Fix for not clearing colour buffer

components/renderers/cpp/src/splat_render.cpp

@@ -126,6 +126,7 @@ void Splatter::renderChannel(
 	);
 
 	temp_.get<GpuMat>(Channel::Colour).setTo(cv::Scalar(0.0f,0.0f,0.0f,0.0f), cvstream);
+	temp_.get<GpuMat>(Channel::Colour2).setTo(cv::Scalar(0,0,0,0), cvstream);
 	temp_.get<GpuMat>(Channel::Contribution).setTo(cv::Scalar(0.0f), cvstream);
 
 	// Create colours first
@@ -157,7 +158,7 @@ void Splatter::renderChannel(
 		stream
 	);
 
-	out.get<GpuMat>(Channel::Left).setTo(cv::Scalar(0,0,0,0), cvstream);
+	//out.get<GpuMat>(Channel::Left).setTo(cv::Scalar(0,0,0,0), cvstream);
 
 	// Now splat the points
 	ftl:cuda::splat(

components/renderers/cpp/src/splatter.cu

@@ -299,7 +299,7 @@ __global__ void dibr_attribute_contrib_kernel(
 		const float3 nearest = params.camera.screenToCam((int)(screenPos.x+u),(int)(screenPos.y+v),d);
 
         // What is contribution of our current point at this pixel?
-        const float weight = ftl::cuda::spatialWeighting(nearest, camPos, 4.0f*(nearest.z/params.camera.fx));
+        const float weight = ftl::cuda::spatialWeighting(nearest, camPos, 1.0f*(nearest.z/params.camera.fx));
         if (screenPos.x+u < colour_out.width() && screenPos.y+v < colour_out.height() && weight > 0.0f) {  // TODO: Use confidence threshold here
             const float4 wcolour = colour * weight;
 			//const float4 wnormal = normal * weight;