{"action":"created","comment":{"url":"https://api.github.com/repos/gbif/pipelines/pulls/comments/174724192","pull_request_review_id":104130247,"id":174724192,"diff_hunk":"@@ -0,0 +1,150 @@\n+package org.gbif.pipelines.core.parsers.legacy;\n+\n+import org.gbif.common.parsers.core.ParseResult;\n+import org.gbif.common.parsers.geospatial.DatumParser;\n+import org.gbif.common.parsers.geospatial.LatLng;\n+import org.gbif.dwc.terms.DwcTerm;\n+import org.gbif.pipelines.core.parsers.InterpretationIssue;\n+import org.gbif.pipelines.core.parsers.ParsedField;\n+import org.gbif.pipelines.io.avro.IssueType;\n+\n+import java.util.ArrayList;\n+import java.util.List;\n+\n+import com.google.common.annotations.VisibleForTesting;\n+import com.google.common.base.Preconditions;\n+import com.google.common.base.Strings;\n+import org.geotools.factory.BasicFactories;\n+import org.geotools.factory.FactoryRegistryException;\n+import org.geotools.referencing.CRS;\n+import org.geotools.referencing.crs.DefaultGeographicCRS;\n+import org.geotools.referencing.cs.DefaultEllipsoidalCS;\n+import org.opengis.referencing.FactoryException;\n+import org.opengis.referencing.crs.CoordinateReferenceSystem;\n+import org.opengis.referencing.datum.DatumAuthorityFactory;\n+import org.opengis.referencing.datum.GeodeticDatum;\n+import org.opengis.referencing.operation.MathTransform;\n+import org.slf4j.Logger;\n+import org.slf4j.LoggerFactory;\n+\n+/**\n+ * Utils class that reprojects to WGS84 based on geotools transformations and SRS databases.\n+ */\n+public class Wgs84Projection {\n+\n+  private static final Logger LOG = LoggerFactory.getLogger(Wgs84Projection.class);\n+  private static final DatumParser PARSER = DatumParser.getInstance();\n+  private static final double SUSPICIOUS_SHIFT = 0.1d;\n+  private static DatumAuthorityFactory DATUM_FACTORY;\n+\n+  private Wgs84Projection() {}\n+\n+  static {\n+    try {\n+      DATUM_FACTORY = BasicFactories.getDefault().getDatumAuthorityFactory();\n+      LOG.info(\"Wgs84Projection utils created\");\n+    } catch (FactoryRegistryException e) {\n+      LOG.error(\"Failed to create geotools datum factory\", e);\n+    }\n+  }\n+\n+  /**\n+   * Reproject the given location into WGS84 location based on a known source datum or SRS.\n+   * Darwin Core allows not only geodetic datums but also full spatial reference systems as values for \"datum\".\n+   * The method will always return lat lons even if the processing failed. In that case only issues are set and the\n+   * parsing result set to fail - but with a valid payload.\n+   *\n+   * @param lat   the original latitude\n+   * @param lon   the original longitude\n+   * @param datum the original geodetic datum the location are in\n+   *\n+   * @return the reprojected location or the original ones in case transformation failed\n+   */\n+  public static ParsedField<LatLng> reproject(double lat, double lon, String datum) {\n+    Preconditions.checkArgument(lat >= -90d && lat <= 90d);\n+    Preconditions.checkArgument(lon >= -180d && lon <= 180d);\n+\n+    List<InterpretationIssue> issues = new ArrayList<>();\n+\n+    if (Strings.isNullOrEmpty(datum)) {\n+      issues.add(new InterpretationIssue(IssueType.GEODETIC_DATUM_ASSUMED_WGS84, DwcTerm.geodeticDatum));\n+      return ParsedField.success(new LatLng(lat, lon), issues);\n+    }\n+\n+    try {\n+      CoordinateReferenceSystem crs = parseCRS(datum);\n+      if (crs == null) {\n+        issues.add(new InterpretationIssue(IssueType.GEODETIC_DATUM_INVALID, DwcTerm.geodeticDatum));\n+        issues.add(new InterpretationIssue(IssueType.GEODETIC_DATUM_ASSUMED_WGS84, DwcTerm.geodeticDatum));\n+\n+      } else {\n+        MathTransform transform = CRS.findMathTransform(crs, DefaultGeographicCRS.WGS84, true);\n+        // different CRS may swap the x/y axis for lat lon, so check first:\n+        double[] srcPt;\n+        double[] dstPt = new double[3];\n+        if (CRS.getAxisOrder(crs) == CRS.AxisOrder.NORTH_EAST) {\n+          // lat lon\n+          srcPt = new double[] {lat, lon, 0};\n+        } else {\n+          // lon lat\n+          LOG.debug(\"Use lon/lat ordering for reprojection with datum={} and lat/lon={}/{}\", datum, lat, lon);\n+          srcPt = new double[] {lon, lat, 0};\n+        }\n+\n+        transform.transform(srcPt, 0, dstPt, 0, 1);\n+\n+        double lat2 = dstPt[1];\n+        