diff --git a/kernels/info/InfoKernel.cpp b/kernels/info/InfoKernel.cpp
index 5ed58d094f..a14df98ba0 100644
--- a/kernels/info/InfoKernel.cpp
+++ b/kernels/info/InfoKernel.cpp
@@ -406,7 +406,7 @@ MetadataNode InfoKernel::dumpQuery(PointViewPtr inView) const
     else
         count = 0;
     if (count == 0)
-        throw pdal_error("Invalid location specificiation. "
+        throw pdal_error("Invalid location specification. "
             "--query=\"X,Y[/count]\"");
 
     auto seps = [](char c){ return (c == ',' || c == '|' || c == ' '); };
diff --git a/plugins/hexbin/filters/HexBin.cpp b/plugins/hexbin/filters/HexBin.cpp
index 63c77be7c2..7a974d3f0b 100644
--- a/plugins/hexbin/filters/HexBin.cpp
+++ b/plugins/hexbin/filters/HexBin.cpp
@@ -95,8 +95,21 @@ void HexBin::filter(PointView& view)
 void HexBin::done(PointTableRef table)
 {
     m_grid->processSample();
-    m_grid->findShapes();
-    m_grid->findParentPaths();
+
+    try
+    {
+        m_grid->findShapes();
+        m_grid->findParentPaths();
+    }
+    catch (hexer::hexer_error& e)
+    {
+        m_metadata.add("error", e.what(), "Hexer threw an error and was unable to compute a boundary");
+        m_metadata.add("boundary", "MULTIPOLYGON EMPTY", "Empty polygon -- unable to compute boundary");
+
+        return;
+
+    }
+
 
     std::ostringstream offsets;
     offsets << "MULTIPOINT (";
diff --git a/scripts/docker/Dockerfile b/scripts/docker/Dockerfile
index e464d326e9..664827ad4e 100644
--- a/scripts/docker/Dockerfile
+++ b/scripts/docker/Dockerfile
@@ -56,7 +56,7 @@ RUN git clone https://github.com/PDAL/PRC.git \
     && cmake \
         -DCMAKE_BUILD_TYPE=Release \
         -DPDAL_DIR=/usr/lib/pdal/cmake \
-        -DCMAKE_BUILD_PREFIX=/usr \
+        -DCMAKE_INSTALL_PREFIX=/usr \
         .. \
     && make \
     && make install \
diff --git a/src/Dimension.json b/src/Dimension.json
index 5e756a2b7d..ee9c4bd775 100644
--- a/src/Dimension.json
+++ b/src/Dimension.json
@@ -327,5 +327,15 @@
     "alt_names": "Elevation_High",
     "type": "double",
     "description": "Elevation High"
+    },
+    {
+    "name": "PointId",
+    "type": "uint32",
+    "description": "An explicit representation of point ordering within a file, which allows this usually-implicit information to be preserved when reordering points."
+    },
+    {
+    "name": "OriginId",
+    "type": "uint32",
+    "description": "A file source ID from which the point originated.  This ID is global to a derivative dataset which may be aggregated from multiple files."
     }
 ] }