Newsgroups: info.grass.user
Path: zorro.cecer.army.mil!shapiro
From: shapiro@zorro.cecer.army.mil (Michael Shapiro)
Subject: Re: flipped region
Message-ID: <C253FL.724@news.cecer.army.mil>
Sender: news@news.cecer.army.mil (Net.Noise owner)
Organization: US Army Corps of Engineers Construction Engineering Research Labs
References: <9301251656.AA25394@bnlux1.bnl.gov>
Date: Mon, 8 Feb 1993 17:04:33 GMT
Lines: 39
In <9301251656.AA25394@bnlux1.bnl.gov> daum@bnlux1.bnl.gov (mary l. daum) writes:
I tested the region settings n=90n s=90s w=100e e=160w and the map
that was displayed had the tip of Alaska in the upper right corner,
australia in the center near the bottom, and indonesia (or parts of it)
at the right. The problem you might have is the need to do a d.erase after
setting the region. The graphics display has its own region which doens't
change with g.region unless you run d.erase after g.region. Please try
this and let me know if you still have problems.
GRASS doesn't use spherical coordinates for lat/lon. It use the longitide as
the x coordinate, latitude as the y coordinate. But it does "turn the globe"
so to speak, so what you request as the west edge should show up on the left
and the east edge on the right.
as
To global-scale GRASS users, a question:
I want to define a region in the western Pacific Ocean. The western
boundary runs through Indonesia (about 110 deg. E); the eastern
boundary just captures Hawaii (about 160 deg. W). When I define
a new mapset with these boundaries, GRASS is happy to accept them,
but when the map is displayed, Hawaii is lurking in the upper LEFT
corner and Indonesia, the Philippines (etc) are crowded into the
RIGHT side of the map, with a big blank area in between. If it
matters, the map is vector lat/long, imported by v.in.arc.
Any good ideas out there about how to get Hawaii in the east and
the Asian islands in the west?
Thanks -- Mary
Mary Daum
Brookhaven National Laboratory
daum@bnlux1.bnl.gov
--
Michael Shapiro U.S. Army CERL
Environmental Division