添加坐标系初始化

13693261870

2023-09-16 8300bfcfd58e84d27163ba94b8e026cfcf4f90a6

添加坐标系初始化

 src/main/java/com/moon/server/helper/GeoHelper.java

@@ -17,6 +17,10 @@
 * @date 2023-09-14
 */
public class GeoHelper {
    public static SpatialReference sr4326;

    public static SpatialReference sr4490;

    public static SpatialReference sr104903;

    public final static double MOON_RADIUS = 1738000;
@@ -30,6 +34,12 @@
     */
    public static void initSr() {
        try {
            sr4326 = new SpatialReference();
            sr4326.ImportFromEPSG(StaticData.I4326);

            sr4490 = new SpatialReference();
            sr4490.ImportFromEPSG(StaticData.I4490);

            sr104903 = new SpatialReference(StaticData.MOON_2000_WKT);

            crs104903 = CRS.parseWKT(StaticData.MOON_2000_WKT);

 src/main/java/com/moon/server/service/data/ReadRasterService.java

@@ -2,6 +2,7 @@

import com.moon.server.entity.all.StaticData;
import com.moon.server.entity.data.MetaFileEntity;
import com.moon.server.helper.GeoHelper;
import com.moon.server.helper.StringHelper;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@@ -25,28 +26,7 @@
 */
@Service
public class ReadRasterService {
    private SpatialReference sr4326;

    private SpatialReference sr4490;

    private SpatialReference sr104903;

    private final static Log log = LogFactory.getLog(ReadRasterService.class);

    /**
     * 初始化空间引用
     */
    private void initSpatialReference() {
        if (null == sr4326) {
            sr4326 = new SpatialReference();
            sr4326.ImportFromEPSG(StaticData.I4326);

            sr4490 = new SpatialReference();
            sr4490.ImportFromEPSG(StaticData.I4490);

            sr104903 = new SpatialReference(StaticData.MOON_2000_WKT);
        }
    }

    /**
     * 读取栅格信息
@@ -204,8 +184,6 @@
     * 坐标转换
     */
    private Geometry transform(Dataset ds, Geometry point) {
        this.initSpatialReference();

        point.AssignSpatialReference(ds.GetSpatialRef());
        if (ds.GetSpatialRef().IsGeographic() > 0) {
            return point;
@@ -213,9 +191,9 @@

        String srsName = ds.GetSpatialRef().GetName();
        if (srsName.contains(StaticData.CGCS2000)) {
            point.TransformTo(sr4490);
            point.TransformTo(GeoHelper.sr4490);
        } else {
            point.TransformTo(sr4326);
            point.TransformTo(GeoHelper.sr4326);
        }
        point.SwapXY();