diff --git a/Sources/Proxy/Core/AbstractRepresentationProxy/index.js b/Sources/Proxy/Core/AbstractRepresentationProxy/index.js
index 6f25cc9c3c0..dd7e5d132cc 100644
--- a/Sources/Proxy/Core/AbstractRepresentationProxy/index.js
+++ b/Sources/Proxy/Core/AbstractRepresentationProxy/index.js
@@ -2,17 +2,6 @@ import macro from 'vtk.js/Sources/macro';
 import vtkMapper from 'vtk.js/Sources/Rendering/Core/Mapper';
 import vtkScalarsToColors from 'vtk.js/Sources/Common/Core/ScalarsToColors';
 
-// ----------------------------------------------------------------------------
-
-function connectMapper(mapper, input) {
-  const algo = input.getAlgo();
-  if (algo) {
-    mapper.setInputConnection(algo.getOutputPort());
-  } else {
-    mapper.setInputData(input.getDataset());
-  }
-}
-
 // ----------------------------------------------------------------------------
 // vtkAbstractRepresentationProxy methods
 // ----------------------------------------------------------------------------
@@ -21,10 +10,30 @@ function vtkAbstractRepresentationProxy(publicAPI, model) {
   // Set our className
   model.classHierarchy.push('vtkAbstractRepresentationProxy');
 
+  function updateConnectivity() {
+    if (model.input) {
+      let count = model.sourceDependencies.length;
+      while (count--) {
+        model.sourceDependencies[count].setInputData(model.input.getDataset());
+      }
+    }
+  }
+
   publicAPI.setInput = (source) => {
+    if (model.sourceSubscription) {
+      model.sourceSubscription.unsubscribe();
+      model.sourceSubscription = null;
+    }
     publicAPI.gcPropertyLinks();
     model.input = source;
     publicAPI.updateColorByDomain();
+
+    if (model.input) {
+      updateConnectivity();
+      model.sourceSubscription = model.input.onDatasetChange(
+        updateConnectivity
+      );
+    }
   };
 
   publicAPI.getInputDataSet = () =>
@@ -268,6 +277,13 @@ function vtkAbstractRepresentationProxy(publicAPI, model) {
       },
     });
   };
+
+  publicAPI.delete = macro.chain(() => {
+    if (model.sourceSubscription) {
+      model.sourceSubscription.unsubscribe();
+      model.sourceSubscription = null;
+    }
+  }, publicAPI.delete);
 }
 
 // ----------------------------------------------------------------------------
@@ -277,6 +293,7 @@ function vtkAbstractRepresentationProxy(publicAPI, model) {
 const DEFAULT_VALUES = {
   actors: [],
   volumes: [],
+  sourceDependencies: [],
 };
 
 // ----------------------------------------------------------------------------
@@ -292,4 +309,4 @@ function extend(publicAPI, model, initialValues = {}) {
   macro.proxy(publicAPI, model);
 }
 
-export default { extend, connectMapper };
+export default { extend };
diff --git a/Sources/Proxy/Core/ProxyManager/core.js b/Sources/Proxy/Core/ProxyManager/core.js
index bd3fa772f63..e809611f921 100644
--- a/Sources/Proxy/Core/ProxyManager/core.js
+++ b/Sources/Proxy/Core/ProxyManager/core.js
@@ -150,7 +150,7 @@ export default function addRegistrationAPI(publicAPI, model) {
     const viewToUse = view || publicAPI.getActiveView();
 
     // Can only get a representation for a source and a view
-    if (!sourceToUse || !viewToUse) {
+    if (!sourceToUse || !viewToUse || !sourceToUse.getType()) {
       return null;
     }
 
diff --git a/Sources/Proxy/Core/SourceProxy/index.js b/Sources/Proxy/Core/SourceProxy/index.js
index 8530b7b0688..71f325dbbdf 100644
--- a/Sources/Proxy/Core/SourceProxy/index.js
+++ b/Sources/Proxy/Core/SourceProxy/index.js
@@ -8,46 +8,98 @@ function vtkSourceProxy(publicAPI, model) {
   // Set our className
   model.classHierarchy.push('vtkSourceProxy');
 
-  function updateDataset() {
-    if (model.algo) {
-      publicAPI.setDataset(model.algo.getOutputData(), model.type);
+  // API ----------------------------------------------------------------------
+
+  publicAPI.setInputProxy = (source) => {
+    if (model.inputSubscription) {
+      model.inputSubscription();
+      model.inputSubscription = null;
     }
-  }
+    model.inputProxy = source;
+    if (model.inputProxy) {
+      model.inputSubscription = source.onModified(
+        publicAPI.update,
+        -1
+      ).unsubscribe; // Trigger at next cycle
+    }
+    publicAPI.update();
+  };
 
