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|
set client_min_messages = 'WARNING';
create table pl_box (
data box, barea float, boverlaps bool, boverleft bool, boverright bool,
bleft bool, bright bool
);
create or replace function box_val(box[]) returns setof pl_box as '
b1 = Box.new(2.5,2.5,1.0,1.0)
b2 = Box.new(2.0,2.0,2.5,2.5)
b3 = Box.new(3.0,3.0,5.0,5.0)
args[0].each do |b|
yield [b, b.area, b.overlap?(b1), b.overleft?(b2),
b.overright?(b2), b.left?(b3), b3.right?(b)]
end
' language 'plruby';
select * from
box_val('{(2.0,2.0,0.0,0.0);(1.0,1.0,3.0,3.0);(2.5,2.5,2.5,3.5);(3.0,3.0,3.0,3.0)}'::box[]);
data | barea | boverlaps | boverleft | boverright | bleft | bright
---------------------+-------+-----------+-----------+------------+-------+--------
(2,2),(0,0) | 4 | t | t | f | t | t
(3,3),(1,1) | 4 | t | f | f | f | f
(2.5,3.5),(2.5,2.5) | 0 | t | t | t | t | t
(3,3),(3,3) | 0 | f | f | t | f | f
(4 rows)
drop table pl_box cascade;
create table pl_box (
b box, bcmp1 int, bcmp2 int, bin bool, bcontain bool, bcenter point
);
create or replace function box_val(box[]) returns setof pl_box as '
b1 = Box.new(3.0,3.0,5.0,5.0)
b2 = Box.new(3.5,3.0,4.5,3.0)
b3 = Box.new(0,0,3,3)
args[0].each do |b|
yield [b, b <=> b1, b <=> b2, b.in?(b3), b.contain?(b3), b.center]
end
' language 'plruby';
select * from
box_val('{(2.0,2.0,0.0,0.0);(1.0,1.0,3.0,3.0);(2.5,2.5,2.5,3.5);(3.0,3.0,3.0,3.0)}'::box[]);
b | bcmp1 | bcmp2 | bin | bcontain | bcenter
---------------------+-------+-------+-----+----------+---------
(2,2),(0,0) | 0 | 1 | t | f | (1,1)
(3,3),(1,1) | 0 | 1 | t | f | (2,2)
(2.5,3.5),(2.5,2.5) | -1 | 0 | f | f | (2.5,3)
(3,3),(3,3) | -1 | 0 | t | f | (3,3)
(4 rows)
drop table pl_box cascade;
create table pl_box (
b0 box, b1 box, b2 box, b3 box
);
create or replace function box_val(box[]) returns setof pl_box as '
p0 = [Point.new(-10.0,0.0), Point.new(-3.0,4.0),
Point.new(5.1, 34.5), Point.new(-5.0,-12.0)]
args[0].each do |b|
p0.each do |p|
yield [b + p, b - p, b * p, b / p]
end
p0.each do |p|
yield [p + b, p - b, p * b, p / b]
end
end
' language 'plruby';
select * from
box_val('{(2.0,2.0,0.0,0.0);(1.0,1.0,3.0,3.0);(2.5,2.5,2.5,3.5);(3.0,3.0,3.0,3.0)}'::box[]);
b0 | b1 | b2 | b3
-------------------------+---------------------------+-----------------------------+-----------------------------------------------------------------------------------
(-8,2),(-10,0) | (12,2),(10,0) | (-0,0),(-20,-20) | (0,-0),(-0.2,-0.2)
(-1,6),(-3,4) | (5,-2),(3,-4) | (-0,2),(-14,0) | (0.08,-0),(0,-0.56)
(7.1,36.5),(5.1,34.5) | (-3.1,-32.5),(-5.1,-34.5) | (0,79.2),(-58.8,0) | (0.0651176557643925,0),(0,-0.0483449262493217)
(-3,-10),(-5,-12) | (7,14),(5,12) | (14,-0),(0,-34) | (-0,0.0828402366863905),(-0.201183431952663,0)
(-8,2),(-10,0) | (12,2),(10,0) | (-0,0),(-20,-20) | (0,-0),(-0.2,-0.2)
(-1,6),(-3,4) | (5,-2),(3,-4) | (-0,2),(-14,0) | (0.08,-0),(0,-0.56)
(7.1,36.5),(5.1,34.5) | (-3.1,-32.5),(-5.1,-34.5) | (0,79.2),(-58.8,0) | (0.0651176557643925,0),(0,-0.0483449262493217)
