- 11
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Solar Engineer
เข้าร่วมเมื่อ 11 ก.พ. 2016
Hi, I am a solar engineer and I like it to create software tutorials. ;)
You can start discussions on feed-in tariffs, renewable energy, energy policy, funding, etc. here in my channel.
Description tags:
Type of video: Tutorial, Lesson, Exercise, Practice, Presentation, Demonstration
Type of featured software:
PV*SOL premium:
PVSOL, PV SOL, PV-SOL, Photovoltaic Application, Solar Calculator, 3D-Visualization, CAD-Tool, 3D-Sketchup-Tool, Shading Generator, Time-Step Simulation Program, Planning Software, Calculation Program, Spreadsheet Program, Economy Software
Features:
(Virtual) Photovoltaic System, PV Module, Solar Module, Solar Panel, Solar Cells, PV Array, Free Standing, Rack Mounted Arrays, Inverter, Inverter Configuration, PV Array Configuration, Grid-connected System, Stand-alone
Business Field:
Renewable Energy, Sustainable Energy, New Energies, Environmental Engineering, Climate Change, Climate Protection, Decentralized Energy Supply, Solar Energies, Photovoltaics
You can start discussions on feed-in tariffs, renewable energy, energy policy, funding, etc. here in my channel.
Description tags:
Type of video: Tutorial, Lesson, Exercise, Practice, Presentation, Demonstration
Type of featured software:
PV*SOL premium:
PVSOL, PV SOL, PV-SOL, Photovoltaic Application, Solar Calculator, 3D-Visualization, CAD-Tool, 3D-Sketchup-Tool, Shading Generator, Time-Step Simulation Program, Planning Software, Calculation Program, Spreadsheet Program, Economy Software
Features:
(Virtual) Photovoltaic System, PV Module, Solar Module, Solar Panel, Solar Cells, PV Array, Free Standing, Rack Mounted Arrays, Inverter, Inverter Configuration, PV Array Configuration, Grid-connected System, Stand-alone
Business Field:
Renewable Energy, Sustainable Energy, New Energies, Environmental Engineering, Climate Change, Climate Protection, Decentralized Energy Supply, Solar Energies, Photovoltaics
[Tutorial] Extract Google Earth 3D models with Pix4D and PV*SOL premium 2018
www.valentin-software.com/services/fw/yt-tut-en/dl-pvsolprem-en
1. Create screenshots in Google Earth Pro
2. Photogrammetry with Pix4D
3. Import of the 3D model into PV*SOL premium
First, start Google Earth Pro.
For this video I chose a free-standing, relatively complex building in England.
Here I enter the coordinates of the object.
A 3D model is to be extracted from this object.
First, I determine the size of an edge of the model. This is later used in PV*SOL to reproduce the scale.
To do this I use the ruler function of Google Earth and draw a 3D path to an edge that is well visible.
The measured length of the edge is approx. 20m.
In the next step I will take about 30 - 40 screenshots of the scene to create a 3D model in Pix4D.
In order to achieve an optimal result with photogrammetry, all labels and menus should be hidden first.
Now the screenshots can be made. Recommendation:
take pictures at 3 different altitudes:
- 12 pictures at the height of the ridge or the highest point of the building.
- 8 pictures from different angles of the bird's eye view
- 12 pictures at a height of 3 meters
Make sure
- that the target building is always completely visible,
- that potential additional shading objects are visible,
- and that the pictures are not too twisted.
The more images that are created from different perspectives, the better the 3D model created later on will be.
In some photogrammetry programs it is useful to take some close-ups as well.
Also move the mouse out of the picture before creating the screenshot, so that the mouse cursor is not visible in the picture!
After you have made the 30-40 screenshots, start Pix4Desktop.
(…)
In the next step the screenshots will be added.
Click on "Add Images".
Now select all screenshots with "Ctrl-A".
(…)
Select the menu item "3D Models" and then click "Finish".
The map view is now displayed.
This is not interesting at the moment, because there is no geoinformation in the pictures.
The next step is to create the 3D model. Before I click on "Start", let's first look at the options for this.
Click "Process", and then click "Process Options".
At first, only the settings for "Process" and "Point Cloud and Mesh"are interesting.
I leave the general process options unchanged. Make sure that "Keypoints Image Scale” "Full" is selected.
You can experiment a little later on with the settings for the "Point Cloud" to get an even better result. I leave the settings unchanged.
A few things have to be adapted to the mesh options so that the 3D model can be imported correctly into PV*SOL premium later on.
I want the textures from the screenshots to be transferred into the 3D model.
