Extract SDSS field information and PSF
Created: 2012-07-26 17:59:02
Last updated: 2012-09-07 10:21:26
This workflow download from SDSS the information about the field of the image. It receives as a input a table. Each row of this table has information of one image, specifically it contains run, rerun, camcol and field, needed to query SDSS and get the saturation, gain, Extinction coefficient, Zero-point.
The workflow also get the band of the image from its header and build a new table with all this data, needed for applications like Sextractor.
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Workflow Components
Authors (0)
Titles (0)
Descriptions (0)
Dependencies (1)
Inputs (1)
| Name |
Description |
| input_table |
|
Processors (19)
| Name |
Type |
Description |
| extract_info |
beanshell |
ScriptRA_COLUMN = 0;
DEC_COLUMN = 1;
RUN_COLUMN = 2;
RERUN_COLUMN = 3;
CAMCOL_COLUMN = 4;
FIELD_COLUMN = 5;
FILE_COLUMN = 6;
BARRED_COLUMN = 7;
PSFIELD_COLUMN = 8;
PSF_COLUMN = 9;
DECs = new ArrayList();
RAs = new ArrayList();
RUNs = new ArrayList();
RERUNs = new ArrayList();
CAMCOLs = new ArrayList();
FIELDs = new ArrayList();
FILEs = new ArrayList();
BARREDs = new ArrayList();
PSFIELDs = new ArrayList();
PSFs = new ArrayList();
for (line : lines.split("\n")) {
split = line.split("\\s");
DECs.add(split[RA_COLUMN]);
RAs.add(split[DEC_COLUMN]);
RUNs.add(split[RUN_COLUMN]);
RERUNs.add(split[RERUN_COLUMN]);
CAMCOLs.add(split[CAMCOL_COLUMN]);
FIELDs.add(split[FIELD_COLUMN]);
FILEs.add(split[FILE_COLUMN]);
BARREDs.add(split[BARRED_COLUMN]);
PSFIELDs.add(split[PSFIELD_COLUMN]);
PSFs.add(split[PSF_COLUMN]);
} |
| SDSS_DR7 |
rest |
|
| SR_value |
stringconstant |
Value1 |
| extract_header_band |
externaltool |
|
| header_value |
stringconstant |
ValueFILTER |
| extract_filters_for_rows |
externaltool |
|
| extract_filters_for_columns |
externaltool |
|
| Select_Rows |
tpipe |
|
| Select_columns |
tpipe |
|
| download_psf |
externaltool |
|
| read_psfield |
externaltool |
|
| Tool |
externaltool |
|
| Format_conversion |
tpipe |
|
| formatTableIn_value |
stringconstant |
Valuevotable |
| formatTableOut_value |
stringconstant |
Valueascii |
| Write_Text_File |
localworker |
Script
BufferedWriter out;
if (encoding == void) {
out = new BufferedWriter(new FileWriter(outputFile));
}
else {
out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(outputFile), encoding));
}
out.write(filecontents);
out.flush();
out.close();
outputFile = filecontents;
|
| encoding_value |
stringconstant |
Valueutf-8 |
| outputFile_value |
stringconstant |
Valuedrfield.txt |
| Merge_String_List_to_a_String |
localworker |
ScriptString seperatorString = "\n";
if (seperator != void) {
seperatorString = seperator;
}
StringBuffer sb = new StringBuffer();
for (Iterator i = stringlist.iterator(); i.hasNext();) {
String item = (String) i.next();
sb.append(item);
if (i.hasNext()) {
sb.append(seperatorString);
}
}
concatenated = sb.toString();
|
Beanshells (1)
| Name |
Description |
Inputs |
Outputs |
| extract_info |
|
lines
|
DECs
RAs
RERUNs
RUNs
CAMCOLs
FIELDs
FILEs
BARREDs
PSFIELDs
PSFs
|
Outputs (4)
| Name |
Description |
| field_votable |
|
| path_psf |
|
| path_psf_fits |
|
| lines |
|
Datalinks (46)
| Source |
Sink |
| input_table |
extract_info:lines |
| extract_info:RAs |
SDSS_DR7:RA |
| extract_info:DECs |
SDSS_DR7:DEC |
| SR_value:value |
SDSS_DR7:SR |
| extract_info:FILEs |
extract_header_band:path |
| header_value:value |
extract_header_band:header |
| extract_info:CAMCOLs |
extract_filters_for_rows:camcol |
| extract_info:FIELDs |
extract_filters_for_rows:field |
| extract_info:RERUNs |
extract_filters_for_rows:rerun |
| extract_info:RUNs |
extract_filters_for_rows:run |
| extract_header_band:STDOUT |
extract_filters_for_columns:band |
| SDSS_DR7:responseBody |
Select_Rows:voTable |
| extract_filters_for_rows:STDOUT |
Select_Rows:filter |
| Select_Rows:outputTable |
Select_columns:voTable |
| extract_filters_for_columns:STDOUT |
Select_columns:filter |
| extract_info:CAMCOLs |
download_psf:camcol |
| extract_info:FIELDs |
download_psf:field |
| extract_info:PSFIELDs |
download_psf:path_psfield |
| extract_info:RERUNs |
download_psf:rerun |
| extract_info:RUNs |
download_psf:run |
| extract_header_band:STDOUT |
read_psfield:band |
| extract_info:PSFs |
read_psfield:path_psf_fits |
| download_psf:STDOUT |
read_psfield:path_psf |
| Write_Text_File:outputFile |
Tool:drfield_file |
| extract_info:BARREDs |
Tool:barred |
| extract_info:CAMCOLs |
Tool:camcol |
| extract_info:DECs |
Tool:dec |
| extract_info:FIELDs |
Tool:field |
| extract_info:FILEs |
Tool:path_image |
| extract_info:PSFIELDs |
Tool:path_psfield |
| extract_info:PSFs |
Tool:path_psf |
| extract_info:RAs |
Tool:ra |
| extract_info:RERUNs |
Tool:rerun |
| extract_info:RUNs |
Tool:run |
| extract_header_band:STDOUT |
Tool:band |
| Select_columns:outputTable |
Format_conversion:voTable |
| formatTableIn_value:value |
Format_conversion:formatTableIn |
| formatTableOut_value:value |
Format_conversion:formatTableOut |
| encoding_value:value |
Write_Text_File:encoding |
| Format_conversion:outputTable |
Write_Text_File:filecontents |
| outputFile_value:value |
Write_Text_File:outputFile |
| Tool:STDOUT |
Merge_String_List_to_a_String:stringlist |
| Select_columns:outputTable |
field_votable |
| download_psf:STDOUT |
path_psf |
| extract_info:PSFs |
path_psf_fits |
| Merge_String_List_to_a_String:concatenated |
lines |
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