[GRASS-dev] new data set

[Helena Mitasova]

Michael Barton wrote:
> On 12/11/06 5:41 PM, "Helena Mitasova" <hmitaso at unity.ncsu.edu> wrote:
>
>   
>> I did not test it with spearfish, but I can confirm that there is a
>> problem still in 6.3
>> My problem was not the same - icons, colors worked fine, but when I
>> chose x as
>> a symbol all points were displayed under the surface, using other
>> symbols they were
>> draped properly: here is the image of what I tested it with (I sneak
>> preview
>> of the new data set we plan to replace the spearfish with)
>>
>> http://skagit.meas.ncsu.edu/~helena/grasswork/grassprobl/
>> nvizpointbug1.jpg
>> (the black of I change the black squares to x they are all under the
>> surface, even
>> if I make them really big).
>>
>> It would be useful if others tested this with different types of data
>> and sequence
>> of operations - this happened after I deleted and reloaded the data
>> as Maciek has indicated.
>>
>>     
>
> Helena,
>
> I checked the x icon in a current (as of last Friday) version of NVIZ. On my
> system (Mac OSX with x11 version of GRASS), I have the opposite problem from
> you. The x's float above the landscape. I think the problem is that they are
> trying to conform to the landscape rather than be a 3D icon like the rest of
> them. This has been a long-standing problem AFAICT. This is one of the
> reasons I switched the default icon from X to sphere (the other is  that the
> x's are difficult to see). You can see a screenshot of the floating x's at
> <http://www.public.asu.edu/~cmbarton/files/nviz_screenshots/floating_x.jpg>
>
> BTW, the new landscapes look very cool. Where are they from? Switching the
> demo set from Spearfish to someplace else after over 20 years is BIG news
> for GRASS. Is the city of Spearfish protesting? ;-)
>   
There is more info and related links here:
http://wiki.osgeo.org/index.php/Edu_Data_Package_North_Carolina

I am not releasing it yet as I am working with it to find out what is 
the minimum data set
needed to cover the material in the book and tutorials - the amount of
data for this area is huge and we want to keep it easy to handle.
I plan for additional mapsets covering various topics (e.g. terrain data
and analysis from different sources, coastal, urban, etc.) - others will 
be probably able to
create their own using the public data available.

I think that we will have Spearfish around for a while until the new 
data set
gets well tested and established.

If anybody is working on any new tutorials or educational materials 
based on spearfish,
and would rather use the new data set, let me know, I will post what I 
have now.

Helena



> Michael
> __________________________________________
> Michael Barton, Professor of Anthropology
> School of Human Evolution & Social Change
> Center for Social Dynamics and Complexity
> Arizona State University
>
> phone: 480-965-6213
> fax: 480-965-7671
> www: http://www.public.asu.edu/~cmbarton 
>
>   


-- 
Helena Mitasova
Department of Marine, Earth and Atmospheric Sciences
North Carolina State University
1125 Jordan Hall
NCSU Box 8208
Raleigh, NC 27695-8208
http://skagit.meas.ncsu.edu/~helena/

email: hmitaso at unity.ncsu.edu
ph: 919-513-1327 (no voicemail)
fax 919 515-7802