3d Scanner For Inventor

[Noreen]

I have create an app name "NagelAahi" with website url and website is " ".

in this app all the function and pages are working properly but there is an issue "QR Code Scanning".

" " this is the website page in this page user scan QR Code but QR Code scanner not working it needs permission of camera.

Hello good afternoon, I have a question about QR code scanner. I currently created an app that has a barcode scanner and i want to try to send the information that i scan, to a google sheets .csv spreadsheet. For example if i scan a QR code i want the information to show in the .csv file with the name under the name column, the number under the number column, etc. I actually have 2 questions:

Would it be possible to accomplish the same by scanning a QR code with my barcode scanner and then sending that information to another screen in my app where i have a textbox and spinner, what i mean by this is that if i scan the QR code can i automatically fill in my textbox and spinner fields from that QR code and then click the save button so that the name and number from that specific QR code saves into the .csv? (i have already successfully connected my textboxes and spinners to a specific .csv i created, so i was curious if this method was possible?) Thank you so much for the help in advance. I always appreciate the input.

Hi everyone. My company is considering of buying a 3D scanner. We received a sample from the seller for us to try to work with our existing software (Inventor 2018). I wish to make the part more interactable (e.g. with holes and flat surfaces), so that we can either mount it or hold it by using constraint. Is there any way to make this item so?

You wont be able to scan something in and have it magically convert to perfect geometry. The mesh enabler can convert mesh to surfaces or solids (if mesh is watertight). But the surface will retain the imperfect triangulated surface geometry inherited from the mesh.

The "Fit Mesh Face" tool can do a best fit primitive surface features such as planes, cylinders, etc. So, you could extract a few primitives and use those to mate against. For holes in the sample part, I think the best you can do is make a best fit plane and sketch a best fit circle yourself.

You can constrain directly to mesh faces, and I've noticed that inventor does some behind the scenes magic to try and recognize flat surfaces and circles when constraining, but I don't think it will work as well on scanned data since it is somewhat noisy.

Fusion 360, 3DS, and mesh mixer are all autodesk software that have a few mesh tools to help preprocess a mesh file (if you scanner software doesnt already). For example, you could decimate the mesh in any of those softwares to drastically reduce the triangle count. Generally, I have found that fusion 360 does a better job of converting watertight meshes to solids.

Hi, we are looking into getting a 3D laser Scanner for reverse engineering. We have Inventor HSM (Inventor Professional 2018) and would like to get a system that will work good with that. Any input on what's good and what to stay away from will be greatly appreciated. We had a demo and have a quote with the Nikon Moldmaker100 with an arm and polyworks software, It seams really nice and will do what we are looking for, but we don't know enough about scanners to know if it's a good deal or if there is something better to look at. Thanks

Not necessarily relevant for this forum but the question you need to answer is what accuracy do you need. This will determine what scanner you need and what price range. You also need to think about what range are the items you want to scan.

Since Dr. Damadian and his research assistants finished building the first M.R.I. scanner more than 40 years ago, it has become an essential piece of medical equipment, allowing doctors to peer inside the human body with more detail and greater resolution than X-rays and CT scans provide, without exposing patients to damaging radiation as many other technologies do.

Modern scanners typically use a charge-coupled device (CCD) or a contact image sensor (CIS) as the image sensor, whereas drum scanners, developed earlier and still used for the highest possible image quality, use a photomultiplier tube (PMT) as the image sensor. A rotary scanner, used for high-speed document scanning, is a type of drum scanner that uses a CCD array instead of a photomultiplier. Non-contact planetary scanners essentially photograph delicate books and documents. All these scanners produce two-dimensional images of subjects that are usually flat, but sometimes solid; 3D scanners produce information on the three-dimensional structure of solid objects.

Digital cameras can be used for the same purposes as dedicated scanners. When compared to a true scanner, a camera image is subject to a degree of distortion, reflections, shadows, low contrast, and blur due to camera shake (reduced in cameras with image stabilization). Resolution is sufficient for less demanding applications. Digital cameras offer the advantages of speed, portability, and non-contact digitizing of thick documents without damaging the book spine. In 2010 scanning technologies were combining 3D scanners with digital cameras to create full-color, photo-realistic 3D models of objects.[1]

In the biomedical research area, detection devices for DNA microarrays are called scanners as well. These scanners are high-resolution systems (up to 1 μm/pixel), similar to microscopes. The detection is done via CCD or photomultiplier tubes.

