topic ASCII to Raster Conversion problems! in Data Management Questions https://community.esri.com/t5/data-management-questions/ascii-to-raster-conversion-problems/m-p/583632#M33002 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><BR /><SPAN>I'm a newbie to Arc GIS (version 10 on Windows 7) and I'm having some problems with an ASCII to Raster conversion.&nbsp; Apologies in advance if I am not using "tight" GIS terminology! I am doing some work with the Global Fire Emissions Database (GFED v3.1) burnt area </SPAN><BR /><SPAN>data which is at 0.5 degree resolution.&nbsp; This data is available in a txt file without a header.&nbsp; I am able to add a header to enable the ASCII to Raster conversion to work, but am running into problems with large burnt areas occurring over water.&nbsp; I have attached two </SPAN><BR /><SPAN>files:</SPAN><BR /><SPAN>1) Global burnt area (hectares) for July 1996 (this worked ok).</SPAN><BR /><SPAN>2) Same but for August 1996 (this one looks ok for the Northern but not Southern hemisphere).</SPAN><BR /><BR /><SPAN>Was just wanting to know if there are some solutions out there for this?&nbsp; A highly likely problem I have is defining the co-ordinate system for the Raster.&nbsp; The data I am converting does not have a defined co-ordinate system.&nbsp; </SPAN><BR /><BR /><SPAN>Thanks in advance for your help!</SPAN><BR /><BR /><SPAN>Nic Surawski.</SPAN><BR /><SPAN>CSIRO, Post-doctoral Fellow, Canberra, Australia.</SPAN></BODY></HTML> Wed, 02 May 2012 09:02:30 GMT NicSurawski 2012-05-02T09:02:30Z ASCII to Raster Conversion problems! https://community.esri.com/t5/data-management-questions/ascii-to-raster-conversion-problems/m-p/583632#M33002 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><BR /><SPAN>I'm a newbie to Arc GIS (version 10 on Windows 7) and I'm having some problems with an ASCII to Raster conversion.&nbsp; Apologies in advance if I am not using "tight" GIS terminology! I am doing some work with the Global Fire Emissions Database (GFED v3.1) burnt area </SPAN><BR /><SPAN>data which is at 0.5 degree resolution.&nbsp; This data is available in a txt file without a header.&nbsp; I am able to add a header to enable the ASCII to Raster conversion to work, but am running into problems with large burnt areas occurring over water.&nbsp; I have attached two </SPAN><BR /><SPAN>files:</SPAN><BR /><SPAN>1) Global burnt area (hectares) for July 1996 (this worked ok).</SPAN><BR /><SPAN>2) Same but for August 1996 (this one looks ok for the Northern but not Southern hemisphere).</SPAN><BR /><BR /><SPAN>Was just wanting to know if there are some solutions out there for this?&nbsp; A highly likely problem I have is defining the co-ordinate system for the Raster.&nbsp; The data I am converting does not have a defined co-ordinate system.&nbsp; </SPAN><BR /><BR /><SPAN>Thanks in advance for your help!</SPAN><BR /><BR /><SPAN>Nic Surawski.</SPAN><BR /><SPAN>CSIRO, Post-doctoral Fellow, Canberra, Australia.</SPAN></BODY></HTML> Wed, 02 May 2012 09:02:30 GMT https://community.esri.com/t5/data-management-questions/ascii-to-raster-conversion-problems/m-p/583632#M33002 NicSurawski 2012-05-02T09:02:30Z Re: ASCII to Raster Conversion problems! https://community.esri.com/t5/data-management-questions/ascii-to-raster-conversion-problems/m-p/583633#M33003 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><BR /><SPAN>Fixed!&nbsp; The 1st file was tab delimited the 2nd not.</SPAN><BR /><BR /><SPAN>Cheers,</SPAN><BR /><BR /><SPAN>N.</SPAN></BODY></HTML> Thu, 03 May 2012 03:06:51 GMT https://community.esri.com/t5/data-management-questions/ascii-to-raster-conversion-problems/m-p/583633#M33003 NicSurawski 2012-05-03T03:06:51Z