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protected void paint geo layers graphics2 d g2 for geo layer layer geo layers layer project projection layer draw layer g2 default layer project projection default layer draw layer g2
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paint the geographic layers
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public double get min latitude return min lat
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return the minimum latitude in degrees
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public void set background image image image background image image if image null world color null
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set the background image for this geo canvas
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public void move to point pt int steps move to pt x pt y steps
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move to the specified point in the appropriate number of steps
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public double get min longitude return min lon
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return the minimum longitude in degrees
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public void set geo bounds geo bounds geo bounds bounds geo bounds invalidate
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set the geographic bounds
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public void set layers collection geo layer layers geo layers clear geo layers add all layers
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set the geographic layers
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public void set data data record node data node
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sets the data record of this geo bounds object
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public void set world color color color world color color
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set the world color
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public void add coord geo coord coord date date coords put date coord
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add a geographic coordinate with an associated date to this track
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public geo polyline create polyline return new geo polyline coords values to array new geo coord 0
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create a geo polyline which represents the path of this track
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public geo coord get current value return cur loc
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returns the current value based upon the current time setting for this
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private int calc map level double ang rad get geo bounds get angular radius double win rad get bounds get width 2 if win rad 0 double cels win rad 256 1 double log span math log math pi cels ang rad math log 2 map level int math round log span return map level
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calculate the google map level
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public date get cur time return cur time
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returns the time for the object
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private image get image int x int y int lvl image img null if y 1 string key x x y y z lvl img img cache get key if img null try url url new url url base key image icon icn new image icon url img icn get image img cache put key img catch exception exc create a default buffered image for now img new buffered image 256 256 buffered image type int argb return img
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get the google map image cell for the specified coordinate and level
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public geo coord get value int index geo coord coord null if index coords size int count 0 for geo coord val coord coords values if count index coord val coord count return coord
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return the value for the given index
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public boolean is timed return coords is empty
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return whether the track is indexed by time
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public void set cur time date time cur time time cur loc get value cur time
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sets the time for the object
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public void set data data record data record data data record
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set the data record associated with this track
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public geo reader add file string file name esri reader reader readers get file name if reader null reader new esri reader base url file name readers put file name reader list geo shape shapes reader get shapes for geo shape shape shapes data record data shape get data string name data get name if places contains key name places put name file name return reader
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add a specific shape file to the locator
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public geo reader get reader string type return readers get type
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get the particular reader associated with a type
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public void show hint string text int millis point top left top frame get location on screen glass set text loc loc x top left x loc y top left y glass set text text top frame repaint delay millis glass set text top frame repaint glass set visible false glass remove all
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displays a pop up message for descriptive text
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public geo coord get start coord return start coord
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get the coordinate of the start of the line of bearing
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public void set url base string url url base url
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sets the the google maps url base
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public boolean contains point2 d point return path contains point
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tests if the specified point is inside the boundary of the shape
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public int get row count return layer data size
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get the number of rows
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public boolean contains rectangle2 d rect return path contains rect
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tests if the interior of the shape entirely contains the specified
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public void set data list geo layer layers layer data layers
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sets the data for the table model
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public rectangle get bounds return path get bounds
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returns an integer rectangle that completely encloses the shape
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public void add shape geo shape shape add timed shape shape null
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add a shape to the kml file
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private void fire state changed change event evt new change event this for change listener listener listeners listener state changed evt
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fire change events to all listeners
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public void set layers list geo layer layers layer list layers model set data layer list pack
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sets the list of layers
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public void add timed shape geo shape shape time span span add timed shape shape span doc elem
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add a shape with a time component
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private void build doc try doc doc build new document doc set xml version 1 0 element kml elem doc create element kml kml elem set attribute xmlns http earth google com kml 2 1 doc append child kml elem doc elem doc create element document kml elem append child doc elem catch exception exc exc print stack trace
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build the xml document for the kml file
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private void add to record element elem data record rec string tag string value get child value elem tag if value null rec set text field tag value
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adds a text value to a data record
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private color convert hex to color string hex color int alpha integer decode 0x hex color substring 0 2 int blue integer decode 0x hex color substring 2 4 int green integer decode 0x hex color substring 4 6 int red integer decode 0x hex color substring 6 8 return new color red green blue alpha
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convert google color hex values to color objects
