1. PHOTOMOD. Additional utilities Dmitry Kochergin Technical support department Yucatan. Mexico. October 2015 From Imagery to Map: Digital Photogrammetric Technologies 15 th International Scientific and Technical Conference From Imagery to Map: Digital Photogrammetric Technologies

2. Calculation of Gauss-Kruger projection parameters Calculation of coordinate system transformation parameters (“seven parameters”) Estimation of accuracy ”on the ground” from on-board exterior orientation parameters Calculation of grid step (DTM) for contour lines and orthomosaics of selected accuracy Calculation of intersection angles and overlaps for the aerial survey (basically UAS) Coordinate values recalculation between coordinate systems (PHOTOMOD GeoCalculator) Calculation of the aerial survey productivity Additional utilities

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4. Calculation of Gauss-Kruger projection parameters Lat, Lon X, Y Krasovsky ellipsoid Central meridian longitude False easting False northing Usually Local Coordinate System

5. Calculation of Gauss-Kruger projection parameters

6. Calculation of coordinate system transformation parameters (“seven parameters”)

7. Transformation parameters Scale factor X - offset Y - offset Z - offset Rotation around X-axis Rotation around Y-axis Rotation around Z-axis

8. Calculation of User-defined coordinate system parameters

9. Direct Georeferencing (“Adjustment” by on-board EO parameters) Estimation of stereomeasurements accuracy by the accuracy of on-board exterior orientation parameters Exterior orientation parametersDirect photogrammetric resection

10. Camera parameters Survey parameters Точность бортовых ЭВО Stereomeasurements accuracy Direct Georeferencing

11. Calculation of grid step (DTM) for contour lines and orthomosaics of selected accuracy

13. Calculation of intersection angles and overlaps for the aerial survey (basically UAS)

14. Aerial survey productivity

15. Additional utilities Thank you for attention !