Scale Bars Between Cameras

[guicanarin]

Hello Guys!
I have already wrote a python script to load two cameras in each chunk, só i had 80 cameras and 40 chunks.
But i want to create a scale bar between cameras, for example, i'll have, in the end, 40 scale bars.
Someone can help me??
The distance of all scale bars will be the same, because the cameras will be in a stereo system.

this is my code

Code: [Select]

import os, PhotoScan
doc = PhotoScan.app.document
path_photos = PhotoScan.app.getExistingDirectory("C:\\Users\lma\Documents\Fotos.jpg")
image_list = os.listdir(path_photos)
photo_list = list()
for photo in image_list:
    if photo.rsplit(".",1)[1].lower() in  ["jpg", "jpeg", "tif", "tiff"]:
        photo_list.append("/".join([path_photos, photo]))
start = 0
while (start +1 < len(photo_list)):
    chunk = doc.addChunk()
    chunk.addPhotos(photo_list[start:start+2])
    chunk.detectMarkers(type=PhotoScan.CircularTarget12bit)
    start += 2
PhotoScan.app.document.chunks[-1]
PhotoScan.app.document.mergeChunks()
merged_chunk = PhotoScan.app.document.chunks[-1]
merged_chunk.matchPhotos(accuracy=PhotoScan.HighAccuracy)
merged_chunk.alignCameras(adaptive_fitting=True)
merged_chunk.buildDepthMaps(quality=PhotoScan.UltraQuality, filter=PhotoScan.AggressiveFiltering)
merged_chunk.buildDenseCloud(point_colors=True)




[Alexey Pasumansky]

Hello guicanarin,

In the merge chunk you can run the following:

Code: [Select]

DISTANCE = 0.5
for i in range(len(merged_chunk.cameras)-1):
    scalebar = chunk.addScalebar(merged_chunk.cameras[i], merged_chunk.cameras[i+1])
    scalebar.label = merged_chunk.cameras[i].label + " - " + merged_chunk.cameras[i+1].label
    scalebar.reference.distance = DISTANCE

[guicanarin]

Hi Alexey, thank you for supporting me, but it doesn't work.
Look, my script was this

Code: [Select]

import os, PhotoScan
doc = PhotoScan.app.document
path_photos = PhotoScan.app.getExistingDirectory("C:\\Users\lma\Documents\Fotos.jpg")
image_list = os.listdir(path_photos)
photo_list = list()
for photo in image_list:
    if photo.rsplit(".",1)[1].lower() in  ["jpg", "jpeg", "tif", "tiff"]:
        photo_list.append("/".join([path_photos, photo]))
start = 0
while (start +1 < len(photo_list)):
    chunk = doc.addChunk()
    chunk.addPhotos(photo_list[start:start+2])
    chunk.detectMarkers(type=PhotoScan.CircularTarget12bit)
    start += 2
PhotoScan.app.document.chunks[-1]
PhotoScan.app.document.mergeChunks()
DISTANCE = 200
 for i in range(len(merged_chunk.cameras)-1):
    scalebar = chunk.addScalebar(merged_chunk.cameras[i], merged_chunk.cameras[i+1])
    scalebar.label = merged_chunk.cameras[i].label + " - " + merged_chunk.cameras[i+1].label
    scalebar.reference.distance = DISTANCE
merged_chunk = PhotoScan.app.document.chunks[-1]
merged_chunk.matchPhotos(accuracy=PhotoScan.HighAccuracy)
merged_chunk.alignCameras(adaptive_fitting=True)
merged_chunk.buildDepthMaps(quality=PhotoScan.UltraQuality, filter=PhotoScan.AggressiveFiltering)
merged_chunk.buildDenseCloud(point_colors=True)



And the problem is

ValueError                                Traceback (most recent call last)
<ipython-input-11-44277582cab8> in <module>()
     17 DISTANCE = 200
     18 for i in range(len(merged_chunk.cameras)-1):
---> 19     scalebar = chunk.addScalebar(merged_chunk.cameras, merged_chunk.cameras[i+1])
     20     scalebar.label = merged_chunk.cameras.label + " - " + merged_chunk.cameras[i+1].label
     21     scalebar.reference.distance = DISTANCE

ValueError: sequence element is not a Camera or Marker object

[Alexey Pasumansky]

Hello guicanarin,

You are using merged_chunk variable before it it actually initialized.

[guicanarin]

Hello Alexey, sorry foi this..
But i'm still having problems
look...

