[GeoTools] Load the EPSG Properties File

GeoTools에서 좌표를 지정하거나 좌표변환을 하기 위해서는 EPSG 코드를 사용하게 되는데 기본 라이브러리에 포함되지 않은 EPSG 코드가 있을경우 org.opengis.referencing.NoSuchAuthorityCodeException 가 발생한다.

아래와 같은 방법으로 사용자 정의 프로퍼티 파일을 읽어 추가시켜줄 수 있다.

import java.io.File; import java.io.IOException; import java.net.URL; import org.geotools.factory.Hints; import org.geotools.metadata.iso.citation.Citations; import org.geotools.referencing.CRS; import org.geotools.referencing.ReferencingFactoryFinder; import org.geotools.referencing.factory.PropertyAuthorityFactory; import org.geotools.referencing.factory.ReferencingFactoryContainer; import org.opengis.referencing.FactoryException; import org.opengis.referencing.NoSuchAuthorityCodeException; import org.opengis.referencing.crs.CoordinateReferenceSystem; ... public void setEPSGProperties() throws IOException, NoSuchAuthorityCodeException, FactoryException { File file = new File(this.getClass().getResource("/").getPath() + "/epsg.properties"); @SuppressWarnings("deprecation") URL url = file.toURL(); if (file.exists()) { System.out.println( file.getParent() ); } Hints hints = new Hints(Hints.CRS_AUTHORITY_FACTORY, PropertyAuthorityFactory.class); ReferencingFactoryContainer referencingFactoryContainer = ReferencingFactoryContainer.instance(hints); PropertyAuthorityFactory factory = new PropertyAuthorityFactory( referencingFactoryContainer, Citations.fromName("EPSG"), url); ReferencingFactoryFinder.addAuthorityFactory(factory); //WKT로 확인 CoordinateReferenceSystem crs = CRS.decode("EPSG:5181"); System.out.println( crs.toWKT() ); } ...

<EPSG:5181 - WKT>

• Dependency Library
• commons-dbcp
• gt-data
• gt-epsg-hsql
• gt-jdbc
• gt-referencing
• gt-render
• hsqldb
• jsr-275