merging mesh-development into nyx's mesh development

3 files changed, 39 insertions, 52 deletions

diff --git a/indra/llmath/llmath.h b/indra/llmath/llmath.h
index 25b29ac1a8..eea7c977fb 100644
--- a/indra/llmath/llmath.h
+++ b/indra/llmath/llmath.h
@@ -29,6 +29,7 @@
 
 #include <cmath>
 #include <cstdlib>
+#include <vector>
 #include "lldefs.h"
 //#include "llstl.h" // *TODO: Remove when LLString is gone
 //#include "llstring.h" // *TODO: Remove when LLString is gone
@@ -497,6 +498,44 @@ inline F32 llgaussian(F32 x, F32 o)
 	return 1.f/(F_SQRT_TWO_PI*o)*powf(F_E, -(x*x)/(2*o*o));
 }
 
+//helper function for removing outliers
+template <class VEC_TYPE>
+inline void ll_remove_outliers(std::vector<VEC_TYPE>& data, F32 k)
+{
+	if (data.size() < 100)
+	{ //not enough samples
+		return;
+	}
+
+	VEC_TYPE Q1 = data[data.size()/4];
+	VEC_TYPE Q3 = data[data.size()-data.size()/4-1];
+
+	VEC_TYPE min = (VEC_TYPE) ((F32) Q1-k * (F32) (Q3-Q1));
+	VEC_TYPE max = (VEC_TYPE) ((F32) Q3+k * (F32) (Q3-Q1));
+
+	U32 i = 0;
+	while (i < data.size() && data[i] < min)
+	{
+		i++;
+	}
+
+	S32 j = data.size()-1;
+	while (j > 0 && data[j] > max)
+	{
+		j--;
+	}
+
+	if (j < data.size()-1)
+	{
+		data.erase(data.begin()+j, data.end());
+	}
+
+	if (i > 0)
+	{
+		data.erase(data.begin(), data.begin()+i);
+	}
+}
+
 // Include simd math header
 #include "llsimdmath.h"
 
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp
index 7a2f06da8f..dc360818d6 100644
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -2143,56 +2143,6 @@ bool LLVolumeFace::VertexData::compareNormal(const LLVolumeFace::VertexData& rhs
 	return retval;

 }

 

-BOOL LLVolume::createVolumeFacesFromFile(const std::string& file_name)

-{

-	std::ifstream is;

-	

-	is.open(file_name.c_str(), std::ifstream::in | std::ifstream::binary);

-

-	BOOL success = createVolumeFacesFromStream(is);

-	

-	is.close();

-

-	return success;

-}

-

-BOOL LLVolume::createVolumeFacesFromStream(std::istream& is)

-{

-	mSculptLevel = -1;  // default is an error occured

-

-	LLSD header;

-	{

-		if (!LLSDSerialize::fromBinary(header, is, 1024*1024*1024))

-		{

-			llwarns << "Mesh header parse error.  Not a valid mesh asset!" << llendl;

-			return FALSE;

-		}

-	}

-	

-	std::string nm[] = 

-	{

-		"lowest_lod",

-		"low_lod",

-		"medium_lod",

-		"high_lod",

-		"physics_shape",

-	};

-

-	const S32 MODEL_LODS = 5;

-

-	S32 lod = llclamp((S32) mDetail, 0, MODEL_LODS);

-

-	if (header[nm[lod]]["offset"].asInteger() == -1 || 

-		header[nm[lod]]["size"].asInteger() == 0 )

-	{ //cannot load requested LOD

-		return FALSE;

-	}

-

-	is.seekg(header[nm[lod]]["offset"].asInteger(), std::ios_base::cur);

-

-	return unpackVolumeFaces(is, header[nm[lod]]["size"].asInteger());

-}

-

 bool LLVolume::unpackVolumeFaces(std::istream& is, S32 size)

 {

 	//input stream is now pointing at a zlib compressed block of LLSD

diff --git a/indra/llmath/llvolume.h b/indra/llmath/llvolume.h
index 60b64b1285..01bfbd858b 100644
--- a/indra/llmath/llvolume.h
+++ b/indra/llmath/llvolume.h
@@ -1048,8 +1048,6 @@ protected:
 	BOOL generate();
 	void createVolumeFaces();
 public:
-	virtual BOOL createVolumeFacesFromFile(const std::string& file_name);
-	virtual BOOL createVolumeFacesFromStream(std::istream& is);
 	virtual bool unpackVolumeFaces(std::istream& is, S32 size);
 
 	virtual void makeTetrahedron();