The maximum "Texture Size" should be 4096 pixels.
The maximum number of triangles has to be limited for the level of detail, because PV*SOL premium currently only accepts 3D models with a maximum of 500,000 points. You can achieve this with the decimation strategy "Sensitive".
A model file is automatically generated after photogrammetry is complete. Here you specify that this file is to be created in obj format.
Now the 3D model can be created.
First, perform step 1 only!
This process can take several minutes. I'm fast-forwarding.
The result now shows the reproduced positions of the camera and the tie points.
The camera positions can be hidden.
Unfortunately, the program sometimes has difficulties in determining the correct position of the model from the screenshots.
Here you can see a completely unnatural slope which has to be corrected.
The "Orientation Constraints" function is used to correct the alignment and inclination of the model.
Place the ends of the 3D arrow at a distance you know to be parallel to the height axis. (Here z-axis!!)
Step 1 must now be revised.
The model has now been corrected. Next, the triangle mesh can be generated.
I'm fast-forwarding again. ;)
Now the 3D model is already complete and can be viewed.
If you want to view the mesh, you must first activate "Triangle Meshes".
I just want to view the triangulated mesh and disable the other elements.
You can see that the 3D model is already close to the Google original.
Now open PV*SOL premium 2018 or a higher version!
I am already in the 3D visualization of PV*SOL premium and have started a new project there.
Now import the 3D model you created with Pix4D. To do so, click this button.
You will find the. obj file, as well as materials and texture in the project folder that Pix4D has created.
I simply place the 3D model in the middle of the terrain.
As you can see, the 3D model is stored in an unusual coordinate system, which has to be corrected.
To do this, double-click on the model and select the "Tilt backward" option.
The model has also been well imported into PV*SOL premium. Here already with representation of the shading.
(…)
End of the tutorial.
1. Create screenshots in Google Earth Pro
2. Photogrammetry with Pix4D
3. Import of the 3D model into PV*SOL premium
First, start Google Earth Pro.
For this video I chose a free-standing, relatively complex building in England.
Here I enter the coordinates of the object.
A 3D model is to be extracted from this object.
First, I determine the size of an edge of the model. This is later used in PV*SOL to reproduce the scale.
To do this I use the ruler function of Google Earth and draw a 3D path to an edge that is well visible.
The measured length of the edge is approx. 20m.
In the next step I will take about 30 - 40 screenshots of the scene to create a 3D model in Pix4D.
In order to achieve an optimal result with photogrammetry, all labels and menus should be hidden first.
Now the screenshots can be made. Recommendation:
take pictures at 3 different altitudes:
- 12 pictures at the height of the ridge or the highest point of the building.
- 8 pictures from different angles of the bird's eye view
- 12 pictures at a height of 3 meters
Make sure
- that the target building is always completely visible,
- that potential additional shading objects are visible,
- and that the pictures are not too twisted.
The more images that are created from different perspectives, the better the 3D model created later on will be.
In some photogrammetry programs it is useful to take some close-ups as well.
Also move the mouse out of the picture before creating the screenshot, so that the mouse cursor is not visible in the picture!
After you have made the 30-40 screenshots, start Pix4Desktop.
(…)
In the next step the screenshots will be added.
Click on "Add Images".
Now select all screenshots with "Ctrl-A".
(…)
Select the menu item "3D Models" and then click "Finish".
The map view is now displayed.
This is not interesting at the moment, because there is no geoinformation in the pictures.
The next step is to create the 3D model. Before I click on "Start", let's first look at the options for this.
Click "Process", and then click "Process Options".
At first, only the settings for "Process" and "Point Cloud and Mesh"are interesting.
I leave the general process options unchanged. Make sure that "Keypoints Image Scale” "Full" is selected.
You can experiment a little later on with the settings for the "Point Cloud" to get an even better result. I leave the settings unchanged.
A few things have to be adapted to the mesh options so that the 3D model can be imported correctly into PV*SOL premium later on.
I want the textures from the screenshots to be transferred into the 3D model.
The maximum "Texture Size" should be 4096 pixels.
The maximum number of triangles has to be limited for the level of detail, because PV*SOL premium currently only accepts 3D models with a maximum of 500,000 points. You can achieve this with the decimation strategy "Sensitive".
A model file is automatically generated after photogrammetry is complete. Here you specify that this file is to be created in obj format.
Now the 3D model can be created.
First, perform step 1 only!
This process can take several minutes. I'm fast-forwarding.
The result now shows the reproduced positions of the camera and the tie points.
The camera positions can be hidden.
