[OSRS-PROJ] why

[Zhang Guo]

Hi,

	yes 

thanks 

======= 2004-01-15 09:28:00 您在来信中写道：=======

>I can't comment on what's happening inside the program but I notice your
>test point is very far away from your projection origin. Perhaps you're
>specifiying longitude & latitude in reverse order? (proj likes to have lon
>lat, not lat lon.) Your projection origin is approx 39N, 8W but your test
>point is 40E, 10S. Perhaps you mean to have 40N, 10W.
>
>I get this with proj:
>-10 40
>40464.07        338683.60
>
>then this with proj -I:
>40464.07        338683.60
>10dW    40dN
>
>John Smart
>
>
>----- Original Message -----
>From: "Zhang Guo" <guozhangchina at 21cn.com>
>To: <osrs-proj at remotesensing.org>
>Sent: Thursday, January 15, 2004 8:00 AM
>Subject: [OSRS-PROJ] why
>
>
>> Hi,osrs-proj
>>
>> why ?
>>
>>
>>  <20790> +proj=tmerc +lat_0=39.66666666666666 +lon_0=-8.131906111111112
>+k=1.000000 +x_0=200000 +y_0=300000 +ellps=intl +pm=lisbon +units=m
>>
>> i
>> use proj    +proj=tmerc +lat_0=39.66666666666666 +lon_0=-8.131906111111112
>+k=1.000000 +x_0=200000 +y_0=300000 +ellps=intl +pm=lisbon +units=m
>>
>> 40 -10
>> 6173267.02      -5732158.03
>>
>> then
>>
>> proj -I  +proj=tmerc +lat_0=39.66666666666666 +lon_0=-8.131906111111112
>+k=1.000000 +x_0=200000 +y_0=300000 +ellps=intl +pm=lisbon +units=m
>>
>> the result is :
>>
>>
>> 6173267.02 -5732158.03
>> 39d44'58.08"E   10d5'12.587"S
>>
>>
>>
>>
>>
>>
>>
>>
>> Best regards,
>> Zhang Guo
>> School of Information Engineering in Remote Sensing,
>> Wuhan University,
>> #129 Luoyu road, Wuhan,
>> P.R.China
>> Mobile: +86-27-62086580
>> Office: +86-27-87871114
>> Email:guozhangchina at 21cn.com
>>       guozhangchina at sina.com
>>       zhangguo_wtusm at 163.com
>> 　　　　　　　　　　2004-01-15
>>
>>
>> ----------------------------------------
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>> and other information.
>>
>
>----------------------------------------
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= = = = = = = = = = = = = = = = = = = =
				

Best regards,
Zhang Guo
School of Information Engineering in Remote Sensing, 
Wuhan University, 
#129 Luoyu road, Wuhan, 
P.R.China 
Mobile: +86-27-62086580
Office: +86-27-87871114
Email:guozhangchina at 21cn.com
      guozhangchina at sina.com
      zhangguo_wtusm at 163.com
　　　　　　　　　　2004-01-15



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