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<div>Note that the current Wiki entry is here: <a href="https://github.com/mapserver/mapserver/wiki/MapServer-TILEINDEXes-with-Database-RASTERS">https://github.com/mapserver/mapserver/wiki/MapServer-TILEINDEXes-with-Database-RASTERS</a></div>
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<div>And when you do get this working, please update this for the other PostGIS users.</div>
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<div>Mike</div>
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<div>-- </div>
<div>Michael Smith</div>
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<div>US Army Corps</div>
<div>Remote Sensing GIS/Center</div>
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<span style="font-weight:bold">From: </span>"Rahkonen Jukka (Tike)" <<a href="mailto:jukka.rahkonen@mmmtike.fi">jukka.rahkonen@mmmtike.fi</a>><br>
<span style="font-weight:bold">Date: </span>Wednesday, August 20, 2014 at 6:56 AM<br>
<span style="font-weight:bold">To: </span>Dave Barter <<a href="mailto:dave.barter@gmail.com">dave.barter@gmail.com</a>>, "<a href="mailto:mapserver-users@lists.osgeo.org">mapserver-users@lists.osgeo.org</a>" <<a href="mailto:mapserver-users@lists.osgeo.org">mapserver-users@lists.osgeo.org</a>><br>
<span style="font-weight:bold">Subject: </span>[EXTERNAL] Re: [mapserver-users] Postgis Tile Index<br>
<span style="font-weight:bold">Resent-From: </span>Michael Smith <<a href="mailto:michael.smith@usace.army.mil">michael.smith@usace.army.mil</a>><br>
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<p class="MsoNormal"><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">Perhaps it is something like this (from
<a href="http://trac.osgeo.org/gdal/wiki/frmts_wtkraster.html">http://trac.osgeo.org/gdal/wiki/frmts_wtkraster.html</a>)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">“Reading raster data from the database<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">If you want to use the GDAL WKT Raster driver, you must provide a connection string as Dataset's name. The syntax of this connection
string is (the quotes may be ommitted):<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">PG:"host='<host>' port:'<port>' dbname='<dbname>' user='<user>' password='<password>' [schema='<schema>'] [table='<raster_table>'] [where='<sql_where>']
[mode='<working_mode>']"<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">I would test first by using the string for one image as DATA of your raster layer before to continue towards TILEINDEX+TILEITEM.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">-Jukka Rahkonen-<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size: 10pt; font-family: Tahoma, sans-serif;">Dave Barter wrote:<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size: 10pt; font-family: Helvetica, sans-serif;">I’ve figured this out,<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size: 10pt; font-family: Helvetica, sans-serif;"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span lang="EN-US" style="font-size: 10pt; font-family: Helvetica, sans-serif; color: black;">CREATE MATERIALIZED VIEW mapping_os_opendata_raster.streetview_tileindex AS SELECT rid as location, S</span><span style="font-size: 10pt; font-family: Helvetica, sans-serif; color: black;">T_ConvexHull(rast)
as shape from mapping_os_opendata_raster.streetview <o:p></o:p></span></p>
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<p><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"><o:p> </o:p></span></p>
<p><span style="font-size: 10pt; font-family: Helvetica, sans-serif;">“location" needs to be a path to the database/table/raster currently it is just returning an ID, but I cannot find any documentation as to how to construct this for postgres<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;">So nearly there?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"><o:p> </o:p></span></p>
<p><span style="font-size: 10pt; font-family: Helvetica, sans-serif; color: black;">On 20 August 2014 at 11:34:03, Dave Barter (<a href="mailto:dave.barter@gmail.com">dave.barter@gmail.com</a>) wrote:<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;">Final question. How should my map file look in order to get the raster tile from the database not the file system?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;">LAYER<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> # CREATE MATERIALIZED VIEW mapping_os_opendata_raster.streetview_tileindex AS SELECT rid as location, ST_ConvexHull(rast) as shape from mapping_os_opendata_raster.streetview <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> NAME streetview_tileindex<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> TYPE polygon<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> PROJECTION<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> "init=epsg:27700"<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> END<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> CONNECTIONTYPE postgis<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> CONNECTION “********"<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> DATA "shape from (SELECT shape,location FROM mapping_os_opendata_raster.streetview_tileindex) AS FOO USING UNIQUE location using srid=27700"<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> END<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> LAYER<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> #RASTER TILE LAYERS MUST RUN FROM A TILEINDEX<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> NAME streetview<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> TYPE RASTER<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> STATUS ON<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> TILEINDEX "streetview_tileindex"<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> TILEITEM "location"<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> OFFSITE 0 0 0 <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> PROJECTION<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> "init=epsg:27700"<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> END<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> DEBUG 5<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> EXTENT 0 0 3000000 1000000<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"> END<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;">This is not working as the layer street view returns an error:- <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;">msDrawMap(): Image handling error. Failed to draw layer named 'streetview'. msDrawRasterLayerLow(): Unable to access file. Corrupt, empty or missing file '654016' for layer
'street view’.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;">I set SHAPEFILE “” at the top of the file, but am unclear as to how the streetview layer will retrieve the tile ?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family: Arial, sans-serif;">-- <br>
Dave Barter<br>
<br>
Web: </span><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><a href="http://www.phased.co.uk/" target="_blank"><span style="font-size: 12pt; font-family: Arial, sans-serif;">http://www.phased.co.uk</span></a></span><span style="font-family: Arial, sans-serif;"><br>
</span><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><a href="mailto:Email%3Adave@phased.co.uk" target="_blank"><span style="font-size: 12pt; font-family: Arial, sans-serif;">Email:dave@phased.co.uk</span></a></span><span style="font-family: Arial, sans-serif;"><br>
Twitter:@Citizenfishy</span><span style="font-size: 10pt; font-family: Helvetica, sans-serif;"><o:p></o:p></span></p>
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