# Unable to view the point cloud on the visualization board

**URL:** <https://community.wandb.ai/t/unable-to-view-the-point-cloud-on-the-visualization-board/8440>\
**Category:** W&B Help\
**Created:** [November 20, 2024, 5:01pm UTC](https://community.wandb.ai/t/unable-to-view-the-point-cloud-on-the-visualization-board/8440 "2024-11-20T17:01:36Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![poornima-dharamdasan](https://avatars.discourse-cdn.com/v4/letter/p/977dab/32.png) [@poornima-dharamdasan](https://community.wandb.ai/u/poornima-dharamdasan)\
**Post date:** [November 20, 2024, 5:01pm UTC](https://community.wandb.ai/t/unable-to-view-the-point-cloud-on-the-visualization-board/8440/1 "2024-11-20T17:01:36Z")

</div>

I use the following code to log a .npy point cloud

```auto
import wandb

import numpy as np

wandb.login()

path= './602.npy'

run = wandb.init(settings=wandb.Settings(start_method="fork"), project="segment", name="experiment_2", id="logging_ptcloud_new", resume = "allow")

xyzi = np.load(path)

xyzi = np.array([list(x) for x in xyzi])

x = xyzi[:, 0] # XYZ coordinates

y = xyzi[:, 1]

z = xyzi[:, 2]

intensities = xyzi[:, 3] # Intensity values

formatted_point_cloud = np.stack((x,y,z, intensities), axis=1)

valid_mask = np.all(np.isfinite(formatted_point_cloud), axis=1)

clean_point_cloud = formatted_point_cloud[valid_mask]

assert np.all(np.isfinite(clean_point_cloud)), "Point cloud contains NaN or infinite values"

run.log({"point_cloud": wandb.Object3D(clean_point_cloud)})

```

But I get the following error , while trying to view it on the dashboard-

Error: r.\_engine is null

Is there any issue in the code?  
Here is the pointcloud if needed:

> **[602.npy](https://drive.google.com/file/d/1odVJsLVxAR7eAFSD3vkYf5ktR5WbE_OE/view?usp=sharing)**
>
> Google Drive file.