No subject
Fri Feb 8 15:06:04 EST 2008
version 9.2, but will in fact be enhanced.=20
More information about ESRI's plans is available here:
=20
http://www.esri.com/news/arcnews/summer05articles/managing-spatial-data.htm=
l
The new format they are creating, the 'file-based geodatabase' is=20
advertised as being very similar in function to the old geodatabase, but it=
=20
is something quite different in structure. The rumours I've heard are that=
=20
it is not just a departure from an MS Access backbone, but involves semanti=
c=20
networks for storing and linking data instead of an RDBMS.=20
Basic information about semantic networks can be found here:
http://en.wikipedia.org/wiki/Semantic_network
In fact the file size limit ESRI mentions of MS Access may soon be moot as=
=20
MS is changing to a SQL Server engine for Access which won't have the limit=
.=20
Any limit remaining will be on ESRI's side.
My very very small knowledge (and great ignorance) of semantic networks=20
tells me that the new format may require a lot of effort to setup from=20
scratch for a new dataset, and that at the least the old geodatabases will=
=20
still be used as an easier pathway to get data into the new format. Besides=
,=20
didnt they say coverages were dead when geodatabases came out?=20
One of our employees is currently at an ESRI conference in San Diego, and=
=20
is trying to find out more for us about which way the 800 pound gorilla wil=
l=20
jump.
Please respond if you are still interested in seeing development of a=20
MapServer personal geodatabase connection go ahead. If enough parties are=
=20
willing to contribute to the funding it will be cheap enough that we won't=
=20
need to be concerned about the new format.
Cheers,
Ken Lord
BGC Engineering Inc
Vancouver BC
------=_Part_10425_33328463.1122398366596
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline
<div>Hi List,</div>
<div> </div>
<div>I'm back from my holidays ... with many bottles of BC Okanagen wine, a=
nd a wicked farmer's tan.</div>
<div> </div>
<div>I would like to know if interest has increased or waned for the idea o=
f developing a way for MapServer to read from ESRI personal geodatabases.<b=
r clear=3D"all"></div>
<div>From what I understand, the ESRI personal geodatabase will not die wit=
h version 9.2, but will in fact be enhanced. </div>
<div> </div>
<div>More information about ESRI's plans is available here:</div>
<div> </div>
<div><a href=3D"http://www.esri.com/news/arcnews/summer05articles/managing-=
spatial-data.html">http://www.esri.com/news/arcnews/summer05articles/managi=
ng-spatial-data.html</a></div>
<div> </div>
<div>The new format they are creating, the 'file-based geodatabase' is adve=
rtised as being very similar in function to the old geodatabase, but it&nbs=
p;is something quite different in structure. The rumours I've heard&n=
bsp;are that it is not just a departure from an MS Access backbone, but inv=
olves semantic networks for storing and linking data instead of a=
n RDBMS. =20
</div>
<div> </div>
<div>Basic information about semantic networks can be found here:</div>
<div> </div>
<div><a href=3D"http://en.wikipedia.org/wiki/Semantic_network">http://en.wi=
kipedia.org/wiki/Semantic_network</a></div>
<div> </div>
<div>In fact the file size limit ESRI mentions of MS Access may soon b=
e moot as MS is changing to a SQL Server engine for Access which won't have=
the limit. Any limit remaining will be on ESRI's side.</div>
<div> </div>
<div>My very very small knowledge (and great ignorance) of semantic network=
s tells me that the new format may require a lot of effort to setup from sc=
ratch for a new dataset, and that at the least the old geodatabases wi=
ll still be used as an easier pathway to get data into the new format. Besi=
des, didnt they say coverages were dead when geodatabases came out?=20
</div>
<div> </div>
<div>One of our employees is currently at an ESRI conference in San Diego, =
and is trying to find out more for us about which way the 800 pound gorilla=
will jump.</div>
<div> </div>
<div>Please respond if you are still interested in seeing development of a =
MapServer personal geodatabase connection go ahead. If enough pa=
rties are willing to contribute to the funding it will be cheap enough=
that we won't need to be concerned about the new format.
</div>
<div> </div>
<div>Cheers,<br>Ken Lord</div>
<div>BGC Engineering Inc</div>
<div>Vancouver BC</div>
<div> </div>
------=_Part_10425_33328463.1122398366596--
More information about the mapserver-users
mailing list