Camera type Orientation type (model)

KVR-1000 Panoramic Dynamic

TK-350 Frame

KFA-1000 Frame

MK-4 Frame

Landsat-TM Panoramic Dynamic

Unknown Frame

 

The transформатion parameters include static (frame image) and dynamic parts. All these parameters are determined during exterior orientation. In case of insufficient amount of control points it is possible to determine only static (frame) image parameters.

The following parameters are determined during exterior orientation:

* coordinates of the point of photography;

* 3 angles of shooting;

* 6 dynamic parameters.

 

Select " Orientation" item from " Process" menu. If control points file is present, Exterior orientation window is opened.

The window contains a table of control points. Each point can be included into or excluded from the process of orientation by left-clicking in appropriate " On/Off " cell. To start the process of orientation press " Solve " button. Resulting accuracy (RMS error) of orientation is then displayed in " Accuracy of orientation" field. The column " Rxy " in the control points table shows RMS for each point. After completion of the process of orientation the resulting orientation parameters can be viewed in the Inформатion window using " Info " item from " File " menu or " Project inформатion " button from tools palette. It is also possible to store the orientation accuracy report in a file by pressing button. Before starting the process of orthorectification the active project must be saved for the resulting orientation parameters to be stored in the project file.

 

Трансформирование снимковIDH_Ortho

 

If the accuracy of exterior orientationIDH_ext is acceptable then it is necessary to save the parameters in project file by pressing " Save Project" button.

To start the module of orthorectification with current project select " Rectification (Ortho)" item from " Process" menu. If exterior orientationIDH_ext not solved then module rectify.exe will not start. If project was changed then you will be asked to save project before start of Rectify module.

 

 

The module works with active project. The module window displays the following inформатion:

· source image file name;

· output file name;

· number of columns and rows of output file;

· grid steps in meters along X and Y axes for output file.

 

To start the process of orthorectification press " Start" button. Progress indication window displays elapsed processing time, approximate remaining processing time and percentage of process completion. To interrupt the process press " Cancel" button. If DEM is not specified when starting the process, transформатion will be performed to mean plane with the height specified in the active project with appropriate message displayed in message window.

 

Утилиты

 

Initially Menu “ Utilities ” contains some useful utilities:

" Orthorectification " – predefined tool for rectification

" Import DEM from XYZ file " – predefined tool for DEM import

" Import DEM from line формат " – predefined tool for DEM import

" Import DEM from one Z on line " – predefined tool for DEM import

You can tune this menu. Menu items may be defined in file ‘tools.ini’ in OrthoMap folder.

You must fill two lines for every menu item:

first line – CaptionXXX – text line which will be shown in menu;

second line – ModuleXXX – program, loaded on click,

where XXX – number of menu line, first line has number 000.

If CaptionXXX=- then there will be only line in the menu (see line Caption001)

And Number must be equal to overall quantity of menu lines

 

Example of predefined menu:

[Tools]

Number=5

Caption000=Orthorectification

Module000=rectify.exe

Caption001=-

Module001=-

Caption002=Import DEM from XYZ text file

Module002=Xyz2Bin2.exe

Caption003=Import DEM from line формат

Module003=Line2Bin.exe

Caption004=Import DEM from one Z on line

Module004=Asc2Bin.exe

 

The Coordinate Calculator

 

Coordinate Calculator may be used for calculation of ground control points in needed projection.

 

 

See Coordinate Calculator User’s Guide for detailed description http: //vinek.narod.ru/ccalc.html

 

Reproject Utility

 

Reproject utility is used to reproject orthoimages and DEM from one coordinate system to another. Input and output coordinate systems are specified in the same way as in Coordinate Calculator (see above section). Specify " Input file" and " Output file" through common " Open file" dialog. It is possible to specify required pixel size in meters for output file (by default it is equal to input file pixel size).

 

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