vis5d-users Mailing List for Vis5d+

writes: 

> Hello all, 
> 
> I am in the process of installing full tcl support for vis5d+. I was trying to follow instructions in  
> 
> http://www.ssec.wisc.edu/~billh/script52.html 
> 
> My Makefile (for vis5d+ 1.2.1) seems to be different. I Couldn't find following lines of text, where I have to specify location of tcl.h and libtcl.a files. 
> 
> #TCL_INCLUDE 
> #TCL_LIB  
> 
> I guess most of you must have done this already, I appeciate any suggestions... 
> 
> 
> thanks 
> 
> 
> dino 
> 
> 

Dino, 

The configure script in 1.2.1 should find and include the tcl lib and 
include files automatically when you run it.  It will define HAVE_LIBTCL in 
the toplevel config.h if it was found.  In other words full tcl support is 
included when you run configure as long as the configure script could find 
tcl/tk.   If you installed tcl/tk only after installing vis5d+.  Just 
reinstall vis5d+. 

Jim 

Hello all,

I am in the process of installing full tcl support for vis5d+. I was trying to follow instructions in 

http://www.ssec.wisc.edu/~billh/script52.html

My Makefile (for vis5d+ 1.2.1) seems to be different. I Couldn't find following lines of text, where I have to specify location of tcl.h and libtcl.a files.

#TCL_INCLUDE 
#TCL_LIB 

I guess most of you must have done this already, I appeciate any suggestions...


thanks


dino

On Wed, 27 Nov 2002, Bill Hibbard wrote:

> Hi Lutz,
> 
> > I intend to use DWD (German Weather Service) grib data (181x129, EM).
> > Running (standard) grib5d I get the error message "number of rows
> > outside range 2-150 nrows 181". What should be modified?
> > Many thanks for cooperation.
> > Lutz Lesch
> 
> I am not familiar with grib5d. It sounds like either:
> 1. A version of Vis5D designed for GRIB files, or
> 2. A program for converting GRIB files to .v5d files.
> In either case, please try to locate the author of
> grib5d who should be able to answer your question.
> There are also row limits in Vis5D, which can be
> changed in its src/v5d.h file and recompiling.
> 

Lutz,
	If you are meaning grib2v5d (see grib2v5d.sf.net), then Bill's
suggestion should be correct, since it uses object files from vis5d (or
vis5d+ library), so: recompile vis5d and then grib2v5d.
	best wishes, Davide

-- 
__________________________________________________________
Davide Cesari	Servizio Meteorologico Regionale-ARPA __
 tel       (39) 051/6497531                           ||\
 fax       (39) 051/6497501                           |||\
 e-mail    dc...@sm...                    |||/
 www       http://www.arpa.emr.it/smr                 ---
 Address:  ARPA-SMR, Viale Silvani 6, 40122 Bologna, Italy
__________________________________________________________

Hi Lutz,

> I intend to use DWD (German Weather Service) grib data (181x129, EM).
> Running (standard) grib5d I get the error message "number of rows
> outside range 2-150 nrows 181". What should be modified?
> Many thanks for cooperation.
> Lutz Lesch

I am not familiar with grib5d. It sounds like either:
1. A version of Vis5D designed for GRIB files, or
2. A program for converting GRIB files to .v5d files.
In either case, please try to locate the author of
grib5d who should be able to answer your question.
There are also row limits in Vis5D, which can be
changed in its src/v5d.h file and recompiling.

Good luck,
Bill

Hi,

I intend to use DWD (German Weather Service) grib data (181x129, EM). 
Running (standard) grib5d I get the error message "number of rows
outside range 2-150 nrows 181". What should be modified?
Many thanks for cooperation.
Lutz Lesch

-- 
Lutz Lesch,      Free University of Berlin,   Institute of Meteorology
Section of Remote Sensing       Visit http://wwwsat40.met.fu-berlin.de  
Carl-Heinrich-Becker-Weg 6-10,      D-12165 Berlin (Steglitz), Germany
e-mail: le...@ze...                  bf2...@uf...
             Fon:+49-30-838 71181 , Fax:+49-30-838 71160

Hi,

I'm trying to find a met. analysis program for a field experiment

Does anyone have experience with importing plain ol' tabular text data into Vis5d?
(i.e. a station lat/lon, temp, dwpt etc).

