From aab127f4737f1b8dbe71ec39107c56559e6e6a37 Mon Sep 17 00:00:00 2001 From: ThomasG77 Date: Wed, 28 Dec 2011 16:00:24 -0800 Subject: [PATCH] Updated OCCI (markdown) --- OCCI.md | 43 ++++++++++++++++++++++--------------------- 1 file changed, 22 insertions(+), 21 deletions(-) diff --git a/OCCI.md b/OCCI.md index ccdbd57..b645277 100644 --- a/OCCI.md +++ b/OCCI.md @@ -50,21 +50,21 @@ Make sure you have compat-libstdc++-33 installed. ## Parameters -|| *parameter* || *value* || *description* || *default* || -|| host || string || name of the oracle host || || -|| user || string || username to use for connecting || || -|| password || string || user password to use for connecting || || -|| table || string || name of the table to fetch, this can be a sub-query || || -|| geometry_field || string || name of the geometry field, in case you have more than one in a single table || GEOLOC || -|| extent || string || maxextent of the geometries || determined by querying the oracle metadata for the table || -|| row_limit || integer || max number of rows to return when querying data, 0 means no limit || 0 || -|| row_prefetch || integer || number of rows to prefetch from the query before converting them to mapnik features (this allows to finetune the balance between transfer time and conversion time) || 1000 || -|| initial_size || integer || initial size of the stateless connection pool || 1 || -|| max_size || integer || max size of the stateless connection pool || 10 || -|| use_spatial_index || boolean || choose wheter to use the oracle spatial index when fetching data || true || -|| multiple_geometries || boolean || wheter to use multiple different objects or a single one when dealing with multi-objects (this is mainly related to how the label are used in the map, one label for a multi-polygon or one label for each polygon of a multi-polygon)|| false || -|| encoding || string || internal file encoding || utf-8 || - +| *parameter* | *value* | *description* | *default* | +|:------------------|----------|---------------|----------:| +| host | string | name of the oracle host | | +| user | string | username to use for connecting | | +| password | string | user password to use for connecting | | +| table | string | name of the table to fetch, this can be a sub-query | | +| geometry_field | string | name of the geometry field, in case you have more than one in a single table | GEOLOC | +| extent | string | maxextent of the geometries | determined by querying the oracle metadata for the table | +| row_limit | integer | max number of rows to return when querying data, 0 means no limit | 0 | +| row_prefetch | integer | number of rows to prefetch from the query before converting them to mapnik features (this allows to finetune the balance between transfer time and conversion time) | 1000 | +| initial_size | integer | initial size of the stateless connection pool | 1 | +| max_size | integer | max size of the stateless connection pool | 10 | +| use_spatial_index | boolean | choose wheter to use the oracle spatial index when fetching data | true | +| multiple_geometries | boolean | wheter to use multiple different objects or a single one when dealing with multi-objects (this is mainly related to how the label are used in the map, one label for a multi-polygon or one label for each polygon of a multi-polygon)| false | +| encoding | string | internal file encoding | utf-8 | ## Usage @@ -72,16 +72,17 @@ Make sure you have compat-libstdc++-33 installed. Instantiate a datasource like: - #!python +```python lyr = Layer('Geometry from Oracle Spatial') lyr.datasource = OCCI(host='localhost',user='scott',password='tiger',table='worldborders',geometry_field='geom') +``` ### XML If you are using XML mapfiles to style your data, then using a Oracle datasource looks like: - #!xml +```xml countries_style_label @@ -94,7 +95,7 @@ If you are using XML mapfiles to style your data, then using a Oracle datasource -180,-90,180,89.99 - +``` ### C++ @@ -102,8 +103,7 @@ Plugin datasource initialization example code can be found on PluginArchitecture A OCCI datasource may be created as follows: - - #!C +```cpp { parameters p; p["type"]="occi"; @@ -118,4 +118,5 @@ A OCCI datasource may be created as follows: set_datasource(datasource_cache::instance()->create(p)); lyr.add_style("worldborders"); m.addLayer(lyr); - } \ No newline at end of file + } +``` \ No newline at end of file