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Process coastlines

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This commit is contained in:
Victor Shcherb 2012-03-31 16:57:38 +02:00
parent 8eae9b26bf
commit 06ec6db070
1 changed files with 20 additions and 10 deletions
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30
DataExtractionOSM/src/net/osmand/data/preparation/CoastlineProcessor.java
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@ -185,43 +185,53 @@ public class CoastlineProcessor {
int nextLonMaximum = ind + 1;
double lonEnd = first.getLongitude();
double latPeek = first.getLatitude();
double latLocPeek = first.getLatitude();
int latPeekInd = ind;
int latLocPeekInd = ind;
for (int j = ind + 1; j < chain.size(); j++) {
if (directionToRight) {
if (chain.get(j).getLatitude() <= latPeek) {
latPeek = chain.get(j).getLatitude();
latPeekInd = j;
}
if (chain.get(j).getLongitude() >= lonEnd) {
nextLonMaximum = j;
lonEnd = chain.get(j).getLongitude();
latLocPeek = latPeek;
latLocPeekInd = latPeekInd;
} else if (chain.get(j).getLongitude() < first.getLongitude()) {
break;
}
} else {
if (chain.get(j).getLatitude() >= latPeek) {
latPeek = chain.get(j).getLatitude();
latPeekInd = j;
}
if (chain.get(j).getLongitude() <= lonEnd) {
nextLonMaximum = j;
lonEnd = chain.get(j).getLongitude();
latLocPeek = latPeek;
latLocPeekInd = latPeekInd;
} else if (chain.get(j).getLongitude() > first.getLongitude()) {
break;
}
}
}
for (int i = ind; i <= nextLonMaximum; i++) {
if(latLocPeekInd > ind) {
for (int i = ind; i <= latLocPeekInd; i++) {
subChain.add(chain.get(i));
}
Node ned = new Node(chain.get(latLocPeekInd).getLatitude(), first.getLongitude(), nodeId++);
subChain.add(ned);
subChain.add(first);
chains.add(subChain);
subChain= new ArrayList<Node>();
}
for (int i = latLocPeekInd; i <= nextLonMaximum; i++) {
subChain.add(chain.get(i));
}
Node ned = new Node(latLocPeek, lonEnd, nodeId++);
Node ned = new Node(chain.get(latLocPeekInd).getLatitude(), lonEnd, nodeId++);
subChain.add(ned);
if (latLocPeek != first.getLatitude()) {
ned = new Node(latLocPeek, first.getLongitude(), nodeId++);
subChain.add(ned);
}
ind = nextLonMaximum;
subChain.add(first);
subChain.add(chain.get(latLocPeekInd));
chains.add(subChain);
}