Hello,

I try to visualise parts of a point cloud (POLYVERTEX) using the
threshold-filter.

But any threshold-value will remove _all_ points instead of only a few.
I wonder if this is a bug...

I attached a example-xmf-file. If you you try to visualise only the
points with 'type'>0 all points disappear, even though there are points
with type=1.0

Any idea?

Greetings
Jens
<?xml version="1.0" ?>
<!DOCTYPE Xdmf SYSTEM "Xdmf.dtd" []>

<Xdmf Version="2.0" xmlns:xi="http://www.w3.org/2001/XInclude"; >
    <Domain Name="Point-Cloud">
        <Grid Name="Points" Type="Uniform">

            <Topology Type="POLYVERTEX" NodesPerElement="4" Dimension="1"> </Topology>
            <Geometry Type="XYZ">
		<DataItem ItemType="Uniform" Format="XML" NumberType="Float" Precision="8" Dimensions="4 3">
			1.0 1.0 1.0
			2.0 2.0 2.0
			3.0 3.0 3.0
			4.0 4.0 4.0
		</DataItem>
            </Geometry>

            <!-- type -->
            <Attribute Active="1" Type="Scalar" Center="Node" Name="type">
                <DataItem ItemType="Uniform" Format="XMF" NumberType="Int" Precision="4" Dimensions="4">
			1.0
			-1.0
			1.0
			-1.0
                </DataItem>
            </Attribute>

        </Grid>
    </Domain>
</Xdmf>
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