Mapviewer and georaster...

Question

Using MapViewer_10(georaster.jsp), I am trying to display a georaster map...
1. PL/SQL
create table GEORASTER_TABLE
(georid number primary key,
type varchar2(32),
GEORASTER sdo_georaster);
call sdo_geor_utl.createDMLTrigger('GEORASTER_TABLE', 'GEORASTER');
create table RDT_GEOR of sdo_raster
(primary key (rasterid, pyramidLevel, bandBlockNumber,
rowBlockNumber, columnBlockNumber))
lob(rasterblock) store as (nocache nologging);
commit;
declare
geor SDO_GEORASTER;
begin
delete from georaster_table where georid = 1;
insert into georaster_table
values( 1, 'TIFF', sdo_geor.init('RDT_GEOR', 1) );
select georaster into geor
from georaster_table where georid = 1 for update;
sdo_geor.importFrom(geor, '', 'TIFF', 'file',
'/u00/SFTP_USER_DIR/img1.tif');
update georaster_table set georaster = geor where georid = 1;
commit;
end;
declare
gr1 sdo_georaster;
begin
select GEORASTER into gr1
from GEORASTER_TABLE where georid = 1;
sdo_geor.changeFormat(gr1, 'blocksize=(256,256,3) interleaving=BIP');
update GEORASTER_TABLE set GEORASTER = gr1 where georid = 1;
commit;
end;
declare
gr sdo_georaster;
begin
select georaster into gr
from GEORASTER_TABLE where georid = 1 for update;
sdo_geor.generatePyramid(gr, 'resampling=NN');
update GEORASTER_TABLE set georaster = gr where georid = 1;
commit;
end;
DECLARE
gr sdo_georaster;
BEGIN
SELECT georaster INTO gr FROM GEORASTER_TABLE WHERE georid = 1 FOR UPDATE;
sdo_geor.georeference(gr, 262148, 1,
sdo_number_array(1,0,1),
sdo_number_array(0,-1,1));
UPDATE GEORASTER_TABLE SET georaster = gr WHERE georid = 1;
COMMIT;
END;
/DECLARE
sptext sdo_geometry;
BEGIN
SELECT sdo_geor.generateSpatialExtent(a.georaster) INTO sptext
FROM GEORASTER_TABLE a WHERE a.georid=1 FOR UPDATE;
UPDATE GEORASTER_TABLE a SET a.georaster.spatialextent = sptext WHERE
a.georid=1;
COMMIT;
END;
commit;
INSERT INTO user_sdo_themes VALUES (
'GEORASTER_TABLE',
'GeoTiff image',
'GEORASTER_TABLE',
'GEORASTER',
'<?xml version="1.0" standalone="yes"?>
<styling_rules theme_type="georaster" raster_table="RDT_GEOR"
raster_id="1" raster_bands="0,1,2">
</styling_rules>' );
commit;
select v.georid, sdo_geor.validateGeoraster(v.georaster) isvalid from georaster_table v
-- TRUE --
select v.georid, sdo_geor.schemavalidate(v.georaster) isvalid from georaster_table v
-- TRUE --
2. MapViewer
Data Sourse: mvdemo
SRID: 262148
X center: 0
Y center: 0
Map Size: 10
Request Mode: rasterid
GeoRaster Table: GEORASTER_TABLE
GeoRaster Column: GEORASTER
Raster ID: 1
Raster Table: RDT_GEOR
Pyramid Level:
Bands: 0,1,2
Query Condition:
3. Click Submit and see the blue square..........
What i'm doing wrong?

Answer 1

Hi Maxim,
some comments:
1) To use the georaster.jsp page you don't need to create the predefined theme.
2) You should register the GeoRaster spatial extent on the metadata view, and also create a spatial index. Something like (the dimension element values are just sample, you should use values that refer to your data):
INSERT INTO USER_SDO_GEOM_METADATA VALUES
( 'georaster_table',
  'georaster.spatialextent',
  SDO_DIM_ARRAY(
    SDO_DIM_ELEMENT('X', 496602.844, 695562.844, 0.000005),
    SDO_DIM_ELEMENT('Y',8788409.499,8973749.499, 0.000005)
  262148 -- SRID
CREATE INDEX geor_idx ON georaster_table(georaster.spatialextent)
  INDEXTYPE IS MDSYS.SPATIAL_INDEX;3) I think you should review your georeference parameters. I'm seeing resolution equal 1 and the top corner as 1,1. Look the Tiff parameters (resolution and coordinates) and use them.