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Last change
on this file since 3884 was
3630,
checked in by ldelgass, 12 years ago
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Nanovis refactoring to fix problems with scaling and multiple results.
Do rendering in world space to properly place and scale multiple data sets.
Also fix flows to reduce resets of animations. More work toward removing
Cg dependency. Fix panning to convert viewport coords to world coords.
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File size:
539 bytes
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| 1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
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| 2 | /* |
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| 3 | * Copyright (c) 2004-2013 HUBzero Foundation, LLC |
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| 4 | * |
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| 5 | * Authors: |
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| 6 | * Wei Qiao <qiaow@purdue.edu> |
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| 7 | */ |
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| 8 | |
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| 9 | float4 main(in float4 texcoord : TEXCOORD0, |
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| 10 | uniform sampler3D volume, |
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| 11 | uniform sampler1D tf) : COLOR |
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| 12 | { |
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| 13 | float4 sample = tex3D(volume, texcoord.xyz); |
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| 14 | |
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| 15 | // sample the transfer function texture |
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| 16 | float4 color = tex1D(tf, sample.x); |
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| 17 | |
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| 18 | // single slice render, only flat shading, completely opaque. |
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| 19 | color.w = 1; |
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| 20 | |
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| 21 | return color; |
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| 22 | } |
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