Exemple #1
0
def range2pcd(Images, path, name, index):

    cloud_xyz = range2xyz(Images)
    output_pcd = pypcd.make_xyz_point_cloud(cloud_xyz.reshape(-1, 3))

    output_pcd.save(
        join(path, 'processed pcd', '%s' % name, '%04d.pcd' % index))
def save_point_cloud(pts, filename):
    pc = pcd.make_xyz_point_cloud(pts)
    # Write point cloud to file in PCD format
    metadata = pc.get_metadata()
    with open(filename, 'w') as fileobj:
        # Write headers
        template = "VERSION {version}\nFIELDS {fields}\nSIZE {size}\nTYPE {type}\nCOUNT {count}\nWIDTH {width}\nHEIGHT {height}\nVIEWPOINT {viewpoint}\nPOINTS {points}\nDATA {data}\n"
        new_fields = []
        for f in metadata['fields']:
            if f == '_':
                new_fields.append('padding')
            else:
                new_fields.append(f)
        metadata['fields'] = ' '.join(new_fields)
        metadata['size'] = ' '.join(map(str, metadata['size']))
        metadata['type'] = ' '.join(metadata['type'])
        metadata['count'] = ' '.join(map(str, metadata['count']))
        metadata['width'] = str(metadata['width'])
        metadata['height'] = str(metadata['height'])
        metadata['viewpoint'] = ' '.join(map(str, metadata['viewpoint']))
        metadata['points'] = str(metadata['points'])
        metadata['data'] = 'ascii'
        tmpl = template.format(**metadata)
        fileobj.write(tmpl)

        pts = pc.pc_data
        # NOTE Hack to convert structured numpy array to ndarray
        pts = np.squeeze(pts.view(pts.dtype[0]).reshape(pts.shape + (-1, )))
        # Write the data
        np.savetxt(fileobj, pts, fmt='%.8f')
 def writePCD(self, file, cloud):
     """Write Files PCD.
     Args:
         self: The object pointer.
         file (str): name file.
         cloud (array): data cloud point.
     Returns:
         clouds (str): save cloud points founded.
     """
     X = cloud[:, 0]
     Y = cloud[:, 1]
     Z = cloud[:, 2]
     data = np.column_stack((X, Y, Z))
     # Use the pypcd utility function to create a new point cloud from ndarray
     new_cloud = pypcd.make_xyz_point_cloud(data)
     # Store the cloud uncompressed
     fileName = file[:-4] + self.exPCD
     new_cloud.save_pcd(fileName)
Exemple #4
0
#from sensor_msgs import point_cloud2
#from sensor_msgs.msg import PointCloud2, PointField
#from std_msgs.msg import Header

from numpy2pcd import get_low_res_input, noise_remove, range2xyz, range2pcd
from readpcd import offset_range_img, image_rows_full, image_cols, save_grey_img, create_4dir, progressbar, reverse_offset_range_img

range_image_array = np.empty([0, image_rows_full, image_cols, 1],
                             dtype=np.float32)

file_path = '/home/yifu/data/long_experiment/cloud_0000_1583840211_539847424.pcd'
pc = pypcd.PointCloud.from_path(file_path)
pcdata = pc.pc_data.view(np.float32).reshape(-1, 3)
np.savetxt("/home/yifu/data/long_experiment/processed pcd/raw %s.csv" %
           sys.version[:3],
           pcdata,
           delimiter=",")

range_image = offset_range_img(pcdata)

# recover
cloud = range2xyz(range_image[0])
cloud = reverse_offset_range_img(cloud)
np.savetxt("/home/yifu/data/long_experiment/processed pcd/%s.csv" %
           sys.version[:3],
           cloud,
           delimiter=",")
output_pcd = pypcd.make_xyz_point_cloud(cloud.reshape(-1, 3))
output_pcd.save(
    join('/home/yifu/data/long_experiment/processed pcd/numpysave.pcd'))