rocco
asked on
Plot Axis Algorithm
I am looking for a "good" algorithm that given a
arbitrary data range, will return a "good" data
range and "good" tick intervals?
arbitrary data range, will return a "good" data
range and "good" tick intervals?
Specify "good", "good" and "good".
ASKER CERTIFIED SOLUTION
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Is this "good"?
#define ticks 6
interval(int min, int max){
int i,n,t;
n = max-min;
t = n/ticks;
i = 1;
while( i*10<t ){ i *= 10; }
if( i*5 < t ){ i *= 5; }
if( i*2 < t ){ i *= 2; }
for( t=min-(min%i+i)%i; t < max; t+= i ){
printf("%d ",t);
}
printf("%d ",t);
}
#define ticks 6
interval(int min, int max){
int i,n,t;
n = max-min;
t = n/ticks;
i = 1;
while( i*10<t ){ i *= 10; }
if( i*5 < t ){ i *= 5; }
if( i*2 < t ){ i *= 2; }
for( t=min-(min%i+i)%i; t < max; t+= i ){
printf("%d ",t);
}
printf("%d ",t);
}