PARALLATTICO VARIABILE

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PARALLATTICO VARIABILE

d=l₂-l₁/tgα₂-tgα₁= l₂-l₁/cotg -cotgρ₁= l₂-l₁/p₂-p₁

PARALLATTICO COSTANTE

ρ=90°

se C=0  d=K S

se C≠0  d=C+K S

se C=0  d=K S·sen²ρ= K·S·cos²α

se C≠0  d=C sen + K S·sen²ρ=C·cosα+ K·S·cos²α

SOLUZIONI DI PROBLEMI MEDIANTE CORDINATE CARTESIANE

NOTI

XA YA (AB)

MISUR

AB¯  e tutti angoli

SOLUZIONE

Mα´= Δα´/3

Mα₂= Δα₂/3

Mα₃= Δα₃/3

Mα₄= Δα₄/3

α´=α´_1- Mα´.

β´= β´_1- Mα´.

γ´= γ´_1- Mα´.

(AC)=(AB)+ α´

(CE)= (AC)+ γ´+ γ₂±180

(CD)= (CE) +γ₃

(DF)= (CD) +β₃+β₄±180

AC¯=AB¯/sen sen

BC¯= AB¯/sen sen

CE¯= BC¯/sen sen

BE¯= BC¯/sen sen

CD¯= CE¯/sen sen

ED¯= CE¯/sen sen

EF¯= ED¯/sen sen

DF¯= ED¯/sen sen

NOTI

XA YA XE YE

MISUR

tutti gli angoli

SOLUZIONE

tg (AE)=XE-XA/YE-YA

AE¯=XE-XA/sen(AE)

COMPENSAZIONE ANGOLARE

(AC)*=90°  A* =XA YA AC¯=1000

(AB)*=(AC)*-A₁

(CD)*=(AC)*+C1+C2±180

(CE)=(CD)*+C3

AB¯*=AC¯*/senB1·sen C1

BC¯*= AC¯*/senB1·sen A₁

BD¯*=BC¯*/senD2·senC2

CD¯*=BC¯*/senD2·senC2

DE¯*=CD¯*/senE3·senC3

CE¯*= CD¯*/senE3·senD3

(XC)A*=AC¯·sen(AC)

(YC)A*=AC¯·cos(AC)

(XE)C*=CE¯ sen(CE)

(YE)C*=CE¯ cos(CE)

XE*=XA+(XC)A*+(XE)C*

YE*=YA+(YC)A*+(YE)C*

(AE)*= tg XE*-XA*/YE*-YA*

AE¯*=XE*-XA*/sen(AE)*

δα=(AE)*- (AE)

δl= AE¯/ AE¯*

(AC)=(AC)*-

(AB)=(AB)*-

(CD)=(CD)*-
(CE)=(CE)*-

AC¯=AC¯* l

AB¯=AB¯* l

BC¯=BC¯*· l
BD¯=BD¯*· l
CD¯=CD¯*· l
DE¯=DE¯*· l
CE¯=CE¯*· l