(-3,-10),(-5,-12) | (7,14),(5,12) | (14,-0),(0,-34) | (-0,0.0828402366863905),(-0.201183431952663,0)
(-7,3),(-9,1) | (13,3),(11,1) | (-10,-10),(-30,-30) | (-0.1,-0.1),(-0.3,-0.3)
(0,7),(-2,5) | (6,-1),(4,-3) | (-7,3),(-21,1) | (0.12,-0.28),(0.04,-0.84)
(8.1,37.5),(6.1,35.5) | (-2.1,-31.5),(-4.1,-33.5) | (-29.4,118.8),(-88.2,39.6) | (0.0976764836465887,-0.0241724631246608),(0.0325588278821962,-0.0725173893739825)
(-2,-9),(-4,-11) | (8,15),(6,13) | (21,-17),(7,-51) | (-0.100591715976331,0.124260355029586),(-0.301775147928994,0.0414201183431953)
(-7,3),(-9,1) | (13,3),(11,1) | (-10,-10),(-30,-30) | (-0.1,-0.1),(-0.3,-0.3)
(0,7),(-2,5) | (6,-1),(4,-3) | (-7,3),(-21,1) | (0.12,-0.28),(0.04,-0.84)
(8.1,37.5),(6.1,35.5) | (-2.1,-31.5),(-4.1,-33.5) | (-29.4,118.8),(-88.2,39.6) | (0.0976764836465887,-0.0241724631246608),(0.0325588278821962,-0.0725173893739825)
(-2,-9),(-4,-11) | (8,15),(6,13) | (21,-17),(7,-51) | (-0.100591715976331,0.124260355029586),(-0.301775147928994,0.0414201183431953)
(-7.5,3.5),(-7.5,2.5) | (12.5,3.5),(12.5,2.5) | (-25,-25),(-25,-35) | (-0.25,-0.25),(-0.25,-0.35)
(-0.5,7.5),(-0.5,6.5) | (5.5,-0.5),(5.5,-1.5) | (-17.5,2.5),(-21.5,-0.5) | (0.26,-0.7),(0.1,-0.82)
(7.6,38),(7.6,37) | (-2.6,-31),(-2.6,-32) | (-73.5,104.1),(-108,99) | (0.109762715208919,-0.0562379754328844),(0.0813970697054906,-0.0604311578116521)
(-2.5,-8.5),(-2.5,-9.5) | (7.5,15.5),(7.5,14.5) | (29.5,-42.5),(17.5,-47.5) | (-0.251479289940828,0.103550295857988),(-0.322485207100592,0.0739644970414201)
(-7.5,3.5),(-7.5,2.5) | (12.5,3.5),(12.5,2.5) | (-25,-25),(-25,-35) | (-0.25,-0.25),(-0.25,-0.35)
(-0.5,7.5),(-0.5,6.5) | (5.5,-0.5),(5.5,-1.5) | (-17.5,2.5),(-21.5,-0.5) | (0.26,-0.7),(0.1,-0.82)
(7.6,38),(7.6,37) | (-2.6,-31),(-2.6,-32) | (-73.5,104.1),(-108,99) | (0.109762715208919,-0.0562379754328844),(0.0813970697054906,-0.0604311578116521)
(-2.5,-8.5),(-2.5,-9.5) | (7.5,15.5),(7.5,14.5) | (29.5,-42.5),(17.5,-47.5) | (-0.251479289940828,0.103550295857988),(-0.322485207100592,0.0739644970414201)
(-7,3),(-7,3) | (13,3),(13,3) | (-30,-30),(-30,-30) | (-0.3,-0.3),(-0.3,-0.3)
(0,7),(0,7) | (6,-1),(6,-1) | (-21,3),(-21,3) | (0.12,-0.84),(0.12,-0.84)
(8.1,37.5),(8.1,37.5) | (-2.1,-31.5),(-2.1,-31.5) | (-88.2,118.8),(-88.2,118.8) | (0.0976764836465887,-0.0725173893739825),(0.0976764836465887,-0.0725173893739825)
(-2,-9),(-2,-9) | (8,15),(8,15) | (21,-51),(21,-51) | (-0.301775147928994,0.124260355029586),(-0.301775147928994,0.124260355029586)
(-7,3),(-7,3) | (13,3),(13,3) | (-30,-30),(-30,-30) | (-0.3,-0.3),(-0.3,-0.3)
(0,7),(0,7) | (6,-1),(6,-1) | (-21,3),(-21,3) | (0.12,-0.84),(0.12,-0.84)
(8.1,37.5),(8.1,37.5) | (-2.1,-31.5),(-2.1,-31.5) | (-88.2,118.8),(-88.2,118.8) | (0.0976764836465887,-0.0725173893739825),(0.0976764836465887,-0.0725173893739825)
(-2,-9),(-2,-9) | (8,15),(8,15) | (21,-51),(21,-51) | (-0.301775147928994,0.124260355029586),(-0.301775147928994,0.124260355029586)
(32 rows)
drop table pl_box cascade;
create table pl_box (
p point, dp float, d0 float, c circle, w float, h float
);
