My bad, I forgot to use g.region again.<br><br><div class="gmail_quote">2013/1/1 Gökçen Güner <span dir="ltr"><<a href="mailto:gokcenguner@gmail.com" target="_blank">gokcenguner@gmail.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi,<br>I'm using WinGRASS-6.5.svn-r54428-453 on Win7. I want to use i.cluster with 2 bands. Metadata of one of them is here:<br><br><a href="http://r.info" target="_blank">r.info</a> map=band4_2005@PERMANENT                                                 <br>

 +----------------------------------------------------------------------------+<br> | Layer:    band4_2005@PERMANENT           Date: Tue Jan 01 18:30:17 2013    |<br> | Mapset:   PERMANENT                      Login of Creator: murat           |<br>

 | Location: newLocation                                                      |<br> | DataBase: D:\gis\grassWS                                                   |<br> | Title:     ( band4_2005 )                                                  |<br>

 | Timestamp: none                                                            |<br> |----------------------------------------------------------------------------|<br> |                                                                            |<br>

 |   Type of Map:  raster               Number of Categories: 255             |<br> |   Data Type:    CELL                                                       |<br> |   Rows:         7121                                                       |<br>

 |   Columns:      8081                                                       |<br> |   Total Cells:  57544801                                                   |<br> |        Projection: UTM (zone 36)                                           |<br>

 |            N:    4257015    S:    4043385   Res:    30                     |<br> |            E:     844215    W:     601785   Res:    30                     |<br> |   Range of data:    min = 0  max = 255                                     |<br>

 |                                                                            |<br> |   Data Description:                                                        |<br> |    generated by r.in.gdal                                                  |<br>

 |                                                                            |<br> |   Comments:                                                                |<br> |    r.in.gdal input="C:\Users\murat\Dropbox\projedata\qgisWS\grassData\e\   |<br>

 |    tm\L71175034_03420050627_B40.TIF" output="band4_2005"                   |<br> |                                                                            |<br> +----------------------------------------------------------------------------+<br>

(Tue Jan 01 18:44:02 2013) Command finished (0 sec)                             <br><br>The error of i.cluster with different parameters:<br><br>i.cluster group=group2000@PERMANENT subgroup=group2000 sigfile=unsupervised_signature classes=16 sample=4,5 separation=0.5 reportfile=D:\gis\grassData\etm\unsupervised_signature<br>

ERROR: Illegal value(s) of sample intervals (4,5)<br>i.cluster group=group2000@PERMANENT subgroup=group2000 sigfile=unsupervised_signature classes=16 sample=4,5 reportfile=D:\gis\grassData\etm\unsupervised_signature<br>ERROR: Illegal value(s) of sample intervals (4,5)<br>

i.cluster group=group2000@PERMANENT subgroup=group2000 sigfile=unsupervised_signature classes=16 sample=1000, 1000 reportfile=D:\gis\grassData\etm\unsupervised_signature<br>ERROR: Illegal value(s) of sample intervals (1000, 1000)<br>

i.cluster group=group2000@PERMANENT subgroup=group2000 sigfile=unsupervised_signature classes=16 sample=81,71 reportfile=D:\gis\grassData\etm\unsupervised_signature<br>ERROR: Illegal value(s) of sample intervals (81,71)<br>

<br>What should I do?<br><br>Thanks in advance.<br><br>
</blockquote></div><br>