Try using BufferOp instead of BufferBuilder. BufferOp contains extra
logic to handle topological errors.
BufferBuilder is only intended for internal use, so should really be
package-private.
On 1/3/2014 5:10 AM, Schulte, Lukas wrote:
Hey guys,
recently i created a multilinestring consisting of many linestrings.
Than i created a bufferdbuiler with round endcapstyle. After that i
created a Geometry with:
builder.buffer(mp, 0.5). As i wanted to get the area of the new
geometry, this error occured:
*Error:*
Exception in thread "main"
com.vividsolutions.jts.geom.TopologyException: depth mismatch at (4.5,
0.0, NaN)
at
com.vividsolutions.jts.geomgraph.DirectedEdgeStar.computeDepths(DirectedEdgeStar.java:372)
at
com.vividsolutions.jts.operation.buffer.BufferSubgraph.computeNodeDepth(BufferSubgraph.java:237)
at
com.vividsolutions.jts.operation.buffer.BufferSubgraph.computeDepths(BufferSubgraph.java:202)
at
com.vividsolutions.jts.operation.buffer.BufferSubgraph.computeDepth(BufferSubgraph.java:179)
at
com.vividsolutions.jts.operation.buffer.BufferBuilder.buildSubgraphs(BufferBuilder.java:291)
at
com.vividsolutions.jts.operation.buffer.BufferBuilder.buffer(BufferBuilder.java:156)
at
com.lschulte.business.distribution.tree.TreeDistribution.main(TreeDistribution.java:96)
*Code:*
MultiLineString mp = f.createMultiLineString(lines); //the elements in
lines are normal linestring(e.g. from (0.0/0.0) to (5.0/0.0) )
BufferBuilder builder = new BufferBuilder(new BufferParameters(100, 1));
Geometry bufferedArea = builder.buffer(mp, 0.5);
System.out.println(buffer.getArea());
The error occures only the endcapstyle is round, if i am usin the flat
style everythin goes right.
Do you know what to do?
Cheers,
Lukas
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