OGR Vector Layers Through MapServer ¶

ogrinfo

LAYER
  ...
  CONNECTIONTYPE OGR
  CONNECTION "<datasource_name>"
  DATA "<layer_definition>"
  ...
END

LAYER
  NAME "Builtup_Areas_tab"
  TYPE POLYGON
  CONNECTIONTYPE OGR
  CONNECTION "data/tab/092b06_builtup_a.tab"
  STATUS ON
  CLASS
    ...
  END
...
END

LAYER
  NAME "dgn"
  TYPE LINE
  CONNECTIONTYPE OGR
  CONNECTION "dgn/santabarbara02.dgn"
  DATA "0"
  STATUS ON
  STYLEITEM "AUTO"
  CLASS
    ...
  END
END # Layer

LAYER
  NAME "Roads_tig"
  TYPE line
  CONNECTIONTYPE OGR
  CONNECTION "full/path/to/tiger/TGR25001"
  DATA "CompleteChain"
  STATUS ON
  CLASS
    ...
  END
END

LAYER
  NAME "Parks_cov"
  TYPE POLYGON
  CONNECTIONTYPE OGR
  CONNECTION "data/shppoly"
  DATA "SELECT eas_id, idl.Name FROM pol LEFT JOIN idl ON pol.eas_id = idl.eas_id"
  STATUS ON
  CLASSITEM "idlink.Name"
  CLASS
    ...
  END
END

LAYER
  NAME "elastic_search_layer"
  TYPE POLYGON
  CONNECTIONTYPE OGR
  CONNECTION "ES:"
  CONNECTIONOPTIONS
      "FORWARD_HTTP_HEADERS_FROM_ENV" "Authorization=HTTP_AUTHORIZATION"
  END
  DATA "my_layer"
END

$ ogrinfo  popplace.tab

Had to open data source read-only.
INFO: Open of `popplace.tab'
using driver `MapInfo File' successful.
1: popplace (Point)

$ ogrinfo popplace.tab popplace

Had to open data source read-only.
INFO: Open of `popplace.tab'
using driver `MapInfo File' successful.

Layer name: popplace
Geometry: Point
Feature Count: 497
Layer SRS WKT: PROJCS["unnamed",GEOGCS["unnamed",DATUM["North ...snipped...
AREA: Real (15.3)
PERIMETER: Real (15.3)
POPPLACE_: Real (11.0)
POPPLACE_I: Real (15.0)
NAME: String (50.0)
OGRFeature(popplace):1
  AREA (Real) =           0.000
  PERIMETER (Real) =           0.000
  POPPLACE_ (Real) =           1
  POPPLACE_I (Real) =               1
  NAME (String) = Port Hope Simpson
  POINT (2437287.249 1153656.751)

OGRFeature(popplace):2
  AREA (Real) =           0.000
  PERIMETER (Real) =           0.000
  POPPLACE_ (Real) =           2
  POPPLACE_I (Real) =               1
  NAME (String) = Hopedale

...
...

$ ogrinfo TGR25001

Had to open data source read-only.
INFO: Open of `TGR25001'
using driver `TIGER' successful.
1: CompleteChain (Line String)
2: AltName (None)
3: FeatureIds (None)
4: ZipCodes (None)
5: Landmarks (Point)
6: AreaLandmarks (None)
7: KeyFeatures (None)
8: Polygon (None)
9: EntityNames (Point)
10: IDHistory (None)
11: PolyChainLink (None)
12: PIP (Point)
13: TLIDRange (None)
14: ZipPlus4 (None)

$ ogrinfo TGR25001 Landmarks -summary

Had to open data source read-only.
INFO: Open of `TGR25001'
using driver `TIGER' successful.

Layer name: Landmarks
Geometry: Point
Feature Count: 777
Extent: (-70.674324, 41.519817) - (-69.969211, 42.046868)
Layer SRS WKT: GEOGCS["NAD83",DATUM["North_American_Datum_1983",
SPHEROID["GRS 1980",6378137,298.257222101]],PRIMEM["Greenwich",0],
      UNIT["degree",0.0174532925199433]]
MODULE: String (8.0)
FILE: String (5.0)
STATE: Integer (2.0)
COUNTY: Integer (3.0)
LAND: Integer (10.0)
SOURCE: String (1.0)
CFCC: String (3.0)
LANAME: String (30.0)

LAYER
  NAME "ogr_points"
  TYPE POINT
  CONNECTIONTYPE OGR
  TILEINDEX "PIP_ogr_tiles.shp,0"
  STATUS ON
  CLASS
    NAME "points"
    STYLE
      SYMBOL "default-circle"
      COLOR 255 0 0
      SIZE 6
    END
  END
END

