[GRASS-user] Re:

GRASS GRASS user
1

Ah,Thanks Peter,but I am not familiar with the script without the grass…

2009/6/19 “Peter Löwe” <peter.loewe@gmx.net>

Maven,

using v.out.ogr for KML export will NOT transform your vector in geographic coordinates [required by GoogleEarth]. You are creating a KML-file of UTM coordinates instead.

This script includes the necessary transformation step:
http://grasslab.gisix.com/scripts/v.out.kml/

Best,
Peter

Message: 7
Date: Fri, 19 Jun 2009 10:40:20 +0800
From: maven apache <apachemaven0@gmail.com>
Subject: [GRASS-user] v.out.ogr to KML ERROR 1: Latitude is invalide
To: grass-user@lists.osgeo.org
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<b6ae15040906181940u733d7369tb267be73d167856d@mail.gmail.com>
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This is a vector layer transfered from a raster and its general info can be
seen as follows:
±---------------------------------------------------------------------------+
| Layer: swi_0@PERMANENT

| Mapset: PERMANENT

| Location: newlocation

| Database: D:/GrassDataBase

| Title:

| Map scale: 1:1

| Map format: native

| Name of creator: Administrator

| Organization:

| Source date: Thu Jun 18 20:51:48 2009

|----------------------------------------------------------------------------
| Type of Map: vector (level: 2)

|

| Number of points: 0 Number of areas: 88

| Number of lines: 0 Number of islands: 79

| Number of boundaries: 229 Number of faces: 0

| Number of centroids: 84 Number of kernels: 0

|

| Map is 3D: 0

| Number of dblinks: 1

|

| Projection: Universe Transverse Mercator (zone 0)

| N: 2762370.84493965 S: 2668889.78644383

| E: 636604.74247833 W: 592287.35339113

|

| Digitization threshold: 0

| Comments:

|

±---------------------------------------------------------------------------+
then I want to export it to kml and add it to the google earth, I use the
commond:
g.region vect=swi_blue@PERMANENT
v.out.ogr input=swi_blue@PERMANENT type=area dsn=d:/blueNew.kml layer=1
format=KML
and I got the errors:

arning 1: Layer name ‘swi_blue@PERMANENT’ adjusted to ‘swi_blue_PERMANENT’
for XML validity.

Exporting 4893 areas (may take some time) …
ERROR 1: Latitude 2764980.037140 is invalid. Valid range is [-90,90]. This
warning will not be issued any more
Warning 1: Longitude 638073.992861 has been modified to fit into range
[-180,180]. This warning will not be issued any more

9259 features written

4476 features without category written

it seems that there is something wrong with the Coordinate,but Latitude
2764980.037140 is the same with the general info from the command
v.infomap=‘’‘’‘’.
I wonder it is my problem or the grass?
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–
Dr. Peter Löwe

<peter.loewe@gmx.de>

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