double lon2 = dstPt[0];\n+        // verify the datum shift is reasonable\n+        if (Math.abs(lat - lat2) > SUSPICIOUS_SHIFT || Math.abs(lon - lon2) > SUSPICIOUS_SHIFT) {\n+          issues.add(new InterpretationIssue(IssueType.COORDINATE_REPROJECTION_SUSPICIOUS, DwcTerm.geodeticDatum));\n+          LOG.debug(\"Found suspicious shift for datum={} and lat/lon={}/{} so returning failure and keeping orig coord\",\n+            datum, lat, lon);\n+          return ParsedField.fail(new LatLng(lat, lon), issues);\n+        }\n+        // flag the record if coords actually changed\n+        if (lat != lat2 || lon != lon2) {","path":"core/src/main/java/org/gbif/pipelines/core/parsers/legacy/Wgs84Projection.java","position":106,"original_position":106,"commit_id":"6399db486db360420ad24f2631541ed7cb4b54bd","original_commit_id":"6399db486db360420ad24f2631541ed7cb4b54bd","user":{"login":"fmendezh","id":5814843,"avatar_url":"https://avatars1.githubusercontent.com/u/5814843?v=4","gravatar_id":"","url":"https://api.github.com/users/fmendezh","html_url":"https://github.com/fmendezh","followers_url":"https://api.github.com/users/fmendezh/followers","following_url":"https://api.github.com/users/fmendezh/following{/other_user}","gists_url":"https://api.github.com/users/fmendezh/gists{/gist_id}","starred_url":"https://api.github.com/users/fmendezh/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/fmendezh/subscriptions","organizations_url":"https://api.github.com/users/fmendezh/orgs","repos_url":"https://api.github.com/users/fmendezh/repos","events_url":"https://api.github.com/users/fmendezh/events{/privacy}","received_events_url":"https://api.github.com/users/fmendezh/received_events","type":"User","site_admin":false},"body":"this must be changed to (Double.compare(lat, lat2) + Double.compare(lon, lon2)) != 0 or something similar, compare 2 doubles in Java is vert unsafe: https://www.krenger.ch/blog/java-comparing-floating-point-numbers/","created_at":"2018-03-15T09:42:09Z","updated_at":"2018-03-15T09:42:09Z","html_url":"https://github.com/gbif/pipelines/pull/63#discussion_r174724192","pull_request_url":"https://api.github.com/repos/gbif/pipelines/pulls/63","author_association":"CONTRIBUTOR","_links":{"self":{"href":"https://api.github.com/repos/gbif/pipelines/pulls/comments/174724192"},"html":{"href":"https://github.com/gbif/pipelines/pull/63#discussion_r174724192"},"pull_request":{"href":"https://api.github.com/repos/gbif/pipelines/pulls/63"}}},"pull_request":{"url":"https://api.github.com/repos/gbif/pipelines/pulls/63","id":174012709,"html_url":"https://github.com/gbif/pipelines/pull/63","diff_url":"https://github.com/gbif/pipelines/pull/63.diff","patch_url":"https://github.com/gbif/pipelines/pull/63.patch","issue_url":"https://api.github.com/repos/gbif/pipelines/issues/63","number":63,"state":"open","locked":false,"title":"#35 geocode interpretation","user":{"login":"asturcon","id":25691745,"avatar_url":"https://avatars3.githubusercontent.com/u/25691745?v=4","gravatar_id":"","url":"https://api.github.com/users/asturcon","html_url":"https://github.com/asturcon","followers_url":"https://api.github.com/users/asturcon/followers","following_url":"https://api.github.com/users/asturcon/following{/other_user}","gists_url":"https://api.github.com/users/asturcon/gists{/gist_id}","starred_url":"https://api.github.com/users/asturcon/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/asturcon/subscriptions","organizations_url":"https://api.github.com/users/asturcon/orgs","repos_url":"https://api.github.com/users/asturcon/repos","events_url":"https://api.github.com/users/asturcon/events{/privacy}","received_events_url":"https://api.github.com/users/asturcon/received_events","type":"User","site_admin":false},"body":"Closes the #35 \r\n\r\nTechnical Debt:\r\n- I had to duplicate some code in the gbif and labs modules to mock the WS calls. We should either find another way to mock this calls when testing PTransforms(preferred) or find a way to share test resources across the modules.\r\n- I am passing to the Trace class only the first term of the interpretation, but maybe Trace should receive a list of terms.