[Mapserver-users] PLEASE HELP...

Thu May 22 09:56:52 PDT 2003

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Thanks for your reply!
=20
However, I have done all that you mentioned. =20
=20
Here is the entry in my map file:
=20
CONNECTIONTYPE oraclespatial
CONNECTION 'user/password at db'
DATA "LatLongPoint from CRHP_SPATIAL"
=20
There is definitely data in the table.  Like I said there are no errors
but the data does not display on my map.
=20
I am retrieving the whole table just to see if I can display anything
right now.
=20
Any other ideas as to why my data won't display?
=20
Cheers,
=20
Richard
=20
-----Original Message-----
From: Smith, Michael ERDC-CRREL-NH
[mailto:Michael.Smith at erdc.usace.army.mil]=20
Sent: Thursday, May 22, 2003 11:17 AM
To: Becher, Richard; Mapserver-users at lists.gis.umn.edu
Subject: RE: [Mapserver-users] PLEASE HELP...
=20
Richard,=20
=20
Mapserver needs to be compiled with the oracle libraries
=20
i.e. --with-oraclespatial =3D /path/to/oracle/home
=20
Then, in the map file use=20
=20
 CONNECTIONTYPE oraclespatial
 CONNECTION 'user/password at tnsname' <mailto:'user/password at tnsname'>=20
 DATA 'sdo_geometry_column FROM tablename'
=20
I've also found that if you use this format for the DATA line, that
mapserver will only select data with the extents of you map view, if you
use 'sdo_geom_col from (select * from tablename)' which is also valid,
on every redraw you will be retrieving the entire data table and not
using a spatial index.
=20
You do not have to use OGR to access Oracle. OGR is slower at this point
but does support more features (attribute queries mainly).=20
=20
Another importtant point is to increase the ARRAY_SIZE in the
maporaclespatial.c code. By default, it is set at 1, but we get much,
much faster performance by increasing the ARRAY_SIZE to 500 or 1000.
Basically this allows mapserver to send 500 ot 1000 rows at a time.=20
=20
Mike Smith=20
email: michael.smith at erdc.usace.army.mil=20
RSGISC=20
ERDC - CRREL=20
Hanover, NH  03755=20
(603) 646-4765=20
	-----Original Message-----
	From: Becher, Richard [mailto:RichardBecher at SierraSystems.com]=20
	Sent: Thursday, May 22, 2003 10:17 AM
	To: Mapserver-users at lists.gis.umn.edu
	Subject: [Mapserver-users] PLEASE HELP...
	Importance: High
	I have not been able to get a response on how to display data
using Mapserver from Oracle.
	=20
	I have created a connection to my Oracle db and I do not get any
errors.
	=20
	However, the data does not display.
	=20
	I was told that I can't do this direct connection to Oracle and
that I have to use OGR.
	=20
	Can someone please confirm this and give me any help on how to
simply display data from my Oracle database using Mapserver?
	=20
	Any help would be GREATLY appreciated.
	=20
	Cheers,
	=20
	Richard Becher
	Sierra Systems
	130 Slater Street, Suite 800
	Ottawa, Ontario K1P 6E2
	Phone: 613.236.7888, Extension: 350
	Fax: 613.236.9333
	Email: RichardBecher at SierraSystems.com
	www.SierraSystems.com <http://www.sierrasystems.com/>=20
	=20
	=20

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<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Thanks for your =
reply!<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>However, I have done all that you
mentioned.<span style=3D'mso-spacerun:yes'>  =
</span><o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Here is the entry in my map =
file:<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=3DMsoNormal =
style=3D'mso-layout-grid-align:none;text-autospace:none'><font
size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;font-family:"Courier New"'>CONNECTIONTYPE
<span class=3DSpellE>oraclespatial</span><o:p></o:p></span></font></p>