Code: [Select]

import os, PhotoScan
doc = PhotoScan.app.document
path_photos = PhotoScan.app.getExistingDirectory("C:\\Users\lma\Documents\Fotos.jpg")
image_list = os.listdir(path_photos)
photo_list = list()
for photo in image_list:
    if photo.rsplit(".",1)[1].lower() in  ["jpg", "jpeg", "tif", "tiff"]:
        photo_list.append("/".join([path_photos, photo]))
start = 0
while (start +1 < len(photo_list)):
    chunk = doc.addChunk()
    chunk.addPhotos(photo_list[start:start+2])
    chunk.detectMarkers(type=PhotoScan.CircularTarget12bit)
    start += 2
PhotoScan.app.document.chunks[-1]
PhotoScan.app.document.mergeChunks()
merged_chunk = PhotoScan.app.document.chunks[-1]
DISTANCE = 200
for i in range(len(merged_chunk.cameras)-1):
    scalebar = chunk.addScalebar(merged_chunk.cameras[i], merged_chunk.cameras[i+1])
    scalebar.label = merged_chunk.cameras[i].label + " - " + merged_chunk.cameras[i+1].label
    scalebar.reference.distance = DISTANCE
merged_chunk.matchPhotos(accuracy=PhotoScan.HighAccuracy)
merged_chunk.alignCameras(adaptive_fitting=True)
merged_chunk.buildDepthMaps(quality=PhotoScan.UltraQuality, filter=PhotoScan.AggressiveFiltering)
merged_chunk.buildDenseCloud(point_colors=True)




And the problem

---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-16-11d873c156ac> in <module>()
     18 DISTANCE = 200
     19 for i in range(len(merged_chunk.cameras)-1):
---> 20     scalebar = chunk.addScalebar(merged_chunk.cameras, merged_chunk.cameras[i+1])
     21     scalebar.label = merged_chunk.cameras.label + " - " + merged_chunk.cameras[i+1].label
     22     scalebar.reference.distance = DISTANCE

ValueError: sequence element is not a Camera or Marker object

[Alexey Pasumansky]

Hello guicanarin,

Sorry, there's a typo in the line 20 of you latest code. Should be:
 scalebar = merged_chunk.addScalebar(merged_chunk.cameras, merged_chunk.cameras[i+1])

[guicanarin]

Hello Alexey, that seems funny (or not), but still not working =(
look

Code: [Select]

import os, PhotoScan
doc = PhotoScan.app.document
path_photos = PhotoScan.app.getExistingDirectory("C:\\Users\lma\Documents\Fotos.jpg")
image_list = os.listdir(path_photos)
photo_list = list()
for photo in image_list:
    if photo.rsplit(".",1)[1].lower() in  ["jpg", "jpeg", "tif", "tiff"]:
        photo_list.append("/".join([path_photos, photo]))
start = 0
while (start +1 < len(photo_list)):
    chunk = doc.addChunk()
    chunk.addPhotos(photo_list[start:start+2])
    chunk.detectMarkers(type=PhotoScan.CircularTarget12bit)
    start += 2
PhotoScan.app.document.chunks[-1]
PhotoScan.app.document.mergeChunks()
merged_chunk = PhotoScan.app.document.chunks[-1]
DISTANCE = 0.2
for i in range(len(merged_chunk.cameras)-1):
    scalebar = merged_chunk.addScalebar(merged_chunk.cameras, merged_chunk.cameras[i+1])
    scalebar.label = merged_chunk.cameras[i].label + " - " + merged_chunk.cameras[i+1].label
    scalebar.reference.distance = DISTANCE
merged_chunk.matchPhotos(accuracy=PhotoScan.HighAccuracy)
merged_chunk.alignCameras(adaptive_fitting=True)
merged_chunk.buildDepthMaps(quality=PhotoScan.UltraQuality, filter=PhotoScan.AggressiveFiltering)
merged_chunk.buildDenseCloud(point_colors=True)


The problem

---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-20-eb1a255791ff> in <module>()
     18 DISTANCE = 0.2
     19 for i in range(len(merged_chunk.cameras)-1):
---> 20     scalebar = merged_chunk.addScalebar(merged_chunk.cameras, merged_chunk.cameras[i+1])
     21     scalebar.label = merged_chunk.cameras.label + " - " + merged_chunk.cameras[i+1].label
     22     scalebar.reference.distance = DISTANCE

ValueError: sequence element is not a Camera or Marker object

[Alexey Pasumansky]

It was merged_chunk.cameras, merged_chunk.cameras[i+1] in the original post, wasn't it?