-  // API ----------------------------------------------------------------------
+  // --------------------------------------------------------------------------
 
   publicAPI.setInputData = (ds, type) => {
     if (model.dataset !== ds) {
       model.dataset = ds;
       model.type = type || ds.getClassName();
       publicAPI.modified();
+      publicAPI.invokeDatasetChange();
     }
   };
 
   // --------------------------------------------------------------------------
 
-  publicAPI.setInputAlgorithm = (algo, type) => {
+  publicAPI.setInputAlgorithm = (algo, type, autoUpdate = true) => {
     if (model.algo !== algo) {
       model.algo = algo;
       if (model.algoSubscription) {
         model.algoSubscription();
         model.algoSubscription = null;
       }
-      if (algo) {
-        publicAPI.setInputData(algo.getOutputData(), type);
-        model.algoSubscription = algo.onModified(updateDataset, -1).unsubscribe; // Trigger at next cycle
+      if (algo && autoUpdate) {
+        model.algoSubscription = algo.onModified(() => {
+          publicAPI.update();
+        }, -1).unsubscribe; // Trigger at next cycle
+        publicAPI.update();
       }
     }
   };
 
   // --------------------------------------------------------------------------
 
+  publicAPI.update = () => {
+    if (model.algo && model.inputProxy) {
+      model.algo.setInputData(model.inputProxy.getDataset());
+    }
+    if (model.updateDomain && model.inputProxy) {
+      model.updateDomain(publicAPI, model.inputProxy.getDataset());
+    }
+    if (model.algo) {
+      publicAPI.setInputData(model.algo.getOutputData(), model.type);
+    }
+  };
+
+  publicAPI.getUpdate = () => model.algo.getMTime() > model.dataset.getMTime();
+
+  // --------------------------------------------------------------------------
+
   publicAPI.delete = macro.chain(() => {
     if (model.algoSubscription) {
       model.algoSubscription();
       model.algoSubscription = null;
     }
+    if (model.inputSubscription) {
+      model.inputSubscription();
+      model.inputSubscription = null;
+    }
   }, publicAPI.delete);
+
+  // --------------------------------------------------------------------------
+  // Initialisation
+  // --------------------------------------------------------------------------
+
+  if (model.inputProxy) {
+    model.inputSubscription = model.inputProxy.onModified(() => {
+      publicAPI.update();
+    }, -1).unsubscribe; // Trigger at next cycle
+  }
+  if (model.algoFactory) {
+    publicAPI.setInputAlgorithm(
+      model.algoFactory.newInstance(),
+      null,
+      model.autoUpdate
+    );
+  }
+  publicAPI.update();
 }
 
 // ----------------------------------------------------------------------------
@@ -71,11 +123,16 @@ export function extend(publicAPI, model, initialValues = {}) {
     'algo',
     'inputProxy',
   ]);
-  macro.set(publicAPI, model, ['name', 'inputProxy']);
+  macro.set(publicAPI, model, ['name']);
+  macro.event(publicAPI, model, 'DatasetChange');
+  macro.proxy(publicAPI, model);
 
   // Object specific methods
   vtkSourceProxy(publicAPI, model);
-  macro.proxy(publicAPI, model);
+
+  if (model.proxyPropertyMapping) {
+    macro.proxyPropertyMapping(publicAPI, model, model.proxyPropertyMapping);
+  }
 }
 
 // ----------------------------------------------------------------------------
@@ -84,4 +141,7 @@ export const newInstance = macro.newInstance(extend, 'vtkSourceProxy');
 
 // ----------------------------------------------------------------------------
 
-export default { newInstance, extend };
+export default {
+  newInstance,
+  extend,
+};
diff --git a/Sources/Proxy/Representations/GeometryRepresentationProxy/index.js b/Sources/Proxy/Representations/GeometryRepresentationProxy/index.js
index a2cf0b9aba4..28c71a766a0 100644
--- a/Sources/Proxy/Representations/GeometryRepresentationProxy/index.js
+++ b/Sources/Proxy/Representations/GeometryRepresentationProxy/index.js
@@ -26,10 +26,6 @@ const PROPERTIES_DEFAULT = {
 function vtkGeometryRepresentationProxy(publicAPI, model) {
   // Set our className
   model.classHierarchy.push('vtkGeometryRepresentationProxy');
-  const superSetInput = publicAPI.setInput;
-
-  // parent methods
-  model.selectedArray = null; // Default use solid color
 
   // Internals
   model.mapper = vtkMapper.newInstance({
@@ -40,21 +36,11 @@ function vtkGeometryRepresentationProxy(publicAPI, model) {
   model.actor = vtkActor.newInstance();
   model.property = model.actor.getProperty();
 