<p class=3DMsoNormal =
style=3D'mso-layout-grid-align:none;text-autospace:none'><font
size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;font-family:"Courier New"'>CONNECTION
'user/<span =
class=3DSpellE>password at db</span>'<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;
font-family:"Courier New"'>DATA "<span =
class=3DSpellE>LatLongPoint</span>
from CRHP_SPATIAL"<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;
font-family:"Courier New"'><o:p> </o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;
font-family:"Courier New"'>There is definitely data in the table.<span
style=3D'mso-spacerun:yes'>  </span>Like I said there are no errors =
but</span></font><font
size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial;
color:navy'> </span></font><font size=3D2 face=3D"Courier New"><span
style=3D'font-size:10.0pt;font-family:"Courier New"'>the data does not =
display on
my map.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;
font-family:"Courier New"'><o:p> </o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;
font-family:"Courier New"'>I am retrieving the whole table just to see =
if I can
display anything right now.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;
font-family:"Courier New"'><o:p> </o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;
font-family:"Courier New"'>Any other ideas as to why my data won’t
display?<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;
font-family:"Courier New"'><o:p> </o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;
font-family:"Courier New"'>Cheers,<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;
font-family:"Courier New"'><o:p> </o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;
font-family:"Courier New"'>Richard<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3DTahoma><span
style=3D'font-size:10.0pt;font-family:Tahoma'>-----Original =
Message-----<br>
<b><span style=3D'font-weight:bold'>From:</span></b> Smith, Michael =
ERDC-CRREL-NH
[mailto:Michael.Smith at erdc.usace.army.mil] <br>
<b><span style=3D'font-weight:bold'>Sent:</span></b> =
</span></font><st1:date
Month=3D"5" Day=3D"22" Year=3D"2003"><font size=3D2 face=3DTahoma><span =
style=3D'font-size:
 10.0pt;font-family:Tahoma'>Thursday, May 22, =
2003</span></font></st1:date><font
size=3D2 face=3DTahoma><span =
style=3D'font-size:10.0pt;font-family:Tahoma'> </span></font><st1:time
Hour=3D"11" Minute=3D"17"><font size=3D2 face=3DTahoma><span =
style=3D'font-size:10.0pt;
 font-family:Tahoma'>11:17 AM</span></font></st1:time><font size=3D2 =
face=3DTahoma><span
style=3D'font-size:10.0pt;font-family:Tahoma'><br>
<b><span style=3D'font-weight:bold'>To:</span></b> Becher, Richard;
Mapserver-users at lists.gis.umn.edu<br>
<b><span style=3D'font-weight:bold'>Subject:</span></b> RE: =
[Mapserver-users]
PLEASE HELP...</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'><o:p> </o:p></span></font></p>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
color=3Dblue face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;color:blue'>Richard, =
</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'> <o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
color=3Dblue face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;color:blue'>Mapserver needs =
to be
compiled with the oracle libraries</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'> <o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
color=3Dblue face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;color:blue'>i.e. =
--with-oraclespatial
=3D /path/to/oracle/home</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'> <o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
color=3Dblue face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;color:blue'>Then, in the map =
file use
</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'> <o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
color=3Dblue face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;color:blue'> CONNECTIONT=
YPE
oraclespatial<br>
 CONNECTION '<a =
href=3D"mailto:'user/password at tnsname'">user/password at tnsname'</a><br>
 DATA 'sdo_geometry_column FROM =
tablename'</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'> <o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
color=3Dblue face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;color:blue'>I've also found =
that if
you use this format for the DATA line, that mapserver will only select =
data
with the extents of you map view, if you use 'sdo_geom_col from (select =
* from
tablename)' which is also valid, on every redraw you will be retrieving =
the
entire data table and not using a spatial =
index.</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'> <o:p></o:p></span></font></p>

</div>

<div>

You do not have =
to use
OGR to access Oracle. OGR is slower at this point but does support more
features (attribute queries mainly). <o:p></o:p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'> <o:p></o:p></span></font></p>

</div>

<div>

Another =
importtant point
is to increase the ARRAY_SIZE in the maporaclespatial.c code. By =
default, it is
set at 1, but we get much, much faster performance by increasing the =
ARRAY_SIZE
to 500 or 1000. Basically this allows mapserver to send 500 ot 1000 rows =
at a
time. <o:p></o:p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'> <o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D1 =
face=3DArial><span
style=3D'font-size:7.5pt;font-family:Arial'>Mike Smith</span></font> =
<br>
<font size=3D1 face=3DArial><span =
style=3D'font-size:7.5pt;font-family:Arial'>email:
michael.smith at erdc.usace.army.mil</span></font> <br>
<font size=3D1 face=3DArial><span =
style=3D'font-size:7.5pt;font-family:Arial'>RSGISC</span></font>
<br>
<font size=3D1 face=3DArial><span =
style=3D'font-size:7.5pt;font-family:Arial'>ERDC -
CRREL </span></font><br>
<font size=3D1 face=3DArial><span =
style=3D'font-size:7.5pt;font-family:Arial'>Hanover,
NH  03755</span></font> <br>
<font size=3D1 face=3DArial><span =
style=3D'font-size:7.5pt;font-family:Arial'>(603)
646-4765</span></font> <o:p></o:p></p>

</div>

<blockquote =
style=3D'margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'>

