protected void CreateBracketMesh() {
// System.err.println( iWidth + " " + iHeight + " " + iDepth );
Attributes kAttributes = new Attributes();
kAttributes.SetPChannels(3);
int iVQuantity = 3;
VertexBuffer pkVB = new VertexBuffer(kAttributes, iVQuantity);
// generate geometry
float[] afChannels = pkVB.GetData();
int iIndex = 0;
afChannels[iIndex++] = 0;
afChannels[iIndex++] = -1.0f;
afChannels[iIndex++] = 0.0f;
afChannels[iIndex++] = 0;
afChannels[iIndex++] = 0.0f;
afChannels[iIndex++] = 0.5f;
afChannels[iIndex++] = 0;
afChannels[iIndex++] = 0.95f;
afChannels[iIndex++] = 1.0f;
m_kBracketPoints = new Polypoint(pkVB);
AlphaState kAlpha = new AlphaState();
kAlpha.BlendEnabled = true;
kAlpha.SrcBlend = AlphaState.SrcBlendMode.SBF_ONE;
kAlpha.DstBlend = AlphaState.DstBlendMode.DBF_ONE;
m_kBracketPoints.AttachGlobalState(kAlpha);
m_kBracketPoints.UpdateGS();
m_kBracketPoints.UpdateRS();
}
protected void CreateScene(GLAutoDrawable arg0) {
int iWidth = m_iWidth;
int iHeight = m_iHeight;
int iDepth = m_kImageA.nDims == 3 ? m_kImageA.extents[2] : 1;
m_kHistogramOutput = CreateRenderTarget(arg0, "Histogram2D", iWidth, iHeight);
m_kHistogramOutputB = CreateRenderTarget(arg0, "Histogram2DB", iWidth, iHeight);
m_kEntropyOut = CreateRenderTarget(arg0, "EntropyOut", 1, 1);
if (CreateImageMesh(m_kImageA.extents[0], m_kImageA.extents[1], iDepth) == null) {
CreateImageMesh(m_kImageA.extents[0], m_kImageA.extents[1], 1);
m_iRenderLoops = iDepth;
System.err.println("Switching to 2.5D");
}
m_kImagePointsDual.AttachEffect(m_kImageEffectDual);
m_kImageEffectDual.SetImageSize(m_kImageA.extents[0], m_kImageA.extents[1], iDepth);
CreateHistogramMesh(m_iWidth, m_iHeight);
m_akCollapse2D =
new VolumeHistogramEffect(m_kHistogramOutput.GetTarget(0), VolumeHistogramEffect.NONE);
m_akCollapseColumns =
new VolumeHistogramEffect(
m_kHistogramOutput.GetTarget(0), VolumeHistogramEffect.COLLAPSE_COLUMNS);
m_akCollapseRows =
new VolumeHistogramEffect(
m_kHistogramOutput.GetTarget(0), VolumeHistogramEffect.COLLAPSE_ROWS);
m_kHistogramPoints2D.AttachEffect(m_akCollapse2D);
AlphaState pkAState = m_akCollapse2D.GetBlending(0);
pkAState.BlendEnabled = true;
pkAState.SrcBlend = AlphaState.SrcBlendMode.SBF_ONE;
pkAState.DstBlend = AlphaState.DstBlendMode.DBF_ONE;
m_kHistogramPoints2D.AttachEffect(m_akCollapseColumns);
pkAState = m_akCollapseColumns.GetBlending(0);
pkAState.BlendEnabled = true;
pkAState.SrcBlend = AlphaState.SrcBlendMode.SBF_ONE;
pkAState.DstBlend = AlphaState.DstBlendMode.DBF_ONE;
m_kHistogramPoints2D.AttachEffect(m_akCollapseRows);
pkAState = m_akCollapseRows.GetBlending(0);
pkAState.BlendEnabled = true;
pkAState.SrcBlend = AlphaState.SrcBlendMode.SBF_ONE;
pkAState.DstBlend = AlphaState.DstBlendMode.DBF_ONE;
double dSize = m_kImageA.dataSize;
