Brief Introduction of JX-4C Distributed Processing System

JX-4C DPS is a set of semi-automatic microcomputer digital photogrammetry workstation developed by combining the working experience of production units.

hardware configuration

1, computer system (recommended)

CPU: Intel Pentium IV, clocked at 3.0GHz 800 FSB.

Motherboard: Intel 865PE chipset

Memory capacity: 1GB(5 12MB DDR400)

Hard disk capacity: 120GB, 7200 rpm.

CD: 50 times the speed.

Graphics card: display memory 128MB.

Network card: 10/ 100Mbps Ethernet interface card.

Display: 2 sets 19 inch flat color display.

2. Other peripheral devices

3D input card: 1

3D output card: special stereo graphic image for photogrammetry 1 color roaming card.

Stereo display system: 3 sets of TJ3D LCD stereoscopic glasses, 1 controller.

Three-dimensional coordinate input device: left and right handwheels, pedals and pedals.

3. Operating system

WINDOWS NT/2000 professional edition

software configuration

1.3D input and 3D display driver software

2. Fully automatic internal orientation, relative orientation and semi-automatic absolute orientation software.

3. Image matching software

4. epipolar calibration and resampling software

5.Tin and DEM stereo editing software

6. Automatically generate DEM and DEM splicing software.

7. Automatic contour generation software

8. Automatically generate DOM and DOM seamless splicing software.

9. Overall batch processing software (internal orientation, relative orientation, epipolar resampling, DEM and DOM, etc.). )

10. Software for matching and editing contour lines and stereo images

1 1. vector drawing software

12. Map symbol generator software

13. raster map revision software

14.Microstation real-time online drawing interface software and data conversion software.

Orthophoto software generated by 15.Tin

16. Empty three encrypted data import software.

17. Software for directly setting projection center parameters

18. 3D landscape map software

19.IKONOS satellite photo processing software (optional)

20. Automatic digital aerial triangulation software (optional)

feasibility

1, visualization:

* Vector (including lines and symbols), DEM and TIN can be mapped to stereoscopic screen.

* Raster map can be mapped to stereoscopic screen.

* city three-dimensional data can be displayed on the stereo screen.

* Two-dimensional screens can overlap and display and edit vectors, DEM, TIN and DOM at the same time.

* Hardware image roaming, graphics roaming, measurement roaming, and realize convenient real-time stereo editing.

order

2. Automation:

* Automatic internal orientation and relative orientation

* semi-automatic absolute orientation

* Progressive object image matching

* generate TIN and DEM according to relevant points and characteristic lines.

* The contour shape generated is very consistent with the terrain.

3. Interaction:

*DEM stereo editing

*TIN stereo editing

* outline three-dimensional editing

* 3D editing of 3D city data

* More than 100 vector editing commands.

4. Speed and accuracy:

* Professional photogrammetry stereo display card can achieve sub-pixel stereo observation accuracy.

* Professional photogrammetry stereo display card, which can realize high-speed full-image smooth roaming.

* High-quality orthophoto images generated by TIN can be accurately nested with vectors.

5. Convenience:

* Using the function of secondary geodesic orientation, you can realize the operation mode of indoor first and then outdoor.

* Using the function of secondary original image, you can import the old empty three data.

* use DEM (or TIN) to automatically convert 2D data into 3D data, or through a small number of 3D views.

Measurement makes two-dimensional house data plus elevation coordinates into three-dimensional house data.

get along well with

1, various image processing:

Traditional aerial photos, stereoscopic IKONOS, stereoscopic SPOT5,

Stereo ADEOS, stereo radar, close range, DMC

2, can complete a variety of tasks:

Vector mapping, DEM, TIN, DOM, three-dimensional city

3. Output format:

Vector -DGN, DXF, shapfile(ArcGIS), ASC and JX4.

DEM—ASC, DXF and JX4 (Chinese national standard)

Tin-jx4, ASC and DXF

Dom-Tiffany and TFW

4, real-time online with the following three kinds of software:

Microstation(95, SE, J and V8)\ AutoCAD2000(2002)\ ArcGIS

5, all kinds of empty three data import:

Part_B\ LH\ ImageStation\ JX4\ Vz

6. Use the following data to directly establish the model:

Externally oriented elements, matrices

7, using the existing data:

Reference or reference existing vectors when mapping.

Extract related layers from existing vectors as characteristic lines to assist association and generate TIN.

Use existing vectors or DEM to generate orthographic images.

8. Design layer control file, line type library and symbol library independently.

9. Realize the mapping combination command by designing the action file.

Software options

1, JX-Mono software

JX-Mono can realize orthorectification and mosaic of aerial photos and remote sensing images.

* Orthophoto correction, DEM, TIN, control points, feature points, feature lines and other data can be used.

Obtain the elevation information of the ground, and realize the rectification of orthographic images of various elevation data sources alone or mixed.

Positive.

* Orthophoto correction of aerial images, which can import aerial data such as JX4 and Virtuozo to achieve high accuracy.

Accurate, efficient and automatic correction operation.

* orthophoto correction of remote sensing image data, JX Mono has realized IKONOS, SPOT5, ADEOS,

Processing various visible light data and radar data, such as sentinel and RADARSAT.

The image mosaic function of JX mono can balance and improve the overall tone of the image in the whole area.

