBoundingBox

Constructs a lat/lon bounding box.

LatLonBoundingBox(float, float, float, float) - Constructor for class nsidc.spheres.LatLonBoundingBox

Constructs a lat/lon bounding box.

LatLonBoundingBox(String, String, String, String) - Constructor for class nsidc.spheres.LatLonBoundingBox

Constructs a lat/lon bounding box.

LatRange - class nsidc.spheres.LatRange.

LatRange class - provide services and information relating to a latitude range.

LatRange(double, double) - Constructor for class nsidc.spheres.LatRange

The constructors.

LatRange(float, float) - Constructor for class nsidc.spheres.LatRange

LonRange - class nsidc.spheres.LonRange.

LonRange class - provide services and information relating to a longitude range.

LonRange(double, double) - Constructor for class nsidc.spheres.LonRange

Assumes West to East orientation.

LonRange(float, float) - Constructor for class nsidc.spheres.LonRange

Assumes West to East orientation.

lat - Variable in class nsidc.spheres.Point

Spherical coordinate of the point.

lat_max - Variable in class nsidc.spheres.LatLonBoundingBox

Maximum latitude of the bounding box.

lat_min - Variable in class nsidc.spheres.LatLonBoundingBox

Minimum latitude of the bounding box.

lat_range - Variable in class nsidc.spheres.GreatCircleArc

Latitude range of the arc.

lat_range - Variable in class nsidc.spheres.SphericalPolygon

Latitude range of the arcs that make up the polygon

lin_term - Variable in class nsidc.spheres.GreatCircle

Constant for intermediate results.

lon - Variable in class nsidc.spheres.Point

Spherical coordinate of the point.

lonDistance(float, float) - Method in class nsidc.spheres.Orbit

Misc.

lon_max - Variable in class nsidc.spheres.LatLonBoundingBox

Maximum longitude of the bounding box.

lon_min - Variable in class nsidc.spheres.LatLonBoundingBox

Minimum longitude of the bounding box.

lon_range - Variable in class nsidc.spheres.GreatCircleArc

Longitude range of the arc.

lon_range - Variable in class nsidc.spheres.LatLonBoundingBox

Longitude range of the bounding box.

lon_range - Variable in class nsidc.spheres.SmallCircle

lon_range - Variable in class nsidc.spheres.SphericalPolygon

Longitude range of the polygon

M

m - Variable in class nsidc.spheres.GreatCircle

Constant for intermediate results.

m - Variable in class nsidc.spheres.SmallCircle

Constant for intermediate results.

main(String[]) - Static method in class nsidc.spheres.UnitTest

max - Variable in class nsidc.spheres.LatRange

maximum latitude in range.

max - Variable in class nsidc.spheres.LonRange

maximum longitude in range.

maxCoverageLat - Variable in class nsidc.spheres.Orbit

Absolute value of latitude above/below which no orbits have coverage.

meldRange(LatRange) - Method in class nsidc.spheres.LatRange

Combine two ranges if possible.

meldRange(double, double) - Method in class nsidc.spheres.LatRange

Combine two ranges if possible.

meldRange(LonRange) - Method in class nsidc.spheres.LonRange

Combine two ranges if possible.

meldRange(double, double) - Method in class nsidc.spheres.LonRange

Combine two ranges if possible.

min - Variable in class nsidc.spheres.LatRange

minimum latitude in range.

min - Variable in class nsidc.spheres.LonRange

minimum longitude in range.

N

n - Variable in class nsidc.spheres.GreatCircle

Constant for intermediate results.

n - Variable in class nsidc.spheres.SmallCircle

Constant for intermediate results.

nodal_crossing - Variable in class nsidc.spheres.Scene

Nodal Crossing of the orbit that this scene is part of.

normalize(float) - Method in class nsidc.spheres.Sphere

Set longitude to (-180, 180)

normalize(double) - Method in class nsidc.spheres.Sphere

Set longitude to (-180, 180)

nsidc.spheres - package nsidc.spheres

numerator - Variable in class nsidc.spheres.GreatCircle

Constant for intermediate results.

O

Orbit - class nsidc.spheres.Orbit.

Orbit class - Provide services and information relating to an orbit.

Orbit() - Constructor for class nsidc.spheres.Orbit

Empty constructor - do not use.

Orbit(String, String, String) - Constructor for class nsidc.spheres.Orbit

Construct and initialize an orbit.

Orbit(float, float, float) - Constructor for class nsidc.spheres.Orbit

Construct and initialize an orbit.

