Spatial data

Question

Hi
Could you please let me know How will interact with mapviewer backround image,Themes and Style and table data.Give me with example.
As per my knowlegde below table performing all the task but i am not unserstood how.Could you please let me know the tables and table flow information
SDO_MAPS_TABLES
SDO_STYLE_TABLES
SDO_THEMES_TABLES
SDO_CACHED_MAPS_TABLE
Thanks
Gram

Answer 1

But which table stored the images.(like work map and country wise map).How will store images into tables.(We can mapviewer builder)
I will give you some sample data here.
select * from USER_SDO_MAPS;
Result:
OBIEE_MAP     DEMO_MAP          "<?xml version="1.0" standalone="yes"?>
<map_definition>
<theme name="THEME_DEMO_STATES" min_scale="1.5E8" max_scale="0.0" scale_mode="RATIO"/>
<theme name="THEME_DEMO_COUNTIES" min_scale="8500000.0" max_scale="0.0" scale_mode="RATIO"/>
<theme name="THEME_DEMO_HIGHWAYS_LINE" min_scale="1.0E8" max_scale="4.5E7" scale_mode="RATIO"/>
<theme name="THEME_DEMO_HIGHWAYS" min_scale="4.5E7" max_scale="0.0" scale_mode="RATIO"/>
<theme name="THEME_DEMO_BIGCITIES" min_scale="4.5E7" max_scale="0.0" scale_mode="RATIO"/>
<theme name="THEME_DEMO_CITIES" min_scale="7500000.0" max_scale="0.0" scale_mode="RATIO"/>
</map_definition>
select * from USER_SDO_THEMES;
Result:
THEME_DEMO_STATES_LINE     State boundaries     STATES     GEOM     "<?xml version="1.0" standalone="yes"?>
<styling_rules>
<rule >
<features style="C.ROSY BROWN STROKE"> </features>
<label column="STATE" style="T.GREY STATE NAME"> 1 </label>
</rule>
</styling_rules>"
select * from USER_SDO_STYLES;
Result:
C.WHITE     COLOR     white     "<?xml version="1.0" standalone="yes"?>
<svg width="1in" height="1in">
<desc></desc>
<g class="color" style="stroke:#ffffff">
<rect width="50" height="50"/></g>
</svg>"     (BLOB)     
select * from USER_SDO_CACHED_MAPS;
Result:
DEMO_MAP               YES     YES     "<cache_instance name="demo_map" image_format="PNG">
<internal_map_source base_map="DEMO_MAP" data_source="OBIEE_MAP"/>
<cache_storage root_path="/scrtach/mvdemomaps"/>
<coordinate_system srid="8307" minX="-180.0" maxX="180.0" minY="-90.0" maxY="90.0"/>
<tile_image width="256" height="256"/>
<zoom_levels levels="10" min_scale="1000" max_scale="25000000">
<zoom_level tile_width="15.286028158107968" tile_height="15.286028158107968" level_name="level0" scale="2.5E7"/>
<zoom_level tile_width="4.961746909541633" tile_height="4.961746909541633" level_name="level1" scale="8114840.0"/>
<zoom_level tile_width="1.6105512127664132" tile_height="1.6105512127664132" level_name="level2" scale="2634025.0"/>
<zoom_level tile_width="0.5227742142726501" tile_height="0.5227742142726501" level_name="level3" scale="854987.0"/>
<zoom_level tile_width="0.16968897570090388" tile_height="0.16968897570090388" level_name="level4" scale="277523.0"/>
<zoom_level tile_width="0.05507983954154727" tile_height="0.05507983954154727" level_name="level5" scale="90082.0"/>
<zoom_level tile_width="0.017878538533723076" tile_height="0.017878538533723076" level_name="level6" scale="29240.0"/>
<zoom_level tile_width="0.005803187729944108" tile_height="0.005803187729944108" level_name="level7" scale="9491.0"/>
<zoom_level tile_width="0.0018832386690789012" tile_height="0.0018832386690789012" level_name="level8" scale="3080.0"/>
<zoom_level tile_width="6.114411263243185E-4" tile_height="6.114411263243185E-4" level_name="level9" scale="1000.0"/>
</zoom_levels>
</cache_instance>
"     DEMO_MAP     
Thanks
Gram