The local balance of local tone fine-tuning can output mosaic results of arbitrary or standard framing.

2. Stereo mapping of remote sensing data

JX-4C DPS can process not only aerial photos, but also various remote sensing images.

Part of the data can be used to make DEM/TIN, DOM, DLG and other products.

* Compared with aerial photos, remote sensing data has the following advantages besides the differences in parameter setting:

No need for internal orientation, fast data acquisition, comprehensive high, medium and low resolution and wide coverage.

Large and different data sources can be used for large, medium and small scale mapping and updating respectively.

At present, JX-4C DPS has realized the processing of stereoscopic visible light data and radar data such as IKONOS, SPOT5, ADEOS, Qianbing and RADARSAT. Other satellite images can generally be processed by adding corresponding modules.

3.Jx-Easitor editing software

Jx-Easitor is an editing software based on Microstation platform. Is the reality of the vast number of users.

International demand not only overcomes some functions of Microstation itself in compiling three-dimensional data.

The series has limitations, but it also adds many new and professional editing functions, such as curve interpolation and music.

Line repair and measurement, etc. It has the advantages of convenience, rapidity and high efficiency in practical operation.

4. Online measurement software for JX4 overhead transmission line

The software is specially designed for overhead transmission line survey, with pure Chinese menu and Windows standard interface.

And is simple and intuitive, friendly in interface and convenient to operate.

The software is suitable for measuring the working characteristics of overhead transmission lines and displaying the plane with the scale of 1: 5000 on line.

Map and 1: 500 scale profile, and provide data and graphics editing functions. Draw a plane section

With the result table of corner pile, you can switch between drawing and straight line, and find and deal with measurement and drawing in time.

Problems in drawing process, generate plane section model, and provide integration of design data and drawing.

5, cross-sectional measurement software

The software has simple operation, friendly interface and complete functions, and can be used for JX 4 digital photogrammetry.

Surveying and mapping of longitudinal and transverse sections of subgrade on the station.

Its main functions are as follows:

1). According to the line curve elements, accurately generate the line plan line and cross-sectional direction.

2). Line and battlefield longitudinal and transverse section measurement

3) Longitudinal and cross-sectional survey of bridges and tunnels

4). Record the collected data and draw a chart according to a certain format.

trait

1. High accuracy

The sub-pixel observation platform ensures that the vector map can achieve high accuracy; Three-dimensional editing with tin

Generate feature lines and feature points, so that DEM has high accuracy and good contour shape; Due to the high accuracy of DEM

In addition, orthorectification is solved by strict formula, which makes DOM achieve high quality.

2.JX-4C adopts 1024*768 high-resolution 24-bit professional color stereoscopic graphic image roaming card with dual

When the system processes stereoscopic images, the screen display makes the stereoscopic images clear and stable.

The advantages of accuracy.

3.JX-4C adopts hardware roaming, parallel data transmission, fast transmission rate, fast roaming speed and image.

Roaming is very smooth.

4.JX-4C can achieve high accuracy when measuring large-scale vector diagrams, which conforms to large-scale specifications.

Requirements.

5. The data formats used in the system are all open and international.

superiority

1.JX-4C workstation has a special C-type stereo graphic image color roaming card on hardware, which

Roam. Parallel data transmission, fast transmission speed, stable display image and no jitter when roaming.

Roaming speed is fast.

2. Dual-screen display (two 19-inch flat-panel color displays), with graphics and stereoscopic display on two different screens respectively.

On the display, the visual field is enlarged, the stereoscopic effect is strong, the image is clear and stable, and it is convenient for stereoscopic display.

Interpretation.

3. Besides JX-4C digital photogrammetry workstation, it has super compatibility in receiving remote sensing data.

In addition to conventional aerial image processing, it can also receive IKONOS, SPOT5 and QUICK images.

Satellite and radar images such as BIRD, ADEOS, RADARSAT and Jiansan can be obtained through the above data.

Take DEM, DOM and DLG results as examples.

4. Using Tin to generate orthophoto map, the problem of urban orthophoto map with 1: 1000 and 1: 2000 scales is solved.

Due to the poor projection caused by high-rise buildings and viaducts, large-scale orthographic images are completely heavy.

Close to, more accurately describe the shape of roads and other ground objects, without deformation.

5. Using Tin software, we can realize model orientation parameter management, image correlation, DEM production and DOM generation.

Production, DLG production and drawing have all changed from the operation mode of single image to area-oriented, that is, more.

Image pair, multi-path operation mode, and then splicing the region into a whole through the merging function of vector and Tin.

Survey area, improve work efficiency and ensure the accuracy of DEM, DOM and DLG.

6.JX-4C workstation has raster map revision software, which solves the problem that the State Bureau of Surveying and Mapping has occupied 1: 1 0,000 land for many years.

Map revision saves 1/3 workload.

7. Yes 1: 500, 1: 1000, 1: 2000, 1: 5000, 1: 0000,.

The scale symbol library (national code symbol library) is convenient to use in surveying and mapping.

8. There is secondary geodesic software, which has solved the problem that the State Bureau of Surveying and Mapping has long controlled the field work before mapping in the office.

Problems, so that the field and the office can work at the same time, improve work efficiency and ensure the accuracy of surveying and mapping.

Degree.