Svg charts - size and default value

Question

is there any way to make svg chart size smaller? i want to fit 6 graphs onto a page and even with the 350x315 setting, they are still too big
also, when i have a query like this:
select null, c.nodes, count (*)
from customers c, country_region_mapping m
where system_status='Production'
and c.country = m.country
and decode(:P4_REGION, '%', 1, m.region, 1, 0)=1
and decode(:P4_COUNTRY, '%', 1, m.country, 1, 0) =1
and decode(:P4_INDUSTRY, '%', 1, c.industry, 1, 0) =1
group by nodes
the page initially comes up empty. in other words, the charts have no data.
is there anyway to default to all

Answer 1

i'm currently checking on your question about the chart sizes, but the second part of your question sounds easy enough. it looks like your query will return all the rows "from customers c, country_region_mapping m where system_status='Production' and c.country = m.country" when the default values of :P4_REGION, :P4_COUNTRY, and :P4_INDUSTRY are '%'. if that's how you're going about things, you can simply set your defaults for these items to the percent sign in those items' respective definition screens. this way, even before your items get a session state value, they'll be assigned their default "%" values and your query will return rows.
i'll get back to you soonish re the svg chart sizes,
raj