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- fixed issue with large GeometryCollection object intersection with spatial layer failing
- added cache to pid intersection
- added siteId parameter to controller action
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temi committed Sep 18, 2024
1 parent 11b6dcc commit 8a93bab
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Showing 3 changed files with 52 additions and 31 deletions.
14 changes: 14 additions & 0 deletions grails-app/conf/ecodata-ehcache.xml
Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,20 @@
<heap unit="entries">100</heap>
</resources>
</cache>
<cache alias="spatialPidFidIntersection">

<key-type>java.io.Serializable</key-type>
<value-type>java.io.Serializable</value-type>

<expiry>
<tti unit="days">365</tti>
</expiry>
<resources>
<heap unit="entries">200</heap>

<disk unit="MB" persistent="true">500</disk>
</resources>
</cache>
<cache alias="spatialPidObjectGeometry">

<key-type>java.io.Serializable</key-type>
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13 changes: 11 additions & 2 deletions grails-app/controllers/au/org/ala/ecodata/AdminController.groovy
Original file line number Diff line number Diff line change
Expand Up @@ -272,6 +272,7 @@ class AdminController {
dateFormat.setTimeZone(timeZoneUTC)
def isMERIT = params.getBoolean('isMERIT', true)
Date startDate = params.getDate("startDate", ["yyyy", "yyyy-MM-dd"]) ?: dateFormat.parse(defaultStartDate)
List siteIds = params.get("siteId")?.split(",")
def code = 'success'
def total = 0
def offset = 0
Expand All @@ -281,7 +282,10 @@ class AdminController {
log.debug("Number of fids to intersect: ${defaultFids.size()}; they are - ${defaultFids}")
def totalSites
List projectIds = []
if (isMERIT) {
if (siteIds) {
totalSites = siteIds.size()
}
else if (isMERIT) {
projectIds = projectService.getAllMERITProjectIds()
totalSites = Site.countByStatusAndProjectsInListAndDateCreatedGreaterThan('active', projectIds, startDate)
}
Expand All @@ -293,7 +297,12 @@ class AdminController {
while (count == batchSize) {
batchStartTime = startInterimTime = System.currentTimeMillis()
def sites
if (isMERIT) {
if (siteIds) {
sites = Site.findAllBySiteIdInList(siteIds, [offset: offset, max: batchSize, sort: "siteId", order: "asc"]).collect {
siteService.toMap(it, 'flat')
}
}
else if (isMERIT) {
sites = Site.findAllByProjectsInListAndStatusAndDateCreatedGreaterThan(projectIds, 'active', startDate, [offset: offset, max: batchSize, sort: "siteId", order: "asc"]).collect {
siteService.toMap(it, 'flat')
}
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56 changes: 27 additions & 29 deletions grails-app/services/au/org/ala/ecodata/SpatialService.groovy
Original file line number Diff line number Diff line change
Expand Up @@ -47,11 +47,25 @@ class SpatialService {
* supplied geometry
*/
Map<String,?> intersectGeometry(Map geoJson, List<String> fieldIds = null) {
int length = geoJson?.toString().size()
// We are using a WKT string instead of geojson as the spatial portal validates geojson - using
// WKT allows us to get away with self intersecting polygons that users occasionally draw.
String wkt
int threshold = grailsApplication.config.getProperty('spatial.geoJsonEnvelopeConversionThreshold', Integer)
Geometry geo = GeometryUtils.geoJsonMapToGeometry (geoJson)
if(length > threshold){
geoJson = GeometryUtils.geometryToGeoJsonMap (geo.getEnvelope())
Geometry geo
// Ignore threshold check for GeometryCollection collection
if (geo.geometryType != 'GeometryCollection') {
int length = geoJson?.toString().size()
if (length > threshold) {
geoJson = GeometryUtils.geometryToGeoJsonMap(geo.getEnvelope())
}

geo = GeometryUtils.geoJsonMapToGeometry (geoJson)
wkt = geo.toText()
} else {
geo = GeometryUtils.geoJsonMapToGeometry (geoJson)
GeometryCollection geometryCollection = (GeometryCollection)geo
Geometry convexHullGeometry = geometryCollection.union().convexHull()
wkt = convexHullGeometry.toText()
}

String url = grailsApplication.config.getProperty('spatial.baseUrl')+WKT_INTERSECT_URL_PREFIX
Expand All @@ -60,36 +74,16 @@ class SpatialService {
}

long start = System.currentTimeMillis()
// We are using a WKT string instead of geojson as the spatial portal validates geojson - using
// WKT allows us to get away with self intersecting polygons that users occasionally draw.
String wkt = geo.toText()
long end = System.currentTimeMillis()
log.info("Time taken to convert geojson to wkt: ${end-start}ms")


Map result = [:]
fieldIds.each { fid ->
start = end
Map response
if (geo.geometryType == 'GeometryCollection') {
Map<String, Map> geometryCollectionIntersections = [:]
GeometryCollection geometryCollection = (GeometryCollection)geo
for (int i=0; i<geometryCollection.numGeometries; i++) {
Geometry geometryN = geometryCollection.getGeometryN(i)
String wktGeometryN = geometryN.toText()
response = webService.doPost(url+fid, wktGeometryN)
if (response.resp && !response.error) {
response.resp?.each {geometryCollectionIntersections[it.pid] = it }
}
}

result[fid] = geometryCollectionIntersections.values()?.toList()
}
else {
response = webService.doPost(url+fid, wkt)
if (response.resp && !response.error) {
result[fid] = response.resp
}
Map response = webService.doPost(url+fid, wkt)
if (response.resp && !response.error) {
result[fid] = response.resp
}
end = System.currentTimeMillis()
log.info("Time taken to intersect with layer $fid: ${end-start}ms")
Expand All @@ -103,7 +97,6 @@ class SpatialService {
geographicFacets = [:].withDefault{[]}
GeometryCollection geometryCollection = (GeometryCollection)geo
for (int i=0; i<geometryCollection.numGeometries; i++) {

def (filtered, intersectionArea) = filterOutObjectsInBoundary(result, geometryCollection.getGeometryN(i))
start = end
Map geographicFacetsForGeometry = convertResponsesToGeographicFacets(filtered)
Expand Down Expand Up @@ -152,7 +145,7 @@ class SpatialService {
result[fid] = lookupTable[pidFid][pid][fid].collect{[name:it]}
}
else {
Object response = webService.getJson(url+fid+"/"+pid)
def response = getPidFidIntersection(url, fid, pid)
if (response instanceof List) {
result[fid] = response
}
Expand All @@ -167,6 +160,11 @@ class SpatialService {
geographicFacets
}

@Cacheable(value = "spatialPidFidIntersection")
def getPidFidIntersection(String url, String fid, String pid) {
webService.getJson(url + fid + "/" + pid)
}

private List filterOutObjectsInBoundary(Map response, Map mainObjectGeoJson) {
Geometry mainGeometry = GeometryUtils.geoJsonMapToGeometry(mainObjectGeoJson)
filterOutObjectsInBoundary(response, mainGeometry)
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