6/14/2023 0 Comments Stereogram makerMy research into the psychology and mathematics behind the Autostereogram resulted in a new algorithm for their generation, which I named the Horoptic algorithm, and which – to my eyes at least – produces better results than the existing algorithms I discovered at the time. 2D images in which depth can be perceived by a trick of focussing the eyes), using random dot textures or any arbitrary bitmap. The end result was a Win95 application which could generate Autostereogram images (i.e. My final-year project at University was a program to generate Autostereograms, which at the time were enjoying a period of popularity. To enable stereo viewing in ArcGIS Pro, you must first turn on the appropriate stereo mode, which is dependent on the type of stereo hardware you use.Windows application for generating stereogram images SoftwareĪfter your stereo viewing hardware is set up, you must configure ArcGIS Pro software setup. The supported 3D input device is any mouse that can be used as a system mouse. PluraView 3D passive stereoscopic viewing kit.Volfoni active stereoscopic viewing kit.See the set-up instructions for the graphic card and different stereographic viewing kits: Passive stereo viewing system-Polarized glasses are paired with dual high resolution monitors and beam splitter.īoth systems use an appropriate video card, RAM, SSD, CPU, and a 3D input device.Active stereo viewing system-Active shutter glasses are paired with a high resolution interlaced monitor with a fast refresh rate.Additionally, there are two options for viewing stereo imagery in ArcGIS Pro. The simplest option to view stereo imagery is to use cyan and red anaglyph glasses. You can use different hardware configurations to view imagery in 3D stereo. In addition to the minimum requirements to run ArcGIS Pro, you must configure your system with appropriate hardware and software to view and work with stereo imagery. With a mosaic dataset, you can define the elevation through the geometric function. For practical application and better stereo display, use a mosaic dataset to manage the stereo models because satellite data and ADS data both need an elevation for projection metric fitting. If you use a stereo pair, make sure that the image pair has the geometric accuracy required for your feature collection. You can also quickly define a stereo image source using two separate images-a left and a right image-such as a stereo pair provided by satellite data distributers. The software allows you to manually adjust the y-parallax for correcting the stereo misalignment, but it's recommended that you perform this adjustment using the block adjustment tools before using it in stereo mapping.įor ADS data, the stereo map can display L1 images directly without additional adjustment. Add the images to your stereo map and locate an object if the object in the left and right images lines up horizontally, the images are geometrically correct for stereo viewing and accurate feature compilation. After the data source is defined for the stereo map, a stereo alignment quality control check should be performed. The quality of your stereo models can affect results of the features you collected. A stereo model is two images that are taken over the same sensor with an overlap and intersection angle that can form a pair for stereo viewing the two images must have correct georeferencing and orientation. The input for the stereo map can be a mosaic dataset that manages a collection of stereo models, or a single stereo model. Stereo mapping supports satellite data, aerial image data, ADS data, and drone data. Stereo mapping requires the ArcGIS Image Analyst extension. The output of your feature creation or editing session is saved directly to a geodatabase and can support multiuser concurrent editing workflows. While editing, you can use existing layers, symbols, and templates. The editing experience in a stereo map is consistent with the standard editing experience in ArcGIS Pro for creating and editing feature class data. In active shutter glasses mode, the right and left images are flickered at 120 hertz, synchronized between the monitor and the shutter glasses. In anaglyph mode, one band from the left image is displayed in the red channel, and two bands from the right image are displayed in the blue and green channels. ![]() The stereo map uses the left and right images in the stereo model to establish the stereo display. For stereo viewing, you can use either active shutter eyewear or red and cyan anaglyph glasses. ![]() You can collect 3D point, line, and polygon features for various workflows such as parcel editing, creating simple 3D buildings, and measuring distances and heights. ArcGIS Pro stereo mapping provides the ability to view stereo pairs and collect 3D features.
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