Orbit(double, double, double) - Constructor for class nsidc.spheres.Orbit

Construct and initialize an orbit.

overlaps(LatLonBoundingBox) - Method in class nsidc.spheres.LatLonBoundingBox

Determine if this bounding box overlaps another.

overlaps(Scene) - Method in class nsidc.spheres.LatLonBoundingBox

Determine if this bounding box overlaps a scene.

overlaps(SphericalPolygon) - Method in class nsidc.spheres.LatLonBoundingBox

Determine if this bounding box overlaps a sperical polygon.

overlaps(LatRange) - Method in class nsidc.spheres.LatRange

Determine if this range overlaps another.

overlaps(LonRange) - Method in class nsidc.spheres.LonRange

Determine if this range overlaps another.

overlaps(Scene) - Method in class nsidc.spheres.Scene

Determine if this scene overlaps another.

overlaps(SphericalPolygon) - Method in class nsidc.spheres.Scene

Determine if this scene overlaps a spherical polygon.

overlaps(LatLonBoundingBox) - Method in class nsidc.spheres.Scene

Determine if this scene overlaps a lat/lon bounding box.

overlaps(SphericalPolygon) - Method in class nsidc.spheres.SphericalPolygon

Determine if this polygon overlaps another.

overlaps(LatLonBoundingBox) - Method in class nsidc.spheres.SphericalPolygon

Determine if this polygon overlaps a lat/lon bounding box.

overlaps(Scene) - Method in class nsidc.spheres.SphericalPolygon

Determine if this polygon overlaps a scene.

P

Point - class nsidc.spheres.Point.

Point class - provides services and information relating to a point on a sphere.

Point(double, double) - Constructor for class nsidc.spheres.Point

Known spherical coordinates.

Point(double, double, double) - Constructor for class nsidc.spheres.Point

Known cartesian coordinates

p - Variable in class nsidc.spheres.GreatCircle

Constant for intermediate results.

p - Variable in class nsidc.spheres.SmallCircle

Constant for intermediate results.

parallel(GreatCircle) - Method in class nsidc.spheres.SmallCircle

Determine if this small circle is parallel to a given great circle.

perimeter - Variable in class nsidc.spheres.LatLonBoundingBox

Perimeter (in degrees lat/lon) of the bounding box.

perimeter_deg - Variable in class nsidc.spheres.SphericalPolygon

Perimeter of the polygon in degrees.

perimeter_rad - Variable in class nsidc.spheres.SphericalPolygon

Perimeter of the polygon in radians.

period - Variable in class nsidc.spheres.Orbit

Orbital period in decimal minutes.

planar_const - Variable in class nsidc.spheres.GreatCircle

Tmp constant for interim results of the intersect calculations

pole_to_pole - Variable in class nsidc.spheres.Orbit

Boolean to indicate if this starts/ends at the south pole or the equator

Q

q - Variable in class nsidc.spheres.GreatCircle

Constant for intermediate results.

q - Variable in class nsidc.spheres.SmallCircle

Constant for intermediate results.

R

ROTATION_RATE - Variable in class nsidc.spheres.Orbit

rotation of the earth in radians/minute

Re_km - Variable in class nsidc.spheres.Sphere

Radius of the earth in km.

rad - Variable in class nsidc.spheres.GreatCircle

Tmp constant for interim results of the intersect calculations

radians(float) - Method in class nsidc.spheres.Sphere

Convert decimal degrees to radians.

radians(double) - Method in class nsidc.spheres.Sphere

Convert decimal degrees to radians.

radius - Variable in class nsidc.spheres.Sphere

radius of the working Shpere We use a sphere of radius 10.0 so the numbers are reasonable.

rangeMax(double[]) - Method in class nsidc.spheres.SphericalPolygon

rangeMin(double[]) - Method in class nsidc.spheres.SphericalPolygon

reset(double, double) - Method in class nsidc.spheres.Point

Reset the point from known spherical coordinates.

reset(double, double, double) - Method in class nsidc.spheres.Point

Reset the point from known cartesian coordinates.

S

Scene - class nsidc.spheres.Scene.

Scene(Orbit, String, String, String) - Constructor for class nsidc.spheres.Scene

The constructors.

Scene(Orbit, float, float, float) - Constructor for class nsidc.spheres.Scene

Scene(float, float, float, float, float, float) - Constructor for class nsidc.spheres.Scene

Scene(double, double, double, double, double, double) - Constructor for class nsidc.spheres.Scene

SmallCircle - class nsidc.spheres.SmallCircle.

SmallCircle class - provides services and information relating to a small circle.

SmallCircle() - Constructor for class nsidc.spheres.SmallCircle

Empty constructor - do not use.

SmallCircle(GreatCircle, double) - Constructor for class nsidc.spheres.SmallCircle

Given a great circle and a distance.

SmallCircle(double, double, double, double, double) - Constructor for class nsidc.spheres.SmallCircle

Given two points on the great circle and a distance.

SmallCircle(double, double, double, double, GreatCircle) - Constructor for class nsidc.spheres.SmallCircle

Given two points on the small circle and a reference great circle.

SmallCircle(Point, Point, double) - Constructor for class nsidc.spheres.SmallCircle

Given two points on the great circle and a distance.

SmallCircle(Point, Point, GreatCircle) - Constructor for class nsidc.spheres.SmallCircle

Given two points on the small circle and a reference great circle.

SmallCircleArc - class nsidc.spheres.SmallCircleArc.

