Re: [postgis-users] advice for quicker display?

2012-02-15 Thread Stephen Woodbridge
: Re: [postgis-users] advice for quicker display? Actually it does NOT exist in the sub-query. Mapserver modifies the query because it needs the label text. So you sub-query needs to have ALL potential columns that you might need explicitly referenced. DATA "the_geom from (select gid, map_b

Re: [postgis-users] advice for quicker display?

2012-02-15 Thread Bistrais, Bob
: postgis-users-boun...@postgis.refractions.net [mailto:postgis-users-boun...@postgis.refractions.net] On Behalf Of Stephen Woodbridge Sent: Wednesday, February 15, 2012 3:06 PM To: postgis-users@postgis.refractions.net Subject: Re: [postgis-users] advice for quicker display? Actually it does NOT exist

Re: [postgis-users] advice for quicker display?

2012-02-15 Thread Stephen Woodbridge
om out again. -Original Message- From: postgis-users-boun...@postgis.refractions.net [mailto:postgis-users-boun...@postgis.refractions.net] On Behalf Of Sandro Santilli Sent: Wednesday, February 15, 2012 2:50 PM To: PostGIS Users Discussion Subject: Re: [postgis-users] advice for quicker display

Re: [postgis-users] advice for quicker display?

2012-02-15 Thread Bistrais, Bob
oun...@postgis.refractions.net [mailto:postgis-users-boun...@postgis.refractions.net] On Behalf Of Sandro Santilli Sent: Wednesday, February 15, 2012 2:50 PM To: PostGIS Users Discussion Subject: Re: [postgis-users] advice for quicker display? On Wed, Feb 15, 2012 at 02:26:19PM -0500, Bistrais, Bob

Re: [postgis-users] advice for quicker display?

2012-02-15 Thread Sandro Santilli
strk; > > > -Original Message- > From: postgis-users-boun...@postgis.refractions.net > [mailto:postgis-users-boun...@postgis.refractions.net] On Behalf Of Stephen > Woodbridge > Sent: Wednesday, February 15, 2012 12:26 PM > To: postgis-users@postgis.refractions.

Re: [postgis-users] advice for quicker display?

2012-02-15 Thread Bistrais, Bob
-although the column gid does exist. -Original Message- From: postgis-users-boun...@postgis.refractions.net [mailto:postgis-users-boun...@postgis.refractions.net] On Behalf Of Stephen Woodbridge Sent: Wednesday, February 15, 2012 12:26 PM To: postgis-users@postgis.refractions.net Subject: Re: [postgi

Re: [postgis-users] advice for quicker display?

2012-02-15 Thread Stephen Woodbridge
tgis.refractions.net] *On Behalf Of *Juan Marín Otero *Sent:* Tuesday, February 14, 2012 3:13 PM *To:* PostGIS Users Discussion *Subject:* Re: [postgis-users] advice for quicker display? You can find the documentation here. Also look at ST_SimplifyPreserveTopology, might be better depending on how str

Re: [postgis-users] advice for quicker display?

2012-02-15 Thread Bistrais, Bob
m Sent: Tuesday, February 14, 2012 2:44 PM To: PostGIS Users Discussion Subject: Re: [postgis-users] advice for quicker display? Also, In Postgis you can use the ST_Simplfy() function in mapserver zoom (scale dependent) layers. So you have one dataset, and as you zoom out you display features

Re: [postgis-users] advice for quicker display?

2012-02-14 Thread Stephen Woodbridge
Sent: Tuesday, February 14, 2012 2:26 PM To: 'PostGIS Users Discussion' Subject: Re: [postgis-users] advice for quicker display? To expand on that, the basic understanding is that file level access to data (e.g. shapefile) will always be faster for the entire dataset (all things b

Re: [postgis-users] advice for quicker display?

2012-02-14 Thread Juan Marín Otero
; *Sent:* Tuesday, February 14, 2012 2:44 PM > *To:* PostGIS Users Discussion > *Subject:* Re: [postgis-users] advice for quicker display? > > ** ** > > Also, > > In Postgis you can use the ST_Simplfy() function in mapserver zoom (scale > dependent) layers. So you hav

Re: [postgis-users] advice for quicker display?

2012-02-14 Thread Bistrais, Bob
, February 14, 2012 2:44 PM To: PostGIS Users Discussion Subject: Re: [postgis-users] advice for quicker display? Also, In Postgis you can use the ST_Simplfy() function in mapserver zoom (scale dependent) layers. So you have one dataset, and as you zoom out you display features represented by

Re: [postgis-users] advice for quicker display?

2012-02-14 Thread pcreso
That is the name you are giving the index. It is good practice for the name to include the table & column(s) the index applies to in the name you give it. --- On Wed, 2/15/12, Bistrais, Bob wrote: From: Bistrais, Bob Subject: Re: [postgis-users] advice for quicker display? T

Re: [postgis-users] advice for quicker display?

2012-02-14 Thread pcreso
r than a file streaming from disk. Note that on good hardware with an well optimised database even this difference can be minimised. Cheers,    Brent Wood --- On Wed, 2/15/12, Stephen Woodbridge wrote: From: Stephen Woodbridge Subject: Re: [postgis-users] advice for quicker display? To:

Re: [postgis-users] advice for quicker display?

2012-02-14 Thread Bistrais, Bob
[mailto:postgis-users-boun...@postgis.refractions.net] On Behalf Of Stephen V. Mather Sent: Tuesday, February 14, 2012 2:26 PM To: 'PostGIS Users Discussion' Subject: Re: [postgis-users] advice for quicker display? To expand on that, the basic understanding is that file level access to

Re: [postgis-users] advice for quicker display?

2012-02-14 Thread Stephen V. Mather
stgis-users-boun...@postgis.refractions.net] On Behalf Of Stephen Woodbridge Sent: Tuesday, February 14, 2012 2:15 PM To: postgis-users@postgis.refractions.net Subject: Re: [postgis-users] advice for quicker display? On 2/14/2012 1:57 PM, Bistrais, Bob wrote: > As some of you already know, I'

Re: [postgis-users] advice for quicker display?

2012-02-14 Thread Stephen Woodbridge
On 2/14/2012 1:57 PM, Bistrais, Bob wrote: As some of you already know, I’m a newbie to PostGIS and have just barely got a test PostGIS database up and running. So, my latest question is in regards to draw times. I created a statewide parcel layer from a shapefile. At statewide scale, when the ap

Re: [postgis-users] advice for quicker display?

2012-02-14 Thread Puneet Kishor
On Feb 14, 2012, at 12:57 PM, Bistrais, Bob wrote: > As some of you already know, I'm a newbie to PostGIS and have just > barely got a test PostGIS database up and running. So, my latest > question is in regards to draw times. I created a statewide parcel > layer from a shapefile. At statewide

[postgis-users] advice for quicker display?

2012-02-14 Thread Bistrais, Bob
As some of you already know, I'm a newbie to PostGIS and have just barely got a test PostGIS database up and running. So, my latest question is in regards to draw times. I created a statewide parcel layer from a shapefile. At statewide scale, when the application loads, the parcel data draws far