diff --git a/.cargo/config.toml b/.cargo/config.toml
new file mode 100644
index 0000000..3530dfa
--- /dev/null
+++ b/.cargo/config.toml
@@ -0,0 +1,2 @@
+[build]
+rustflags = ["-C", "force-frame-pointers"]
diff --git a/disk/src/agg.rs b/disk/src/agg.rs
index 4c046f7..e442a5f 100644
--- a/disk/src/agg.rs
+++ b/disk/src/agg.rs
@@ -62,7 +62,23 @@ impl AggregatableXdim1Bin for ValuesDim1 {
             maxs: Vec::with_capacity(self.tss.len()),
             avgs: Vec::with_capacity(self.tss.len()),
         };
-        // TODO do the actual binning
+        for i1 in 0..self.tss.len() {
+            let ts = self.tss[i1];
+            let mut min = f32::MAX;
+            let mut max = f32::MIN;
+            let mut sum = 0f32;
+            let vals = &self.values[i1];
+            for i2 in 0..vals.len() {
+                let v = vals[i2];
+                min = min.min(v);
+                max = max.max(v);
+                sum += v;
+            }
+            ret.tss.push(ts);
+            ret.mins.push(min);
+            ret.maxs.push(max);
+            ret.avgs.push(sum / ret.tss.len() as f32);
+        }
         ret
     }
 
@@ -92,12 +108,24 @@ impl AggregatableXdim1Bin for MinMaxAvgScalarEventBatch {
 impl AggregatableTdim for MinMaxAvgScalarEventBatch {
     type Output = MinMaxAvgScalarBinBatch;
     type Aggregator = MinMaxAvgScalarEventBatchAggregator;
+
     fn aggregator_new(&self) -> Self::Aggregator {
-        todo!()
+        MinMaxAvgScalarEventBatchAggregator::new()
     }
+
 }
 
-pub struct MinMaxAvgScalarEventBatchAggregator {}
+pub struct MinMaxAvgScalarEventBatchAggregator {
+}
+
+impl MinMaxAvgScalarEventBatchAggregator {
+
+    pub fn new() -> Self {
+        Self {
+        }
+    }
+
+}
 
 impl AggregatorTdim for MinMaxAvgScalarEventBatchAggregator {
     type OutputValue = MinMaxAvgScalarBinBatch;
@@ -254,20 +282,59 @@ pub struct IntoBinnedXBins1DefaultStream<S, I> where S: Stream<Item=Result<I, Er
 }
 
 impl<S, I> Stream for IntoBinnedXBins1DefaultStream<S, I> where S: Stream<Item=Result<I, Error>> + Unpin, I: AggregatableXdim1Bin {
-    type Item = Result<MinMaxAvgScalarEventBatch, Error>;
+    type Item = Result<I::Output, Error>;
+
+    fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Option<Self::Item>> {
+        use Poll::*;
+        match self.inp.poll_next_unpin(cx) {
+            Ready(Some(Ok(k))) => Ready(Some(Ok(k.into_agg()))),
+            Ready(Some(Err(e))) => Ready(Some(Err(e))),
+            Ready(None) => Ready(None),
+            Pending => Pending,
+        }
+    }
+
+}
+
+
+
+pub trait IntoBinnedT {
+    type StreamOut: Stream;
+    fn into_binned_t(self) -> Self::StreamOut;
+}
+
+impl<T, I> IntoBinnedT for T where I: AggregatableTdim, T: Stream<Item=Result<I, Error>> + Unpin {
+    //type Bla = <<I as AggregatableTdim>::Aggregator as AggregatorTdim>::OutputValue;
+    type StreamOut = IntoBinnedTDefaultStream<T, I>;
+
+    fn into_binned_t(self) -> Self::StreamOut {
+        IntoBinnedTDefaultStream::new(self)
+    }
+
+}
+
+pub struct IntoBinnedTDefaultStream<S, I> where I: AggregatableTdim, S: Stream<Item=Result<I, Error>> {
+    inp: S,
+}
+
+impl<S, I> IntoBinnedTDefaultStream<S, I> where I: AggregatableTdim, S: Stream<Item=Result<I, Error>> {
+
+    pub fn new(inp: S) -> Self {
+        Self {
+            inp: inp,
+        }
+    }
+
+}
+
+impl<T, I> Stream for IntoBinnedTDefaultStream<T, I> where I: AggregatableTdim, T: Stream<Item=Result<I, Error>> + Unpin {
+    type Item = Result<MinMaxAvgScalarBinSingle, Error>;
 
     fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Option<Self::Item>> {
         use Poll::*;
         match self.inp.poll_next_unpin(cx) {
             Ready(Some(Ok(k))) => {
-                let ret = MinMaxAvgScalarEventBatch {
-                    // TODO fill in the details
-                    tss: vec![],
-                    mins: vec![],
-                    maxs: vec![],
-                    avgs: vec![],
-                };
-                Ready(Some(Ok(ret)))
+                todo!()
             }
             Ready(Some(Err(e))) => Ready(Some(Err(e))),
             Ready(None) => Ready(None),
@@ -281,6 +348,7 @@ impl<S, I> Stream for IntoBinnedXBins1DefaultStream<S, I> where S: Stream<Item=R
 
 
 
+
 #[test]
 fn agg_x_dim_1() {
     crate::run(async { agg_x_dim_1_inner().await; Ok(()) }).unwrap();
@@ -339,10 +407,10 @@ async fn agg_x_dim_1_inner() {
     })
     .into_binned_x_bins_1()
     .map(|k| {
-        let k = k.unwrap();
-        info!("after X binning  {:?}", k);
+        info!("after X binning  {:?}", k.as_ref().unwrap());
         k
     })
+    .into_binned_t()
     .for_each(|k| ready(()));
     fut1.await;
 }