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### JTS
Java Transaction Service（Java事务服务）拓扑套件，是一种能够利用清楚精确的模型和强大的几何计算来实现一套核心空间数据操作的JAVA api。
### 计算空间关系
JTS的一个重要应用是计算几何图形之间的空间关系，JTS提供了一套布尔数学体系的能能够直接计算普通空间关系的谓项，包括：
- 相等（Equals）：几何形状拓扑上相等；
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This set of linework:
```
MULTILINESTRING ((0 20, 8 20), (8 20, 20 20, 24 10, 11 10), (11 10, 4 10, 0 20), (8 20, 11 10), (11 10, 12 8, -4 10, 0 20))
```
produces the following result for a `Polyg…
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Hi everyone,
I have a small application that I'm using to verify if geojson files are correct. also checked with https://geojsonlint.com/
`{
"type": "FeatureCollection",
"features": [{
…
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changelog file
model file
.
Given `a.wkt`:
```
POLYGON ((11174.451451065055 13710.473363871335, -14730.97396732842 -5570.416909945428, -24…
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There is one warning
"This function does not work on GEOMETRYCOLLECTIONs."
in the documentation:
http://www.h2gis.org/docs/dev/ST_Intersects/
But according to :
https://github.com/locationtech/…
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Listed here
https://www.gov.uk/government/statistical-data-sets/journey-time-statistics-data-tables-jts
but missing from
`jts::jts_tables`
mem48 updated
3 years ago