My stations are on a scale where gempak won't work (I need hundreths of a degree resolution) and i was thinking about using Vis5d.

All the conversion programs I have found seem to start with gridded data in a binary format: hdf, netCDF, grib, etc.  None seem to start with the raw data.

Thanks, 
Mark
___________________________________________
Mark Conder
Research Assistant - Atmospheric Science Group
Texas Tech University

Hi Abbas,

> We have been trying to convert a set of 3-D Geophyics data to the Vis5D
> format.  The data consists of very large observations (~ 10 million).  Each
> observation has x, y, z, and amplitude values.  The compiled version of the
> Vis5D program that we currently using has a dimension limits of about 300
> for each axis values.  Does the program allows this large volume of data?
> We appreciate any advice from any one who run into such problem.

Your data must be organized in a regular grid to use
Vis5D - it cannot handle data with random (x, y, z)
locations.

The limits on grid dimensions are defined in the src/v5d.h
file. You can change them and recompile.

You may also need to change the limit MAX_ISO_VERTS in
src/work.c, and run on a machine with a large memory.

Good luck,
Bill

Hi to All

We have been trying to convert a set of 3-D Geophyics data to the Vis5D
format.  The data consists of very large observations (~ 10 million).  Each
observation has x, y, z, and amplitude values.  The compiled version of the
Vis5D program that we currently using has a dimension limits of about 300
for each axis values.  Does the program allows this large volume of data?
We appreciate any advice from any one who run into such problem.

Thank you for your cooperation

--------------------------------------------
Abbas Sami Eyuboglu
Department of Applied Science
University of Arkansas at Little Rock
72204, Little Rock, AR
email:ase...@ua...
Tel:+1 501 569-8349
Fax:+1 501 569-8020
--------------------------------------------

My name is Tashiro. I send this e-mail from Japan.
I have a question.
I made about 3 degree(longitude)=D73 degree(latitude) vis5d data, whose
projection is Lambert and whose data format is IOAPI. When I gave a
graphic representation by use of vis5d, domain from the end of north to
0.5 degree south from the end of north was not expressed, despite of
existence of data. Why the northward of the data was not showed ?

Now I use above small domain, so it=92s inconvenient for me not to be
shown the northward domain.

If you please, tell me something about this.
My e-mail address is h.t...@fi...

Thank you for your cooperation.
Sincerely.

I am not able to install VIS5d+ in Mandrake 9.0. The Configure script 
reports "No 3D graphics library found" although Mesa library is 
properly installed.
Any ideas?

       Thanks

                 Petr

Andrea Ligabue wrote:
> 
> Hi all,
> thanks to Michael highlights I have seen a possibility to modify vis5d in
> a way that will be real good for my stuff.
> 
> I have a time independent vector fields and I want to display the 3D
> trajectories in this field. What I need is to change the code for the
> trajectories taking as input always the same data set. So, peraphs, if I
> want 2000 lenght long trajectories I don't need 2000 data sets but only
> one ... the program will go reading the same data sets 2000 times.
> 
> I try looking in the code, searching for the "traj" word ... but it seems
> to me not so easy to change the code without some help (I suppose there
> will be a function for reading the data that will be invoked point after
> point, changing only the value of the time variable and the coordinates of
> the point we are calculating).
> 
> Someone know if it will be possible to change the program in that way
> (reading always the same data sets in generating the trajecotries) ?

You don't need to change the code.

Just create a .v5d file with the same wind vectors repeated
in just two time steps, and make sure that there is a large
interval between their dates/times. Then, before you make the
trajectories in Vis5D, enter a large number in the "Length"
text box on the trajectory pop-up.

Good luck,
Bill

Hi all,
thanks to Michael highlights I have seen a possibility to modify vis5d in
a way that will be real good for my stuff.