[guicanarin]

Hello alexey, i was wondering and trying to solve this problem, and i noticed that the scale bars will be created in merged chunks.
And it is not that i want, i want to create the scale bars before this step.
For example.
I have 80 Photos, and my script will create 40 chunks with 2 photos each in it.
And is in this step, after create the chunk with 2 photos , that the script will create the scale bars, all with the same lenght. And, in the end i will have 40 scale bars.
So, i put the scale bars line in my script, to you understand where the script will create hah
TY

Code: [Select]

import os, PhotoScan
doc = PhotoScan.app.document
path_photos = PhotoScan.app.getExistingDirectory("C:\\Users\lma\Documents\Fotos.jpg")
image_list = os.listdir(path_photos)
photo_list = list()
for photo in image_list:
    if photo.rsplit(".",1)[1].lower() in  ["jpg", "jpeg", "tif", "tiff"]:
        photo_list.append("/".join([path_photos, photo]))
start = 0
while (start +1 < len(photo_list)):
    chunk = PhotoScan.app.document.chunk
    chunk = doc.addChunk()
    chunk.addPhotos(photo_list[start:start+2])
    chunk.detectMarkers(type=PhotoScan.CircularTarget12bit)
   [color=red][b] chunk.addScalebar(chunk.cameras[1],chunk.cameras[2]) [/b][/color]
    start += 2
PhotoScan.app.document.chunks[-1]
PhotoScan.app.document.mergeChunks()
merged_chunk = PhotoScan.app.document.chunks[-1]
merged_chunk.matchPhotos(accuracy=PhotoScan.HighAccuracy)
merged_chunk.alignCameras(adaptive_fitting=True)
merged_chunk.buildDepthMaps(quality=PhotoScan.UltraQuality, filter=PhotoScan.AggressiveFiltering)
merged_chunk.buildDenseCloud(point_colors=True)


[Alexey Pasumansky]

Hello guicanarin,

Does the following modification work?

Code: [Select]

DISTANCE = 0.2
start = 0
while (start +1 < len(photo_list)):
    chunk = doc.addChunk()
    chunk.addPhotos(photo_list[start:start+2])
    chunk.detectMarkers(type=PhotoScan.CircularTarget12bit)
    scalebar = chunk.addScalebar(chunk.cameras[0],chunk.cameras[1])
    scalebar.label = chunk.cameras[0].label + " - " + chunk.cameras[1].label
    scalebar.reference.distance = DISTANCE
    start += 2
PhotoScan.app.document.mergeChunks()
merged_chunk = PhotoScan.app.document.chunks[-1]

[guicanarin]

OMG!!
It works!!
Thank You so much, alexey!!

[jedfrechette]

Is the latest version of the script in reply #9 actually working with the current version of Photoscan? Using version 1.4.2 if I try to do:

Code: [Select]

scalebar = chunk.addScalebar(chunk.cameras[0],chunk.cameras[1])
scalebar.reference.distance = 0.2
it throws an exception:

Code: [Select]

AttributeError: 'PhotoScan.Scalebar.Reference' object attribute 'distance' is read-only
If instead I try:

Code: [Select]

scalebar.Reference.distance = 0.5
that almost seems to work:

Code: [Select]

print(scalebar.reference.distance == scalebar.Reference.distance == 0.5)
True
However, if I look at the list of scale bars in the gui non of the scalebars that I've programmatically created have distance values assigned to them.

For my application I'm trying to create scale bars from markers, but the behavior is the same as described above.

[Alexey Pasumansky]

Hello Jed,

I've used the source code:

Code: [Select]

scalebar = chunk.addScalebar(chunk.cameras[0],chunk.cameras[1])
scalebar.reference.distance = 0.2and it worked find on a random project, so it seems that there might be some issues with your script. Are you using latest PhotoScan Pro version?

[James]

I found that i could intermittently recreate the problem using a minimal version of the script manually typing in the console

By setting a few scalebars' distances using scalebar.reference.distance = x i could set the distances with no problem and they immediately appeared in the reference pane, but after a combination of either clicking the 'update' button and/or setting scalebar.Reference.distance =y (with a capital R) i could no longer set scalebar.reference.distance = x without the exception mentioned, yet could still set scalebar.Reference.distance =y (with a capital R) although this did not show in the reference pane.

At that point i stopped playing and went back to work.

[Alexey Pasumansky]

Hello James,

Using scalebar.Reference.distance assignment you are actually breaking the script.

By calling scalebar.Reference you are accessing type definition. And scalebar.Reference.distance - is general method, not something that is applied to certain scalebar.