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re-arranged code so that linestrings are not transformed to multilinestrings;

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added implementations for all four pairs of LS/MLS combinations;
added unit tests that were missing for new combinations;
This commit is contained in:
Menelaos Karavelas
2014-02-19 13:37:04 +02:00
parent 1f9ccb6698
commit 0ca5d2f13a
4 changed files with 788 additions and 86 deletions
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52
test/algorithms/difference1.cpp
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@@ -545,6 +545,58 @@ BOOST_AUTO_TEST_CASE( test_difference_linestring_multilinestring )
BOOST_AUTO_TEST_CASE( test_difference_multilinestring_linestring )
{
#ifdef GEOMETRY_TEST_DEBUG
std::cout << std::endl << std::endl << std::endl;
std::cout << "*** MULTILINESTRING / LINESTRING DIFFERENCE ***"
<< std::endl;
std::cout << std::endl;
#endif
typedef linestring_type L;
typedef multi_linestring_type ML;
typedef test_difference_of_geometries<ML, L, ML> tester;
// disjoint linestrings
tester()
(from_wkt<ML>("MULTILINESTRING((0 0,10 0,20 1),(1 0,7 0))"),
from_wkt<L>("LINESTRING(1 1,2 2,4 3)"),
from_wkt<ML>("MULTILINESTRING((0 0,10 0,20 1),(1 0,7 0))"),
"mlldf01"
);
tester()
(from_wkt<ML>("MULTILINESTRING((0 0,10 0,20 1),(1 0,7 0))"),
from_wkt<L>("LINESTRING(1 1,2 0,4 0)"),
from_wkt<ML>("MULTILINESTRING((0 0,2 0),(4 0,10 0,20 1),\
(1 0,2 0),(4 0,7 0))"),
"mlldf02"
);
tester()
(from_wkt<ML>("MULTILINESTRING((0 0,101 0))"),
from_wkt<L>("LINESTRING(-1 -1,1 0,101 0,200 -1)"),
from_wkt<ML>("MULTILINESTRING((0 0,1 0))"),
"mlldf03"
);
tester()
(from_wkt<ML>("MULTILINESTRING((0 0,20 0))"),
from_wkt<L>("LINESTRING(0 1,1 0,19 0,20 1,19 1,18 0,2 0,\
1 1,2 1,3 0,17 0,18 1,17 1,16 0,4 0,3 1)"),
from_wkt<ML>("MULTILINESTRING((0 0,1 0),(19 0,20 0))"),
"mlldf04"
);
}
BOOST_AUTO_TEST_CASE( test_difference_multilinestring_multilinestring )
{
#ifdef GEOMETRY_TEST_DEBUG