-  // API ----------------------------------------------------------------------
-
-  publicAPI.setInput = (source) => {
-    superSetInput(source);
-
-    if (!source) {
-      return;
-    }
-
-    vtkAbstractRepresentationProxy.connectMapper(model.mapper, source);
-
-    // connect rendering pipeline
-    model.actor.setMapper(model.mapper);
-    model.actors.push(model.actor);
-  };
+  // Auto connect mappers
+  model.sourceDependencies.push(model.mapper);
+  // connect rendering pipeline
+  model.actor.setMapper(model.mapper);
+  model.actors.push(model.actor);
 }
 
 // ----------------------------------------------------------------------------
diff --git a/Sources/Proxy/Representations/MoleculeRepresentationProxy/index.js b/Sources/Proxy/Representations/MoleculeRepresentationProxy/index.js
index 26fe2796348..44428c13e26 100644
--- a/Sources/Proxy/Representations/MoleculeRepresentationProxy/index.js
+++ b/Sources/Proxy/Representations/MoleculeRepresentationProxy/index.js
@@ -13,7 +13,6 @@ import vtkAbstractRepresentationProxy from 'vtk.js/Sources/Proxy/Core/AbstractRe
 function vtkMoleculeRepresentationProxy(publicAPI, model) {
   // Set our className
   model.classHierarchy.push('vtkMoleculeRepresentationProxy');
-  const superSetInput = publicAPI.setInput;
 
   // Internals
   model.filter = vtkMoleculeToRepresentation.newInstance();
@@ -22,32 +21,24 @@ function vtkMoleculeRepresentationProxy(publicAPI, model) {
   model.sphereActor = vtkActor.newInstance();
   model.stickActor = vtkActor.newInstance();
 
-  // API ----------------------------------------------------------------------
-
-  publicAPI.setInput = (source) => {
-    superSetInput(source);
+  model.sourceDependencies.push(model.filter);
 
-    if (!source) {
-      return;
-    }
+  // render sphere
+  model.sphereMapper.setInputConnection(model.filter.getOutputPort(0));
+  model.sphereMapper.setScaleArray(model.filter.getSphereScaleArrayName());
+  model.sphereActor.setMapper(model.sphereMapper);
 
-    vtkAbstractRepresentationProxy.connectMapper(model.filter, source);
+  // render sticks
+  model.stickMapper.setInputConnection(model.filter.getOutputPort(1));
+  model.stickMapper.setScaleArray('stickScales');
+  model.stickMapper.setOrientationArray('orientation');
+  model.stickActor.setMapper(model.stickMapper);
 
-    // render sphere
-    model.sphereMapper.setInputConnection(model.filter.getOutputPort(0));
-    model.sphereMapper.setScaleArray(model.filter.getSphereScaleArrayName());
-    model.sphereActor.setMapper(model.sphereMapper);
+  // Add actors
+  model.actors.push(model.sphereActor);
+  model.actors.push(model.stickActor);
 
-    // render sticks
-    model.stickMapper.setInputConnection(model.filter.getOutputPort(1));
-    model.stickMapper.setScaleArray('stickScales');
-    model.stickMapper.setOrientationArray('orientation');
-    model.stickActor.setMapper(model.stickMapper);
-
-    // Add actors
-    model.actors.push(model.sphereActor);
-    model.actors.push(model.stickActor);
-  };
+  // API ----------------------------------------------------------------------
 
   publicAPI.setColorBy = () => {};
   publicAPI.getColorBy = () => [];
diff --git a/Sources/Proxy/Representations/SliceRepresentationProxy/index.js b/Sources/Proxy/Representations/SliceRepresentationProxy/index.js
index 95333bd0753..cff2e61eb85 100644
--- a/Sources/Proxy/Representations/SliceRepresentationProxy/index.js
+++ b/Sources/Proxy/Representations/SliceRepresentationProxy/index.js
@@ -75,18 +75,13 @@ function vtkSliceRepresentationProxy(publicAPI, model) {
   model.actor = vtkImageSlice.newInstance();
   model.property = model.actor.getProperty();
 
-  // API ----------------------------------------------------------------------
+  // connect rendering pipeline
+  model.actor.setMapper(model.mapper);
+  model.actors.push(model.actor);
 
-  publicAPI.setInput = (source) => {
-    superSetInput(source);
-
-    if (!source) {
-      return;
-    }
-
-    vtkAbstractRepresentationProxy.connectMapper(model.mapper, source);
+  function setInputData(inputDataset) {
     const state = updateDomains(
-      publicAPI.getInputDataSet(),
+      inputDataset,
       publicAPI.getDataArray(),
       model,
       publicAPI.updateProxyProperty
@@ -94,17 +89,26 @@ function vtkSliceRepresentationProxy(publicAPI, model) {
     publicAPI.set(state);
 
