<div dir="ltr"><div><div>I just installed Grass 6.4.3.RC2 from OSGeo4W (win7 here) and
when I start Grass the Layer Manager opens but the GIS Map Display does
not show up.<br><br></div><div>In the command console I see the folowing message:<br>
<br>-------------------------------<br>Traceback (most recent call last):<br> File "C:\OSGeo4W\apps\grass\grass-6.4.3RC2\etc\wxpython\ma<br>pdisp\mapwindow.py", line 425, in OnIdle<br><br>self.UpdateMap(render = True)<br>
File "C:\OSGeo4W\apps\grass\grass-6.4.3RC2\etc\wxpython\ma<br>pdisp\mapwindow.py", line 575, in UpdateMap<br><br>windres = windres)<br> File "C:\OSGeo4W\apps\grass\grass-6.4.3RC2\etc\wxpython\co<br>re\render.py", line 875, in Render<br>
<br>os.environ["GRASS_REGION"] = self.SetRegion(windres)<br> File "C:\OSGeo4W\apps\grass\grass-6.4.3RC2\etc\wxpython\co<br>re\render.py", line 702, in SetRegion<br><br>region = self.AdjustRegion()<br>
File "C:\OSGeo4W\apps\grass\grass-6.4.3RC2\etc\wxpython\co<br>re\render.py", line 488, in AdjustRegion<br><br>self.region["nsres"] = mapheight / self.height<br>ZeroDivisionError<br>:<br>float division by zero<br>
---------------------------------------------<br></div><div>If I open a new display it works and I can load image used to create the location.<br><br></div><div>I've deleted and re-created the location several times but nothing changed.<br>
</div><div><br></div><div>I've seen some bug reports about this error but did not manage to find a solution<br></div><div><br></div>Here is the output of g.region -p<br>-----------------------------------------------<br>
projection: 1 (UTM)<br>zone: -23<br>datum: wgs84<br>ellipsoid: wgs84<br>north: 7548415.00000001<br>south: 7338385<br>west: 384884.99999999<br>east: 623415<br>nsres: 30<br>ewres: 30<br>
rows: 7001<br>cols: 7951<br>cells: 55664951<br>----------------------------------------------------<br><br></div>Cheers</div>