diff --git a/example/example.xcodeproj/xcshareddata/xcschemes/example Release.xcscheme b/example/example.xcodeproj/xcshareddata/xcschemes/example Release.xcscheme
index 3662c48..020d193 100644
--- a/example/example.xcodeproj/xcshareddata/xcschemes/example Release.xcscheme	
+++ b/example/example.xcodeproj/xcshareddata/xcschemes/example Release.xcscheme	
@@ -22,8 +22,8 @@
       </BuildActionEntries>
    </BuildAction>
    <TestAction
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.GDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.GDB"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       shouldUseLaunchSchemeArgsEnv = "YES"
       buildConfiguration = "Release">
       <Testables>
@@ -39,11 +39,12 @@
       </MacroExpansion>
    </TestAction>
    <LaunchAction
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.GDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.GDB"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       buildConfiguration = "Release"
+      ignoresPersistentStateOnLaunch = "NO"
       debugDocumentVersioning = "YES"
       allowLocationSimulation = "YES">
       <BuildableProductRunnable>
diff --git a/src/BloomPass.h b/src/BloomPass.h
index 59816e8..046a3f8 100644
--- a/src/BloomPass.h
+++ b/src/BloomPass.h
@@ -48,6 +48,11 @@ namespace itg
         void allocateSelectiveGlow(unsigned w, unsigned h);
         void beginSelectiveGlow(bool clear = true);
         void endSelectiveGlow();
+      
+      void setIncrements(float _x1, float _y1, float _x2, float _y2) {
+        xConv->setIncrement(_x1, _y1);
+        yConv->setIncrement(_x2, _y2);
+      }
         
         void debugDraw();
         
diff --git a/src/ConvolutionPass.h b/src/ConvolutionPass.h
index d56ee3e..49ab5d7 100644
--- a/src/ConvolutionPass.h
+++ b/src/ConvolutionPass.h
@@ -47,7 +47,12 @@ namespace itg
         typedef shared_ptr<ConvolutionPass> Ptr;
         
         ConvolutionPass(const ofVec2f& aspect, bool arb, const ofVec2f& imageIncrement = ofVec2f(0.001953125, 0), float sigma = 4, unsigned kernelSize = 25);
-        
+      
+      void setIncrement(float _x, float _y) {
+        imageIncrement.x = _x;
+        imageIncrement.y = _y;
+      }
+      
         void render(ofFbo& readFbo, ofFbo& writeFbo);
         
         bool hasArbShader() { return true; }
diff --git a/src/PixelatePass.h b/src/PixelatePass.h
index 87f2865..bce262a 100644
--- a/src/PixelatePass.h
+++ b/src/PixelatePass.h
@@ -43,7 +43,11 @@ namespace itg
         PixelatePass(const ofVec2f& aspect, bool arb, const ofVec2f& resolution = ofVec2f(100.f, 100.f));
         
         void render(ofFbo& readFbo, ofFbo& writeFbo);
-        
+      
+        ofVec2f getResolution() const { return resolution; }
+        void setResolution(ofVec2f) { this->resolution = resolution; }
+        void setResolution(float _w, float _h) { this->resolution = ofVec2f(_w, _h); }
+      
     private:
         ofShader shader;
         ofVec2f resolution;
diff --git a/src/PostProcessing.h b/src/PostProcessing.h
index 8c62f04..80b380b 100644
--- a/src/PostProcessing.h
+++ b/src/PostProcessing.h
@@ -51,7 +51,9 @@ namespace itg
         void draw(float x, float y, float w, float h);
         float getWidth() { return width; }
         float getHeight() { return height; }
-        
+        void setWidth(float _w) { width = _w; }
+        void setHeight(float _h) { height = _h; }
+      
         void debugDraw();
         
         template<class T>