Unfortunately, the program sometimes has difficulties in determining the correct position of the model from the screenshots.
Here you can see a completely unnatural slope which has to be corrected.
The "Orientation Constraints" function is used to correct the alignment and inclination of the model.
Place the ends of the 3D arrow at a distance you know to be parallel to the height axis. (Here z-axis!!)
Step 1 must now be revised.
The model has now been corrected. Next, the triangle mesh can be generated.
I'm fast-forwarding again. ;)
Now the 3D model is already complete and can be viewed.
If you want to view the mesh, you must first activate "Triangle Meshes".
I just want to view the triangulated mesh and disable the other elements.
You can see that the 3D model is already close to the Google original.
Now open PV*SOL premium 2018 or a higher version!
I am already in the 3D visualization of PV*SOL premium and have started a new project there.
Now import the 3D model you created with Pix4D. To do so, click this button.
You will find the. obj file, as well as materials and texture in the project folder that Pix4D has created.
I simply place the 3D model in the middle of the terrain.
As you can see, the 3D model is stored in an unusual coordinate system, which has to be corrected.
To do this, double-click on the model and select the "Tilt backward" option.
The model has also been well imported into PV*SOL premium. Here already with representation of the shading.
(…)
End of the tutorial.
มุมมอง: 102 663
วีดีโอ
[Tutorial] Google Earth 3D-Modelle extrahieren mit Pix4D und PV*SOL premium 2018
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Danke für das hilfreiche Video. Wie führt man im PVsol eine Schattenberechnung durch und wird der Horizont, sprich die Berge berücksichtigt?
Danke
I expected something professional from PV*SOL. Importing 3D models from Google Earth is ridiculous. The actual creation of 3D models in PV*SOL is very imprecise. "Professional" design of a PV system then has gross shortcomings. I am testing the 2023 premium version and I am very dissatisfied.
Not every place on the map has a 3D visualization! Absolutely unusable for normal use. It's good for playing, it's impossible for work.
Imagem assim só funciona na Améria do Norte. Quero ver fazer com uma imagem no Brasil com a mesma qualidade.
Como vc conseguiu uma imagem tão nítida no Google earth, o meu fica todo borrado, consegue me ajudar?
essas placas não ficaram inclinadas pro sul??
O sistema em questão foi modelado no hemisfério Norte, por isso a inclinação para o Sul. Abraço!
Dobra pomoc do nauki programu 👍
Qué tipo de laptop necesito i3 i5 ??? Xfaaa
👏👍
It's very good and useful. Thank you!
Descargue el programa y no aparece en la opción "Nuevo Sistema 3D", la opción "FRAGMENTO DEL MAPA"...?????
Google earth nie działa na mniejszych miejscowościach, szkoda. (wymiarowanie)
great work can you please help me i have tried so many times to download the pvsol premium once i open it it remains on the screen the program files
Hello, thank you for your tutorial was very interesting but can it be used on a much larger scale. For example to a site contexts, which would cover the city centre of bristol?
You can use Pix4D doing that, but PV*SOL ist very limited.
o meu pvsol nao tem a opção de inserir imagem do hd para importar, ele não é a versão pro ?
good effort, but the model still look like crap.
Thats right! Hope the 3D Maps get cleaner soon and also Photogrammetrie Technologies!
I cannot find a tutorial on how to MAKE 3D models.
lmao lowkey great ad for PV SOL premium, didnt even realise wtf PV SOL was until I already downloaded it
Puedes colgar más vídeos en español, de cálculos. Gracias buen vídeo.
Wow Amazing tutorial! Thank you for making this
Hi! Thanks a lot for the Video. I have a small problem with the imported model in pv sol. It is plain white. It has no texture, no colors. In the Pix4D project folder there is a file named texture.jpg but apparently it is not imported into py sol as well... could you help me with that problem? Thanks a lot!
Please contact the support of Valentin Software: www.valentin-software.com/en/sales-service/customer-service/technical-support
Is there already a solution or fix for your problem? I've got the same problem at this moment!
already found the solution, reduce the pixels of your pix4d file in the settings from 8960x8960 to 4096x4096 or somewhat option.
Wie exportierst du die Datei in .Obj? Ich brauche das dringend als .obj datei
05:40 : Hier stellst du ein, welches Zielformat am Ende der Photogrammetrie erstellt werden soll. Das ist dann hier bereits ein .obj - File und liegt im Arbeitsverzeichnis von Pix4D.
Thanks a lot ...
i cant understand how you take the picture
You can take the screenshots with tools like ac'tivAid.
