! See http://factorcode.org/license.txt for BSD license
USING: accessors arrays ascii assocs calendar calendar.format
-combinators command-line continuations csv formatting fry
-grouping http.client io io.encodings.ascii io.files io.styles
-kernel math math.extras math.parser memoize namespaces regexp
-sequences sorting.human splitting strings urls wrap.strings ;
+classes.tuple combinators command-line continuations csv
+formatting grouping http.client io io.encodings.ascii io.files
+io.styles kernel math math.extras math.functions math.parser
+namespaces regexp sequences sorting.human splitting strings urls
+wrap.strings ;
IN: metar
-! FIXME: International METAR
-! https://mediawiki.ivao.aero/index.php?title=METAR_explanation
-! METAR YUDO 221630Z 24004MPS 0800 R12/1000U DZ FG SCT010 OVC020 17/16 Q1018
-! SPECI YUDO 151115Z 05025G37KT 2000 1000S R12/1200N +TSRA BKN005CB 25/22 Q1008
-! LFPO 041300Z 36020KT 320V040 1200 R26/0400 +RASH BKN040TCU 17/15 Q1015 RETS 26791299
-
-
TUPLE: station cccc name state country latitude longitude ;
C: <station> station
} cleave <station>
] map ;
+: all-stations. ( -- )
+ all-stations standard-table-style [
+ [
+ [
+ tuple-slots [
+ [
+ [
+ dup string? [ "%.2f" sprintf ] unless write
+ ] when*
+ ] with-cell
+ ] each
+ ] with-row
+ ] each
+ ] tabular-output nl ;
+
: find-by-cccc ( cccc -- station )
all-stations swap '[ cccc>> _ = ] find nip ;
dup number?
[ number>string ]
[ glossary ?at drop ] if
- ] map " " join
+ ] map join-words
] map "/" join ;
: parse-timestamp ( str -- str' )
: mph>kt ( mph -- kt ) 1.15077945 / ;
-: parse-speed ( str -- str'/f )
- string>number [
- dup kt>mph "%s knots (%.1f mph)" sprintf
+: parse-speed ( str units -- str'/f )
+ [ string>number ] dip '[
+ _ dup "knots" =
+ [ drop dup kt>mph "%s knots (%.1f mph)" sprintf ]
+ [ "%s %s" sprintf ] if
] [ f ] if* ;
: parse-wind ( str -- str' )
- dup "00000KT" = [ drop "calm" ] [
- 3 cut "KT" ?tail drop "G" split1
- [ parse-direction ] [ parse-speed ] [ parse-speed ] tri*
+ dup "00000" head? [ drop "calm" ] [
+ "/" split1 [ 3 cut ] unless*
+ [ parse-direction ] dip {
+ { [ "KT" ?tail ] [ "knots" ] }
+ { [ "MPS" ?tail ] [ "meters per second" ] }
+ [ "knots" ]
+ } cond [ "G" split1 ] dip '[ _ parse-speed ] bi@
[ "%s at %s with gusts to %s " sprintf ]
[ "%s at %s" sprintf ] if*
] if ;
", variable from %s to %s" sprintf ;
: parse-visibility ( str -- str' )
- dup first {
- { CHAR: M [ rest "less than " ] }
- { CHAR: P [ rest "more than " ] }
- [ drop "" ]
- } case swap "SM" ?tail drop
- CHAR: \s over index [ " " "+" replace ] when
- string>number "%s%s statute miles" sprintf ;
+ "SM" ?tail [
+ dup first {
+ { CHAR: M [ rest "less than " ] }
+ { CHAR: P [ rest "more than " ] }
+ [ drop "" ]
+ } case swap
+ CHAR: \s over index [ " " "+" replace ] when
+ string>number "%s%s statute miles" sprintf
+ ] [
+ 4 cut [
+ string>number {
+ { [ dup 800 < ] [ "%dm" sprintf ] }
+ { [ dup 5000 < ] [ 1000 /f "%.1fkm" sprintf ] }
+ { [ dup 9999 < ] [ 1000 /f "%dkm" sprintf ] }
+ [ drop "more than 10km" ]
+ } cond
+ ] dip [
+ [
+ H{
+ { CHAR: N "north" }
+ { CHAR: E "east" }
+ { CHAR: S "south" }
+ { CHAR: W "west" }
+ } at
+ ] { } map-as unclip-last
+ [ "-" join ] dip append " " glue
+ ] unless-empty
+ ] if ;
: parse-rvr ( str -- str' )
- "R" ?head drop "/" split1 "FT" ?tail drop
- "V" split1 [
- [ string>number ] bi@
- "varying between %s and %s" sprintf
- ] [
- string>number "of %s" sprintf
- ] if* "runway %s visibility %s ft" sprintf ;
+ {
+ { [ "U" ?tail ] [ " with improvement" ] }
+ { [ "D" ?tail ] [ " with aggravation" ] }
+ { [ "N" ?tail ] [ " with no change" ] }
+ [ "" ]
+ } cond [
+ "R" ?head drop "/" split1 "FT" ?tail [
+ "V" split1 [
+ [ string>number ] bi@
+ "varying between %s and %s" sprintf
+ ] [
+ string>number "of %s" sprintf
+ ] if* "runway %s visibility %s" sprintf
+ ] dip " ft" " meters" ? append
+ ] dip append ;
: (parse-weather) ( str -- str' )
dup "+FC" = [ drop "tornadoes or waterspouts" ] [
[ drop f ]
} case [
2 group dup [ weather key? ] all?