create or replace function box_val(box[]) returns setof pl_box as '
p = Point.new(6,4)
args[0].each do |b|
p0 = b.center
yield [p0, Geometry::distance(p, b),Geometry::distance(p, p0),
b.to_circle, b.height, b.width]
end
' language 'plruby';
select * from
box_val('{(2.0,2.0,0.0,0.0);(1.0,1.0,3.0,3.0);(2.5,2.5,2.5,3.5);(3.0,3.0,3.0,3.0)}'::box[]);
p | dp | d0 | c | w | h
---------+------------------+------------------+-------------------------+---+---
(1,1) | 4.47213595499958 | 5.8309518948453 | <(1,1),1.4142135623731> | 2 | 2
(2,2) | 3.16227766016838 | 4.47213595499958 | <(2,2),1.4142135623731> | 2 | 2
(2.5,3) | 3.53553390593274 | 3.64005494464026 | <(2.5,3),0.5> | 1 | 0
(3,3) | 3.16227766016838 | 3.16227766016838 | <(3,3),0> | 0 | 0
(4 rows)
drop table pl_box cascade;
create table pl_box (
nb int, ll float, pc bool
);
create or replace function path_val(path[]) returns setof pl_box as '
args[0].each do |b|
yield [b.npoints, b.length, b.closed?]
end
' language 'plruby';
select * from
path_val('{"[1,2,3,4]","(0,0),(3,0),(4,5),(1,6)","11,12,13,14,25,12"}'::path[]);
nb | ll | pc
----+------------------+----
2 | 2.82842712474619 | f
4 | 17.3440597040594 | t
3 | 28.9939521853426 | t
(3 rows)
drop table pl_box cascade;
create table pl_box (
p path, p0 path, p1 path
);
create or replace function path_val(path[]) returns setof pl_box as '
p0 = Point.new(6,7)
args[0].each do |b|
yield [b, b + p0, b - p0]
end
' language 'plruby';
select * from
path_val('{"[1,2,3,4]","(0,0),(3,0),(4,5),(1,6)","11,12,13,14,25,12"}'::path[]);
p | p0 | p1
---------------------------+------------------------------+-----------------------------------
[(1,2),(3,4)] | [(7,9),(9,11)] | [(-5,-5),(-3,-3)]
((0,0),(3,0),(4,5),(1,6)) | ((6,7),(9,7),(10,12),(7,13)) | ((-6,-7),(-3,-7),(-2,-2),(-5,-1))
((11,12),(13,14),(25,12)) | ((17,19),(19,21),(31,19)) | ((5,5),(7,7),(19,5))
(3 rows)
drop table pl_box cascade;
create table pl_box (
p path, p0 path, p1 path
);
create or replace function path_val(path[]) returns setof pl_box as '
p0 = Point.new(6,7)
args[0].each do |b|
yield [b, b * p0, b / p0]
end
' language 'plruby';
select * from
path_val('{"[1,2,3,4]","(0,0),(3,0),(4,5),(1,6)","11,12,13,14,25,12"}'::path[]);
p | p0 | p1
---------------------------+-----------------------------------+-----------------------------------------------------------------------------------------------------------------------------
[(1,2),(3,4)] | [(-8,19),(-10,45)] | [(0.235294117647059,0.0588235294117647),(0.541176470588235,0.0352941176470588)]
((0,0),(3,0),(4,5),(1,6)) | ((0,0),(18,21),(-11,58),(-36,43)) | ((0,0),(0.211764705882353,-0.247058823529412),(0.694117647058824,0.0235294117647059),(0.564705882352941,0.341176470588235))
((11,12),(13,14),(25,12)) | ((-18,149),(-20,175),(66,247)) | ((1.76470588235294,-0.0588235294117647),(2.07058823529412,-0.0823529411764706),(2.75294117647059,-1.21176470588235))
(3 rows)
drop table pl_box cascade;
create table pl_box (
center point, area float, radius float, diameter float
);