I have a time independent vector fields and I want to display the 3D
trajectories in this field. What I need is to change the code for the
trajectories taking as input always the same data set. So, peraphs, if I
want 2000 lenght long trajectories I don't need 2000 data sets but only
one ... the program will go reading the same data sets 2000 times.

I try looking in the code, searching for the "traj" word ... but it seems
to me not so easy to change the code without some help (I suppose there
will be a function for reading the data that will be invoked point after
point, changing only the value of the time variable and the coordinates of
the point we are calculating).

Someone know if it will be possible to change the program in that way
(reading always the same data sets in generating the trajecotries) ?

thank you anyway for all the help you give me until now
Andrea


----------------------------------------------------------

There's no honorable way to kill, no gentle way to destroy.  
There is nothing good in war.  Except its ending.

 -- Abraham Lincoln, "The Savage Curtain", stardate 5906.5

----------------------------------------------------------

tel +39 059 2055115

I apologize that this has little to do with the vis5d software itself.

Is there anyone out there using vis5d on an SGI Origin 3000 series (Irix
6.5)?

If you are, I'd be most grateful if you could tell me about:
- What sort of graphics solution are you using with your Origin?
- During an animation run in vis5d on the Origin, is the response 
  to rotating objects in vis5d on the Origin immediate and fast?

I'm seeking independent opinions because I'm evaluating if we can do
away with (e.g. sell) our (very expensive) InfiniteReality3 engine on
our Onyx 3000.  The most "intense" graphics application we currently use
on it is vis5d and potentially some other GIS applications.  No realtime
stuff, nor texture mapping etc etc.

Thanks for any tips or pointers.  (I wasn't able to conclude anything
from the SGI docs.)

-Kek C
Physical Oceanography
Singapore

Bill Hibbard wrote:
> 
> Mohar Chattopadhyay wrote:
> >
> > I am a new vis5d user. I use it to visualise MM5 output data. I have
> > successfully installed the linux version of vis5d and can also convert
> > the MM5 output files to vis5d format.
> >
> > However, there is one problem. Although I have model levels starting at
> > 8m, Vis5d assumes the surface as 836m for some unknown reason. This
> > creats a problem when I try to plot skew-T. I cannot see tempearture
> > profile of the first few levels at all. Also, when I start vis5d and
> > plot any variable, e.g., horizontal wind, it always starts at 836m
> > instead of the lower most level.
> 
> Hmm, this is probably something about the way you are
> creating your .v5d file. If you are using the templates
> in the convert subdirectory, study the information in
> Section 3 of the README file, about vertical coordinate
> systems.
> 
> Alternatively, when Vis5D is running you can click on
> the DISPLAY button, then the FROM "User Input" button,
> then manually set a new vertical coordinate system near
> the bottom of the pop-up. Study the README.
> 
Hi Bill,

Thanks for your reply. I have tried changing the vertical levels
manually using
the User Input option. It works fine with other options besides the
sounding. The
programme crashes with a segmentation fault. Anyway, I will keep
experimenting and
keep studying the README file to find any hint.

Thanks again, Mohar.

Hi Andrea,

At 13.11.02 19:58, you wrote:
>Hello all,
>I'm progressing quite well in using /adapting Vis5d for my
>chemical stuff ... I want to know some things about the possibility to
>understand more / improve what vis5d does generating the hstreams and the
>hwinds ...
>
>1. To generate a stream (trajectories), starting from a grid of values, I
>suppose the program does some kind of integration ... since the stream are
>all in plane, the integrations are 2D (the value of the variable out of
>the plane is keep constant and this variable is not considered) or is a
>full 3D integration (all the 3 variables are put in the intehration
>system) and what is plotted is a projection on the plane ? It si not a
>silly question since the two tecniques gives different results/plot and
>teh first approach, at least for my chemical maps, is not what the reslity
>is.
The theory:
If you have
1. a three dimensional velocity (wind) defined on your entire grid,
2. the horizontal and vertical grid spacing is known
3. the time interval between your time steps in the data set is known,
then you have all information needed to compute the position x1,y1,z1
(for time=t1) of a weightless particle released at position x0,y0,z0 (at 
time=t0),
similiar to a feather in the wind...The trajectory algorithm accounts for the
sub-grid (and sub-timestep) positions along this path.


