[Shake-dev] shakemap topography

Roviró Pou, Jordi jroviro at igc.cat
Mon Mar 12 07:59:44 UTC 2012


Hello ,
We made two files of topography, one of these has more resolution (sispyr_topo.grd) than the other one (sispyr_m.grd).
The idea to create both files was to try to identify the problem, and we changed the topography to see if the problem was our GRD file but we had the same problem as well as above.

I attach both grdinfo of the two topography files.

Grdinfo sispyr_m.grd

xsismica at nobel grdinfo sispyr_m.grd
sispyr_m.grd: Title: sispyr_m.grd
sispyr_m.grd: Command: xyz2grd -V -R-2.51/3.85/40.83/44.33 -I1m Sispyr_m-8780.xyz -Gsispyr_m.grd
sispyr_m.grd: Remark:
sispyr_m.grd: Gridline node registration used
sispyr_m.grd: Grid file format: nf (# 18) GMT netCDF format (float)  (COARDS-compliant) [DEFAULT]
sispyr_m.grd: x_min: -2.51 x_max: 3.85 x_inc: 0.0166492146597 name: x nx: 383
sispyr_m.grd: y_min: 40.83 y_max: 44.33 y_inc: 0.0166666666667 name: y ny: 211
sispyr_m.grd: z_min: -2569 z_max: 3044 name: z
sispyr_m.grd: scale_factor: 1 add_offset: 0

grdinfo sispyr_topo.grd

xsismica at nobel grdinfo sispyr_topo.grd
sispyr_topo.grd: Title: sispyr_topo.grd
sispyr_topo.grd: Command: xyz2grd -V -R-2.51/3.85/40.83/44.33 -I23c/16c topo_sispyr.txt -Gsispyr_topo.grd
sispyr_topo.grd: Remark:
sispyr_topo.grd: Gridline node registration used
sispyr_topo.grd: Grid file format: nf (# 18) GMT netCDF format (float)  (COARDS-compliant) [DEFAULT]
sispyr_topo.grd: x_min: -2.51 x_max: 3.85 x_inc: 0.00639195979899 name: x nx: 996
sispyr_topo.grd: y_min: 40.83 y_max: 44.33 y_inc: 0.00444162436548 name: y ny: 789
sispyr_topo.grd: z_min: -3.83333325386 z_max: 3223.77783203 name: z
sispyr_topo.grd: scale_factor: 1 add_offset: 0

Thank you.

Best Regards
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