On Dec 31, 2008, at 6:30 AM, GRASS GIS wrote:
#31: NVIZ issues in GRASS6.x
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Reporter: clerici | Owner: [email protected]
Type: defect | Status: new
Priority: major | Milestone: 6.4.0
Component: NVIZ | Version: svn-develbranch6
Resolution: | Keywords: nviz
Platform: Unspecified | Cpu: Unspecified
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Changes (by marisn):
* version: 6.2.3 => svn-develbranch6
Comment:
Seems like minor issues are fixed. Left over issues are complex ones
and
may be related to C bugs or improper C/TCL interaction. [[BR]]
Steps to reproduce 5:
nviz elevation=elevation....@permanent [[BR]]
Add new raster surface as constant ("New constant"->enter value 3000),
uncheck "use as color"[[BR]]
Click "DRAW CURRENT" -> new gray surface is displayed on top of
elevation.dem surface (OK)[[BR]]
Change new constant surface transparency, set it to constant (i.e.
30)[[BR]]
Click "DRAW CURRENT" once -> new surface gets transparent (OK)[[BR]]
Click "DRAW CURRENT" for second time -> new surface is not transparent
anymore (BUG)[[BR]]
Click "CLEAR" and then "DRAW" -> new surface is displayed below
elevation.dem (BUG)[[BR]]
Click "CLEAR" and then "DRAW CURRENT" -> only new raster surface is
displayed. elevation.dem is missing (WTF?)[[BR]]
Change view and then click "DRAW CURRENT" -> new surface is
transparent
and on top of elevation.dem(OK)
--
The DRAW CURRENT button calls "Nsurf_draw_one". I think this is a call
to the C part of NVIZ. I wish there was some kind of description of
which commands are actually useable and what their syntax is.
Michael
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