Du verweist bei 10:22 auf ein anderes Video welches ist das ? LG
Ja, leider kann man keine anderen Videos mehr direkt im Video verlinken. Ich meine diese Video hier: th-cam.com/video/XBG-jd3SeSU/w-d-xo.html
Thank you for the great Tutorial!! I have problems making the screenshots? How do you do it? Thank you
With a good screen shot tool. For example "ac'tivAid"
how to look super structures shadow length from top view?
I'm not sure I understood the question. Maybe you can ask the question in the valentin forum. forum.valentin-software.com/
Quite a handful of help on PVSol.
el software es con normas americana o europeas?
You can set the standards for each country
I use PVSol regularly at work. There are a couple of really useful tips in here that I had missed. This was very useful, many thanks.
You can with the program import Autocad objects.
The best software for solar PV systems design!
Very detailed information, thanks! Would you say PV*SOL is the most used design software or are there other ones that the industry uses? Thanks again!
como copiar un edificio ya creado. no encuentri un solo manual que lo explique
i just created a building, just wanted to copy that buildinf next to it, then i clicked right and the copy menu appears, but it seems i cannot finnish the command, it doesn¡t mind where do i click later, i have no other option left than to terminate the command, and therfore not get any copy of the original buiding. this explanatin of the command is horrible. it doesn't work. building is empty, still no modules on its roof. iclick in the object, i click in the terrain and nothing works. i cannot drag either. this is bullshit!.
No problem: You have to drag and drop it from the button in this copy dialog like you do when you drag a new 3D object. Do it like here: th-cam.com/video/otK-ujjr1S8/w-d-xo.htmlm24s And please note, I only do the tutorials. They have a forum to ask such questions and they have a hotline, too. They will help you! And make shure you have the right version. www.valentin-software.com/
this is the biggest pile of trash of explanation about how the command copy works that i have seen in my life. I have lost like half of the day trying to figure out how it works, and it is just because the point 7 has the strangest explanation that i have seen in my life. by the way, it is not intuitive at all, and something that is not intuitive should be much better explained. this is how it should be explained instead: instead of: "7.-With the mouse pointer, pull the copy from the cable surface in the lower portion of the window" , it should say: 7.-if you look under the part of the command window where it is written "drag and drop the following object:", you will see a highlighted rectangle with the drawing of a house and the words "building" next to it. Now that you found it, and With the mouse pointer, click on that aforementioned rectangle or bar, AND WIHTOUT RELEASING THE BUTTON, (you will realize that you are doing it right because the rectangle will glow red now) move the mouse pointer into the drawing area. Now, fucking magically, when the pointer of the mouse leaves the command square area, you will be dragging an object at the pointer, which is the copy you pretended to have. Release the button of the mouse now, wherever you want to place your copy, within the drawing area. And that is the way how point 7 should be written so any dumbass including myself, may understand it. seriously, what the fuck means "pull the copy from the cable surface in the lower portion of the window" cable what cable? cable the superhero? electricity cable? cable surface? the plastic layer of the electricla cables when you peel then. what the fuck, seriously? and the lower portion of the window. which window? portion of a cake? ... Who the fuck translated this. sure it was a philologist, not an engineer, that's for sure. Really i wanted to chop the head off the guy who wrote this instruction. seriously no fucking teaching skills, and the wasted time.
Yes, you are right. I didn't see it!! Sorry, that I gave you this link. It only was, because you said that they have no help and they have.. and it is it :) Sorry. I think point 7 is an additional advice for copiing cables in the cable plan. But I will mail them to change this passage of the help.
thanks for understanding my extreme frustration. And thanks for answering. seriously there was no way at all to do it. this happens when what all a company have to show how their software works is a list of functions, and not a proper manual, or a proper how to... adressing the different ways about how to do or achieve something. as it happens with PVSOL. i think they should also post more videos in TH-cam.
This video is also available with an English language voice-over here: th-cam.com/video/eIO3eaZmghw/w-d-xo.html
Good day How do you go back to bird's eye view?
Hello, there is a Drop Down Button in the "Terrain View". There you can select the "Overhead View". But you can also move around freely with the keyboard keys "W", "A", "S", "D" and the mouse scroll wheel. If you have more questions I recommend you the Valentin Forum: www.valentin-software.com/services/fw/yt-channel-si/forum
Interesante el aplicativo. Conozco PVSyst, es algo más complejo por que es muy de parámetros. Me gustaría ver más vídeos de techos a 4 aguas y ver el proyecto total, conexiones, inversores..etc.