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Buffer, added intersection check on already splitted of rings. This is necessary for cases like #indentation7 where the new helper-line crosses an already moved other helperline.

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[SVN r76776]
This commit is contained in:
Barend Gehrels
2012-01-29 14:31:23 +00:00
parent a4e0d5c384
commit 1f5e4c45e4
3 changed files with 166 additions and 28 deletions
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76
test_extensions/algorithms/buffer/polygon_buffer.cpp
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@@ -106,10 +106,12 @@ void test_all()
test_one<polygon_type, buf::join_round, polygon_type>("arrow6", arrow, 'r', 32.2572740033805, 0.6);
test_one<polygon_type, buf::join_miter, polygon_type>(true, "tipped_aitch3", tipped_aitch, 'm', 54.865, 0.3);
test_one<polygon_type, buf::join_miter, polygon_type>(true, "tipped_aitch9", tipped_aitch, 'm', 75.685, 0.9);
test_one<polygon_type, buf::join_miter, polygon_type>(true, "tipped_aitch9", tipped_aitch, 'm', 77.44, 0.9);
test_one<polygon_type, buf::join_miter, polygon_type>(true, "tipped_aitch13", tipped_aitch, 'm', 89.365, 1.3);
// SQL Server: 55.205415532967 76.6468846383224 90.642916957136
test_one<polygon_type, buf::join_round, polygon_type>(true, "tipped_aitch3", tipped_aitch, 'r', 54.7552, 0.3);
test_one<polygon_type, buf::join_round, polygon_type>(true, "tipped_aitch9", tipped_aitch, 'r', 75.2957, 0.9);
test_one<polygon_type, buf::join_round, polygon_type>(true, "tipped_aitch9", tipped_aitch, 'r', 76.6457, 0.9);
test_one<polygon_type, buf::join_round, polygon_type>(true, "tipped_aitch13", tipped_aitch, 'r', 88.6906, 1.3);
test_one<polygon_type, buf::join_miter, polygon_type>(true, "snake4", snake, 'm', 63.76, 0.4);
@@ -120,29 +122,33 @@ void test_all()
//return;
test_one<polygon_type, buf::join_round, polygon_type>(true, "flower1", flower, 'r', 71.986, 0.1);
test_one<polygon_type, buf::join_miter, polygon_type>("flower1", flower, 'm', 67.613949189084963, 0.1);
test_one<polygon_type, buf::join_miter, polygon_type>("flower20", flower, 'm', 74.7020267929856, 0.20);
test_one<polygon_type, buf::join_miter, polygon_type>("flower25", flower, 'm', 78.225583936485492, 0.25);
test_one<polygon_type, buf::join_miter, polygon_type>("flower30", flower, 'm', 81.492494146177947, 0.30);
//test_one<polygon_type, buf::join_miter, polygon_type>("flower35", flower, 'm', 84.694183819917185, 0.35);
test_one<polygon_type, buf::join_miter, polygon_type>("flower4", flower, 'm', 87.8306529577, 0.4);
test_one<polygon_type, buf::join_miter, polygon_type>("flower40", flower, 'm', 87.8306529577, 0.40);
test_one<polygon_type, buf::join_miter, polygon_type>("flower45", flower, 'm', 90.901901559536029, 0.45);
test_one<polygon_type, buf::join_miter, polygon_type>("flower50", flower, 'm', 93.907929625415662, 0.50);
test_one<polygon_type, buf::join_miter, polygon_type>("flower55", flower, 'm', 96.848737155342079, 0.55);
test_one<polygon_type, buf::join_miter, polygon_type>("flower60", flower, 'm', 99.724324149315279, 0.60);
test_one<polygon_type, buf::join_miter, polygon_type>("flower1", flower, 'm', 67.613949189084963, 0.1);
test_one<polygon_type, buf::join_round, polygon_type>("flower25", flower, 'r', 78.0709684961456, 0.25);
test_one<polygon_type, buf::join_round, polygon_type>("flower30", flower, 'r', 81.3528270913593, 0.30);
test_one<polygon_type, buf::join_round, polygon_type>("flower35", flower, 'r', 84.5467340913191, 0.35);
