[GRASS-dev] [GRASS GIS] #3002: r.tile incorrect overlapping

[GRASS GIS]

#3002: r.tile incorrect overlapping
------------------------+-------------------------
  Reporter:  aardgoose  |      Owner:  grass-dev@…
      Type:  defect     |     Status:  new
  Priority:  normal     |  Milestone:  7.0.4
 Component:  Raster     |    Version:  svn-trunk
Resolution:             |   Keywords:  r.tile
       CPU:  x86-64     |   Platform:  MSWindows 8
------------------------+-------------------------
Changes (by martinl):

 * keywords:   => r.tile
 * component:  Default => Raster


Old description:

> r.tile using an overlap of 1 overlaps adjacent tiles by 2 columns,
> illustrated by the r.info extract below. Resolution is 32m and overlap S
> -N of is 64m.
>

> +----------------------------------------------------------------------------+
>  | Map:      TEXTZ-000-000 at SK               Date: Tue Apr 26 11:52:03
> 2016    |
>  | Title:    Tile 0,0 of SK32M ( TEXTZ-000-000 )
> |
>  | Timestamp: none
> |
> |----------------------------------------------------------------------------|
>  |
> |
>  |   Type of Map:  raster               Number of Categories: 0
> |
>  |   Data Type:    DCELL
> |
>  |   Rows:         100
> |
>  |   Columns:      100
> |
>  |   Total Cells:  10000
> |
>  |        Projection: Transverse Mercator
> |
>  |            N: 390031.98976328    S: 386833.0134357   Res: 31.98976328
> |
>  |            E: 403166.31130064    W: 399968.01705757   Res: 31.98294243
> |
>  |   Range of data:    min = 149.215669047674  max = 373.009547999747
> |
>  |
> |
>  |   Data Source:
> |
>  |    SK32M
> |
>  |
> |
>  |
> |
>  |   Data Description:
> |
>  |    generated by r.tile
> |
>  |
> |
>  |   Comments:
> |
>  |    r.tile --verbose input="SK32M" output="TEXTZ" width=98 height=98
> ove\   |
>  |    rlap=1
> |
>  |
> |
> +----------------------------------------------------------------------------+
>

>
> +----------------------------------------------------------------------------+
>  | Map:      TEXTZ-001-000 at SK               Date: Tue Apr 26 11:52:03
> 2016    |
>  | Title:    Tile 0,1 of SK32M ( TEXTZ-001-000 )
> |
>  | Timestamp: none
> |
> |----------------------------------------------------------------------------|
>  |
> |
>  |   Type of Map:  raster               Number of Categories: 0
> |
>  |   Data Type:    DCELL
> |
>  |   Rows:         100
> |
>  |   Columns:      100
> |
>  |   Total Cells:  10000
> |
>  |        Projection: Transverse Mercator
> |
>  |            N: 386896.99296225    S: 383698.01663468   Res: 31.98976328
> |
>  |            E: 403166.31130064    W: 399968.01705757   Res: 31.98294243
> |
>  |   Range of data:    min = 127.552440611917  max = 409.305838621671
> |
>  |
> |
>  |   Data Source:
> |
>  |    SK32M
> |
>  |
> |
>  |
> |
>  |   Data Description:
> |
>  |    generated by r.tile
> |
>  |
> |
>  |   Comments:
> |
>  |    r.tile --verbose input="SK32M" output="TEXTZ" width=98 height=98
> ove\   |
>  |    rlap=1
> |

New description:

 r.tile using an overlap of 1 overlaps adjacent tiles by 2 columns,
 illustrated by the r.info extract below. Resolution is 32m and overlap S
 -N of is 64m.

 {{{
 +----------------------------------------------------------------------------+
  | Map:      TEXTZ-000-000 at SK               Date: Tue Apr 26 11:52:03 2016
 |
  | Title:    Tile 0,0 of SK32M ( TEXTZ-000-000 )
 |
  | Timestamp: none
 |
 |----------------------------------------------------------------------------|
  |
 |
  |   Type of Map:  raster               Number of Categories: 0
 |
  |   Data Type:    DCELL
 |
  |   Rows:         100
 |
  |   Columns:      100
 |
  |   Total Cells:  10000
 |
  |        Projection: Transverse Mercator
 |
  |            N: 390031.98976328    S: 386833.0134357   Res: 31.98976328
 |
  |            E: 403166.31130064    W: 399968.01705757   Res: 31.98294243
 |
  |   Range of data:    min = 149.215669047674  max = 373.009547999747
 |
  |
 |
  |   Data Source:
 |
  |    SK32M
 |
  |
 |
  |
 |
  |   Data Description:
 |
  |    generated by r.tile
 |
  |
 |
  |   Comments:
 |
  |    r.tile --verbose input="SK32M" output="TEXTZ" width=98 height=98
 ove\   |
  |    rlap=1
 |
  |
 |
 +----------------------------------------------------------------------------+

 +----------------------------------------------------------------------------+
  | Map:      TEXTZ-001-000 at SK               Date: Tue Apr 26 11:52:03 2016
 |
  | Title:    Tile 0,1 of SK32M ( TEXTZ-001-000 )
 |
  | Timestamp: none
 |
 |----------------------------------------------------------------------------|
  |
 |
  |   Type of Map:  raster               Number of Categories: 0
 |
  |   Data Type:    DCELL
 |
  |   Rows:         100
 |
  |   Columns:      100
 |
  |   Total Cells:  10000
 |
  |        Projection: Transverse Mercator
 |
  |            N: 386896.99296225    S: 383698.01663468   Res: 31.98976328
 |
  |            E: 403166.31130064    W: 399968.01705757   Res: 31.98294243
 |
  |   Range of data:    min = 127.552440611917  max = 409.305838621671
 |
  |
 |
  |   Data Source:
 |
  |    SK32M
 |
  |
 |
  |
 |
  |   Data Description:
 |
  |    generated by r.tile
 |
  |
 |
  |   Comments:
 |
  |    r.tile --verbose input="SK32M" output="TEXTZ" width=98 height=98
 ove\   |
  |    rlap=1
 |
 }}}

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Ticket URL: <https://trac.osgeo.org/grass/ticket/3002#comment:1>
GRASS GIS <https://grass.osgeo.org>