|
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
SUMMARY: INNER | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object | +--net.aerith.misao.catalog.io.CatalogReader | +--net.aerith.misao.catalog.io.Ucac1Reader
The Ucac1Reader
is a class to read the UCAC1 Catalogue.
The (x,y) position is also set properly so that (0,0) represents the specified R.A. and Decl. to open method and (1,1) represents the position 1 deg to the west and 1 deg to the north.
Inner Class Summary | |
protected interface |
Ucac1Reader.EndOfChunkException
The EndOfChunkException is an exception thrown
when all records in a chunk are read. |
Field Summary | |
protected CircumArea |
circum_area
The circum area to read stars. |
protected double |
current_base_decl
The base Decl. |
protected double |
current_base_ra
The base R.A. |
protected int |
current_chunk
The current chunk number. |
protected int |
current_end_number
The last star number in current chunk. |
protected int |
current_file_index
The index of current file. |
protected int |
current_position
The current position in the file. |
protected int |
current_record_size
The record size in current zone. |
protected int[] |
current_seek_position
The seek position of chunks in current zone. |
protected int |
current_star_number
The current star number. |
protected java.io.DataInputStream |
current_stream
The current_input stream. |
protected int |
current_zone
The current zone number. |
protected static int |
file_N
The number of files. |
protected java.util.Vector |
zone_list
The list of zones to be read. |
Fields inherited from class net.aerith.misao.catalog.io.CatalogReader |
center_coor,
date,
limiting_mag,
url_set |
Constructor Summary | |
Ucac1Reader()
Constructs an empty Ucac1Reader . |
|
Ucac1Reader(java.net.URL url)
Constructs a Ucac1Reader with URL of directory
containing the AC 2000.2 Catalogue. |
Method Summary | |
void |
close()
Closes a catalog. |
java.lang.String |
getHelpMessage()
Gets the help message. |
double |
getMaximumPositionErrorInArcsec()
Gets the maximum error of position in arcsec. |
java.lang.String |
getName()
Gets the catalog name. |
boolean |
isInDirectory()
Checks if the catalog data is in a directory. |
void |
open(Coor coor,
double fov)
Opens a catalog. |
CatalogStar |
readNext()
Reads one data from the opened catalog. |
boolean |
supportsExamination()
Checks if the catalog supports the use in PIXY examination. |
Methods inherited from class net.aerith.misao.catalog.io.CatalogReader |
addURL,
getDateLimit,
getDateLimitMessage,
getFovLimit,
getFovLimitMessage,
hasDateLimit,
hasFovLimit,
isDateDependent,
isFile,
open,
read,
setDate,
setDefaultURL,
setLimitingMagnitude |
Methods inherited from class java.lang.Object |
|
Field Detail |
protected static final int file_N
protected java.io.DataInputStream current_stream
protected int current_file_index
protected double current_base_ra
protected double current_base_decl
protected int current_record_size
protected int[] current_seek_position
protected int current_position
protected int current_chunk
protected int current_star_number
protected int current_end_number
protected int current_zone
protected CircumArea circum_area
protected java.util.Vector zone_list
Constructor Detail |
public Ucac1Reader()
Ucac1Reader
.public Ucac1Reader(java.net.URL url)
Ucac1Reader
with URL of directory
containing the AC 2000.2 Catalogue.url
- the URL of directory containing CD-ROMs data.Method Detail |
public java.lang.String getName()
public boolean isInDirectory()
public boolean supportsExamination()
public double getMaximumPositionErrorInArcsec()
public java.lang.String getHelpMessage()
public void open(Coor coor, double fov) throws java.io.IOException, java.io.FileNotFoundException, CdromNotFoundException
coor
- the R.A. and Decl. of the center.fov
- the field of view to read in degree.public CatalogStar readNext() throws java.io.IOException, java.io.FileNotFoundException, CdromNotFoundException, QueryFailException
public void close() throws java.io.IOException
|
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
SUMMARY: INNER | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |