egml_io/geometry/
multi_surface.rs1use crate::error::Error;
2use quick_xml::{DeError, de};
3use std::hash::{DefaultHasher, Hash, Hasher};
4
5use crate::geometry::polygon::GmlPolygon;
6use egml_core::model::base::{AbstractGml, Id};
7use egml_core::model::geometry::{LinearRing, MultiSurface, Polygon, SurfaceProperty};
8use serde::{Deserialize, Serialize};
9use tracing::warn;
10
11#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, Hash, Clone)]
12pub struct GmlMultiSurfaceProperty {
13 #[serde(rename = "$value")]
14 pub multi_surface: Option<GmlMultiSurface>,
15}
16
17#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, Hash, Clone)]
18#[serde(rename = "gml:MultiSurface")]
19pub struct GmlMultiSurface {
20 #[serde(rename = "@id", default)]
21 id: String,
22 #[serde(rename = "$value")]
23 members: Vec<GmlSurfaceMember>,
24}
25
26#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, Hash, Clone)]
27#[serde(rename = "gml:surfaceMember")]
28pub struct GmlSurfaceMember {
29 #[serde(rename = "@href", default)]
30 href: String,
31
32 #[serde(rename = "$value")]
33 pub content: Option<GmlSurfaceMemberContent>,
34}
35
36#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, Hash, Clone)]
37pub enum GmlSurfaceMemberContent {
38 Polygon(GmlPolygon),
39 CompositeSurface(GmlCompositeSurface),
40}
41
42#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, Hash, Clone)]
43#[serde(rename = "gml:CompositeSurface")]
44pub struct GmlCompositeSurface {
45 #[serde(rename = "@id", default)]
46 id: String,
47 #[serde(rename = "$value")]
48 pub surface_members: Vec<GmlCompositeSurfaceMember>,
49}
50
51#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, Hash, Clone)]
52pub struct GmlCompositeSurfaceMember {
53 #[serde(rename = "$value")]
54 pub polygon: Option<GmlPolygon>,
55}
56
57impl TryFrom<GmlSurfaceMember> for SurfaceProperty {
58 type Error = Error;
59
60 fn try_from(value: GmlSurfaceMember) -> Result<Self, Self::Error> {
61 let linear_ring: Option<LinearRing> = value
62 .content
63 .and_then(|current_content| match current_content {
64 GmlSurfaceMemberContent::Polygon(x) => Some(x),
65 GmlSurfaceMemberContent::CompositeSurface(_) => {
66 warn!("Found composite surface member in MultiSurface. Ignoring.");
67 None
68 }
69 })
70 .and_then(|x| x.exterior.linear_ring)
71 .and_then(|gml_ring| gml_ring.try_into().ok());
72
73 let surface_property = SurfaceProperty::new(value.href, linear_ring)?;
74 Ok(surface_property)
75 }
76}
77
78impl TryFrom<GmlMultiSurface> for MultiSurface {
79 type Error = Error;
80
81 fn try_from(value: GmlMultiSurface) -> Result<Self, Self::Error> {
82 let id: Id = value.id.clone().try_into().ok().unwrap_or_else(|| {
83 let mut hasher = DefaultHasher::new();
84 value.hash(&mut hasher);
85 Id::from_hashed_u64(hasher.finish())
86 });
87 let abstract_gml = AbstractGml::new(id);
88
89 let polygons: Vec<Polygon> = value
90 .members
91 .into_iter()
92 .flat_map(|x| x.content)
93 .flat_map(|content| match content {
94 GmlSurfaceMemberContent::CompositeSurface(composite) => composite
95 .surface_members
96 .into_iter()
97 .flat_map(|member| member.polygon)
98 .collect::<Vec<_>>(),
99 GmlSurfaceMemberContent::Polygon(polygon) => vec![polygon],
100 })
101 .flat_map(|x| {
102 let polygon_id = x.id.clone();
103 x.try_into()
104 .map_err(|e| {
105 warn!(
106 "Error during parsing of gml:Polygon with id={}: {}",
107 &polygon_id, e
108 );
109 })
110 .ok()
111 })