LAYER
  NAME "AdminAreas"
  TYPE POLYGON
  CONNECTIONTYPE OGR
  CONNECTION "NO410810.000"
  DATA "ADMARE"
  PROCESSING "CLOSE_CONNECTION=DEFER"
  STATUS ON
  ...
END
LAYER
  NAME "Land Areas"
  TYPE POLYGON
  CONNECTIONTYPE OGR
  CONNECTION "NO410810.000"
  DATA "LNDARE"
  PROCESSING "CLOSE_CONNECTION=NORMAL"
  STATUS ON
  ...
END

 LAYER
   NAME "test_dgn"
   STATUS ON
   TYPE POLYGON
   CONNECTIONTYPE OGR
   CONNECTION "../data/dgn/test.dgn"

   # This enables use of colors and styles from the source file.
   STYLEITEM "AUTO"

   # Define an empty class that will be filled at runtime from the
   # color and styles read on each shape in the source file.
   CLASS
   END
END  # layer

LAYER
 NAME "Builtup_Areas_tab"
 TYPE POLYGON
 CONNECTIONTYPE OGR
 CONNECTION "data/tab/092b06_builtup_a.tab"
 STATUS ON

 # This enables use of colors and styles from the source file.
 STYLEITEM "AUTO"

 # Define an empty class that will be filled at runtime from the
 # color and styles read on each shape in the source file.
 CLASSITEM "CATEGORY"
 CLASS
    EXPRESSION "1"
 END
END

LAYER
  ...
  PROCESSING "GETSHAPE_STYLE_ITEMS=all"
  ...
END

<?php

// define variables
define( "MAPFILE", "D:/ms4w/apps/ogr-demos/nfld_demo/test.map" );

// open map
$oMap = ms_newMapObj( MAPFILE );

//get layer
$oLayer = $oMap->getLayerByName("Map_Labels");

//get styles
$status = $oLayer->open();
$status = $oLayer->whichShapes($oMap->extent);
while ($oShape = $oLayer->nextShape())
{
  //echo $oShape->index ."<br>\n";
  echo $oShape->getValue($oLayer,"OGR:LabelText");
  echo "\n";
}
$oLayer->close();

?>

Label Style	Description	MapServer Version Implemented
OGR:LabelFont	Comma-delimited list of fonts names	5.4
OGR:LabelSize	Numeric value with units	5.2.0
OGR:LabelText	Label text string	5.2.0
OGR:LabelAngle	Rotation angle (in degrees)	5.2.0
OGR:LabelFColor	Foreground color	5.4
OGR:LabelBColor	Background color	5.4
OGR:LabelPlacement	How is the text drawn relative to the feature’s geometry	5.4
OGR:LabelAnchor	A value from 1 to 12 defining the label’s position relative to the point to which it is attached.	5.4
OGR:LabelDx	X offset	5.4
OGR:LabelDy	Y offset	5.4
OGR:LabelPerp	Perpendicular offset	5.4
OGR:LabelBold	Bold text	5.4
OGR:LabelItalic	Italic text	5.4
OGR:LabelUnderline	Underlined text	5.4
OGR:LabelPriority	Numeric value defining the order in which style parts should be drawn.	5.4
OGR:LabelStrikeout	Strike out text (gdal >= 1.4.0)	5.4
OGR:LabelStretch	Stretch factor changes the width of all characters in the font by factor percent. (gdal >= 1.4.0)	5.4
OGR:LabelAdjHor	Horizontally adjacent text (gdal >= 1.4.0)	5.4
OGR:LabelAdjVert	Vertically adjacent text (gdal >= 1.4.0)	5.4
OGR:LabelHColor	Shadow color (gdal >= 1.4.0)	5.4
OGR:LabelOColor	Outline color (gdal > 1.6.0)	5.4

OGR Vector Layers Through MapServer ¶

Introduction ¶

What is OGR?¶

What Does OGR Add to MapServer?¶

What Data Formats are Supported?¶

How to Get More Information on the OGR Project ¶

Obtaining and Compiling MapServer with OGR Support ¶

Integrating OGR Support with MapServer Applications ¶

Using OGR Data Sources in the Map File ¶

Examples of Layer Definitions Using OGR ¶

How to Use “OGRINFO”¶

Queries Through OGR Format ¶

TILEINDEX with OGR ¶

Connection Pooling ¶

STYLEITEM “AUTO” - Rendering Layers Using Style Information from the OGR File ¶

How to Implement ¶

Examples ¶

Important Notes ¶

Mapping of OGR Style Info to the MapServer CLASS Members ¶

Accessing OGR STYLEITEMAUTO Label Styles Through MapScript ¶

Sample Sites Using OGR/MapServer ¶

FAQ / Common Problems ¶

Credits ¶

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