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map_set issue [message #77902]

Tue, 27 September 2011 08:05

Reimar Bauer
Messages: 14
Registered: August 2002

Junior Member

Hi

another edge case with projections and wanted output - or not.

pro map_problem
p0lat = 0
p0lon = 180
rot = 0
struct=create_struct('CON_COLOR', 12, $
'MLINETHICK', 2, $
'MLINESTYLE', 0, $
'E_CONTINENTS', create_struct('FILL_CONTINENTS', 1,
'COLOR', 12), $
'ISOTROPIC', 0, $
'CENTRAL_AZIMUTH', 0.E, $
'CLIP', 1, $
'CONTINENTS', 1, $
'HIRES', 0, $
'NOERASE', 0, $
'NOBORDER', 0, $
'CHARSIZE', 1.1894189E, $
'POSITION', [0.067340069E,0.2857143E,0.80808079E,
0.80238092E], $
'LIMIT', [0.0E,-180E,90.E, 180E], $
'CYLINDRICAL', 1, $
'title', '' )

map_set, p0lat, p0lon, rot, _extra=struct , grid=0
; "Greenwich, London"
plots, 0, 51.48, psym=1, symsize=0.5

; "Sri Lanka"
plots, 80.84, 7.36, psym=1, symsize=0.5

END

No warning, no error message, just more water than expected or england
smaller than sri lanka.

If one changes p0lon to 177 it looks better. But don't try it with clip=0.

cheers
Reimar

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