- [ [ weather at ] map " " join ]
+ [ [ weather at ] map join-words ]
[ concat parse-glossary ] if
] dip prepend
] if ;
: parse-weather ( str -- str' )
- "VC" over subseq? [ "VC" "" replace t ] [ f ] if
+ dup "VC" subseq-of? [ "VC" "" replace t ] [ f ] if
[ (parse-weather) ]
[ [ " in the vicinity" append ] when ] bi* ;
CONSTANT: re-timestamp R/ \d{6}Z/
CONSTANT: re-station R/ \w{4}/
CONSTANT: re-temperature R/ [M]?\d{2}\/([M]?\d{2})?/
-CONSTANT: re-wind R/ (VRB|\d{3})\d{2,3}(G\d{2,3})?KT/
+CONSTANT: re-wind R/ (VRB|\d{3})(\/\d+|\d{2,3})(G\d{2,3})?(KT|MPS)/
CONSTANT: re-wind-variable R/ \d{3}V\d{3}/
-CONSTANT: re-visibility R/ (\d+ )?[MP]?\d+(\/\d+)?SM/
-CONSTANT: re-rvr R/ R\d{2}[RLC]?\/\d{4}(V\d{4})?FT/
+CONSTANT: re-visibility R/ ((\d+|[MP])?\d+(\/\d+)?SM|\d{4}[NSEW]{0,2})/
+CONSTANT: re-rvr R/ R\d{2}[RLC]?\/[MP]?\d{4}(V\d{4})?(FT)?[UDN]?/
CONSTANT: re-weather R/ [+-]?(VC)?(\w{2}|\w{4})/
CONSTANT: re-sky-condition R/ (\w{2,3}\d{3}(\w+)?|\w{3}|CAVOK)/
CONSTANT: re-altimeter R/ [AQ]\d{4}/
] [ f ] if* ; inline
: fix-visibility ( seq -- seq' )
- dup [ re-visibility matches? ] find drop [
+ dup [ R/ \d+(\/\d+)?SM/ matches? ] find drop [
dup 1 - pick ?nth [ R/ \d+/ matches? ] [ f ] if* [
cut [ unclip-last ] [ unclip swap ] bi*
[ " " glue 1array ] [ 3append ] bi*
[ parse-wind-variable pick wind>> prepend pick wind<< ] when*
fix-visibility
- [ re-visibility matches? ] find-one
- [ parse-visibility pick visibility<< ] when*
+ [ re-visibility matches? ] find-all
+ [ parse-visibility ] map ", " join pick visibility<<
- [ re-rvr matches? ] find-all " " join
+ [ re-rvr matches? ] find-all
[ parse-rvr ] map ", " join pick rvr<<
[ re-weather matches? ] find-all
[ [ f ] [ low-clouds at "low clouds are %s" sprintf ] if-zero ]
[ [ f ] [ mid-clouds at "middle clouds are %s" sprintf ] if-zero ]
[ [ f ] [ high-clouds at "high clouds are %s" sprintf ] if-zero ]
- tri* 3array " " join ;
+ tri* 3array join-words ;
: parse-inches ( str -- str' )
dup [ CHAR: / = ] all? [ drop "unknown" ] [
"sea-level pressure is %s hPa" sprintf ;
: parse-lightning ( str -- str' )
- "LTG" ?head drop 2 group [ lightning at ] map " " join ;
+ "LTG" ?head drop 2 group [ lightning at ] map join-words ;
CONSTANT: re-recent-weather R/ ((\w{2})?[BE]\d{2,4}((\w{2})?[BE]\d{2,4})?)+/
: parse-recent-weather ( str -- str' )
split-recent-weather
- [ (parse-recent-weather) ] map " " join ;
+ [ (parse-recent-weather) ] map join-words ;
: parse-varying ( str -- str' )
"V" split1 [ string>number ] bi@
} cond ;
: metar-remarks ( report seq -- report )
- [ parse-remark ] map " " join >>remarks ;
+ [ parse-remark ] map join-words >>remarks ;
: <metar-report> ( metar -- report )
[ metar-report new ] dip [ >>raw ] keep
[ @ [ 65 wrap-string write ] when* ] with-cell
] with-row ; inline
+: calc-humidity ( report -- humidity/f )
+ [ dew-point>> ] [ temperature>> ] bi 2dup and [
+ [ " " split1 drop string>number ] bi@
+ [ [ 17.625 * ] [ 243.04 + ] bi / e^ ] bi@ / 100 *
+ round "%d%%" sprintf
+ ] [ 2drop f ] if ;
+
: metar-report. ( report -- )
standard-table-style [
{
[ "Temperature" [ temperature>> ] row. ]
[ "Dew point" [ dew-point>> ] row. ]
[ "Altimeter" [ altimeter>> ] row. ]
+ [ "Humidity" [ calc-humidity ] row. ]
[ "Remarks" [ remarks>> ] row. ]
[ "Raw Text" [ raw>> ] row. ]
} cleave
[ re-visibility matches? ] find-one
[ parse-visibility pick visibility<< ] when*
- [ re-rvr matches? ] find-all " " join
+ [ re-rvr matches? ] find-all join-words
[ parse-rvr ] map ", " join pick rvr<<
[ re-weather matches? ] find-all
[ re-visibility matches? ] find-one
[ parse-visibility pick visibility<< ] when*
- [ re-rvr matches? ] find-all " " join
+ [ re-rvr matches? ] find-all join-words
[ parse-rvr ] map ", " join pick rvr<<
[ re-weather matches? ] find-all
: <taf-report> ( taf -- report )
[ taf-report new ] dip [ >>raw ] keep
- string-lines [ [ blank? ] trim ] map
+ split-lines [ [ blank? ] trim ] map
rest dup first "TAF" = [ rest ] when
harvest unclip swapd taf-body swap taf-partials ;
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