112 .collect();
113
114 let multi_surface = MultiSurface::new(abstract_gml, polygons)?;
115 Ok(multi_surface)
116 }
117}
118
119pub fn parse_multi_surface(source_text: &str) -> Result<MultiSurface, Error> {
120 let parsed_geometry: Result<GmlMultiSurface, DeError> = de::from_str(source_text);
121 parsed_geometry?.try_into()
122}
123
124#[cfg(test)]
125mod tests {
126 use crate::parse_multi_surface;
127
128 #[test]
129 fn parsing_multi_surface_with_composite_surface_member() {
130 let source_text = "
131 <gml:MultiSurface srsDimension=\"3\">
132 <gml:surfaceMember>
133 <gml:CompositeSurface>
134 <gml:surfaceMember>
135 <gml:Polygon>
136 <gml:exterior>
137 <gml:LinearRing>
138 <gml:posList>314.531005859375 1043.4599609375 7.144559860229492 314.531005859375 1043.4599609375 2.6047298908233643 314.68798828125 1043.22998046875 2.6047298908233643 314.531005859375 1043.4599609375 7.144559860229492</gml:posList>
139 </gml:LinearRing>
140 </gml:exterior>
141 </gml:Polygon>
142 </gml:surfaceMember>
143 <gml:surfaceMember>
144 <gml:Polygon>
145 <gml:exterior>
146 <gml:LinearRing>
147 <gml:posList>314.531005859375 1043.4599609375 7.144559860229492 314.68798828125 1043.22998046875 2.6047298908233643 315.7770080566406 1041.6500244140625 2.6047298908233643 314.531005859375 1043.4599609375 7.144559860229492</gml:posList>
148 </gml:LinearRing>
149 </gml:exterior>
150 </gml:Polygon>
151 </gml:surfaceMember>
152 <gml:surfaceMember>
153 <gml:Polygon>
154 <gml:exterior>
155 <gml:LinearRing>
156 <gml:posList>314.531005859375 1043.4599609375 7.144559860229492 315.7770080566406 1041.6500244140625 2.6047298908233643 316.1080017089844 1041.1700439453125 7.144559860229492 314.531005859375 1043.4599609375 7.144559860229492</gml:posList>
157 </gml:LinearRing>
158 </gml:exterior>
159 </gml:Polygon>
160 </gml:surfaceMember>
161 </gml:CompositeSurface>
162 </gml:surfaceMember>
163 </gml:MultiSurface>
164 ";
165
166 let _result = parse_multi_surface(source_text).unwrap();
167 }
168
169 #[test]
170 fn parsing_multi_surface() {
171 let source_text = "<gml:MultiSurface gml:id=\"UUID_6b33ecfa-6e08-4e8e-a4b5-e1d06540faf0\">
172 <gml:surfaceMember>
173 <gml:Polygon gml:id=\"UUID_efb8f6a5-82fa-4b21-8709-c1d93ed1e595\">
174 <gml:exterior>
175 <gml:LinearRing>
176 <gml:posList srsDimension=\"3\">678009.7116291433 5403638.313338383 417.3480034550211 678012.5609078613 5403634.960884141 417.34658523466385 678013.7892528991 5403636.004867206 417.51938733855997 678010.9399743223 5403639.357321232 417.5208051908512 678009.7116291433 5403638.313338383 417.3480034550211</gml:posList>
177 </gml:LinearRing>
178 </gml:exterior>
179 </gml:Polygon>
180 </gml:surfaceMember>
181 </gml:MultiSurface>";
182
183 let _result = parse_multi_surface(source_text).unwrap();
184 }
185
186 #[test]
187 fn parsing_multi_surface_with_duplicate_elements() {
188 let source_text = "<gml:MultiSurface srsName=\"EPSG:25832\" srsDimension=\"3\">
189 <gml:surfaceMember>
190 <gml:Polygon gml:id=\"4018133_PG.3nRTCd4XPu47PsAAUyNv\">
191 <gml:exterior>
192 <gml:LinearRing gml:id=\"4018133_LR.lHfcvQUrKVl08ifcH6eO\">
193 <gml:posList>678105.792 5403815.554 369.98523 678105.792 5403815.555 367.67323 678106.047 5403815.125 367.67323 678106.047 5403815.125 367.67323 678106.047 5403815.125 367.67323 678106.047 5403815.124 369.98523 678105.792 5403815.554 369.98523</gml:posList>
194 </gml:LinearRing>
195 </gml:exterior>
196 </gml:Polygon>
