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Can cc display the coordinates of each point? Can cc display video?

Posted: Fri Apr 30, 2021 6:16 am
by xiaolu
Hi there,

I would like to know
can cc display the coordinates of each point?
can cc display video?

Thanks for the help!

Re: Can cc display the coordinates of each point? Can cc display video?

Posted: Sat May 01, 2021 8:56 am
by daniel
You can create a label on any point to show its coordinates (with SHIFT + LEFT CLICK on the point, or via the 'Point picking tool').

And you can create videos (with the Animation plugin: https://www.cloudcompare.org/doc/wiki/i ... n_(plugin)

(but it cannot 'display' videos).

Re: Can cc display the coordinates of each point? Can cc display video?

Posted: Thu May 06, 2021 1:58 am
by xiaolu
thanks for your reply,
Can cc “visualize” the coordinate axis? Instead of displaying numbers? I want to see more intuitively.
Thanks.

Re: Can cc display the coordinates of each point? Can cc display video?

Posted: Thu May 06, 2021 11:57 am
by daniel
Sorry, I'm not sure to understand?

Re: Can cc display the coordinates of each point? Can cc display video?

Posted: Sat May 08, 2021 2:01 am
by xiaolu
I want to display the coordinates for each point, just like the picture.

Re: Can cc display the coordinates of each point? Can cc display video?

Posted: Sat May 08, 2021 8:47 pm
by daniel
Are you interested by the number attached to each point, or by the trihedron (the 3 vectors)?

Well, you can't display any of them in CloudCompare. But mind that to display a trihedron, you need more that a point, but also at least 2 vectors (and more probably 3 vectors, or a 3x3 matrix).

Re: Can cc display the coordinates of each point? Can cc display video?

Posted: Mon May 10, 2021 5:08 pm
by WargodHernandez
So actually you can do both of these (sort of).

for the point index label, use the point picking tool, select a single point and create a 2d label, then select the label in the DB tree and turn off "Show 2D label" and turn on "Show legend(s)"

for the coordinate display you can use the "CoordinateSystem" primitive with the translation vector set the same as the point coordinates. (you will need to decide orientation with some more information like Daniel said)

Here is an example of following those instructions, on one of the CoordinateSystems I turned off plane display
CS.JPG
CS.JPG (20.89 KiB) Viewed 3785 times
But this is a fair amount of effort per point so it would not be optimal to do this by hand for a large qty of points.

Re: Can cc display the coordinates of each point? Can cc display video?

Posted: Wed May 19, 2021 8:59 am
by xiaolu
Thank you all for your advice,
I did this with pcl.