PostGIS  3.4.0dev-r@@SVN_REVISION@@

◆ test_mindistance2d_tolerance()

static void test_mindistance2d_tolerance ( void  )
static

Definition at line 86 of file cu_measures.c.

87 {
88  double default_accepted_error = 0.00001;
89  double zero_accepted_error = 0.0;
90 
91 
92  /*
93  ** Simple case.
94  */
95  DIST2DTEST("POINT(0 0)", "MULTIPOINT(0 1.5,0 2,0 2.5)", 1.5, default_accepted_error);
96 
97  /*
98  ** Point vs Geometry Collection.
99  */
100  DIST2DTEST("POINT(0 0)", "GEOMETRYCOLLECTION(POINT(3 4))", 5.0, default_accepted_error);
101 
102  /*
103  ** Point vs Geometry Collection Collection.
104  */
105  DIST2DTEST("POINT(0 0)", "GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(3 4)))", 5.0, default_accepted_error);
106 
107  /*
108  ** Point vs Geometry Collection Collection Collection.
109  */
110  DIST2DTEST("POINT(0 0)", "GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(3 4))))", 5.0, default_accepted_error);
111 
112  /*
113  ** Point vs Geometry Collection Collection Collection Multipoint.
114  */
115  DIST2DTEST("POINT(0 0)", "GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(MULTIPOINT(3 4))))", 5.0, default_accepted_error);
116 
117  /*
118  ** Geometry Collection vs Geometry Collection
119  */
120  DIST2DTEST("GEOMETRYCOLLECTION(POINT(0 0))", "GEOMETRYCOLLECTION(POINT(3 4))", 5.0, default_accepted_error);
121 
122  /*
123  ** Geometry Collection Collection vs Geometry Collection Collection
124  */
125  DIST2DTEST("GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(0 0)))", "GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(3 4)))", 5.0, default_accepted_error);
126 
127  /*
128  ** Geometry Collection Collection Multipoint vs Geometry Collection Collection Multipoint
129  */
130  DIST2DTEST("GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(MULTIPOINT(0 0)))", "GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(MULTIPOINT(3 4)))", 5.0, default_accepted_error);
131 
132  /*
133  ** Linestring vs its start point
134  */
135  DIST2DTEST("LINESTRING(-2 0, -0.2 0)", "POINT(-2 0)", 0, zero_accepted_error);
136 
137  /*
138  ** Linestring vs its end point
139  */
140  DIST2DTEST("LINESTRING(-0.2 0, -2 0)", "POINT(-2 0)", 0, zero_accepted_error);
141 
142  /*
143  ** Linestring vs its start point (tricky number, see #1459)
144  */
145  DIST2DTEST("LINESTRING(-1e-8 0, -0.2 0)", "POINT(-1e-8 0)", 0, zero_accepted_error);
146 
147  /*
148  ** Linestring vs its end point (tricky number, see #1459)
149  */
150  DIST2DTEST("LINESTRING(-0.2 0, -1e-8 0)", "POINT(-1e-8 0)", 0, zero_accepted_error);
151 
152  /*
153  * Circular string and point
154  */
155  DIST2DTEST("CIRCULARSTRING(-1 0, 0 1, 1 0)", "POINT(0 0)", 1, default_accepted_error);
156  DIST2DTEST("CIRCULARSTRING(-3 0, -2 0, -1 0, 0 1, 1 0)", "POINT(0 0)", 1, default_accepted_error);
157 
158  /*
159  * Circular string and Circular string
160  */
161  DIST2DTEST("CIRCULARSTRING(-1 0, 0 1, 1 0)", "CIRCULARSTRING(0 0, 1 -1, 2 0)", 1, default_accepted_error);
162 
163  /*
164  * CurvePolygon and Point
165  */
166  static char *cs1 = "CURVEPOLYGON(COMPOUNDCURVE(CIRCULARSTRING(1 6, 6 1, 9 7),(9 7, 3 13, 1 6)),COMPOUNDCURVE((3 6, 5 4, 7 4, 7 6),CIRCULARSTRING(7 6,5 8,3 6)))";