create or replace function circle_val(circle[]) returns setof pl_box as '
args[0].each do |b|
yield b.center, b.area, b.radius, b.diameter
end
' language 'plruby';
select * from
circle_val('{"<(5,1),3>","<(1,2),100>","<(100,200),10>","<(100,1),115>","1,3,5"}'::circle[]);
center | area | radius | diameter
-----------+----------------+--------+----------
(5,1) | 28.2743338824 | 3 | 6
(1,2) | 31415.926536 | 100 | 200
(100,200) | 314.15926536 | 10 | 20
(100,1) | 41547.56284386 | 115 | 230
(1,3) | 78.53981634 | 5 | 10
(5 rows)
drop table pl_box cascade;
create table pl_box (
p circle, p0 circle, p1 circle
);
create or replace function circle_val(circle[]) returns setof pl_box as '
p0 = Point.new(6,7)
args[0].each do |b|
yield [b, b + p0, b - p0]
end
' language 'plruby';
select * from
circle_val('{"<(5,1),3>","<(1,2),100>","<(100,200),10>","<(100,1),115>","1,3,5"}'::circle[]);
p | p0 | p1
----------------+----------------+---------------
<(5,1),3> | <(11,8),3> | <(-1,-6),3>
<(1,2),100> | <(7,9),100> | <(-5,-5),100>
<(100,200),10> | <(106,207),10> | <(94,193),10>
<(100,1),115> | <(106,8),115> | <(94,-6),115>
<(1,3),5> | <(7,10),5> | <(-5,-4),5>
(5 rows)
drop table pl_box cascade;
create table pl_box (
p circle, p0 circle, p1 circle
);
create or replace function circle_val(circle[]) returns setof pl_box as '
p0 = Point.new(6,7)
args[0].each do |b|
yield [b, p0 * b, p0 / b ]
end
' language 'plruby';
select * from
circle_val('{"<(5,1),3>","<(1,2),100>","<(100,200),10>","<(100,1),115>","1,3,5"}'::circle[]);
p | p0 | p1
----------------+--------------------------------+------------------------------------------------------------
<(5,1),3> | <(23,41),27.6586333718787> | <(0.435294117647059,-0.341176470588235),0.325395686727984>
<(1,2),100> | <(-8,19),921.954445729289> | <(0.235294117647059,0.0588235294117647),10.8465228909328>
<(100,200),10> | <(-800,1900),92.1954445729289> | <(23.5294117647059,5.88235294117647),1.08465228909328>
<(100,1),115> | <(593,706),1060.24761258868> | <(7.14117647058824,-8.16470588235294),12.4735013245727>
<(1,3),5> | <(-15,25),46.0977222864644> | <(0.317647058823529,0.129411764705882),0.54232614454664>
(5 rows)
drop table pl_box cascade;
create table pl_box (
overlap bool, overleft bool, overright bool,
bleft bool, bright bool, below bool, above bool
);
create or replace function circle_val(circle, circle) returns setof pl_box as '
b0 = args[0]
b1 = args[1]
yield b0.overlap?(b1), b0.overleft?(b1), b0.overright?(b1),
b0.left?(b1), b0.right?(b1), b0.below?(b1), b0.above?(b1)
' language 'plruby';
select * from
circle_val('<(5,1),3>'::circle, '<(1,2),100>'::circle);
overlap | overleft | overright | bleft | bright | below | above
---------+----------+-----------+-------+--------+-------+-------
t | t | t | f | f | f | f
(1 row)
select * from
circle_val('<(100,200),10>'::circle, '<(100,1),115>'::circle);
overlap | overleft | overright | bleft | bright | below | above
---------+----------+-----------+-------+--------+-------+-------
f | t | t | f | f | f | t
(1 row)
|