\r\n- I ignored the TaxonomyInterpretationPipelineTest. I think we could remove this test and the pipeline. I need to review it more carefully.","created_at":"2018-03-09T14:04:36Z","updated_at":"2018-03-15T09:42:09Z","closed_at":null,"merged_at":null,"merge_commit_sha":"6e9b0460e070b379dc6e52cdbffc696cf6d9750c","assignee":{"login":"fmendezh","id":5814843,"avatar_url":"https://avatars1.githubusercontent.com/u/5814843?v=4","gravatar_id":"","url":"https://api.github.com/users/fmendezh","html_url":"https://github.com/fmendezh","followers_url":"https://api.github.com/users/fmendezh/followers","following_url":"https://api.github.com/users/fmendezh/following{/other_user}","gists_url":"https://api.github.com/users/fmendezh/gists{/gist_id}","starred_url":"https://api.github.com/users/fmendezh/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/fmendezh/subscriptions","organizations_url":"https://api.github.com/users/fmendezh/orgs","repos_url":"https://api.github.com/users/fmendezh/repos","events_url":"https://api.github.com/users/fmendezh/events{/privacy}","received_events_url":"https://api.github.com/users/fmendezh/received_events","type":"User","site_admin":false},"assignees":[{"login":"fmendezh","id":5814843,"avatar_url":"https://avatars1.githubusercontent.com/u/5814843?v=4","gravatar_id":"","url":"https://api.github.com/users/fmendezh","html_url":"https://github.com/fmendezh","followers_url":"https://api.github.com/users/fmendezh/followers","following_url":"https://api.github.com/users/fmendezh/following{/other_user}","gists_url":"https://api.github.com/users/fmendezh/gists{/gist_id}","starred_url":"https://api.github.com/users/fmendezh/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/fmendezh/subscriptions","organizations_url":"https://api.github.com/users/fmendezh/orgs","repos_url":"https://api.github.com/users/fmendezh/repos","events_url":"https://api.github.com/users/fmendezh/events{/privacy}","received_events_url":"https://api.github.com/users/fmendezh/received_events","type":"User","site_admin":false}],"requested_reviewers":[],"requested_teams":[],"labels":[],"milestone":null,"commits_url":"https://api.github.com/repos/gbif/pipelines/pulls/63/commits","review_comments_url":"https://api.github.com/repos/gbif/pipelines/pulls/63/comments","review_comment_url":"https://api.github.com/repos/gbif/pipelines/pulls/comments{/number}","comments_url":"https://api.github.com/repos/gbif/pipelines/issues/63/comments","statuses_url":"https://api.github.com/repos/gbif/pipelines/statuses/6399db486db360420ad24f2631541ed7cb4b54bd","head":{"label":"gbif:#35-GeocodeInterpretation","ref":"#35-GeocodeInterpretation","sha":"6399db486db360420ad24f2631541ed7cb4b54bd","user":{"login":"gbif","id":1963797,"avatar_url":"https://avatars2.githubusercontent.com/u/1963797?v=4","gravatar_id":"","url":"https://api.github.com/users/gbif","html_url":"https://github.com/gbif","followers_url":"https://api.github.com/users/gbif/followers","following_url":"https://api.github.com/users/gbif/following{/other_user}","gists_url":"https://api.github.com/users/gbif/gists{/gist_id}","starred_url":"https://api.github.com/users/gbif/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/gbif/subscriptions","organizations_url":"https://api.github.com/users/gbif/orgs","repos_url":"https://api.github.com/users/gbif/repos","events_url":"https://api.github.com/users/gbif/events{/privacy}","received_events_url":"https://api.github.com/users/gbif/received_events","type":"Organization","site_admin":false},"repo":{"id":104889165,"name":"pipelines","full_name":"gbif/pipelines","owner":{"login":"gbif","id":1963797,"avatar_url":"https://avatars2.githubusercontent.com/u/1963797?v=4","gravatar_id":"","url":"https://api.github.com/users/gbif","html_url":"https://github.com/gbif","followers_url":"https://api.github.com/users/gbif/followers","following_url":"https://api.github.com/users/gbif/following{/other_user}","gists_url":"https://api.github.com/users/gbif/gists{/gist_id}","starred_url":"https://api.github.com/users/gbif/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/gbif/subscriptions","organizations_url":"https://api.github.com/users/gbif/orgs","repos_url":"https://api.github.com/users/gbif/repos","events_url":"https://api.github.com/users/gbif/events{/privacy}","received_events_url":"https://api.github.com/users/gbif/received_events","type":"Organization","site_admin":false},"private":false,"html_url":"https://github.com/gbif/pipelines","description":"Pipelines 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