[maplab-users] ODBC -OGR Connection - OVF file- MapLab

Zak James zak4ms at gmail.com
Fri Dec 17 08:59:35 EST 2004


Aldo,

To rule out any ovf file location issue, try putting the entire
contents of the ovf file in the mapfile CONNECTION in place of the
filename.

zak

On Fri, 17 Dec 2004 09:48:16 +0100, Aldo Tocchio
<a.tocchio at arpa.piemonte.it> wrote:
> 
> After MapEdit, I use MapBrowser and I see the words  "Loading
> map.......please wait", then I have the following error msg:
> 
> DrawMap: MapServer OGR Error: Open failed for OGR connection
> `Tbl_maplab.ovf'. File not found or unsupported format. in
> /maplab/common/wrapper/drawmap.php
> DrawMap: MapServer Image Error: Failed to draw layer named 'Tbl_maplab'.
> in /maplab/common/wrapper/drawmap.php
> DrawMap: MapServer OGR Error: Open failed for OGR connection
> `Tbl_maplab.ovf'. File not found or unsupported format. in
> /maplab/common/wrapper/drawmap.php
> DrawMap: MapServer Image Error: Failed to draw layer named 'Tbl_maplab'.
> in /maplab/common/wrapper/drawmap.php
> 
> Aldo
> 
> Jeff McKenna ha scritto:
> 
> > ok so what are the exact errors when using this modified mapfile?
> >
> > jeff
> >
> >
> >
> >
> > Aldo Tocchio wrote:
> >
> >> Thanks jeff for your reply.
> >>
> >>
> >> So I have the following configure:
> >>
> >> Project:
> >> C:\ms4w\apps\maplab-2.2\SIT_BIELLA in this folder there are the
> >> following subfolders:
> >> -data (with ovf file: Tbl_maplab.ovf)
> >> -image
> >> -etc
> >> and the map file: "SIT-BIELLA"
> >>
> >> the map file   is:
> >>      MAP
> >>  NAME "SIT-BIELLA"
> >>  STATUS ON
> >>  EXTENT 402022.59625 5025297.5 458531.3725 5067615.5
> >>  SIZE 400 300
> >>  SHAPEPATH "./data"
> >>  SYMBOLSET "./etc/symbols.sym"
> >>  FONTSET "./etc/fonts.txt"
> >>  IMAGETYPE png
> >>  IMAGECOLOR 255 255 255
> >>  UNITS METERS
> >>  WEB
> >>    MINSCALE 100
> >>    MAXSCALE 400000
> >>    IMAGEPATH "/ms4w/tmp/ms_tmp/"
> >>    IMAGEURL "/ms_tmp/"
> >>  END
> >>  QUERYMAP
> >>    STATUS OFF
> >>    SIZE -1 -1
> >>    COLOR 255 255 0
> >>    STYLE HILITE
> >>  END
> >>  LEGEND
> >>    STATUS OFF
> >>    IMAGECOLOR 255 255 255
> >>    POSITION LL
> >>    KEYSIZE 20 10
> >>    KEYSPACING 5 5
> >>    TEMPLATE
> >> "C:/ms4w/apps/maplab-2.2/htdocs/mapbrowser/legend_template.html"
> >>    LABEL
> >>      TYPE BITMAP
> >>      SIZE MEDIUM
> >>      OFFSET 0 0
> >>      BUFFER 0
> >>      MINDISTANCE -1
> >>      MINFEATURESIZE -1
> >>      COLOR 0 0 0
> >>      PARTIALS TRUE
> >>      FORCE FALSE
> >>    END
> >>  END
> >>  SCALEBAR
> >>    STATUS OFF
> >>    COLOR 0 0 0
> >>    IMAGECOLOR 255 255 255
> >>    UNITS MILES
> >>    INTERVALS 4
> >>    SIZE 200 3
> >>    STYLE 0
> >>    POSITION LL
> >>    LABEL
> >>      TYPE BITMAP
> >>      SIZE MEDIUM
> >>      OFFSET 0 0
> >>      BUFFER 0
> >>      MINDISTANCE -1
> >>      MINFEATURESIZE -1
> >>      COLOR 0 0 0
> >>      PARTIALS TRUE
> >>      FORCE FALSE
> >>    END
> >>  END
> >>  SYMBOL
> >>    NAME "png"
> >>    TYPE ELLIPSE
> >>    FILLED TRUE
> >>    POINTS
> >>       1 1
> >>    END
> >>  END
> >>  OUTPUTFORMAT
> >>    NAME "png"
> >>    MIMETYPE "image/png"
> >>    DRIVER "GD/PNG"
> >>    EXTENSION "png"
> >>    IMAGEMODE PC256
> >>    TRANSPARENT FALSE
> >>  END
> >>  LAYER
> >>    NAME "Tbl_maplab"
