At DAT/EM, we've developed a way to extend the life of an InterMap Analytic (IMA) stereoplotter offering increased performance based on state-of-the-art PC technology. Existing in-house instruments can be upgraded on site, plus refurbished instruments are available from DAT/EM.

The IMA upgrade involves modifications to both mechanical and electronic components of the stereoplotter.

While the stage-plate drive portions of the IMA remain unchanged, the controls for the motorized zooms, image rotation, reference mark, and base-in/base-out are modified. The original automatic optical switching is preserved.

The original internal motion control computer is removed and replaced with a PC-based motion control computer. The dated MicroVAX is also removed from the system. It is replaced with a Pentium computer that controls the CAD and mapping functions.

The DAT/EM IMA operates with one monitor and keyboard. Switching between the two computers is accomplished by a switch box to conserve space. If desired, additional monitors and keyboards can be added. The Intergraph tablet is removed from the system and a new digitizing tablet is installed. If the instrument has existing hand wheels, they will remain in place. DAT/EM handwheels are also available.

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MicroStation and AutoCAD are considered around the world to be superior CAD systems for photogrammetric applications. Combined with our powerful mapping systems, DAT/EM Capture for MicroStation or DAT/EM Capture for AutoCAD, this software offers unrivaled precision, efficiency, and quality.

With DAT/EM's map compilation software, data is collected and edited completely within MicroStation or AutoCAD. With DAT/EM Capture for AutoCAD or DAT/EM Capture for MicroStation, you create a digital file with data designed for your particular CAD system. The result: a superior finished product in the format your clients expect. The time needed to install and train on the typical system is two to three days. Our default keypad affords you push-button simplicity and the entire system, from compiling to editing, is geared to show immediate results. DAT/EM's data capture software also comes with Map/Editor, which includes automated editing routines and other powerful enhancements.

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The DAT/EM IMA includes SoftMap's AP32 Stereo Orientation and ATM Program. This plotter software provides aerotriangulation features, advanced Interior, Relative, and Absolute Orientation functions, and support for direct orientations (GPS/INS oriented imagery). Project/Model Management allows the user to create, edit, delete, or change project and model definition files.

Interior Orientation grants the mapping professional the ability to pre-define the number of points and the flexibility in setting up different cameras for left and right stages. Relative Orientation allows the user to define a schema of points to which the stages will automatically drive, or the standard von Gruber positions may be used. Absolute Orientation is computed once a minimum number of control points is measured. As with all other orientations, computations are performed in real-time, and all the measured and unmeasured points are graphically displayed as you work.

AP32 has many advanced AT functions, including highly flexible naming schemes, point transfer and measurement mode options, optimization for minimum mouse/key interactions, and support for a wide variety of data input/output formats.

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The existing superimposition monitor and mount will be replaced with a DAT/EM SUPER/IMPOSITION monitor and mount.

With DAT/EM SUPER/IMPOSITION , virtually unlimited file sizes can be handled efficiently in real time. The system displays and pans with a smooth, coordinated motion of the graphics image and stereoplotter stages. When compiling, the operator can turn specific layers (or levels) off while leaving others on. DAT/EM's SUPER/IMPOSITION real-time response and high resolution graphics combine to greatly increase compilation efficiency while virtually eliminating feature omission errors. The superimposed image can be turned on and off with a single keystroke. When the screen is turned back on, the full image appears almost immediately, therefore, there is minimal time spent waiting for a redraw.

Features & Benefits:

• Increased performance based on state-of-the-art PC technology.
• Upgrading existing instruments preserves initial investment.
• Takes advantage of 32-bit processor technology.
• Preserves original mechanical functionality of the IMA.
• Base-in/base-out fully supported.
• Modernization of equipment cuts down on down-time.
• Advanced aerotriangulation functions.
• Intuitive orientation package.
• Completely automatic optical switching.   

CAD Computer Hardware:

• 333 MHz Pentium Processor or better
• Minimum 64 MB RAM
• 1.62 GB IDE Hard Disk
• 256 KB Cache
• 2 free serial ports
• PCI Enhanced IDE Interface
• PCI Local bus Graphics with 2 MB of video RAM
• Quad Speed CD-ROM
• 3 1/2" floppy drive
• 15" SVGA monitor
• Desktop case
• AnyKey keyboard and mouse

CAD Computer Software:

• Windows® 2000 or XP
• MicroStation V8 or AutoCAD 2000-series
• DAT/EM Capture for MicroStation or DAT/EM Capture for AutoCAD
• DAT/EM's Map/Editor
• DAT/EM's SUPER/IMPOSITION (Optional)
• AP32 Orientation Software

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View of Mt. McKinley from Petersville, Alaska