Support Knowledgebase Articles

28 knowledgebase articles. Click on a title to view the article. View other knowledgebase articles by type using links on the right.


3D Viewer and OpenGL/Coin error messages (Windows XP or Vista)
This article applies to older operating systems, like Windows XP, and Vista. For newer operating systems, see this article here. If you are seeing ...

 

After calibration why doesn’t my focal length doesn’t match what my camera or manual says?
The Calibrator does not have enough information so it guesses at one of the camera parameters. The basic answer though is, “it does not ...

 

Are parameter correlation warnings in the Project Status Report after a calibration something that needs further action?
A high correlation between some of the camera parameters does not necessarily mean a problem with the calibration, especially if the correlation is ...

 

Can I use a scan of a painting, sketch or CAD drawing in PhotoModeler?
A 2D drawing from a CAD package or a hand-drawn picture instead of a photo cannot be used in PhotoModeler. A drawing does not contain the geometry ...

 

Does Eos have a cam file or calibration data for an ABC digital camera?
We have some rough calibration data for a few digital cameras, but because there are so many digital cameras on the market, almost a new one every ...

 

How processing (bundle adjustment) finds, or sometimes does not find, a solution
PhotoModeler’s main processing algorithm is called a bundle adjustment. ‘Bundle’ comes from the bundle of light rays from 3D ...

 

How to measure full boats or larger areas with the Coded Target Letter Sheet Set
Letter Sheet Target Set PhotoModeler supplies a set of coded targets for use in the marine industry for outlining boat decks. These are called the ...

 

I am using a 35mm film camera and the manual says I must either use full frame prints or I need to put the Film Plane Insert in my camera. What if I don’t want to do either?
The PhotoModeler user manual is a bit misleading in this regard as it is written to help people get the best possible measurement accuracy. To get ...

 

I am using a tablet and pen and the PhotoModeler pointer is not working properly.
PhotoModeler depends heavily on receiving standard mouse movement messages. Many pen/tablet systems do not generate proper mouse movement messages, ...

 

I can get my project to process but the results are distorted.
These are the most common reasons why the 3D model or measurements will look distorted: The camera has not been set up correctly or the wrong ...

 

I cannot calibrate my long focal length (large zoom) lens. The Calibration fails or has very high error.
First, what is a “long” lens? A long lens has a narrow field of view and allows you to zoom-in on distance objects. A lens that is long, ...

 

I cannot get my project to process.
There can be a number of reasons why a project will not process. First you should study the audit statistics of a project and the hints on the ...

 

I get the message “Corrupt installation detected” when I run the PhotoModeler installer.
There are two possible reasons for this error message: You are trying to run the installation file that is saved on your hard drive in a location ...

 

Moving/Transferring a License before formatting your drive, reinstalling Windows, or changing computers (v2019+)
Before uninstalling PhotoModeler, or reinstalling PhotoModeler on a new computer, or if a PhotoModeler user needs to transfer the license to another ...

 

Opening certain projects over a network can be very slow – Fixed in Windows XP Service Pack 3
Opening certain projects over a network can be very slow. Other areas where image information is obtained (eg opening a Project Status Report) are ...

 

PhotoModeler 3D Viewer Problems
* This article is dated and would apply only to those with old computer and old video cards and drivers – circa 2017-2019. * There have been a ...

 

PhotoModeler crashes when loading a project or adding images to a project.
There has been a small number of reports where PhotoModeler crashes simply when loading photos or sometimes loading a project. With the help of our ...

 

PhotoModeler Fails to Start
If controls used by PhotoModeler fail to register with Windows during the installation the application cannot run. An error message usually appears ...

 

Problems running PhotoModeler on Windows Vista or Windows 7
If you experience problems running PhotoModeler on Windows Vista (ie problems with the mouse, program freezing, slow performance etc), you may see ...

 

Problems with Install/Uninstall of PhotoModeler
If you’re having trouble with the full installation of PhotoModeler, or a patch installation, you may have a corruption or conflict in the ...

 

Strange mouse behavior on Microsoft Surface with external display.
Erratic mouse cursor movement in PhotoModeler on photos and in the 3D Viewer can be caused screen resolution magnification settings. If your screen ...

 

The calibration of my digital camera does not seem to be very good. In particular the automarked points are not consistently marked.
Some digital cameras and some office flat bed scanners perform an automatic operation called “unsharp masking”. This makes photographs ...

 

Troubleshooting a Network Floating License Installation
Part of your Network Floating License installation package included step-by-step instructions (PhotoModeler Netfloat Installation Instructions) on ...

 

When I try to add control points to my project, processing fails though it was working properly before.
If you had a project that successfully processed, but after adding control points for the first time it no longer processes properly, the problem is ...

 

Why aren’t my Curves calculating or why do they have terrible shape?
The position of the camera during photography of the curve is key. Think of each section of the curve and imagine it is a straight line on the 3D ...

 

Why do measurements displayed by PhotoModeler not match what I expect?
The most common reason that measurements given by PhotoModeler do not match what you expect, is that a scale has not been set in the Scale / ...

 

Windows 10 “Creators” update causes problems for older versions of PhotoModeler
In early to mid 2017 Microsoft released an update for the Windows 10 operating system called “Creators”, and a security patch labelled KB4019472. ...

 

Windows Vista – resolving some performance problems
The occasional PhotoModeler user will experience performance or other problems while running PhotoModeler on Windows Vista. They may see ...