Drum scanners capture image information with photomultiplier tubes (PMT), rather than the charge-coupled device (CCD) arrays found in flatbed scanners and inexpensive film scanners. "Reflective and transmissive originals are mounted on an acrylic cylinder, the scanner drum, which rotates at high speed while it passes the object being scanned in front of precision optics that deliver image information to the PMTs. Modern color drum scanners use three matched PMTs, which read red, blue, and green light, respectively. Light from the original artwork is split into separate red, blue, and green beams in the optical bench of the scanner with dichroic filters."[4] Photomultipliers offer superior dynamic range and for this reason, drum scanners can extract more detail from very dark shadow areas of a transparency than flatbed scanners using CCD sensors. The smaller dynamic range of the CCD sensors, versus photomultiplier tubes, can lead to loss of shadow detail, especially when scanning very dense transparency film.[5] While mechanics vary by manufacturer, most drum scanners pass light from halogen lamps though a focusing system to illuminate both reflective and transmissive originals.

The drum scanner gets its name from the clear acrylic cylinder, the drum, on which the original artwork is mounted for scanning. Depending on size, it is possible to mount originals up to 20 by 28 inches (510 mm 710 mm), but the maximum size varies by manufacturer. "One of the unique features of drum scanners is the ability to control sample area and aperture size independently. The sample size is the area that the scanner encoder reads to create an individual pixel. The aperture is the actual opening that allows light into the optical bench of the scanner. The ability to control aperture and sample size separately are particularly useful for smoothing film grain when scanning black-and-white and color negative originals."[4]

While drum scanners are capable of scanning both reflective and transmissive artwork, a good-quality flatbed scanner can produce good scans from reflective artwork. As a result, drum scanners are rarely used to scan prints now that high-quality, inexpensive flatbed scanners are readily available. Film, however, is where drum scanners continue to be the tool of choice for high-end applications. Because film can be wet-mounted to the scanner drum, which enhances sharpness and masks dust and scratches, and because of the exceptional sensitivity of the PMTs, drum scanners are capable of capturing very subtle details in film originals.

The situation as of 2014[update] was that only a few companies continued to manufacture and service drum scanners. While prices of both new and used units dropped from the start of the 21st century, they were still much more costly than CCD flatbed and film scanners. Image quality produced by flatbed scanners had improved to the degree that the best ones were suitable for many graphic-arts operations, and they replaced drum scanners in many cases as they were less expensive and faster. However, drum scanners with their superior resolution (up to 24,000 PPI), color gradation, and value structure continued to be used for scanning images to be enlarged, and for museum-quality archiving of photographs and print production of high-quality books and magazine advertisements. As second-hand drum scanners became more plentiful and less costly, many fine-art photographers acquired them.

This type of scanner is sometimes called a reflective scanner because it works by shining white light onto the object to be scanned and reading the intensity and color of light that is reflected from it, usually a line at a time. They are designed for scanning prints or other flat, opaque materials but some have available transparency adapters, which for a number of reasons, in most cases, are not very well suited to scanning film.[6] Some flatbed scanners incorporate sheet feeding mechanisms called ADFs (Automatic Document Feeders).[7]

"A flatbed scanner is usually composed of a glass pane (or platen), under which there is a bright light (often xenon, LED or cold cathode fluorescent) which illuminates the pane, and a moving optical array in CCD scanning. CCD-type scanners typically contain three rows (arrays) of sensors with red, green, and blue filters."[8]

Contact image sensor (CIS) scanning consists of a moving set of red, green, and blue LEDs strobed for illumination and a connected monochromatic photodiode array under a rod lens array for light collection. "Images to be scanned are placed face down on the glass, an opaque cover is lowered over it to exclude ambient light, and the sensor array and light source move across the pane, reading the entire area. An image is therefore visible to the detector only because of the light it reflects. Transparent images do not work in this way and require special accessories that illuminate them from the upper side. Many scanners offer this as an option."[8]

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