github source: 9_volume_reaqndering
Volume Rendering use QCustom3DVolume 3D texture/Point Cloud Drawing.
The Transfer Color Edit Dialog public QColorDialog. The colorPoint ‘Y’ axis means alpha value. ‘X’ mean point depth.
The point Color was the averange rgb&alpha of it’s left colorPoint and right colorPoint.
色彩编辑框包含数据分布曲线图。色彩点Y轴表示透明度(alpha)。x轴表示点云值。点云值对应颜色为两个色彩点的rgb及alpha均值。
The trt file is a point volume.Include a simple point dense algorithm.
点云的简单增加密度算法
refer:
QT Example volumetric
Inviwo