Revision: 6513
http://sourceforge.net/p/jump-pilot/code/6513
Author: edso
Date: 2020-09-22 11:26:31 +0000 (Tue, 22 Sep 2020)
Log Message:
-----------
some rephrasing/formatting
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 10:25:35 UTC (rev 6512)
+++ core/trunk/src/org/openjump/sigle/utilities/geom/FeatureCollectionUtil.java
2020-09-22 11:26:31 UTC (rev 6513)
@@ -105,15 +105,18 @@
/**
* 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
+ * 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 merging features via
+ * {@link #unionByAttributeValue(FeatureCollection, String)
+ * because not simple geometries will be not processed
+ *
* @param FeatureCollection fc
*/
public static void validFeatureCollection(FeatureCollection fc) {
@@ -128,13 +131,14 @@
}
/**
- * Mathod to merge geometries of a FeaureCollection according
- * to the values of an attribute name
+ * Merge features and their geometries in the FeatureCollection given
+ * when the given attribute name contains identical values
+ *
* @param FeatureCollection fc
- * @param String attrbuteName
+ * @param String attributeName
* @throws Exception
*/
- public static void unionByAttributeValue(FeatureCollection
featureCollection, String attrbuteName) throws Exception {
+ public static void unionByAttributeValue(FeatureCollection
featureCollection, String attributeName) throws Exception {
FeatureSchema schema = featureCollection.getFeatureSchema();
if (featureCollection.getFeatures().size() > 1 &&
featureCollection.getFeatures().get(0).getGeometry() != null) {
@@ -149,7 +153,7 @@
newSchema = schema;
Map<Object, FeatureCollection> map = new HashMap<Object,
FeatureCollection>();
for (Feature feature : featureCollection.getFeatures()) {
- Object key = feature.getAttribute(attrbuteName);
+ Object key = feature.getAttribute(attributeName);
if (!map.containsKey(key)) {
FeatureCollection fd = new
FeatureDataset(featureCollection.getFeatureSchema());
fd.add(feature);
@@ -164,7 +168,7 @@
FeatureCollection fca = map.get(key);
if (fca.size() > 0) {
Feature feature = union(fca);
- feature.setAttribute(attrbuteName, key);
+ feature.setAttribute(attributeName, 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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