Category Archives for "Tip video"
Posts on the PhotoModeler tip videos.
Tip 21: Align a PhotoModeler project to known external 3D points
This video tip demonstrates how to set up a coordinate system in PhotoModeler from multiple known 3D points. This is useful when survey data or geographic data is available and you want the PhotoModeler project to be aligned (same position and rotation) as the external coordinate system. The 3D points can come from a survey, […]
Tip 20: Color and Texture an Imported Point Cloud in PhotoModeler
This tip video demonstrates a technique available in the new PhotoModeler 2012.2 release. If you have a 3D point cloud from a 3D scanner (like a laser scanner) that you would like to match to a digital photo to color the points, PhotoModeler 2012.2 can do that. The 2012.2 release is called the “Laser Scanner […]
Tip 19: Automatic masking of backgrounds in PhotoModeler DSM creation
Often when creating Dense Surface Models (DSM) you need to trim out part of the image to reduce noise and improve efficiency. This trimming is done with DSM Trims – which are user-defined polygonal regions. For a more precise and somewhat more automated trimming method, DSM Masks can be used. A DSM Mask is a […]
Tip 18: PhotoModeler Animation and Video Export
The 3D view of a PhotoModeler project can be animated (flyby, fly-around, etc.) and exported as a video for local study, a GIF file for use on the web, or uploaded directly to Youtube. This tip video shows the steps and some of the options.
Tip 17: Open photos to show object relationships in PhotoModeler
To create a 3D object in PhotoModeler the object usually has to be visible on multiple photographs. The process of ‘marking’ and ‘referencing’ the object (point, edge, curve, cylinder, etc.) on more than one photograph is what determines its 3d position in space. When you are viewing a photo with an image of an object […]
Tip 16: Paste PhotoModeler Table Data into Excel
A great way to analyze data from PhotoModeler is to display one of the many Table Views (such as the 3D Points Table, or the Photos Table), and export it to Excel. You can then use the power of Excel for sorting, analysis, etc. This video shows the easy steps to copy/paste from PhotoModeler to […]
Tip 15: PhotoModeler’s Camera Frustum View
PhotoModeler’s 3D Viewer is a great tool for viewing your 3D model, as well as viewing the positions of the camera(s) that took the photos. A new feature in 2012.1.1 now shows the camera frustums as well. A frustum is the volume the camera sees, shown graphically by a 3D wireframe solid. These are useful […]
Tip 14: PhotoModeler’s Curves Through Points
PhotoModeler can create b-spline curves (NURBS) in two ways. The first is by marking the curve edge in multiple photographs and referencing these curve marks. The second is fitting a curve through a set of existing 3D points. This tip demonstrates the latter technique of selecting one-by-one, or group selecting points to fit a curve […]
Tip 13: PhotoModeler’s Video Import
This tip demonstrates a recently added feature: Video Import. Video files can now be used as a source of photogrammetric information – stills are extracted from the video and used the same way photographs from a digital still camera are. The frame extraction can be done manually, with a small embedded video player in PhotoModeler […]
Tip 12: Linking 3D Views in PhotoModeler
This tip shows a recently added feature called ‘3D Viewer Linking’. For some time, you have been able to open multiple 3D Viewer windows and show different object types, different layers, and different rendering qualities (points, meshes, surfaced, textured) in the different windows. Now with multiple open 3D View windows you can sync their view […]