     // Init slice location
-    const extent = publicAPI.getInputDataSet().getExtent();
+    const extent = inputDataset.getExtent();
     publicAPI.setXSlice(Math.floor(mean(extent[0], extent[1])));
     publicAPI.setYSlice(Math.floor(mean(extent[2], extent[3])));
     publicAPI.setZSlice(Math.floor(mean(extent[4], extent[5])));
+  }
 
-    // connect rendering pipeline
-    model.actor.setMapper(model.mapper);
-    model.actors.push(model.actor);
+  // Keep things updated
+  model.sourceDependencies.push(model.mapper);
+  model.sourceDependencies.push({ setInputData });
 
-    // Create a link handler on source
+  // API ----------------------------------------------------------------------
 
+  publicAPI.setInput = (source) => {
+    superSetInput(source);
+
+    if (!source) {
+      return;
+    }
+
+    // Create a link handler on source
     // Ensure the delete will clear all possible conbinaison
     ['SliceX', 'SliceY', 'SliceZ', 'ColorWindow', 'ColorLevel'].forEach(
       (linkName) => {
diff --git a/Sources/Proxy/Representations/VolumeRepresentationProxy/index.js b/Sources/Proxy/Representations/VolumeRepresentationProxy/index.js
index 6eff8fa6c5c..8647ac75220 100644
--- a/Sources/Proxy/Representations/VolumeRepresentationProxy/index.js
+++ b/Sources/Proxy/Representations/VolumeRepresentationProxy/index.js
@@ -151,6 +151,8 @@ function vtkVolumeRepresentationProxy(publicAPI, model) {
   model.volume = vtkVolume.newInstance();
   model.property = model.volume.getProperty();
 
+  model.sourceDependencies.push(model.mapper);
+
   // Slices
   model.mapperX = vtkImageMapper.newInstance({
     currentSlicingMode: vtkImageMapper.SlicingMode.X,
@@ -172,17 +174,23 @@ function vtkVolumeRepresentationProxy(publicAPI, model) {
     property: model.propertySlices,
   });
 
-  // API ----------------------------------------------------------------------
-
-  publicAPI.setInput = (source) => {
-    superSetInput(source);
+  model.sourceDependencies.push(model.mapperX);
+  model.sourceDependencies.push(model.mapperY);
+  model.sourceDependencies.push(model.mapperZ);
 
-    if (!source) {
-      return;
-    }
+  // connect rendering pipeline
+  model.volume.setMapper(model.mapper);
+  model.volumes.push(model.volume);
 
-    vtkAbstractRepresentationProxy.connectMapper(model.mapper, source);
+  // Connect slice pipeline
+  model.actorX.setMapper(model.mapperX);
+  model.actors.push(model.actorX);
+  model.actorY.setMapper(model.mapperY);
+  model.actors.push(model.actorY);
+  model.actorZ.setMapper(model.mapperZ);
+  model.actors.push(model.actorZ);
 
+  function setInputData(inputDataset) {
     const [name, location] = publicAPI.getColorBy();
     publicAPI.rescaleTransferFunctionToDataRange(name, location);
 
@@ -197,36 +205,29 @@ function vtkVolumeRepresentationProxy(publicAPI, model) {
     model.property.setRGBTransferFunction(0, lutProxy.getLookupTable());
     model.property.setScalarOpacity(0, pwfProxy.getPiecewiseFunction());
 
-    updateConfiguration(
-      publicAPI.getInputDataSet(),
-      publicAPI.getDataArray(),
-      model
-    );
+    updateConfiguration(inputDataset, publicAPI.getDataArray(), model);
     publicAPI.setSampleDistance();
     publicAPI.setEdgeGradient();
 
     // Update domains
     const state = updateDomains(
-      publicAPI.getInputDataSet(),
+      inputDataset,
       publicAPI.getDataArray(),
       publicAPI.updateProxyProperty
     );
     publicAPI.set(state);
+  }
 
-    // connect rendering pipeline
-    model.volume.setMapper(model.mapper);
-    model.volumes.push(model.volume);
-
-    // Connect slice pipeline
-    vtkAbstractRepresentationProxy.connectMapper(model.mapperX, source);
-    model.actorX.setMapper(model.mapperX);
-    model.actors.push(model.actorX);
-    vtkAbstractRepresentationProxy.connectMapper(model.mapperY, source);
-    model.actorY.setMapper(model.mapperY);
-    model.actors.push(model.actorY);
-    vtkAbstractRepresentationProxy.connectMapper(model.mapperZ, source);
-    model.actorZ.setMapper(model.mapperZ);
-    model.actors.push(model.actorZ);
+  model.sourceDependencies.push({ setInputData });
+
+  // API ----------------------------------------------------------------------
+
+  publicAPI.setInput = (source) => {
+    superSetInput(source);
+
+    if (!source) {
+      return;
+    }
 
     // Create a link handler on source
     ['SliceX', 'SliceY', 'SliceZ', 'ColorWindow', 'ColorLevel'].forEach(