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public void clear build doc
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clear and reset the writer
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private string get child value element parent string tag string value null node list kids parent get elements by tag name tag for int j 0 j kids get length j element val elem element kids item j node first child val elem get first child if first child instanceof text text val text text first child value val text get data return value
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gets the value of a tagged text child element
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public void close try transformer transform new domsource doc new stream result out writer out writer close catch exception exc exc print stack trace
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close the kml file writing the contents to the specified output stream
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public boolean intersects rectangle2 d rect return path intersects rect
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tests if the interior of the geo polyline intersects the interior of a
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private void load from elements element kml elem node list style list kml elem get elements by tag name style for int j 0 j style list get length j element style elem element style list item j load style style elem node list place list kml elem get elements by tag name placemark for int j 0 j place list get length j element place elem element place list item j add placemark place elem style map clear
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load the geographic data from elements of the kml document
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public void project projection proj path reset boolean first true point pts proj project coords for point point pts if point null if first first false path move to point x point y else path line to point x point y else coordinate could not be projected start new segment first true plot reverse path to close segment preventing chord fills for int i pts length 2 i 0 i if pts i null if first path move to pts i x pts i y else path line to pts i x pts i y else first true
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projects the geographic coordinates into the given projection
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protected element create description data record rec element desc elem null if rec null string buffer desc new string buffer if rec get link null desc append a href rec get link rec get name a br string rec str rec write fields to string replace n br desc append rec str string desc str desc to string trim if desc str length 0 desc elem doc create element description cdatasection cdata doc create cdatasection desc to string desc elem append child cdata return desc elem
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create a description element
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private element create marker geo marker marker element point elem doc create element point element coord elem create text element coordinates to degree string marker get center point elem append child coord elem return point elem
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create a kml element from a marker
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private geo shape read marker element elem string coord str get child value elem coordinates geo coord coords convert coord string coord str return new geo marker coords 0
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read marker data from an element
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private geo shape read polygon element elem string coord str get child value elem coordinates geo coord coords convert coord string coord str return new geo polygon coords
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read polygon data from an element
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private element create multi shape geo multi shape shape element multi elem doc create element multi geometry for geo shape segment shape multi elem append child create shape segment return multi elem
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create a multishape element
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private geo shape read polyline element elem string coord str get child value elem coordinates geo coord coords convert coord string coord str return new geo polyline coords
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read polyline data from an element
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public void set max sleep int sleep seconds max sleep sleep seconds 1000
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set the maximum time to sleep between generating random events
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public void add alt name string alt name alt names add alt name
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add an alternate name for this object
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public int compare to geo object other int comp type compare to other get type if comp 0 long pop comp other get population population comp int math signum pop comp if comp 0 comp get name compare to other get name return comp
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compare this geographic object to another geographic object
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public long get population return population
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get the population for this object
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public geo feature type get type return type
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get the geographic feature type for this object
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public void set country string cntry name country cntry name
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set the country name for this object
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public double eccentricity return eccentricity
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get the eccentricity of the geoid
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public double polar radius return eq radius math sqrt 1 eccentricity eccentricity
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calculate the polar radius of the geoid in meters
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public double radius return eq radius
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get the equatorial radius of the geoid in meters
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public void set feature type geo feature type feature type type feature type
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set the geographic feature type
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public void set population long pop population pop
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set the population
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private jlabel get image int x int y int lvl jlabel lbl new jlabel if y 1 try url url new url http mt0 google com mt n 404 v w2 25 x x y y zoom lvl image icon icn new image icon url lbl new jlabel icn catch exception exc create a default buffered image for now image img new buffered image 256 256 buffered image type int argb lbl new jlabel new image icon img return lbl
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get the google map image cell for the specified coordinate and level
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public int get map level return disp level
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get the currently displayed map level
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public void popup map int level find location if level 0 popup map level
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pop up the map display
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private element create text element string tag string body element tag elem null if tag null body null tag elem doc create element tag text body txt doc create text node body tag elem append child body txt return tag elem
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create an element containing a text node with the specified body text
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public void set location location location loc location loc valid false
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set the location currently displayed by this popup map
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public geo bounds get geo bounds return geo bounds
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get the geographic bounds for the projection
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public geoid get geoid return geoid
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get the geoid used for projections
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public geo coord get proj center return center
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get the center of projection
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public rectangle get view bounds return view bounds
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get the view bounds
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public void set geo bounds geo bounds bounds geo bounds bounds rescale