197 </gml:surfaceMember>
198 </gml:MultiSurface>";
199
200 let _result = parse_multi_surface(source_text).unwrap();
201 }
202
203 #[test]
204 fn parsing_multi_surface_with_holes() {
205 let source_text = "
206 <gml:MultiSurface srsName=\"EPSG:25832\" srsDimension=\"3\">
207 <gml:surfaceMember>
208 <gml:Polygon gml:id=\"4018106_PG.dKY9ug9ol2tsxL5bLAPz\">
209 <gml:exterior>
210 <gml:LinearRing gml:id=\"4018106_LR.Wqmtl1E6Yz3eVJkuGjsK\">
211 <gml:posList>678097.805 5403801.433 367.40123 678092.938 5403810.139 367.40123 678092.938 5403810.139 370.87623 678092.032 5403811.76 370.87623 678092.032 5403811.76 377.09023 678097.805 5403801.433 377.09023 678097.805 5403801.433 367.40123</gml:posList>
212 </gml:LinearRing>
213 </gml:exterior>
214 <gml:interior>
215 <gml:LinearRing gml:id=\"4018106_LR.10JNDsQqif3fouy54mfv\">
216 <gml:posList>678096.88 5403803.088 374.90623 678097.403 5403802.152 374.90623 678097.403 5403802.152 376.19923 678096.88 5403803.088 376.19923 678096.88 5403803.088 374.90623</gml:posList>
217 </gml:LinearRing>
218 </gml:interior>
219 <gml:interior>
220 <gml:LinearRing gml:id=\"4018106_LR.yzLlZkAQX00eXb6Xi0DZ\">
221 <gml:posList>678096.154 5403804.386 376.19923 678096.154 5403804.386 374.90623 678096.677 5403803.45 374.90623 678096.677 5403803.45 376.19923 678096.154 5403804.386 376.19923</gml:posList>
222 </gml:LinearRing>
223 </gml:interior>
224 <gml:interior>
225 <gml:LinearRing gml:id=\"4018106_LR.MIkI0SEPyMQ4yblCNiF2\">
226 <gml:posList>678095.438 5403805.667 376.19923 678095.438 5403805.667 374.90623 678095.961 5403804.731 374.90623 678095.961 5403804.731 376.19923 678095.438 5403805.667 376.19923</gml:posList>
227 </gml:LinearRing>
228 </gml:interior>
229 <gml:interior>
230 <gml:LinearRing gml:id=\"4018106_LR.novU6ZVfhrtxrFFh7eYQ\">
231 <gml:posList>678097.403 5403802.152 372.05223 678097.403 5403802.152 373.34523 678096.88 5403803.088 373.34523 678096.88 5403803.088 372.05223 678097.403 5403802.152 372.05223</gml:posList>
232 </gml:LinearRing>
233 </gml:interior>
234 <gml:interior>
235 <gml:LinearRing gml:id=\"4018106_LR.XdJcfjsruS75wlUmTQdH\">
236 <gml:posList>678096.677 5403803.45 372.05223 678096.677 5403803.45 373.34523 678096.154 5403804.386 373.34523 678096.154 5403804.386 372.05223 678096.677 5403803.45 372.05223</gml:posList>
237 </gml:LinearRing>
238 </gml:interior>
239 <gml:interior>
240 <gml:LinearRing gml:id=\"4018106_LR.wzwxsPr4Ys8dTM1bzH8T\">
241 <gml:posList>678095.961 5403804.731 372.05223 678095.961 5403804.731 373.34523 678095.438 5403805.667 373.34523 678095.438 5403805.667 372.05223 678095.961 5403804.731 372.05223</gml:posList>
242 </gml:LinearRing>
243 </gml:interior>
244 <gml:interior>
245 <gml:LinearRing gml:id=\"4018106_LR.20P6FwXiq4ZJ4EAxdmJ0\">
246 <gml:posList>678093.838 5403808.528 374.89423 678094.361 5403807.593 374.89423 678094.361 5403807.593 376.18723 678093.838 5403808.528 376.18723 678093.838 5403808.528 374.89423</gml:posList>
247 </gml:LinearRing>
248 </gml:interior>
249 <gml:interior>
250 <gml:LinearRing gml:id=\"4018106_LR.saIYdVUNcoK3LJkC2LDw\">
251 <gml:posList>678093.645 5403808.873 374.89423 678093.645 5403808.873 376.18723 678093.122 5403809.809 376.18723 678093.122 5403809.809 374.89423 678093.645 5403808.873 374.89423</gml:posList>
252 </gml:LinearRing>
253 </gml:interior>
254 <gml:interior>
255 <gml:LinearRing gml:id=\"4018106_LR.yPDE98qtqfTYBziBsTpl\">