SmallCircleArc class - provides services and information relating to a small circle arc.

SmallCircleArc() - Constructor for class nsidc.spheres.SmallCircleArc

Sphere - class nsidc.spheres.Sphere.

Sphere class - provides services and information relating to a sphere.

Sphere() - Constructor for class nsidc.spheres.Sphere

Sets the radius.

SphericalPolygon - class nsidc.spheres.SphericalPolygon.

SphericalPolygon class - provide services and information relating to a spherical polygon.

SphericalPolygon(double[], double[]) - Constructor for class nsidc.spheres.SphericalPolygon

Given lat and lon arrays.

SphericalPolygon(Point[]) - Constructor for class nsidc.spheres.SphericalPolygon

Given an array of points.

scalarTripleProductTest(Point, Point, Point) - Method in class nsidc.spheres.Sphere

Determine where a point is in relation to a line

scale - Variable in class nsidc.spheres.GreatCircle

Tmp constant for interim results of the intersect calculations

secondX - Variable in class nsidc.spheres.GreatCircle

Tmp constant for interim results of the intersect calculations

setExternalPoint(Point) - Method in class nsidc.spheres.SphericalPolygon

Set the point that is to be used as the "external" point.

setRadius(double) - Method in class nsidc.spheres.Point

Use a different radius.

setRadius(double) - Method in class nsidc.spheres.Sphere

Set the radius of the sphere.

shortestLonDistance(float, float) - Method in class nsidc.spheres.Orbit

sphere - Variable in class nsidc.spheres.UnitTest

instance variables

sphere_const - Variable in class nsidc.spheres.GreatCircle

Tmp constant for interim results of the intersect calculations

sqr_term - Variable in class nsidc.spheres.GreatCircle

Constant for intermediate results.

standardLat(double) - Method in class nsidc.spheres.Orbit

start_clat - Variable in class nsidc.spheres.Scene

Circular Latitude (0-360) of nadir at the start of the scene.

systemLog(String, int) - Method in class nsidc.spheres.GreatCircle

systemLog(String, int) - Method in class nsidc.spheres.GreatCircleArc

systemLog(String, int) - Method in class nsidc.spheres.LatLonBoundingBox

Log diagnostic messages

systemLog(String, int) - Method in class nsidc.spheres.Orbit

Log diagnostic messages

systemLog(String) - Method in class nsidc.spheres.Orbit

systemLog(String, int) - Method in class nsidc.spheres.Sphere

Log diagnostic messages

systemLog(String) - Method in class nsidc.spheres.Sphere

Log diagnostic messages

systemLog(String, int) - Method in class nsidc.spheres.SphericalPolygon

Log diagnostic messages

systemLog(String, int) - Method in class nsidc.spheres.UnitTest

Log diagnostic messages

systemLog(String) - Method in class nsidc.spheres.UnitTest

T

testEdgeToCrossing() - Method in class nsidc.spheres.UnitTest

get some AMSR crossings given a pair of edge points.

testLLBBCrossings() - Method in class nsidc.spheres.UnitTest

testLLBDensifier() - Method in class nsidc.spheres.UnitTest

testLLBtoSP() - Method in class nsidc.spheres.UnitTest

testPointRange() - Method in class nsidc.spheres.UnitTest

testSPContainment() - Method in class nsidc.spheres.UnitTest

testSPCrossings() - Method in class nsidc.spheres.UnitTest

testSPDensifier() - Method in class nsidc.spheres.UnitTest

tmp_z - Variable in class nsidc.spheres.GreatCircle

Constant for intermediate results.

toSphericalPolygon(int) - Method in class nsidc.spheres.LatLonBoundingBox

Convert the bounding box to a spherical polygon.

toSphericalPolygon(int) - Method in class nsidc.spheres.Scene

Convert the scene to a spherical polygon.

toString() - Method in class nsidc.spheres.GreatCircle

toString() - Method in class nsidc.spheres.LatLonBoundingBox

toString() - Method in class nsidc.spheres.LatRange

toString() - Method in class nsidc.spheres.LonRange

toString() - Method in class nsidc.spheres.Orbit

toString() - Method in class nsidc.spheres.Point

toString() - Method in class nsidc.spheres.Scene

toString() - Method in class nsidc.spheres.SphericalPolygon

totalCoverageLat - Variable in class nsidc.spheres.Orbit

Absolute value of latitude above/below which all orbits have coverage.

U

UnitTest - class nsidc.spheres.UnitTest.

Important orbit information: Adeos-II, AMSR: 8.62, 100.93, 1445 Aqua, AMSR-E: 8.2, 98.9, 1600

UnitTest() - Constructor for class nsidc.spheres.UnitTest

Empty constructor

X

x - Variable in class nsidc.spheres.Point

Cartesian coordinate of the point.

Y

y - Variable in class nsidc.spheres.Point

Cartesian coordinate of the point.

Z

z - Variable in class nsidc.spheres.Point

Cartesian coordinate of the point.

A B C D E F G I L M N O P Q R S T U X Y Z