[GRASSLIST:7720] Re: v.in.ascii

[David Kindem]

Ian,

As you suspected, I was trying to insert lat-long sites into a meter- 
based location.  I'm still pretty new at this, and have quite a bit  
to learn.

Thanks for pointing me in the right direction.

Dave

On Jul 25, 2005, at 1:18 AM, Ian MacMillan wrote:

> Dave I am not sure if this helps, but here are my thoughts.  I hate  
> to say this but "command not found" sounds like a typo error to me  
> (that is what I tend to get a lot anyway).  Check that you spelled  
> everything correctly.
>
> Also, did you use v.in.ascii in a lat-long location, or in a meter- 
> based location (like UTM)?  after running
>
> g.region vect=your_vect -p
>
> what are the results?
>
> Also, what is the exact error when running d.vect your_vect?
>
> Cheers,
> Ian
>
> On Jul 23, 2005, at 7:23 AM, David Kindem wrote:
>
>
>> I'm still struggling a bit with this.  I have a text file with the  
>> following site information:
>>
>> -85.74792719|42.98678484
>>
>> I use v.in.ascii to generate a vector layer. When I try to display  
>> it in my location, I receive an error ("command not found").
>>
>> If I set use g.region to set the region to match the vector layer,  
>> my point displays.  Using g.where to identify the location, I get:
>>
>> EAST:             NORTH:               LON:               LAT:
>>       -85.76293174        42.98644948       -91.48951223          
>> 0.00038771
>>
>> So it seems that Grass is trying to interpret my decimal degree  
>> locations as northing and easting data.  Does that seem to be the  
>> case?  If so, do I need to include additional parameters in  
>> v.in.ascii to get the software to recognize decimal degrees?
>>
>> Thanks for any suggestions.
>>
>> Dave
>>
>> On Jul 18, 2005, at 2:35 AM, Hamish wrote:
>>
>>
>>> Dave:
>>>
>>>
>>>> I'm attempting to us v.in.ascii to import sites. Things work fine
>>>> when I use Eastings/Northings. However, I would like to import
>>>> points in latitude/longiture. When I attempt to import positions
>>>> such as:
>>>>
>>>> 85:46:05.14203W | 43:00:07.320715N
>>>>
>>>> I receive the error message:
>>>>
>>>> ERROR: x column is not of number type
>>>>
>>>> Is there a way to have the program recognize lat./long as  
>>>> legitimate
>>>> entries?
>>>>
>>>>
>>>
>>> Ian:
>>>
>>>
>>>> Dave (or anyone else),
>>>> I was wondering if you ever found out how to import lat-long  
>>>> data into
>>>> grass? I would like to do the same thing.
>>>>
>>>>
>>>
>>>
>>> As it stands only numerical data can be used for x,y columns.
>>>
>>> It should be possible to change it to try G_scan_easting() and
>>> G_scan_northing() if a coordinate column is of type string, but it
>>> hasn't been done yet.
>>>
>>> You'll have to format the data as +/- DDD.DDDDDDD for now.
>>>
>>>
>>> Hamish
>>>
>

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