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<p><font face="Arial">Hello fellow OSMers</font></p>
<p><font face="Arial">A hopefully straightforward newbie question
for you...</font></p>
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<p style="margin: 0px 0px 20px; padding: 0px; border: 0px none;
font-size: 14px; color: rgb(34, 34, 34); font-style: normal;
font-variant: normal; font-weight: normal; letter-spacing: normal;
line-height: 23px; text-align: left; text-indent: 0px;
text-transform: none; white-space: normal; word-spacing: 0px;
background-color: rgb(255, 255, 255);"><font face="Arial">I'm
currently uploading various new polygons via shapefiles created
in Quantum GIS. These use the WGS84 (EPSG:4326) projection,
which Quantum defines as:</font></p>
<p style="margin: 0px 0px 20px; padding: 0px; border: 0px none;
font-size: 14px; color: rgb(34, 34, 34); font-style: normal;
font-variant: normal; font-weight: normal; letter-spacing: normal;
line-height: 23px; text-align: left; text-indent: 0px;
text-transform: none; white-space: normal; word-spacing: 0px;
background-color: rgb(255, 255, 255);"><font face="Arial">+proj=longlat
+ellps=WGS84 +datum=WGS84 +no_defs +towgs84=0,0,0<br>
</font></p>
<p style="margin: 0px 0px 20px; padding: 0px; border: 0px none;
font-size: 14px; color: rgb(34, 34, 34); font-style: normal;
font-variant: normal; font-weight: normal; letter-spacing: normal;
line-height: 23px; text-align: left; text-indent: 0px;
text-transform: none; white-space: normal; word-spacing: 0px;
background-color: rgb(255, 255, 255);"><font face="Arial">A fellow
mapper is doing similar, great stuff mapping administrative
boundaries (Parishes etc) from Ordnance Survey, and setting the
projection with the following parameters:<br>
<span style="color: rgb(34, 34, 34); font-size: 14px;
font-style: normal; font-variant: normal; font-weight: normal;
letter-spacing: normal; line-height: 23px; text-align: left;
text-indent: 0px; text-transform: none; white-space: normal;
word-spacing: 0px; background-color: rgb(255, 255, 255);
display: inline ! important; float: none;"><br>
+proj=longlat +ellps=WGS84 +datum=WGS84 +zone=30 +no_defs<br>
</span></font>
<meta charset="utf-8">
</p>
<p style="margin: 0px 0px 20px; padding: 0px; border: 0px none;
font-size: 14px; color: rgb(34, 34, 34); font-style: normal;
font-variant: normal; font-weight: normal; letter-spacing: normal;
line-height: 23px; text-align: left; text-indent: 0px;
text-transform: none; white-space: normal; word-spacing: 0px;
background-color: rgb(255, 255, 255);"><font face="Arial">Because
of the different parameters (i.e. I have +towgs84=0,0,0, and he
has <span style="color: rgb(34, 34, 34); font-size: 14px;
font-style: normal; font-variant: normal; font-weight: normal;
letter-spacing: normal; line-height: 23px; text-align: left;
text-indent: 0px; text-transform: none; white-space: normal;
word-spacing: 0px; background-color: rgb(255, 255, 255);
display: inline ! important; float: none;">+zone=30), there is
a slight offset in data we are creating in the same areas. <br>
</span></font></p>
<p><font face="Arial"><span style="color: rgb(34, 34, 34);
font-size: 14px; font-style: normal; font-variant: normal;
font-weight: normal; letter-spacing: normal; line-height:
23px; text-align: left; text-indent: 0px; text-transform:
none; white-space: normal; word-spacing: 0px;
background-color: rgb(255, 255, 255); display: inline !
important; float: none;">The question is: which one of us is
correct?</span></font></p>
<p><span style="color: rgb(34, 34, 34); font-family: 'Helvetica
Neue', Arial, sans-serif; font-size: 14px; font-style: normal;
font-variant: normal; font-weight: normal; letter-spacing:
normal; line-height: 23px; orphans: auto; text-align: left;
text-indent: 0px; text-transform: none; white-space: normal;
widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto;
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255,
255); display: inline !important; float: none;"></span></p>
<p style="margin: 0px 0px 20px; padding: 0px; border: 0px;
font-size: 14px; color: rgb(34, 34, 34); font-family: 'Helvetica
Neue', Arial, sans-serif; font-style: normal; font-variant:
normal; font-weight: normal; letter-spacing: normal; line-height:
23px; orphans: auto; text-align: left; text-indent: 0px;
text-transform: none; white-space: normal; widows: auto;
word-spacing: 0px; -webkit-text-size-adjust: auto;
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255,
255);"><span style="color: rgb(34, 34, 34); font-family:
'Helvetica Neue', Arial, sans-serif; font-size: 14px;
font-style: normal; font-variant: normal; font-weight: normal;
letter-spacing: normal; line-height: 23px; orphans: auto;
text-align: left; text-indent: 0px; text-transform: none;
white-space: normal; widows: auto; word-spacing: 0px;
-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;
background-color: rgb(255, 255, 255); display: inline
!important; float: none;">Thanks for your help<br>
</span></p>
<p style="margin: 0px 0px 20px; padding: 0px; border: 0px;
font-size: 14px; color: rgb(34, 34, 34); font-family: 'Helvetica
Neue', Arial, sans-serif; font-style: normal; font-variant:
normal; font-weight: normal; letter-spacing: normal; line-height:
23px; orphans: auto; text-align: left; text-indent: 0px;
text-transform: none; white-space: normal; widows: auto;
word-spacing: 0px; -webkit-text-size-adjust: auto;
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255,
255);"><span style="color: rgb(34, 34, 34); font-family:
'Helvetica Neue', Arial, sans-serif; font-size: 14px;
font-style: normal; font-variant: normal; font-weight: normal;
letter-spacing: normal; line-height: 23px; orphans: auto;
text-align: left; text-indent: 0px; text-transform: none;
white-space: normal; widows: auto; word-spacing: 0px;
-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;
background-color: rgb(255, 255, 255); display: inline
!important; float: none;">Steve Peters (aka SemanticTourist)<br>
</span><span style="color: rgb(34, 34, 34); font-family:
'Helvetica Neue', Arial, sans-serif; font-size: 14px;
font-style: normal; font-variant: normal; font-weight: normal;
letter-spacing: normal; line-height: 23px; orphans: auto;
text-align: left; text-indent: 0px; text-transform: none;
white-space: normal; widows: auto; word-spacing: 0px;
-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;
background-color: rgb(255, 255, 255); display: inline
!important; float: none;"></span></p>
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