256 <gml:posList>678093.869 5403808.474 372.04523 678094.392 5403807.538 372.04523 678094.392 5403807.538 373.33823 678093.869 5403808.474 373.33823 678093.869 5403808.474 372.04523</gml:posList>
257 </gml:LinearRing>
258 </gml:interior>
259 <gml:interior>
260 <gml:LinearRing gml:id=\"4018106_LR.XaQt7QEqeVnG2PB8D6ad\">
261 <gml:posList>678093.153 5403809.755 373.33823 678093.153 5403809.755 372.04523 678093.676 5403808.819 372.04523 678093.676 5403808.819 373.33823 678093.153 5403809.755 373.33823</gml:posList>
262 </gml:LinearRing>
263 </gml:interior>
264 <gml:interior>
265 <gml:LinearRing gml:id=\"4018106_LR.kCEyyLA2tigxjpQY9cyU\">
266 <gml:posList>678092.933 5403810.148 372.04523 678092.933 5403810.148 373.32523 678092.126 5403811.591 373.32523 678092.126 5403811.591 372.04523 678092.933 5403810.148 372.04523</gml:posList>
267 </gml:LinearRing>
268 </gml:interior>
269 <gml:interior>
270 <gml:LinearRing gml:id=\"4018106_LR.Wq5AG6YS8zrN5HgtFQD8\">
271 <gml:posList>678092.126 5403811.591 376.18723 678092.126 5403811.591 374.89423 678092.933 5403810.148 374.89423 678092.933 5403810.148 376.18723 678092.126 5403811.591 376.18723</gml:posList>
272 </gml:LinearRing>
273 </gml:interior>
274 <gml:interior>
275 <gml:LinearRing gml:id=\"4018106_LR.aQFMEYkDQkns0ZoJ66pj\">
276 <gml:posList>678095.264 5403805.978 370.34223000000003 678095.264 5403805.978 370.79823 678093.197 5403809.675 370.79823 678093.197 5403809.675 370.34223000000003 678095.264 5403805.978 370.34223000000003</gml:posList>
277 </gml:LinearRing>
278 </gml:interior>
279 <gml:interior>
280 <gml:LinearRing gml:id=\"4018106_LR.tXljCrPP3Efr0mz83aTx\">
281 <gml:posList>678095.254 5403805.996 368.30523 678095.254 5403805.996 370.06923 678093.187 5403809.693 370.06923 678093.187 5403809.693 368.30523 678095.254 5403805.996 368.30523</gml:posList>
282 </gml:LinearRing>
283 </gml:interior>
284 <gml:interior>
285 <gml:LinearRing gml:id=\"4018106_LR.gLnR6siy7dPwvvNX2zz0\">
286 <gml:posList>678095.558 5403805.452 370.06723 678095.558 5403805.452 368.30323 678097.625 5403801.755 368.30323 678097.625 5403801.755 370.06723 678095.558 5403805.452 370.06723</gml:posList>
287 </gml:LinearRing>
288 </gml:interior>
289 <gml:interior>
290 <gml:LinearRing gml:id=\"4018106_LR.Iw6I84mlFFHQEPQCpApK\">
291 <gml:posList>678097.625 5403801.755 370.34223000000003 678097.625 5403801.755 370.79223 678095.558 5403805.452 370.79223 678095.558 5403805.452 370.34223000000003 678097.625 5403801.755 370.34223000000003</gml:posList>
292 </gml:LinearRing>
293 </gml:interior>
294 </gml:Polygon>
295 </gml:surfaceMember>
296 </gml:MultiSurface>";
297
298 let result = parse_multi_surface(source_text).unwrap();
299
300 assert_eq!(result.surface_member().len(), 1);
301 }
302
303 #[test]
304 fn parsing_multi_surface_without_id() {
305 let source_text = "<gml:MultiSurface>
306 <gml:surfaceMember>
307 <gml:Polygon>
308 <gml:exterior>
309 <gml:LinearRing>
310 <gml:posList srsDimension=\"3\">678009.7116291433 5403638.313338383 417.3480034550211 678012.5609078613 5403634.960884141 417.34658523466385 678013.7892528991 5403636.004867206 417.51938733855997 678010.9399743223 5403639.357321232 417.5208051908512 678009.7116291433 5403638.313338383 417.3480034550211</gml:posList>
311 </gml:LinearRing>
312 </gml:exterior>
313 </gml:Polygon>
314 </gml:surfaceMember>
315 </gml:MultiSurface>";
316
317 let result = parse_multi_surface(source_text).unwrap();
318
319 assert_eq!(result.surface_member().len(), 1);
320 }
321}