> >>    STATUS ON
> >>    DATA "Tbl_maplab"
> >>    TYPE POINT
> >>    CONNECTIONTYPE OGR
> >>    CONNECTION "Tbl_maplab.ovf"
> >>    UNITS METERS
> >>    SIZEUNITS PIXELS
> >>    TOLERANCE 0
> >>    TOLERANCEUNITS PIXELS
> >>    CLASS
> >>      STYLE
> >>        SYMBOL "star"
> >>        COLOR 88 0 0
> >>        SIZE 12
> >>        MINSIZE 10
> >>        MAXSIZE 100
> >>      END
> >>    END
> >>  END
> >> END
> >>
> >> the ovf file Tbl_maplab.ovf is following:
> >> <OGRVRTDataSource>
> >>    <OGRVRTLayer name="Tbl_maplab">
> >>        <SrcDataSource>ODBC:MapLab_AV</SrcDataSource>
> >>    <SrcLayer>Tbl_maplab</SrcLayer>
> >>    <GeometryType>wkbPoint</GeometryType>
> >>    <GeometryField encoding="PointFromColumns" x="x" y="y"/>
> >>    </OGRVRTLayer>
> >> </OGRVRTDataSource>
> >>
> >> I have created a System DSN "MapLab_AV" linked to
> >> Database_arcview.mdb with a table: "Tbl_maplab"
> >> This table have the following fields:
> >> -AutoNumber     contator
> >> -Denominazione text
> >> -x                     number
> >> -y                     number
> >>
> >> with ogrinfo.exe I have the following msg:
> >> ERROR 4: Update access not supported for VRT datasources.
> >> Had to open data source read-only.
> >> INFO: Open of 'Tbl_maplab.ovf'
> >> using driver `VRT' successful.
> >> 1: Tbl_maplab (Point)
> >>
> >> with "orginfo Tbl_maplab.ovf Tbl_maplab" command I have the msg:
> >>
> >>
> >>
> >> C:\ms4w\apps\maplab-2.2\SIT_BIELLA\data>ogrinfo tbl_maplab.ovf
> >> Tbl_maplab
> >> ERROR 4: Update access not supported for VRT datasources.
> >> Had to open data source read-only.
> >> INFO: Open of `tbl_maplab.ovf'
> >> using driver `VRT' successful.
> >>
> >> Layer name: Tbl_maplab
> >> Geometry: Point
> >> Feature Count: 9
> >> Extent: (422136.000000, 5024175.000000) - (434292.000000,
> >> 5042143.000000)
> >> Layer SRS WKT:
> >> (unknown)
> >> AutoNumber: Integer (10.0)
> >> Denominazione: String (50.0)
> >> x: Integer (10.0)
> >> y: Integer (10.0)
> >> OGRFeature(Tbl_maplab):0
> >>  AutoNumber (Integer) = 7
> >>  Denominazione (String) = PII21 Mongrando
> >>  x (Integer) = 422136
> >>  y (Integer) = 5042143
> >>  POINT (422136.000 5042143.000 0.000)
> >> ...
> >> ...
> >> OGRFeature(Tbl_maplab):8
> >>  AutoNumber (Integer) = 12
> >>  Denominazione (String) = Piana & Raspo
> >>  x (Integer) = 433260
> >>  y (Integer) = 5025465
> >>  POINT (433260.000 5025465.000 0.000)
> >>
> >>
> >>
> >>
> >>
> >> Thanks so mach for your important help!!!!
> >>
> >>
> >> Aldo Tocchio
> >> Geologo
> >> A.R.P.A. Piemonte
> >> Dipartimento Biella
> >> via Trento, 11
> >> 13900 Biella (BI)
> >> tel. 015-35813145 - fax 015-35813181
> >> email: a.tocchio at arpa.piemonte.it
> >>
> >> _______________________________________________
> >> Maplab-users mailing list
> >> Maplab-users at lists.maptools.org
> >> http://lists.maptools.org/mailman/listinfo/maplab-users
> >>
> >
> >
> >
> _______________________________________________
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> Maplab-users at lists.maptools.org
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> 


-- 
--
Zak James
Applications and Software Development
DM Solutions Group Inc.
http://www.dmsolutions.ca


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