>2. Which files I have to go to modify to have the possibility to generate
>streamlines with density more than '2' ?
>
>3. Is there a project (someone is coding that) about the possibility to
>have full 3D streamlines in vis5d ?

Streamlines are usually used to visualize static vector fields (or as in vis5d
for snapshots of time dependent vector fields). As you pointed out
vis5d supports only streamlines on 2-D-slices (hstream, vstream).

As a work around  you can create a vis5d data set with the data field
for one time step repeated several times (and define different times
for these copies).
Then you can use the trajectory tool (with 'length' set to the number of
time steps / copies) to display 3-D-streamlines: A streamline is
the same as a particle path in a static flow field.


>4. Since my values for the "wind" cover a quite big range, I need to make
>a sort of non linear normalization to determine the dimension of the
>line/arrows ... which funciotns/piece of code I have to modify

You may want to normalize your data while you create your *.v5d data
file (e.g. in foo2v5d.f).


>5. I spossible to plot in the same figure more than one hwinds plane ?

You can use Hwind1 and Hwind2 with the same velocity data.


>6. Finally, when I enter the tcl script interface I'm not able to exit
>from it ... not digiting 'exit', 'quit', 'bye' ... someone have an idea of
>what could be the problem ?

The interactive tcl interface ('INTERP') should bring up the
shell window. If you type 'exit' in this shell window, the window
will remain in the foreground but get inactive - the gui should
work again.


>thank you all and good work
>Andrea


Best regards and good luck,
Michael Boettinger
_______________________________________________________
Michael Boettinger
Deutsches Klimarechenzentrum
Bundesstrasse 55
20146 Hamburg
Germany
email: boe...@dk...
phone: +49 40 411 73 344
fax: +49 40 411 73 270
http://www.dkrz.de/
_______________________________________________________

Mohar Chattopadhyay wrote:
> 
> I am a new vis5d user. I use it to visualise MM5 output data. I have
> successfully installed the linux version of vis5d and can also convert
> the MM5 output files to vis5d format.
> 
> However, there is one problem. Although I have model levels starting at
> 8m, Vis5d assumes the surface as 836m for some unknown reason. This
> creats a problem when I try to plot skew-T. I cannot see tempearture
> profile of the first few levels at all. Also, when I start vis5d and
> plot any variable, e.g., horizontal wind, it always starts at 836m
> instead of the lower most level.

Hmm, this is probably something about the way you are
creating your .v5d file. If you are using the templates
in the convert subdirectory, study the information in
Section 3 of the README file, about vertical coordinate
systems.

Alternatively, when Vis5D is running you can click on
the DISPLAY button, then the FROM "User Input" button,
then manually set a new vertical coordinate system near
the bottom of the pop-up. Study the README.

Good luck,
Bill

Hello there,

I am a new vis5d user. I use it to visualise MM5 output data. I have
successfully installed the linux version of vis5d and can also convert
the MM5 output files to vis5d format.

However, there is one problem. Although I have model levels starting at
8m, Vis5d assumes the surface as 836m for some unknown reason. This
creats a problem when I try to plot skew-T. I cannot see tempearture
profile of the first few levels at all. Also, when I start vis5d and
plot any variable, e.g., horizontal wind, it always starts at 836m
instead of the lower most level.

I would appreciate any input from your end to view my data normally. 

Thanks very much,

Mohar.
-- 
Mohar Chattopadhyay
Met. Service NZ Ltd.
30, Salamanca Road, Wellington
New Zealand, Ph:+64-4-4700812

Hello all, 
I'm progressing quite well in using /adapting Vis5d for my
chemical stuff ... I want to know some things about the possibility to
understand more / improve what vis5d does generating the hstreams and the
hwinds ...