<p class=3DMsoNormal =
style=3D'mso-margin-top-alt:0in;margin-right:0in;margin-bottom:
12.0pt;margin-left:.5in'><font size=3D2 face=3DTahoma><span =
style=3D'font-size:10.0pt;
font-family:Tahoma'>-----Original Message-----<br>
<b><span style=3D'font-weight:bold'>From:</span></b> Becher, Richard
[mailto:RichardBecher at SierraSystems.com] <br>
<b><span style=3D'font-weight:bold'>Sent:</span></b> =
</span></font><st1:date
Month=3D"5" Day=3D"22" Year=3D"2003"><font size=3D2 face=3DTahoma><span =
style=3D'font-size:
 10.0pt;font-family:Tahoma'>Thursday, May 22, =
2003</span></font></st1:date><font
size=3D2 face=3DTahoma><span =
style=3D'font-size:10.0pt;font-family:Tahoma'> </span></font><st1:time
Hour=3D"10" Minute=3D"17"><font size=3D2 face=3DTahoma><span =
style=3D'font-size:10.0pt;
 font-family:Tahoma'>10:17 AM</span></font></st1:time><font size=3D2 =
face=3DTahoma><span
style=3D'font-size:10.0pt;font-family:Tahoma'><br>
<b><span style=3D'font-weight:bold'>To:</span></b> =
Mapserver-users at lists.gis.umn.edu<br>
<b><span style=3D'font-weight:bold'>Subject:</span></b> =
[Mapserver-users] PLEASE
HELP...<br>
<b><span style=3D'font-weight:bold'>Importance:</span></b> =
High</span></font><o:p></o:p></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'>I have not been able to get =
a
response on how to display data using Mapserver from =
Oracle.<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'><o:p> </o:p></span></fo=
nt></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'>I have created a connection =
to my Oracle
db and I do not get any errors.<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'><o:p> </o:p></span></fo=
nt></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'>However, the data does not =
display.<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'><o:p> </o:p></span></fo=
nt></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'>I was told that I can't do =
this
direct connection to Oracle and that I have to use =
OGR.<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'><o:p> </o:p></span></fo=
nt></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'>Can someone please confirm =
this and
give me any help on how to simply display data from my Oracle database =
using
Mapserver?<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'><o:p> </o:p></span></fo=
nt></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'>Any help would be GREATLY
appreciated.<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'><o:p> </o:p></span></fo=
nt></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'>Cheers,<o:p></o:p></span></f=
ont></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'><o:p> </o:p></span></fo=
nt></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><strong><b><font =
size=3D3
color=3Dgreen face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;color:green;
mso-no-proof:yes'>Richard =
Becher<o:p></o:p></span></font></b></strong></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><em><b><i><font size=3D3 =
color=3Dgreen
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;color:green;font-weight:
bold;mso-no-proof:yes'>Sierra Systems</span></font></i></b></em><b><font
color=3Dgreen><span =
style=3D'color:green;font-weight:bold;mso-no-proof:yes'><br>
</span></font></b><st1:Street><st1:address><font size=3D2 =
color=3Dnavy><span
  style=3D'font-size:10.0pt;color:navy;mso-no-proof:yes'>130 Slater
  Street, Suite 800</span></font></st1:address></st1:Street><font
color=3Dnavy><span style=3D'color:navy;mso-no-proof:yes'><br>
</span></font><st1:place><st1:City><font size=3D2 color=3Dnavy><span
  =
style=3D'font-size:10.0pt;color:navy;mso-no-proof:yes'>Ottawa</span></fon=
t></st1:City><font
 size=3D2 color=3Dnavy><span =
style=3D'font-size:10.0pt;color:navy;mso-no-proof:yes'>,
 </span></font><st1:State><font size=3D2 color=3Dnavy><span =
style=3D'font-size:10.0pt;
  color:navy;mso-no-proof:yes'>Ontario</span></font></st1:State><font =
size=3D2
 color=3Dnavy><span =
style=3D'font-size:10.0pt;color:navy;mso-no-proof:yes'> =
</span></font><st1:PostalCode><font
  size=3D2 color=3Dnavy><span =
style=3D'font-size:10.0pt;color:navy;mso-no-proof:yes'>K1P
  6E2</span></font></st1:PostalCode></st1:place><font color=3Dnavy><span
style=3D'color:navy;mso-no-proof:yes'><br>
</span></font><font size=3D2 color=3Dnavy><span =
style=3D'font-size:10.0pt;color:navy;
mso-no-proof:yes'>Phone: 613.236.7888, Extension: 350</span></font><font
size=3D2 color=3Dnavy><span =
style=3D'font-size:10.0pt;color:navy'><o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
color=3Dnavy
face=3D"Times New Roman"><span =
style=3D'font-size:10.0pt;color:navy;mso-no-proof:
yes'>Fax: 613.236.9333</span></font><font color=3Dnavy><span =
style=3D'color:navy;
mso-no-proof:yes'><br>
</span></font><font size=3D2 color=3Dnavy><span =
style=3D'font-size:10.0pt;color:navy;
mso-no-proof:yes'>Email: =
RichardBecher at SierraSystems.com</span></font><font
color=3Dnavy><span style=3D'color:navy;mso-no-proof:yes'><br>
</span></font><font size=3D2 color=3Dnavy><span =
style=3D'font-size:10.0pt;color:navy;
mso-no-proof:yes'><a =
href=3D"http://www.sierrasystems.com/">www.SierraSystems.com</a></span></=
font><span
style=3D'mso-no-proof:yes'><o:p></o:p></span></p>

<p class=3DMsoAutoSig style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt;mso-no-proof:yes'><o:p> </o:p></span></fon=
t></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'><o:p> </o:p></span></font></p>

</blockquote>

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