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New Software Release v.0.8.0  

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mario
(@mario)
Member Admin

The new software release is out now! Some of the interesting news, features, bugfixes  are described in the related blog post.

https://fabscan.org/2019/11/09/new-software-release-v-0-8-0/

If you have suggestions or want to discuss some features, feel free to reply to this post.

Here is the fan duct which is described in the blog post.

fan image

 

Quote
Posted : 09/11/2019 5:19 pm
Qaribpour
(@qaribpour)
Active Member
Posted by: @mario

The new software release is out now! Some of the interesting news, features, bugfixes  are described in the related blog post.

 

Hi mario, 

congratulation for new software,

Do using of two lasers affected the scan time? 

I mean, Has the scan time been reduced?

ReplyQuote
Posted : 09/11/2019 8:07 pm
Alan
 Alan
(@alan)
Active Member

Mario,

  As you know I am very new to all of this but am enjoying it very much. I look forward to trying the newest version of your software. The enclosure I have received has the holes drilled out for controlling the laser position with stepper motors. Is it best to install them or should I set up to move the lasers by hand?

Thank you - Alan

ReplyQuote
Posted : 10/11/2019 5:09 am
mario
(@mario)
Member Admin
Posted by: @alan

I have received has the holes drilled out for controlling the laser position with stepper motors.

A couple of years ago I planed to add motors/servos for turning the lasers. This part has never made it into software. So it is still a planed feature which is open but was never release. From my side it is not positioned very high on my current todo's. There are other more powerful features I am planing to realize in the upcoming time.

ReplyQuote
Posted : 10/11/2019 9:49 am
Danilo0702
(@danilo0702)
Trusted Member

verry verry nice Release--- but i have the testversion. I can scan with 100%/100% and i get verry godt results.  Now coms on the the Screen  the message, jeg should be make a update on the v 0.8.0.... But i  will not yet.

How can i close the message?

ReplyQuote
Posted : 12/11/2019 8:50 pm
mario
(@mario)
Member Admin
Posted by: @danilo0702

but i have the testversion.

I made a mistake while building the image. I need to build a new image. But you can edit the source list file 

/etc/apt/sources.list.d/fabscanpi.list

and replace testing with stable. This will fix it. Afterwards you need to do an 

apt-get update && apt-get upgrade 

to get the stable release.

FYI: I changed nothing in testing since the last stable release.

ReplyQuote
Posted : 12/11/2019 11:00 pm
desperate250
(@desperate250)
Active Member

Is it only my 0.8.0 image which is not really finishing the ply file so that meshlab does not work? Even a downloaded ply and meshlap on my Linux box sais "unexpected eof".

 

ReplyQuote
Posted : 16/11/2019 10:21 am
mario
(@mario)
Member Admin
Posted by: @desperate250

Is it only my 0.8.0 image which is not really finishing the ply file so that meshlab does not work? Even a downloaded ply and meshlap on my Linux box sais "unexpected eof".

Which version of MeshLab are you using?. I had a look at an exported file and found an issue. The last entry in the file is an empty line. Maybe this causes the error. Can you try to edit the file and remove the last line?

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Posted : 16/11/2019 1:44 pm
desperate250
(@desperate250)
Active Member

I'm using Meshlab 1.3.2_64bit. The last line was not empty, I removed it anyway with the same result.

However, I think the ply file is not completely written. With the Fabscan file manager, the file is not visible anymore after I closed the scan window. This does not happen in 0.70, except with high resolution scans.

ReplyQuote
Posted : 16/11/2019 3:03 pm
mario
(@mario)
Member Admin
Posted by: @desperate250

I think the ply file is not completely written

Possible. You can open the file in a text editor. The file should look like

ply
format ascii 1.0
comment Generated by FabScanPi
comment version 0.7.0+201909261914
comment 2019-11-07 23:01
element vertex 857031 <---- number of lines after header.
property float x
property float y
property float z
property uchar red
property uchar green
property uchar blue
element face 0
property list uchar int vertex_indices
end_header

Number of lines after end_header should be 857031.

And look like this example:

....

