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fix alpha channel #1090

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merged 1 commit into from
Jan 16, 2015
Merged

fix alpha channel #1090

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4 changes: 2 additions & 2 deletions io/src/openni_grabber.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -683,7 +683,7 @@ pcl::OpenNIGrabber::convertToXYZRGBPointCloud (const boost::shared_ptr<openni_wr
PointT pt;
pt.x = pt.y = pt.z = bad_point;
pt.b = pt.g = pt.r = 0;
pt.a = 255; // point has no color info -> alpha = max => transparent
pt.a = 0; // point has no color info -> alpha = min => transparent
cloud->points.assign (cloud->points.size (), pt);
}

Expand Down Expand Up @@ -723,7 +723,7 @@ pcl::OpenNIGrabber::convertToXYZRGBPointCloud (const boost::shared_ptr<openni_wr
value_idx = 0;
point_idx = 0;
RGBValue color;
color.Alpha = 0;
color.Alpha = 255;

for (unsigned yIdx = 0; yIdx < image_height_; ++yIdx, point_idx += skip)
{
Expand Down