Re: [GRASS-user] pdf maps

2010-06-06 Thread Jarek Jasiewicz

Mohammed Rashad pisze:
Is there any module in grass to read maps which are in PDF format to 
raster or vector.
ArcGIS can read pdf files as raster maps. may i know the module is 
available in GRASS or GRASS-Addons repo.
 
-

Rashad




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AFAIK no, but rasterize a pdf map in GIMP is piece of cake
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Re: [GRASS-user] pdf maps

2010-06-06 Thread Glynn Clements

Mohammed Rashad wrote:

 Is there any module in grass to read maps which are in PDF format to raster 
 or vector.
 ArcGIS can read pdf files as raster maps. may i know the module is available 
 in GRASS or GRASS-Addons repo.

Ghostscript can generate SVG output. I don't know of any tool to
import SVG directly, but Inkscape can convert SVG to DXF, which OGR
can handle. However, I don't know how much information will be lost in
the conversion.

Generating rasters is more straightfoward; Ghostscript can generate a
large number of raster formats, many of which can be imported using
e.g. r.in.gdal.

-- 
Glynn Clements gl...@gclements.plus.com
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Re: [GRASS-user] pdf maps

2010-06-06 Thread Mohammed Rashad
What about having a module for reading pdf maps such as r.in.pdf or v.in.pdf


 Regards,
Rashad





From: Glynn Clements gl...@gclements.plus.com
To: Mohammed Rashad rasha...@yahoo.com
Cc: grass-...@lists.osgeo.org; grass-user@lists.osgeo.org
Sent: Sun, June 6, 2010 1:03:25 PM
Subject: Re: [GRASS-user] pdf maps


Mohammed Rashad wrote:

 Is there any module in grass to read maps which are in PDF format to raster 
 or vector.
 ArcGIS can read pdf files as raster maps. may i know the module is available 
 in GRASS or GRASS-Addons repo.

Ghostscript can generate SVG output. I don't know of any tool to
import SVG directly, but Inkscape can convert SVG to DXF, which OGR
can handle. However, I don't know how much information will be lost in
the conversion.

Generating rasters is more straightfoward; Ghostscript can generate a
large number of raster formats, many of which can be imported using
e.g. r.in.gdal.

-- 
Glynn Clements gl...@gclements.plus.com



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Re: [GRASS-user] pdf maps

2010-06-06 Thread Hamish
[taking this off the -dev list, it doesn't need to be there]

Mohammed Rashad wrote:
 Is there any module in grass to read maps which are in
 PDF format to raster or vector.
 ArcGIS can read pdf files as raster maps. may i know
 the module is available in GRASS or GRASS-Addons repo.

do you mean something included as part of a regular document,
or a GeoPDF,  http://en.wikipedia.org/wiki/GeoPDF

wikipedia says:
...
Meanwhile Adobe made own geospatial extensions in the PDF 1.7 specification, 
which are published as ISO 32000 and used by different GIS vendors for 
geospatial PDF production.


IIUC it is being heavily pushed by some software companies..
AFAIK the scientists haven't been pulled away from their netCDF
and geotiffs at all by this, but various gov't depts have started
to use it as it makes data easily accessible.


the more impartial than me USGS says:
 http://store.usgs.gov/locator/about_digital_maps.html

GeoPDF files are not a replacement for native GIS formats. GIS professionals 
still need the original files for editing or updating spatial data. GeoPDF 
files enable non-GIS professionals, field technicians, business executives, and 
their colleagues to utilize rich spatial information. Users can view and print 
GeoPDF files with the free and ubiquitous Adobe Reader ,and they can do more 
with the data using a free plug-in called TerraGo Desktop. Users do not have to 
install this plug-in to view GeoPDF files.

and finally a web search found:
  http://geopdf.blogspot.com/


Hamish


  
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