Create a shapefile using Java Mapscript

Dan Barron dbarron at DSWLLC.COM
Wed Apr 27 12:10:37 PDT 2005


I seem to seeing the exact same issue with writing a shapefile of points
via java mapscript - though at one point it did work.

What's the trick to "closing" the shapfeilObj file in java mapscript?  I am
using ms 4.4.0 java mapscript.

Thanks,

Dan

At 06:49 AM 4/21/2005, you wrote:
>On Apr 21, 2005, at 6:43 AM, Libo Feng wrote:
>
>>I am a newbie to Java mapscript and in my project, I need to
>>dynamically
>>create a shape file that contains a point. The coordinate of that
>>point is
>>from an address matching web service. I am able to create the .shp,
>>.shx
>>files with the mapscript and a .dbf file with Javadbf. But the .shp
>>and .shx
>>seem to be empty - when I open it with ArcExplorer, there is no point
>>at all.
>>
>>The following is the code:
>>
>>shapefileObj civicAddressShp = new shapefileObj(shapeFile,
>>
>>mapscriptConstants.MS_SHAPEFILE_POINT);
>>pointObj addressPoint = new pointObj(x, y, 0.0, Double.MIN_VALUE);
>>civicAddressShp.addPoint(addressPoint);
>>
>>
>>Did I miss anything? Thanks!
>
>Yes, what you missed is that the point isn't written to the file on
>disk until the shapefileObj is "closed".  The only way to close it is
>by triggering its destructor.  It's awkward, but that's just the way it
>is.
>
>cheers,
>Sean
>
>--
>Sean Gillies
>sgillies at frii dot com
>http://users.frii.com/sgillies



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