Difference between revisions of "Task - define field boundaries and fied IDs"

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=== About the GPS Points<br>  ===
 
=== About the GPS Points<br>  ===
  
The coordinate system of the GPS points must be WGS 84. For this purpose the GPS must be previously configured, as shown in this link '''//add article about setting up GPS, like http://www.wikiagro.com/es/Configurar_sistema_referencia_GPS'''<br>
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The following considerations apply:<br>
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*The coordinate system of the GPS points must be WGS 84. For this purpose the GPS must be previously configured, as shown in this link '''//add article about setting up GPS, like http://www.wikiagro.com/es/Configurar_sistema_referencia_GPS'''<br>
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*acceptable file formats include text files with point #, x, y, or file formats downloaded from the GPS. For instance, for Garmin, use the extension .wpt, .plt, or other.<br>
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*Regarding the distribution of the GPS points, it must be in such a way that it allows a fairly even distribution of field corners, as shown in the figures below'''.'''<br>
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<br>
  
 
=== About the fields layout<br> ===
 
=== About the fields layout<br> ===

Revision as of 22:04, 12 October 2009

The first step to request information for your farm is to define your field boundaries and identify each field.

There are five options for this purpose:

Send your existing field boundaries & id in shape file format

If you already have your field boundaries and identification (e.g. field name, number or letter), you may send them to request information for your farm. The following considerations apply:

  • shape files need to be georeferenced. This information is stored in the .prj file that's parte of the shape file. If the .prj is missing, it will be assumed that it's in geographic coordinates.
  • make sure that field identification is included in the shape file data, as shown in the followin figure:

//add arcview screen with fields and id

Draw and identify your fields in GeoAgro GIS

To use this option, it's highly recommended that you carry out the basic GeoAgro GIS course .... to be familiar with the tools.

To draw and identify your fields in GeoAgro GIS you can follow these steps:

  1. Download Geoagro GIS and setup your farm project - see //....
  2. Digitize fields - see //....
  3. Enter field ids- see //....
  4. Export field layer- see //....

you may send the exported layer to  request information for your farm

Send your fields layout (sketch or CAD files) plus GPS coordinates for georeferencing

To locate the fields using this method you will need:

  • GPS points to Georeference the fields
  • Your fields layout in a sketch or CAD file

About the GPS Points

The following considerations apply:

  • The coordinate system of the GPS points must be WGS 84. For this purpose the GPS must be previously configured, as shown in this link //add article about setting up GPS, like http://www.wikiagro.com/es/Configurar_sistema_referencia_GPS
  • acceptable file formats include text files with point #, x, y, or file formats downloaded from the GPS. For instance, for Garmin, use the extension .wpt, .plt, or other.
  • Regarding the distribution of the GPS points, it must be in such a way that it allows a fairly even distribution of field corners, as shown in the figures below.


About the fields layout

layout or CAD file with the fields digitizing To georeference your field you Es importante para dar inicio a cualquier servicio ubicar el campo. Esto se denomina "georreferenciación" del establecimiento para lo cual se requiere de puntos GPS y un croquis del establecimiento. De contar con mensuras o archivos vectoriales (cad, shp) es importante enviarlos para enriquecer el producto final.


En el caso particular de procesamiento de mapas de rindes es necesario ademas del croquis del establecimiento, enviar zipeadas las carpetas de rindes tal cual se copiaron de la tarjeta enviada por el contratista y un resumen de los lotes cosechados con los valores de pesada de rindes.
[editar] Formato de envio clientes puntos GPS y croquis.

El sistema de coordenadas en los que se encuentran los puntos GPS enviados deben ser WGS 84 (para lo cual se debe setear el GPS en dicho sistema previamente).

Ejemplos de como se deberían relevar los puntos GPS de acuerdo a la forma, tamaño y distribucion de los lotes y la manera de enviar la informacion (coordenadas de Puntos relevados y croquis del establecimiento.)


Send a url link with fields defined in Google Maps

//complete

Send a url link with fields defined in Virtual Earth

//complete