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Burning shapefile geometry to raster in PNG format with gdal_rasterize?

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1

0

I was trying to overlay a shapefile to some raster images from a directory using gdal_rasterize. But then encountered this error:

ERROR 6: The PNG driver does not support update access to existing datasets.

input_path has the raster images and the shp_path has the shapefile. Any ideas?

@echo off



set "inpath=C:pathtoinput"

set "shppath=C:pathtoshapefile"





cd /d "%inpath%"



for %%a in (*.png) do (

   set "fileName=%%a"

   echo Overlaying the shape file . . .

   FORFILES /m %%a /C "cmd /c gdal_rasterize -b 1 -b 2 -b 3 -burn 0 -burn 0 -burn 0 %shppath%shpfile.shp %in_path%@fname.png"



)

raster shapefile gdal overlay png

share|improve this question

edited 8 mins ago

Andre Silva

7,535113682

asked Mar 12 '15 at 8:42

useruser

172212

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  you will need to use a different driver that supports update access, such as GTiff (.tif)
  
  – Mike T
  Mar 12 '15 at 9:32
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  But what if the input and output file should be in png not in GTiff(.tif)? Is there any other option? Or just set another output path so that the files will not need any update.
  
  – user
  Mar 13 '15 at 1:19
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Convert the .png to .tif for gdal_rasterize, then back to .png at the end. You can use gdal_translate for this purpose.
  
  – Mike T
  Mar 16 '15 at 0:26
  

  
  
  
  

add a comment | 

1

0

I was trying to overlay a shapefile to some raster images from a directory using gdal_rasterize. But then encountered this error:

ERROR 6: The PNG driver does not support update access to existing datasets.

input_path has the raster images and the shp_path has the shapefile. Any ideas?

@echo off



set "inpath=C:pathtoinput"

set "shppath=C:pathtoshapefile"





cd /d "%inpath%"



for %%a in (*.png) do (

   set "fileName=%%a"

   echo Overlaying the shape file . . .

   FORFILES /m %%a /C "cmd /c gdal_rasterize -b 1 -b 2 -b 3 -burn 0 -burn 0 -burn 0 %shppath%shpfile.shp %in_path%@fname.png"



)

raster shapefile gdal overlay png

share|improve this question

edited 8 mins ago

Andre Silva

7,535113682

asked Mar 12 '15 at 8:42

useruser

172212

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  you will need to use a different driver that supports update access, such as GTiff (.tif)
  
  – Mike T
  Mar 12 '15 at 9:32
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  But what if the input and output file should be in png not in GTiff(.tif)? Is there any other option? Or just set another output path so that the files will not need any update.
  
  – user
  Mar 13 '15 at 1:19
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Convert the .png to .tif for gdal_rasterize, then back to .png at the end. You can use gdal_translate for this purpose.
  
  – Mike T
  Mar 16 '15 at 0:26
  

  
  
  
  

add a comment | 

I was trying to overlay a shapefile to some raster images from a directory using gdal_rasterize. But then encountered this error:

ERROR 6: The PNG driver does not support update access to existing datasets.

input_path has the raster images and the shp_path has the shapefile. Any ideas?

@echo off



set "inpath=C:pathtoinput"

set "shppath=C:pathtoshapefile"





cd /d "%inpath%"



for %%a in (*.png) do (

   set "fileName=%%a"

   echo Overlaying the shape file . . .

   FORFILES /m %%a /C "cmd /c gdal_rasterize -b 1 -b 2 -b 3 -burn 0 -burn 0 -burn 0 %shppath%shpfile.shp %in_path%@fname.png"



)

raster shapefile gdal overlay png

share|improve this question

edited 8 mins ago

Andre Silva

7,535113682

asked Mar 12 '15 at 8:42

useruser

172212

@echo off



set "inpath=C:pathtoinput"

set "shppath=C:pathtoshapefile"





cd /d "%inpath%"



for %%a in (*.png) do (

   set "fileName=%%a"

   echo Overlaying the shape file . . .

   FORFILES /m %%a /C "cmd /c gdal_rasterize -b 1 -b 2 -b 3 -burn 0 -burn 0 -burn 0 %shppath%shpfile.shp %in_path%@fname.png"



)

share|improve this question

edited 8 mins ago

Andre Silva

7,535113682

asked Mar 12 '15 at 8:42

useruser

172212

share|improve this question

edited 8 mins ago

Andre Silva

7,535113682

asked Mar 12 '15 at 8:42

useruser

172212

edited 8 mins ago

Andre Silva

7,535113682

edited 8 mins ago

Andre Silva

7,535113682

asked Mar 12 '15 at 8:42

useruser

172212

asked Mar 12 '15 at 8:42

useruser

172212

1 Answer
1

active

oldest

votes

0

The error message means you can't overwrite (update) an existing raster file of format .png with gdal_rasterize, which is what the tool does by default when the raster file already exists. See the relevant excerpt in gdal_rasterize description:

... . The target raster will be overwritten if it already exists ... .

The dst_filename parameter states that the output file must support update mode access which the error message is saying .png does not.

The work around is what @Mike T commented, use gdal_translate to convert your rasters to .tif, and then, use the .tif files together with parameter -of with gdal_rasterize to output to a .png format.

share|improve this answer

answered 12 mins ago

Andre SilvaAndre Silva

7,535113682

add a comment | 

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0

The error message means you can't overwrite (update) an existing raster file of format .png with gdal_rasterize, which is what the tool does by default when the raster file already exists. See the relevant excerpt in gdal_rasterize description:

... . The target raster will be overwritten if it already exists ... .

The dst_filename parameter states that the output file must support update mode access which the error message is saying .png does not.

The work around is what @Mike T commented, use gdal_translate to convert your rasters to .tif, and then, use the .tif files together with parameter -of with gdal_rasterize to output to a .png format.

share|improve this answer

answered 12 mins ago

Andre SilvaAndre Silva

7,535113682

add a comment | 

0

The error message means you can't overwrite (update) an existing raster file of format .png with gdal_rasterize, which is what the tool does by default when the raster file already exists. See the relevant excerpt in gdal_rasterize description:

... . The target raster will be overwritten if it already exists ... .

The dst_filename parameter states that the output file must support update mode access which the error message is saying .png does not.

The work around is what @Mike T commented, use gdal_translate to convert your rasters to .tif, and then, use the .tif files together with parameter -of with gdal_rasterize to output to a .png format.

share|improve this answer

answered 12 mins ago

Andre SilvaAndre Silva

7,535113682

add a comment | 

The error message means you can't overwrite (update) an existing raster file of format .png with gdal_rasterize, which is what the tool does by default when the raster file already exists. See the relevant excerpt in gdal_rasterize description:

... . The target raster will be overwritten if it already exists ... .

The dst_filename parameter states that the output file must support update mode access which the error message is saying .png does not.

The work around is what @Mike T commented, use gdal_translate to convert your rasters to .tif, and then, use the .tif files together with parameter -of with gdal_rasterize to output to a .png format.

share|improve this answer

answered 12 mins ago

Andre SilvaAndre Silva

7,535113682

share|improve this answer

answered 12 mins ago

Andre SilvaAndre Silva

7,535113682

answered 12 mins ago

Andre SilvaAndre Silva

7,535113682

answered 12 mins ago

Andre SilvaAndre Silva

7,535113682