More info on zooming problem

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1 total messages Started by Jay Gowdy Wed, 27 Jan 1993 19:39

#1592

Author: Jay Gowdy
Date: Wed, 27 Jan 1993 19:39

38 lines
1362 bytes

In case you're interested, the two different transformation matrices that erroneously result in the same key in tx_key are:

(class ivTransformer) = 
{ 
 unsigned int ivResource::refcount_ = 0x1; 
 osboolean identity_ = 0x0; 
 float mat00 = 4.096000e-01; 
 float mat01 = 0.000000e+00; 
 float mat10 = 0.000000e+00; 
 float mat11 = 4.096000e-01; 
 float mat20 = 1.359938e+02; 
 float mat21 = 3.403380e+01; 
} 
x = 1152.960
y = 1152.960

and

(class ivTransformer) = 
{ 
 unsigned int ivResource::refcount_ = 0x1; 
 osboolean identity_ = 0x0; 
 float mat00 = 3.276800e-01; 
 float mat01 = 0.000000e+00; 
 float mat10 = 0.000000e+00; 
 float mat11 = 3.276800e-01; 
 float mat20 = 1.832190e+02; 
 float mat21 = 8.125903e+01; 
} 
x = 1152.960
y = 1152.960

Both result in a key value of 8487168, even though they are at different scales.

					Jay

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