Revision: 6512
http://sourceforge.net/p/jump-pilot/code/6512
Author: ma15569
Date: 2020-09-22 10:25:35 +0000 (Tue, 22 Sep 2020)
Log Message:
-----------
Javadoc
Modified Paths:
--------------
core/trunk/src/org/openjump/sigle/utilities/geom/FeatureCollectionUtil.java
Modified:
core/trunk/src/org/openjump/sigle/utilities/geom/FeatureCollectionUtil.java
===================================================================
--- core/trunk/src/org/openjump/sigle/utilities/geom/FeatureCollectionUtil.java
2020-09-22 10:04:12 UTC (rev 6511)
+++ core/trunk/src/org/openjump/sigle/utilities/geom/FeatureCollectionUtil.java
2020-09-22 10:25:35 UTC (rev 6512)
@@ -103,8 +103,18 @@
}
/**
- * Method to make a FeatureCollection valid
- * @param fc
+ * Method to make valid all the geometries of a FeatureCollection
+ * using the class MakeValidOp.
+ * A geometry is not valid if it is not simple:
+ * This condition occurs when any of the following conditions are true:
+ * Incorrect ring orientation (polygon), self-intersection rings
(polygon)
+ * self-intersection path (polyline), unclosed ring (polygon)
+ * (see also
https://desktop.arcgis.com/en/arcmap/latest/extensions/data-reviewer/finding-invalid-geometry.htm
+ * for the complete list).
+ * This method should be applied before merge feature
+ * [see method unionByAttributeValue(FeatureCollection
featureCollection, String attrbuteName)]
+ * as not simple geometries will be not processed
+ * @param FeatureCollection fc
*/
public static void validFeatureCollection(FeatureCollection fc) {
MakeValidOp makeValidOp = new MakeValidOp();
@@ -119,12 +129,12 @@
/**
* Mathod to merge geometries of a FeaureCollection according
- * to an attribute
- * @param featureCollection
- * @param value
+ * to the values of an attribute name
+ * @param FeatureCollection fc
+ * @param String attrbuteName
* @throws Exception
*/
- public static void unionByAttributeValue(FeatureCollection
featureCollection, String value) throws Exception {
+ public static void unionByAttributeValue(FeatureCollection
featureCollection, String attrbuteName) throws Exception {
FeatureSchema schema = featureCollection.getFeatureSchema();
if (featureCollection.getFeatures().size() > 1 &&
featureCollection.getFeatures().get(0).getGeometry() != null) {
@@ -139,7 +149,7 @@
newSchema = schema;
Map<Object, FeatureCollection> map = new HashMap<Object,
FeatureCollection>();
for (Feature feature : featureCollection.getFeatures()) {
- Object key = feature.getAttribute(value);
+ Object key = feature.getAttribute(attrbuteName);
if (!map.containsKey(key)) {
FeatureCollection fd = new
FeatureDataset(featureCollection.getFeatureSchema());
fd.add(feature);
@@ -154,7 +164,7 @@
FeatureCollection fca = map.get(key);
if (fca.size() > 0) {
Feature feature = union(fca);
- feature.setAttribute(value, key);
+ feature.setAttribute(attrbuteName, key);
Feature newFeature = new BasicFeature(newSchema);
// Copy feature attributes in newFeature
for (int j = 0, max = newSchema.getAttributeCount() ;
j < max ; j++) {
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