[GRASS-dev] NVIZ now broken?

[Markus Neteler]

Hi Bob,

great job! I could see the error now and identify it!

The tcl error is:

Index: panel_site.tcl
===================================================================
RCS file: /grassrepository/grass6/visualization/nviz/scripts/panel_site.tcl,v
retrieving revision 2.6
diff -u -r2.6 panel_site.tcl
--- panel_site.tcl      13 Nov 2006 16:33:33 -0000      2.6
+++ panel_site.tcl      16 Nov 2006 17:05:59 -0000
@@ -125,7 +125,7 @@
                -command "change_color site $row1.color"]
     bind $ptcolor <Expose> "$row1.color configure -bg \[get_curr_sv_color site\]"

-    set markertype [ComboBox $row1.marker -label "  marker type " -width 8 \
+    set markertype [ComboBox $row1.marker  -width 8 \
        -textvariable Nv_(siteshape) -modifycmd change_marker \
        -values {"x" "sphere" "diamond" "cube" "box" "gyro" "aster" "histogram"}]

-label doesn't work here.

Whan I use your proposed changes and above fix, I see NVIZ again...

I'll leave it to you/Michael to submit changes.

Thanks,
Markus

On Thu, Nov 16, 2006 at 12:29:59PM -0400, Bob Covill wrote:
> Hello,
> 
> I have been looking into why nviz fails when loading a volume from the
> command line (i.e. nviz vol=precip3d.500z50). This is the bug reported
> in 
> http://intevation.de/rt/webrt?serial_num=4725
> 
> It appears that the volume drawmode is not initialized which causes the
> GUI to hang when loading the volume panel. The attached patch for
> map_obj.c in nviz/src should fix this. 
> 
> --
> Bob
> 

> --- map_obj.c	2006-11-16 12:22:16.000000000 -0400
> +++ map_obj.c_bak	2006-11-16 12:21:56.000000000 -0400
> @@ -437,6 +437,7 @@
>      char const_string[] = "constant";
>      char zero_string[] = "0";
>      int new_id;
> +    int mode;
>      int *surf_list, num_surfs, i;
>      Nv_clientData *new_data;
>      int file_used = 0;
> @@ -560,6 +561,7 @@
>          return (TCL_ERROR);
>      }
>      new_id = GVL_new_vol();
> +    mode = 0;
>  
>      /* See if there is a default file name specified */
>      if ((argc >= 3) && (strncmp(argv[2], "name=", 5))) {
> @@ -570,6 +572,9 @@
>              return (TCL_ERROR);
>  		}
>  		file_used = 1;
> +            mode |= DM_GOURAUD;
> +	    GVL_isosurf_set_drawmode(new_id, mode);
> +            GVL_slice_set_drawmode(new_id, mode);
>      }
>  
>      sprintf(id, "Nvol%d", new_id);

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-- 
Markus Neteler  <neteler itc it>  http://mpa.itc.it/markus/
ITC-irst -  Centro per la Ricerca Scientifica e Tecnologica
MPBA - Predictive Models for Biol. & Environ. Data Analysis
Via Sommarive, 18        -       38050 Povo (Trento), Italy