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set the geographic bounds for the projection
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private element create time element time span span string date str date fmt format span get start date element time elem null if span is instantaneous time elem doc create element time stamp time elem append child create text element when date str else time elem doc create element time span time elem append child create text element begin date str date str date fmt format span get stop date time elem append child create text element end date str return time elem
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create a time primitive element
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public void set geoid geoid proj geoid geoid proj geoid
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set the geoid used for projections
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public void set proj center geo coord proj center center proj center
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set the center of projection
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public void set view bounds rectangle bounds view bounds bounds rescale
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set the view bounds
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public geo feature type get feature type string loc name return geo feature type other
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get the feature type for the location name
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public string get content type return application vnd google earth kml xml
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get the content type generated by this writer
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public string get country string loc name geo object geo obj get geo object loc name return geo obj null null geo obj get country
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get the country containing the named location
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public void set destination string destination throws ioexception set writer new buffered writer new file writer destination
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set the destination for this writer
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private void load shapes try read dbf catch ioexception ioe ignore assume there is no data file available try read shp catch ioexception ioe throw new runtime exception cannot find shape file base name at base ioe
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load the shapes and associated data from the shape files
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public void set writer writer writer out writer writer
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set the writer
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private string to degree string geo coord coord return coord get longitude coord get latitude coord get altitude
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convert a geographic coordinate to a degree string
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private geo marker read point char pt type throws ioexception double lon read double shp stream double lat read double shp stream double alt 0 if pt type m read double shp stream eat measure else if pt type z alt read double shp stream read double shp stream eat measure geo coord coord new geo coord lat lon alt geo marker point new geo marker coord return point
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read a geographic point shape
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public geo object get geo object string loc name geo object geo obj cache get loc name if geo obj null cache contains key loc name loc name length 2 if geo path starts with http geo obj get geo from url loc name else if loaded geo obj get geo from file loc name if geo obj null cache put loc name geo obj cache put geo obj get name geo obj for string alt geo obj get alt names cache put alt geo obj return geo obj
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get the geographic object for the given location name
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private string to hex color color color int alpha color get alpha int red color get red int blu color get blue int grn color get green string alpha str alpha 16 integer to string alpha 16 0 integer to string alpha 16 string red str red 16 integer to string red 16 0 integer to string red 16 string grn str grn 16 integer to string grn 16 0 integer to string grn 16 string blu str blu 16 integer to string blu 16 0 integer to string blu 16 return alpha str red str grn str blu str
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convert a color into a hexidecimal string
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public string get geo path return geo path
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get the geonames path
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public void write data collection geo shape data for geo shape shape data add shape shape
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write a collection of geoshapes
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public string get real name string loc name geo object geo obj get geo object loc name return geo obj null null geo obj get name
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get the real name known by geo names for the location name
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public geo bounds get geo bounds return new geo bounds coord get latitude coord get latitude coord get longitude coord get longitude
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get the geographic bounds for this shape
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public boolean contains double x double y return trans shape contains x y
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tests if the specified coordinates are inside the boundary of the shape
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public boolean contains double x double y double w double h return trans shape contains x y w h
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tests if the interior of the shape entirely contains the specified
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public boolean contains point2 d point return trans shape contains point
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tests if the specified point is inside the boundary of the shape
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public boolean contains rectangle2 d rect return trans shape contains rect
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tests if the interior of the shape entirely contains the specified
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public rectangle get bounds return trans shape get bounds
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returns an integer rectangle that completely encloses the shape
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public rectangle2 d get bounds2 d return trans shape get bounds2 d
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returns a high precision rectangle that completely encloses the shape
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public boolean is retry flag return retry
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return whether the locator allows retrying if the servers are busy
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public geo coord get center return coord
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get the center of the shape
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public shape get marker shape return render style null new line2 d double 0 0 0 0 render style get marker shape
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get the shape used to render the marker
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public path iterator get path iterator affine transform at return trans shape get path iterator at
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returns an iterator object that iterates along the shape boundary and
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private void calc center radius for geo shape shape this if center null center shape get center radius shape get radius else geo coord shape ctr shape get center double shape rad shape get radius double dist center get distance shape ctr if radius dist shape rad double azimuth center get azimuth shape ctr double new rad radius shape rad dist 2 0 double move new rad radius center center get bearing point move azimuth radius new rad
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calculate the center and radius for this collection of shapes
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public path iterator get path iterator affine transform at double flatness return trans shape get path iterator at flatness
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returns an iterator object that iterates along the shape boundary and
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public boolean contains double x double y boolean inside false for geo shape shape this inside shape contains x y return inside
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tests if the specified coordinates are inside the boundary of the shape
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