1. To generate a stream (trajectories), starting from a grid of values, I
suppose the program does some kind of integration ... since the stream are
all in plane, the integrations are 2D (the value of the variable out of
the plane is keep constant and this variable is not considered) or is a
full 3D integration (all the 3 variables are put in the intehration
system) and what is plotted is a projection on the plane ? It si not a
silly question since the two tecniques gives different results/plot and
teh first approach, at least for my chemical maps, is not what the reslity
is.

2. Which files I have to go to modify to have the possibility to generate
streamlines with density more than '2' ?

3. Is there a project (someone is coding that) about the possibility to
have full 3D streamlines in vis5d ?

4. Since my values for the "wind" cover a quite big range, I need to make
a sort of non linear normalization to determine the dimension of the
line/arrows ... which funciotns/piece of code I have to modify

5. I spossible to plot in the same figure more than one hwinds plane ?

6. Finally, when I enter the tcl script interface I'm not able to exit
from it ... not digiting 'exit', 'quit', 'bye' ... someone have an idea of
what could be the problem ?

thank you all and good work
Andrea


----------------------------------------------------------

There's no honorable way to kill, no gentle way to destroy.  
There is nothing good in war.  Except its ending.

 -- Abraham Lincoln, "The Savage Curtain", stardate 5906.5

----------------------------------------------------------

tel +39 059 2055115

>If you unpack:
>
>  ftp://ftp.ssec.wisc.edu/pub/vis5d-5.1/vis5d-5.1.tar.Z
>
> maketopo.m will be in the vis5d-5.1/util directory.

Thanks, I found maketopo.m in vis5d-5.1.tar.z.. And my code I only did one minor change to the c program to get it working for my set of data..


Thanks Bill and Jim for your replies...

Regards

Dino

writes: 

> Hello, 
> 
> I am trying to create a new topography file using provided ..util/maketopo.c program.  But I am missing maketopo.m required to compile this. I searched vis5d homepage/internet but couldn't find this.  
> 
> If I can find out what is the exact format of a .topo file supposed to be, i should be able to modify maketopo.c. 
> 
> I am running vis5d+ 1.2.1 
> 
> 
> Thanks in advance 
> 
> Dino.. 
> 
 

There is no maketopo.m.  I suspect you may not be using gnu make.  Try 'make 
 -v'  to see what version of make you are using.  maketopo.c is not intended 
to be compiled without modification, it is only a template for you to 
modify. 

da...@ic... wrote:
> 
> Hello,
> 
> I am trying to create a new topography file using provided ..util/maketopo.c program.  But I am missing maketopo.m required to compile this. I searched vis5d homepage/internet but couldn't find this.

If you unpack:

  ftp://ftp.ssec.wisc.edu/pub/vis5d-5.1/vis5d-5.1.tar.Z

maketopo.m will be in the vis5d-5.1/util directory.

> If I can find out what is the exact format of a .topo file supposed to be, i should be able to modify maketopo.c.
> 
> I am running vis5d+ 1.2.1
> 
> Thanks in advance
> 
> Dino..

-- 
----------------------------------------------------------
Bill Hibbard, SSEC, 1225 W. Dayton St., Madison, WI  53706
hi...@fa...  608-263-4427  fax: 608-263-6738
http://www.ssec.wisc.edu/~billh/vis.html

Hello,

I am trying to create a new topography file using provided ..util/maketopo.c program.  But I am missing maketopo.m required to compile this. I searched vis5d homepage/internet but couldn't find this. 

If I can find out what is the exact format of a .topo file supposed to be, i should be able to modify maketopo.c.

I am running vis5d+ 1.2.1


Thanks in advance

Dino..

Nicolas Schneider wrote:
> 
> Hi all
> 
> I have two (hopefully) simple questions:
> 
> 1) I am displaying the results from my NWP model with Vis5D. In order to
> get a clear and easy to understand figure, I would like to change the
> color scheme of the underlying topography. At the moment, I always get a
> green to redish colored topography. However, I would prefer to have the
> topography in a grayscale color palette.