8.69340091458 0.920937130567 149.765272613 255 255 255
8.54458773422 0.814188964071 149.743803517 255 255 255
8.40488544735 0.714108803131 149.71579881 255 255 255
8.27831685186 0.623638678819 149.678499635 255 255 255
8.15459767183 0.53525593955 149.639039239 255 255 255

....
ReplyQuote
Posted : 16/11/2019 6:11 pm
desperate250
(@desperate250)
Active Member

That does not seem to be the issue here. My file (lowest resolution)

starts:

 

ply
format ascii 1.0
comment Generated by FabScanPi
comment version 0.8.0+201911082051
comment 2019-11-17 15:33
element vertex 130440
property float x
property float y
property float z
property uchar red
property uchar green
property uchar blue
element face 0
property list uchar int vertex_indices
end_header
12.2940730071 11.4334242881 115.632597769 168 137 196
12.0508696758 11.2442174801 115.632293997 167 134 191
11.5285443876 10.8411071055 115.767525859 176 141 197
10.7462780848 10.2387767535 116.028325852 183 146 200
9.84284659402 9.54356288065 116.346737031 187 149 200
9.02889570736 8.91689094512 116.620399895 193 154 201

 

and it ends:

14.7230091483 9.19626032674 0.610259775366 253 247 251
14.7362111463 9.20268950434 0.497660982714 253 247 249
14.7538790007 9.21218858159 0.386186398467 253 247 249
14.7879862214 9.23298747186 0.278812279631 253 247 249
14.8411966277 9.26691794232 0.176236183935 253 247 249
14.905484784 9.30846459113 0.076499532188 253 247 251

 

Where the amount of lines in the file is 130455. Which means there are 130440 elements, just like it says there would be. Unfortunately, The Fabcanpi does not even start the meshlab conversion ('top' shows no meshlab process like in version 0.70.)

 

ReplyQuote
Posted : 17/11/2019 3:47 pm
mario
(@mario)
Member Admin
Posted by: @desperate250

The Fabcanpi does not even start the meshlab conversion ('top' shows no meshlab process like in version 0.70.)

There are several problems with the MeshLab task. Some commands changed within the lastest MeshLab version. This needs to be fixed. You need to process MeshLab external by now. Sorry. 

ReplyQuote
Posted : 17/11/2019 7:09 pm
desperate250
(@desperate250)
Active Member

@mario

OK I understand that. However, the Fabscan software 0.8.0 is not able to save even the ply file locally. Unfortunately, I'm not a developer so I cannot fix anything. I will go back to 0.7.0 for the time being.

ReplyQuote
Posted : 19/11/2019 1:15 pm
mario
(@mario)
Member Admin
Posted by: @desperate250

the Fabscan software 0.8.0 is not able to save even the ply file locally

It works for me and several other users. What is your resolution slider setting for the scan? 

Posted by: @desperate250

I will go back to 0.7.0 for the time being.

I do not recommend this, cause it can break your FabScanPi HAT Bootloader and you need to reflash it. I am already working on a bugfix version (0-8.1) which will fix several reported smaller bugs.  If this is a serious bug and I am able to reproduce it or other users can confirm that it will be surely also fixed. But we have to find out more about the issue. Have you checked the free disk space on the sd-card? Please post the output of: 

df -h

Can you try it with an other sd-card?

This post was modified 2 weeks ago by mario
ReplyQuote
Posted : 19/11/2019 3:15 pm
desperate250
(@desperate250)
Active Member

OK, I'm back on 0.8.0 now. df showed lots of disk space. To check the sdcard, I unpacked a new 32gb sdcard, installed the complete image again, made a new calibration and tried again.

 

The result is the same: the system is not able to store the scans. After I leave the scan result window, it is gone.

 

df -h on the new card is like this:

pi@fabscanpi:~ $ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/root 30G 2.4G 26G 9% /
devtmpfs 433M 0 433M 0% /dev
tmpfs 438M 28K 438M 1% /dev/shm
tmpfs 438M 12M 426M 3% /run
tmpfs 5.0M 4.0K 5.0M 1% /run/lock
tmpfs 438M 0 438M 0% /sys/fs/cgroup
/dev/mmcblk0p1 253M 52M 201M 21% /boot
tmpfs 88M 0 88M 0% /run/user/1000

 

However, a check in the default directory for scans show that the files are there (as example, only one scan here)

i@fabscanpi:~/scans/20191121-185239 $ ls
20191121-185239.fab 20191121-185239.zip thumbnail_20191121-185239.png
20191121-185239.png scan_20191121-185239_0.ply

 

So it looks to me like it is not a problem with the disk or access rights.

ReplyQuote
Posted : 23/11/2019 3:34 pm
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