m_akImageReduceEntropy = new ImageReduceEffect(m_kHistogramOutputB.GetTarget(0), dSize);
m_kEntropyPoints2D.AttachEffect(m_akImageReduceEntropy);
/*
m_kImageLineMinPass2a = new LineMinimizationEffect( m_kBracketOut.GetTarget(0), m_kEntropyOut.GetTarget(0), m_fMinDist, (float)dSize, m_kImageA.nDims );
m_kImageLineMinDual.SetImageSize( m_kImageA.extents[0],m_kImageA.extents[1],iDepth );
*/
}
protected void CreateHistogramMesh(int iWidth, int iHeight) {
Attributes kAttributes = new Attributes();
kAttributes.SetPChannels(3);
int iVQuantity = iWidth * iHeight;
VertexBuffer pkVB = new VertexBuffer(kAttributes, iVQuantity);
// generate geometry
float fInv0 = 1.0f / (iWidth);
float fInv1 = 1.0f / (iHeight);
float fU, fV;
int i0, i1;
float[] afChannels = pkVB.GetData();
int iIndex = 0;
for (i1 = 0; i1 < iHeight; i1++) {
fV = i1 * fInv1;
for (i0 = 0; i0 < iWidth; i0++) {
fU = i0 * fInv0;
afChannels[iIndex++] = ((2.0f * fU - 1.0f));
afChannels[iIndex++] = ((2.0f * fV - 1.0f));
afChannels[iIndex++] = 0f;
// System.err.println( ((2.0f*fU-1.0f)) + " " + ((2.0f*fV-1.0f)));
}
}
m_kHistogramPoints2D = new Polypoint(pkVB);
m_kEntropyPoints2D = new Polypoint(pkVB);
AlphaState kAlpha = new AlphaState();
kAlpha.BlendEnabled = true;
kAlpha.SrcBlend = AlphaState.SrcBlendMode.SBF_ONE;
kAlpha.DstBlend = AlphaState.DstBlendMode.DBF_ONE;
m_kHistogramPoints2D.AttachGlobalState(kAlpha);
m_kHistogramPoints2D.UpdateGS();
m_kHistogramPoints2D.UpdateRS();
m_kEntropyPoints2D.AttachGlobalState(kAlpha);
m_kEntropyPoints2D.UpdateGS();
m_kEntropyPoints2D.UpdateRS();
}
protected ResourceIdentifier CreateImageMesh(int iWidth, int iHeight, int iDepth) {
// System.err.println( iWidth + " " + iHeight + " " + iDepth );
Attributes kAttributes = new Attributes();
kAttributes.SetPChannels(3);
int iVQuantity = iWidth * iHeight * iDepth;
VertexBuffer pkVB = new VertexBuffer(kAttributes, iVQuantity);
// generate geometry
float fInv0 = 1.0f / (iWidth - 1.0f);
float fInv1 = 1.0f / (iHeight - 1.0f);
float fInv2 = 1.0f / (iDepth);
float fU, fV, fW;
int i0, i1, i2;
float[] afChannels = pkVB.GetData();
int iIndex = 0;
for (i2 = 0; i2 < iDepth; i2++) {
fW = i2 * fInv2;
for (i1 = 0; i1 < iHeight; i1++) {
fV = i1 * fInv1;
for (i0 = 0; i0 < iWidth; i0++) {
fU = i0 * fInv0;
afChannels[iIndex++] = ((2.0f * fU - 1.0f));
afChannels[iIndex++] = ((2.0f * fV - 1.0f));
afChannels[iIndex++] = ((2.0f * fW - 1.0f));
}
}
}
m_kImagePointsDual = new Polypoint(pkVB);
m_kAlpha = new AlphaState();
m_kAlpha.BlendEnabled = true;
m_kAlpha.SrcBlend = AlphaState.SrcBlendMode.SBF_ONE;
m_kAlpha.DstBlend = AlphaState.DstBlendMode.DBF_ONE;
m_kImagePointsDual.AttachGlobalState(m_kAlpha);
m_kImagePointsDual.UpdateGS();
m_kImagePointsDual.UpdateRS();
return m_pkRenderer.LoadVBuffer(pkVB.GetAttributes(), pkVB.GetAttributes(), pkVB);
}