Click the right mouse button on the TOPO GUI button,
and a color table editor will pop up. Redraw the red,
green and blue curves with the left, center and right
mouse buttons.

> 2) The fields from my NWP are up to 9 km high. Some of the features I am
> interested in are however only visible in the lowest 2 km of the
> atmosphere. How can I cut off let's say the uppermost 7 km and use only
> the lowest 2 km. If I "stretch" the z-coordinate, still the whole range
> from 0 to 9 km is displayed. Is there any other possibility to get a
> better focus on shallow atmospheric processes.

Click on the "Clipping" radio button, then click with
the right mouse button to drag the (purple) top clipping
plane down.

Study the README fiel to learn about these and other
features.

Bill

Hi all

I have two (hopefully) simple questions:

1) I am displaying the results from my NWP model with Vis5D. In order to 
get a clear and easy to understand figure, I would like to change the 
color scheme of the underlying topography. At the moment, I always get a 
green to redish colored topography. However, I would prefer to have the 
topography in a grayscale color palette.

2) The fields from my NWP are up to 9 km high. Some of the features I am 
interested in are however only visible in the lowest 2 km of the 
atmosphere. How can I cut off let's say the uppermost 7 km and use only 
the lowest 2 km. If I "stretch" the z-coordinate, still the whole range 
from 0 to 9 km is displayed. Is there any other possibility to get a 
better focus on shallow atmospheric processes.

Thanks for any help,

Nicolas

-- 
_____________________________________________________________

Nicolas Schneider, PhD Student
University of Bern
Institute of Geography
Climatology & Meteorology
Hallerstrasse 12
CH-3012 Bern

phone +41-31-631-8542
fax   +41-31-631-8511
email sc...@gi...

Andrea Ligabue wrote:
> 
> Thank you anyone has answerd me the last ... OK, what I need was to
> introduce the time variable.
> 
> Now I have two question about what vis5d really display ... I'm not
> working on meterological data set and so I need some help to understand
> what the program does to give an interpretation of my plots.
> 
> When I ask vis5d to plot hstream (or vstream), what kind of integration
> does it makes and what dose it displays ? I got a planar rapresentation of
> my streamlines but it is the projection of a 3D integration or it is
> simply a 2D integration in the plane I'm plotting ?

The 3-D wind vectors are projected into the plane of the
Hstream or Vstream, and then the streamlines are tangent
to the projected vector field.

> Second, if I create 3-4 sets of data at different times step but that are
> exactly the same (I simply rewrite the same data set changing only the
> value of the time variable) what does the HWind wnd Vwind means ?

Hwind, Vwind, Hstream and Vstream for each time step are
generated from the wind vectors for that time step (only
the trajectories involve integrating and interpolating
across time steps). If your winds are constant over time,
then your Hwind etc graphics will be constant over time.

> What is wind (wich kind of operation does the program ... integration over
> time) ? (in that case I was expecting to get nothing ... a all 0 vectors
> field ... for my test but it's not true)
> 
> Third ... if I need to go over the limit of 100x100x21 dimension of the
> grid which files I have to update ?

In Vis5D, you can change these sizes by modifying MAXVARS,
MAXTIMES, MAXROWS, MAXCOLUMNS and MAXLEVELS in src/v5d.h
and recompiling. I'm not sure in Vis5d+, perhaps the same
change works.
 
> Finally ... if I want to include in a publication graphs made with vis5d+,
> which reference I have to put ?

I'll leave it to the Vis5d+ folks what reference they want,
but we would appreciate the following for Vis5D (which is
the basis for Vis5d+):

  Hibbard, W., and D. Santek, 1990. The Vis5D system for
  easy interactive visualization, Proc. IEEE Visualization
  '90, 129-134.

Cheers,
Bill
----------------------------------------------------------
Bill Hibbard, SSEC, 1225 W. Dayton St., Madison, WI  53706
hi...@fa...  608-263-4427  fax: 608-263-6738
http://www.ssec.wisc.edu/~billh/vis.html