An extension that adds spatial operations to Oracle databases

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Querying intersecting areas areas - Oracle Locator or Spatial?

My spatial database is Oracle. We are wondering if we can use basic Oracle Locator or need to get the more expensive, full, Oracle Spatial. My application's requirements include having to be able to ...
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0answers
68 views

Allocate places according to distance

I've asked this over on Stack Overflow but thought that someone may have a GI point of view that may help: As an over-simplified example I have a list of events that have a maximum attendance: ...
2
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0answers
254 views

Need Oracle spatial tutorials

I am working on Oracle spatial 11g and I am referring to Oracle docs as a learning resource. Does anyone know any more Oracle Spatial tutorials ? We want to integrate Oracle Spatial data with ...
4
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1answer
126 views

Does Oracle MapViewer support PostGIS?

I use Oracle MapViewer to generate my mapping data and currently I'm using an Oracle database as my spatial back-end. I would like to move my data over the PostGIS but I can't find any references if ...
3
votes
2answers
310 views

Get Spatial Table Information Oracle Spatial

How can I get the tablename, Srid and GeometryType of all spatial tables in Oracle(I use 11g)? In postgis, I can do something like select f_table_name,srid,type from public.geometry_columns order by ...
2
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1answer
36 views

Can I use a join in Mapviewer

I've got two tables, parcels and permits. I'd like to display permits on a map without having to copy the geometry data from parcels. Is there a way to create a join in Mapviewer? Do I have to ...
2
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2answers
603 views

Is ArcMap 10.0 Query Layer passing invalid SQL to Oracle 11gR2?

In two different environments I'm having trouble using ArcMap 10.0 Query Layers to view SDO_GEOMETRY (point) data in Oracle 11.2. This suggests I'm doing something wrong... Points are in Oracle ...
4
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1answer
507 views

How to get minx, miny, maxx and maxy of a geometry?

I'm new to Oracle Spatial. In MySQL or PostGIS, it's easy to get minx miny maxx maxy of a geometry, any and/or all of them. But how to do that in Oracle Spatial? Do I need to chain up several ...
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3answers
430 views

Shapefile import with Oracle + GeoServer produces points instead of vector shapes

I have implemented the example at http://www.gistutor.com/openlayers/22-advanced-openlayers-tutorials/47-openlayers-wfs-t-using-a-geoserver-hosted-postgis-layer.html and got it working properly. Now ...
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2answers
395 views

How can I extract data from Oracle Spatial and preserve the spatial data?

My table currently contains an SDO column that I want to export (along with the rest of the data) but all I have at my disposal is PL SQL Developer -- Is there anything I can do to get at that data ...
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4answers
4k views

What is the difference between geocoding and georeferencing?

After some googling around both seem to be interchangable words, where we speak of tying the spatial info of a real place and storing in database. But still I am not satisfied, there should be some ...
3
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1answer
443 views

Making calls the PostGIS functions with Java

We have Java stored procedure in Oracle that make calls to functions offered by Oracle Spatial to perform spatial analysis and return results. I am looking to the same in PostGIS, is this possible?
2
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1answer
573 views

Publishing oracle spatial table in geoserver

I published oracle view in geoserver. using this link. But when I see this in layer preview I get following xml response: <?xml version="1.0" encoding="UTF-8" standalone="no"?><!DOCTYPE ...
1
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1answer
203 views

Open Source Challenge: Automated Mastermap update in Oracle Spatial

I've been set a challenge which is a bit out of my comfort zone. I'm an esri developer trying to break into the open source world. I've been asked to automate the update of some oracle SDO datasets. ...
4
votes
1answer
465 views

Joining spatial and not spatial table in oracle

I have spatial table with rows of data representing polygon(A). I have another table that contains values for polygon field(B). Now I would like to join these two table and create a spatial table. I ...
1
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1answer
344 views

Oracle MapViewer / Map Builder - Tile algorithm

Oracle MapBuilder generates three types of layers - theme, base and tiles. I try to create algorithm for tiled layers. Have you any idea how to decode this? I mean algorithm for width and height of ...
2
votes
1answer
517 views

How to move an Oracle spatial table to another db?

I have uploaded a polyline data (50 million rows) to oracle spatial 10g as sdo_geometry through arccatalog and arcsde in my TEST database. Now, I need to move this table to QA database, this table ...
2
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1answer
479 views

Oracle spatial - check polygon vertices counter clockwise

I need to import a huge number of polygons from a third party (as a csv file- array of x,y's). I have to check whether the polygon vertices are in clockwise or counter clockwise, finally i have to ...
4
votes
1answer
227 views

Error in passing geometry column to SQL query

When I execute the following query with a static table name it's working fine: SELECT pe.structure_category_name,SDO_NN_DISTANCE(2),pe.bt_object_subid, pe.bt_owning_node_id INTO ...
2
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0answers
324 views

No primary key or unique index found?

I have a store created from oracle database in geoserver. Now after I create layer out of the store. And when I try to access the layer or try to preview the layer, I get the warning message in ...
18
votes
3answers
2k views

When should you NOT use a spatial index?

I am asking this because I was mainly working with Oracle but for the past year I've been doubling with PostGIS and SQLServer 2008. Most spatial functions in Oracle won't work without a spatial index ...
3
votes
2answers
371 views

Oracle Linestrings and MultiLinestrings

We have a very complicated setup for a project we are doing, and it involves 40+ developers and two oracle databases, one with sde and one only with oracle spatial and it's quite big. We'll here are ...
8
votes
7answers
4k views

Register SDE view and Layer

I'm building simple views against an ArcSDE Oracle RAC 10g. My SHAPE columns are of SDO_GEOMETRY datatype. ArcSDE 9.3.1. I have several point tables, with the following outline: ID (Guid) Name ...
12
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3answers
1k views

Future of spatial databases

It may be a bit off-topic. I am eager to know the industry specific importance of Spatial Databases. Is Spatial Database a very important part of any GIS system? Or will we use other technologies to ...
4
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1answer
551 views

Oracle Spatial - How to calculate the point of intersection of 2 line geometries

How to calculate the point of intersection of 2 line geometries.
3
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2answers
410 views

Is there a common interface for ST_Geometry SDO_Geomtry

I've worked a fair bit with Oracle Spatial and I've had some requests to transition to PostgreSQL Spatial. Is there a common interface for SDO_Geometry and ST_Geometry? I'm working in Java with ...
4
votes
1answer
887 views

In Oracle Spatial, what is the fastest way to determine the percentage of intersection between two shapes?

I have to query polygons that intersect with one another. Our polygons occasionally contain intersections that aren't intended (meaning just a few vertices cross boundaries). I want to filter out ...