test_one<polygon_type, buf::join_round, polygon_type>("flower4", flower, 'r', 87.6653813523005, 0.4);
test_one<polygon_type, buf::join_round, polygon_type>("flower45", flower, 'r', 90.7092077149493, 0.45);
test_one<polygon_type, buf::join_round, polygon_type>("flower50", flower, 'r', 93.6802057531291, 0.50);
test_one<polygon_type, buf::join_round, polygon_type>("flower55", flower, 'r', 96.5796252237181, 0.55);
test_one<polygon_type, buf::join_round, polygon_type>("flower60", flower, 'r', 99.4081550761828, 0.60);
test_one<polygon_type, buf::join_round, polygon_type>(true, "flower1", flower, 'r', 71.986, 0.1);
test_one<polygon_type, buf::join_round, polygon_type>(true, "flower20", flower, 'r', 74.7020267929856, 0.20);
test_one<polygon_type, buf::join_round, polygon_type>(true, "flower25", flower, 'r', 78.0709684961456, 0.25);
test_one<polygon_type, buf::join_round, polygon_type>(true, "flower30", flower, 'r', 81.3528270913593, 0.30);
test_one<polygon_type, buf::join_round, polygon_type>(true, "flower35", flower, 'r', 84.5467340913191, 0.35);
test_one<polygon_type, buf::join_round, polygon_type>(true, "flower40", flower, 'r', 87.6653813523005, 0.40);
test_one<polygon_type, buf::join_round, polygon_type>(true, "flower45", flower, 'r', 90.7092077149493, 0.45);
test_one<polygon_type, buf::join_round, polygon_type>(true, "flower50", flower, 'r', 93.6802057531291, 0.50);
test_one<polygon_type, buf::join_round, polygon_type>(true, "flower55", flower, 'r', 96.5796252237181, 0.55);
test_one<polygon_type, buf::join_round, polygon_type>(true, "flower60", flower, 'r', 99.4081550761828, 0.60);
//test_one<polygon_type, buf::join_miter, polygon_type>("flower35", flower, 'm', 84.694183819917185, 0.35);
// Saw
{
// SQL Server:
// 68.6258859984014 90.2254986930165 112.799509089077 136.392823913949 161.224547934625 187.427508982734
//215.063576036522 244.167935815974 274.764905445676 306.878264367143 340.530496138041 375.720107548269
int const n = 12;
double expected_round[n] =
{
@@ -166,18 +172,24 @@ void test_all()
// Bowl
{
// Note the values are not completely equal to SQL Server yet.
// This will be caused by the sometimes sloppy rounded corners we still have
// See query below.
//1 43.2425133175081 60.0257800296593 78.3497997564532 98.2145746255142 119.620102487345 142.482792724034
//2 166.499856911107 191.763334982583 218.446279387336 246.615018368511 276.300134755606 307.518458532186
int const n = 12;
double expected_round[n] =
{
44.492, 60.025, 77.097, 95.710, 115.863, 137.472,
160.235, 184.244, 209.672, 236.586, 265.015, 294.978
166.485, 191.744, 209.672, 236.586, 265.015, 294.978
};
double expected_miter[n] =
{
44.865, 61.014, 78.948, 98.666, 120.169, 143.374,
167.974, 193.943, 221.279, 250.000, 280.375, 312.500
167.974, 207.443, 221.279, 250.000, 280.375, 312.500
};
for (int i = 1; i <= n; i++)
@@ -274,3 +286,35 @@ int test_main(int, char* [])
return 0;
}
/*
BOWL QUERY
===
with bowl as
(
select geometry::STGeomFromText('POLYGON((1 2,1 7,2 7,3 5,5 4,7 5,8 7,9 7,9 2,1 2))',0) as q
)
select
'1-6' as row
,q.STBuffer(0.5).STArea() as b1
,q.STBuffer(1.0).STArea() as b2
,q.STBuffer(1.5).STArea() as b3
,q.STBuffer(2.0).STArea() as b4
,q.STBuffer(2.5).STArea() as b5
,q.STBuffer(3.0).STArea() as b6
from bowl
union all
select
'7-12'
,q.STBuffer(3.5).STArea() as b7
,q.STBuffer(4.0).STArea() as b8
,q.STBuffer(4.5).STArea() as b9
,q.STBuffer(5.0).STArea() as b10
,q.STBuffer(5.5).STArea() as b11
,q.STBuffer(6.0).STArea() as b12
from bowl
*/