Re: Running Village4-1 under Swarm 1.0.5

[Pietro Terna]

        Dear Matthias,

        your 'thinking over' is absolutely correct! Now we have to find the bug!

        Pietro

At 20.12 19/01/98 -0700, you wrote:
>On Mon, 19 Jan 1998, Pietro Terna wrote:
>hello paul and pietro,
>
>last friday i had the same problem when continuing on my application.
>at the first moment i thought "sure You can only use it on a square
>display", but thinking it over, I would say, that it really shouldn't
>matter if it's a square or not.
>the x and the y direction are to be multiplied by the same (zoom-)factor,
>so what?
>there ain't no proportions changing, are they?
>proportions are only changing if You multiply by different zoomfactors
>(which is not the case,  but shouldn't be no problem either).
>So, is there a little bug in the ZoomRaster code?
>
>(what I got was that with only slightly differing xSize, ySize of the
>display it worked, but with the difference getting bigger, it didn't).
>
>until now I only took a short glance at it, because i don't have so much
>time. so, does anybody have an idea?
>
>answers are very welcome and ... happy swarming (I think it's a real
>                                                           nice one!)
>matthias 
>
>
>> Dear Paul,
>> 
>>      I've experimented a similar error; my opinion is that this is a
>> consequence of the fact that zoom operate only if the display is a
>> square one, due to the fact that it simply multiply any pixel for a
>> fixed coefficient in the x and y direction. Only if the display is a
>> square one, proportions keep unchanged.
>> 
>>      Pietro
>> 
>> Paul Johnson wrote:
>> >.... 
>> > Now, when I run vila4, the program seems to run (well, I don't know
>> > what it is supposed to look like, but I think it runs) only when the
>> > zoom factor is set to 1.  If I set it to any other value, it crashes,
>> > dumps core, and says this:
>> > 
>> > *** event raised for error: WindowUsage
>> > nonsquare zoom given.
>> > *** execution terminating due to error
>> > Aborted (core dumped)
>> > 
>> > This happens if the zoom is set at 4, or any number but 1, AFAIK.
>> > 
>> > Paul Johnson
>
>
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