[GRASSLIST:7] Re: New GIS Manager adds transparency to layers

[Junji Takara]

I took screenshot.
http://yambaru.blogsome.com/

But, japanese language only.
sorry.

On Sat, 11 Mar 2006 12:26:22 +0900
Junji Takara <junji at vet.ne.jp> wrote:

> Michael,
> 
> It is splendid work.
> It acts well.
> 
> Debian testing
> grass-6.1.cvs_src_snapshot_2006_03_04.tar.gz
> gism_rc4_20060307.tgz
> 
> On Fri, 10 Mar 2006 13:59:47 -0700
> Michael Barton <michael.barton at asu.edu> wrote:
> 
> > I¹ve just finished phase 2 of the GIS Manager update and
> > it¹s pretty exciting. At first glance, it looks a lot
> > like the one I¹ve been working on and have in the CVS
> > now, but with a couple of important exceptions. One is
> > that transparency is now supported for all GRASS layers.
> > 
> > The second will probably generate the most discussion,
> > so I¹m ready to duck and run for cover.  Now GRASS is
> > consistent with other GIS programs and more intuitive
> > (as much as I am skeptical about that term) in that the
> > uppermost layer in the layer tree is also the top map in
> > the display. Related to this, new layers insert directly
> > above the currently selected layer instead of at the
> > bottom of the layer tree.
> > 
> > The main changes come Œunder the hood¹ of this version
> > of the GIS Manager. It uses g.pnmcomp to composite a
> > set of maps (each rendered as *.PPM files) into a visual
> > display. One of the results is that now GRASS is
> > significantly faster in adding new layers, turning
> > layers on and off, and changing layer attributes‹only
> > the new or changed layer needs to be rendered; the
> > others will just be re-composited into a display from
> > existing PPM files. This all happens in a GRASS .tmp
> > directory, so that it doesn¹t clutter up your home
> > directories. The other important thing about this new
> > architecture is that it makes GRASS even less dependent
> > on the xdriver and PNGdriver for visualization. GRASS
> > can become more easily portable to different OS¹s and
> > GUI frameworks. It is also more scriptable. You can
> > write a script that will create a complete,
> > multilayered map, and output it to a graphics file.
> > 
> > One consequencer of this new architecture is that the
> > GIS Manager does not currently support display output
> > to PNG files. With GDAL (required for many GRASS
> > features) and ghostscript installed, it does support
> > output to PPM/PNM, TIF, JPG, BMP, EPS, and PDF.
> > 
> > Command line usage is still supported  in several
> > ways‹the old xterminal is still there, there is the new
> > command console, and you can add command layers to the
> > layer tree and display them.
> > 
> > You can see a screen shot of semi-transparent soil
> > vector areas overlaying a raster shaded relief map at
> > 
> > http://www.public.asu.edu/~cmbarton/files/grass_screenshots/gism2-2.jpg
> > 
> > I¹ve committed all changes to the CVS. For those of you
> > with binary versions of GRASS who would like to try it,
> > I¹ve posted packages you can use to replace your current
> > GIS Manager on my website. For full functionality, you
> > need a version of grass that is dated 21-February-2006
> > or later. For those of you with a slightly earlier
> > version, I made a second package with all functionality
> > minus transparency. Here are the links.
> > 
> > New GIS Manager files
> > 
> > <http://www.public.asu.edu/~cmbarton/files/grass_gismgr/gism_rc4_20060307.tg
> > z>
> > 
> > New GIS Manager files for people with recent, but pre-21
> > February 2006 binaries.
> > 
> > <http://www.public.asu.edu/~cmbarton/files/grass_gismgr/gism_rc4_20060307pre
> > _02-21.tgz>
> > 
> > Enjoy
> > Michael
> > 
> > ______________________________
> > Michael Barton, Professor of Anthropology
> > School of Human Evolution and Social Change
> > Arizona State University
> > Tempe, AZ  85287-2402
> > USA
> > 
> > voice: 480-965-6262; fax: 480-965-7671
> > www: http://www.public.asu.edu/~cmbarton
> > 
> > 

------------    Junji Takara D.V.M.   -----------
------------ NAHA Veterinary Hospital -----------
junji at vet.ne.jp