167  DIST2DTEST(cs1, "POINT(3 14)", 1, default_accepted_error);
168  DIST2DTEST(cs1, "POINT(3 8)", 0, default_accepted_error);
169  DIST2DTEST(cs1, "POINT(6 5)", 1, default_accepted_error);
170  DIST2DTEST(cs1, "POINT(6 4)", 0, default_accepted_error);
171 
172  /*
173  * CurvePolygon and Linestring
174  */
175  DIST2DTEST(cs1, "LINESTRING(0 0, 50 0)", 0.917484, default_accepted_error);
176  DIST2DTEST(cs1, "LINESTRING(6 0, 10 7)", 0, default_accepted_error);
177  DIST2DTEST(cs1, "LINESTRING(4 4, 4 8)", 0, default_accepted_error);
178  DIST2DTEST(cs1, "LINESTRING(4 7, 5 6, 6 7)", 0.585786, default_accepted_error);
179  DIST2DTEST(cs1, "LINESTRING(10 0, 10 2, 10 0)", 1.52913, default_accepted_error);
180 
181  /*
182  * CurvePolygon and Polygon
183  */
184  DIST2DTEST(cs1, "POLYGON((10 4, 10 8, 13 8, 13 4, 10 4))", 0.58415, default_accepted_error);
185  DIST2DTEST(cs1, "POLYGON((9 4, 9 8, 12 8, 12 4, 9 4))", 0, default_accepted_error);
186  DIST2DTEST(cs1, "POLYGON((1 4, 1 8, 4 8, 4 4, 1 4))", 0, default_accepted_error);
187 
188  /*
189  * CurvePolygon and CurvePolygon
190  */
191  DIST2DTEST(cs1, "CURVEPOLYGON(CIRCULARSTRING(-1 4, 0 5, 1 4, 0 3, -1 4))", 0.0475666, default_accepted_error);
192  DIST2DTEST(cs1, "CURVEPOLYGON(CIRCULARSTRING(1 4, 2 5, 3 4, 2 3, 1 4))", 0.0, default_accepted_error);
193 
194  /*
195  * MultiSurface and CurvePolygon
196  */
197  static char *cs2 = "MULTISURFACE(POLYGON((0 0,0 4,4 4,4 0,0 0)),CURVEPOLYGON(CIRCULARSTRING(8 2,10 4,12 2,10 0,8 2)))";
198  DIST2DTEST(cs2, "CURVEPOLYGON(CIRCULARSTRING(5 2,6 3,7 2,6 1,5 2))", 1, default_accepted_error);
199  DIST2DTEST(cs2, "CURVEPOLYGON(CIRCULARSTRING(4 2,5 3,6 2,5 1,4 2))", 0, default_accepted_error);
200  DIST2DTEST(cs2, "CURVEPOLYGON(CIRCULARSTRING(5 3,6 2,5 1,4 2,5 3))", 0, default_accepted_error);
201  DIST2DTEST(cs2, "CURVEPOLYGON(CIRCULARSTRING(4.5 3,5.5 2,4.5 1,3.5 2,4.5 3))", 0, default_accepted_error);
202  DIST2DTEST(cs2, "CURVEPOLYGON(CIRCULARSTRING(5.5 3,6.5 2,5.5 1,4.5 2,5.5 3))", 0.5, default_accepted_error);
203  DIST2DTEST(cs2, "CURVEPOLYGON(CIRCULARSTRING(10 3,11 2,10 1,9 2,10 3))", 0, default_accepted_error);
204  DIST2DTEST(cs2, "CURVEPOLYGON(CIRCULARSTRING(2 3,3 2,2 1,1 2,2 3))", 0, default_accepted_error);
205  DIST2DTEST(cs2, "CURVEPOLYGON(CIRCULARSTRING(5 7,6 8,7 7,6 6,5 7))", 2.60555, default_accepted_error);
206 
207  /*
208  * MultiCurve and Linestring
209  */
210  DIST2DTEST("LINESTRING(0.5 1,0.5 3)", "MULTICURVE(CIRCULARSTRING(2 3,3 2,2 1,1 2,2 3),(0 0, 0 5))", 0.5, default_accepted_error);
211 
212  /*
213  ** "Fast path" case
214  */
215  DIST2DTEST("LINESTRING(10 0,11 1,12 2,13 3,14 4,15 5,16 6)",
216  "LINESTRING(1 1.5,2 3,3 4.5,4 6,5 7.5,6 9)",
217  8.3205, default_accepted_error);
218 
219  /*
220  ** Ticket 4326
221  */
222  DIST2DTEST(
223  "CURVEPOLYGON(CIRCULARSTRING(7874821 8715927,8907663 8715927,8844683 7750316,7937800 7750316,7874821 8715927))",
224  "POINT(5433865 8243495)", 2271704.2698450615, default_accepted_error);
225 }
#define DIST2DTEST(str1, str2, res, accepted_error)
Definition: cu_measures.c:33

References DIST2DTEST.

Referenced by measures_suite_setup().

Here is the caller graph for this function: