Continuation: TABLE N°
TRIANGULATED STRIPS WITH THE INSTRUMENTAL METHOD
| | Bridging
| |
Survey Flight | Ground control points | T ES ee IE — TT] Adjustment of strips Reached precision
| | |
purpose | | Plotting instruments | Bridging characteristics | :
| |
No | Country | Organization TTT UU ETE T ETT = | = TT p em | = ; m d ———————
; | map scale | | L Biht | | Over: Total | | | Thermical lo erators | Relative | Use | ; Adjustment of| | hse of data Use | Use of | Mean errors
- | | Photo- Camera | ^ 1g | D [SEO Auxiliary| Ground ota | Position of | | Plotting | Preli- | | character- | p d Bridei and | of data | Time No of | A” distortion | | fr wa f | 20 :
total area | Cameras | graphic | calibra- akitude [. Photo | and equip- |character- number | control points | Type | instru- | minary | istics | amie nde | absolute from | required | repe- | B. refraction | Planimetry | Altimetry rom d or | other | Tests :
material tion and scale | strip ments istics for | in the strip | | ments tests | of | working | method | orientation auxiliary | for model | titions | C. film | | auxiliary | electronic | equip- | | x z
| direction | length strips | | | | rooms | shifts | | of models equipments| | shrinkage | | lequipments| computers | ment y :
| | | | | | | |. | i | | |
m | SE t ee ea | ER PN Sn AS A pH Ä m — —— pt m = | erm Ee er
| | | | | | | | | | | | | | |
97 | U.K. Hunting Sur- | |R.C. 5 |film- By visible | |5-9 models Occasion- 13-4 heighted points| Generally A, 7 | Routine ca- Semi-Air-|1shift oc- | Visual relative o- 11% hours |A. Compensa-|Numerical ro- |Numerical ro- |A PR data Still at ex-|
veys Ltd. | | (shrink method. ally APR | jon first overlap 2|premarked| librations|conditio-|casional- |rientation (A. 5 - | ting plates [tation of strips tation of : strips |if available|perimental |
Iresistant|Reached | and-or | lon last, 2 on mid-| at regular ned ly 2 |A. 7). | | las a whole.|as a whole. Ap-| stage |
I base precision Doppler; | idle overlap; 2-3 plan | intervals | | | |Maxim um resi- | | | Least-square |plicationofsea- |
| | 0,002 mm usually | |points on first over- |A. 5 | | | [dual y - parallax 11% hours | | |adjustment or|le correction
| | IR.C. 5 A.| for radial | none | lap 2 plan points on | | | jon 6 setting po-| | | numerical lin-|coefficients and|
| | | distorsion | | last. | | [ints 15 y. Lin-| | lear adjustment| deduction of|
| | | | | | (Sometimes required | |kage effected by| | |between cen- intermediate, | |
| | | | | Ito utilise existing! | | | IZ - readings on| | tres of terminal levels by inter-| | |
| | | | | | |random control | IW illiamson | | 2 widely spaced | | hour À. Corrected groups of plan |polation. | |
| | | | | | IS P. 3 | | | |pass points. (S.P.| | | in riduction control points.|Graphical ad-| | |
| IR.C. 8 | | | | | | | |3) Reseau intro-| | | printer |Linear graphi-|justment with | | |
| | | | | | | | | |duced into dia-| | m adjustment |spline. | |
| | | | | | | | | | | [Positive printer| | between cen- | |
| {Zeiss 6” | | ; | | | | to facilitate se-| IC. By f varia- tres of terminal |
| | | | | | | | | |lection of pass-| | tion groups. |
| | | | | | | | | points | | |
5 |: [tes | i - 2% —1d——— IR 1 ——— _ est | tte —] eae — — M 1 —————— ee] MÀ | S — ]— ——————— — |-— — e Ó—— JM 0— LL a LA
Fairey Air Sur- 12.000 "mode ls! Eagle IX film | | 1 : 30.000 |The APR Horizontal. About|Post-poin-|C. 8 IStereosco- lAircondi- 2 operat. First model is s| APR 18 hours for | |C. By f f» varia- | Adjustment of strip is done | |
vevs Ltd. 5.500 km RC. 5 A! | thas been 5 points every 8-12|ted | pie gridjtioned |2 shifts | [sealed to an ac-| 4-6 models. | tion |by semi — graphic methods | 1:4.000 to 1: 7.500 of flying height
: [used to models Itest. Grid! | |curacy of 1 :6.000 | | ‘Usually a second order curve | in determination of x, y and z co-
|s upply triangula-| | jand levelled to 3 | (for strips up to 15 models. | | ordinates.
Ih eights Vertical. A control| tion. grade minutes | | |
| | | point above and| | | |
| | below every alter-| |
| | nate principal | |
| point with a height | | |
| platform at inter- | | | | |
| | vals 8-12 models, | | | | | | | | |
| | | | | | |
| LEE. | : - - I : | crie remet à Sn re — -— + eT DANN BL | ——— —À] M99 € ote MEHR HH M
28 | U.S.A. Army Map Ser- Precision film 10.000 ft. 56-60 SHORAN | The control is u- C. 5 Stereoscop- Aircondi- 2 shifts |free bridging impirical rela- APR 2 hours per| A. By com -| The horizontal|For vertical|S SHORAN UNIV A C| The control is planned to satisfy na-
^ vice cartogra- 30.000 ft. 53 land HI- sually positioned in C. 8 ic grid test|tioned tive orientation model pensatingladjustment|adjust ment|andHIRAN | Bendix tional standards of map accuracy
Iphie ca- la. g. IRAN: | bands normal to| A. 7 at 2 month| | plates or in/consists of alequation is of for adjust-|G. 15
mera APRonan| the direction in| intervals | First model is | transfor-conformaljsixth degree in ling nadir|
| | | experi- | | which the strips | (approximately | | ming prin-| \transformation|x. The equa- | position
| |mental |were flown. [scaled and level-| | ter |with the equa- [tion for verti-|
| | | | basis |For 1 : 50.000 scale | |led | (tion being se-|cal adjustment |
| | | | (mapping with 20| | | | | |C. By f varia-|cond degree in show the maxi-| |
| | | m contour interval| | | tion Ix. The coeffi-|mum number| | |
| | | | Ithe control bands| | | | | | |cients are de-|of terms. À mi-| | |
| [are usually spaced | | | | termined on|nimum of 3 ho-| | |
(at intervals of 80 | | | | | | [the coor dinates rizontal points| |
|km for horizontal | | | | lof known con-|and 5 vertical| | |
| |control and 40 km | | | | | trol points. |are used. | | |
| for vertical control] | | | | | |
| when the scale of| | | | | | | | | | |
| the photography is| | | | | | | | | | | |
| 1 : 40.000 | | | | | | | |
Re Sa dt NUS | a | —Á— — [| et — - _ iat - "uy — {| - — J un IST —— —É—— RCA RE Re m ii |. ————| ———— | _ = S T NAME ME
Coast and Geo 130 strips R.C. 5 film | By facto-|2 500 ft. | 60 Northen Geodetic met Geodetic C. 5 Grid test Aircondi- | l operat.|free bridging. | | 5 models a A. By com -| IE quations are formuled by | IIBM 650 | | Maximum residual error ' must be less
detic Survey |R.C. 8 ry. Chee-|25.000 ft. |bombsight | station pre-|C. 8 Bridging tioned |pcorrectionto | day | pensating the method of Least Squares | | | than 0,3 mm measured on the ma-
: ked bv the |- radar al- | | marked or|A. 5 (10 models| [compensate] | | plates. [to represent the non linear er- | nuscript.
Bureau of |timeters | lidentified| lon grid | learth curva- | | rors of aerialtriangulation. | |
Standards | | points | | tures | |C. Is minimi-|The horizontal and vertical | |
| | | | | zed by spe- adjustment are performed in |
| | | | | cial han-|separate operations. |
| | | | | | | | | dling 3 | |
|5 strips R.C. 5 | | 18.000 ft. 25 models| Mounta-| 12 Horizontal C. 8 | | | | | 15 triangulation|5 pairs of sui-| | | |x: 14 ft. |+ 6,8 ft.
topographic | | NE-SW | mous | 70 Vertical | | | | | | | [stations tably s spaced, | | | |
Imap 1: 24.000, | | | | | | | | | vertical control | | | | |
| {stations : | | | |
