Thanks Andrea, it seems to be the issue. Still, it would be useful, if
there is a constructor supporting full path to a file in some future
version.
S.
2018-07-25 15:24 GMT+02:00 Andrea Aime <andrea.a...@geo-solutions.it>:
> Just a guess (I'm on mobile seaside) but maybe it is a Windows specific
> issue, since the code has been developed and reviewed by Linux devs only.
> My guess is based on the path seen in the error message, believe it should
> be "file://c:/..." (Note the double slash while the error msg reports a
> single one)
>
> Cheers
> Andrea
>
> Il mer 25 lug 2018, 10:18 Ian Turton <ijtur...@gmail.com> ha scritto:
>
>> I'm not sure if this is the issue but the preferred way to change a file
>> into an url is to use the Urls.toUrl method.
>>
>> Ian
>>
>> On Tue, 24 Jul 2018, 21:46 Stanislav Dušek, <dusek.stan...@gmail.com>
>> wrote:
>>
>>> Hello,
>>>
>>> I'm trying to use GeoTools to calculate the grid coverage based on NTv2
>>> .gsb file.
>>> However, I'm unable to create the instance of NTv2Transform.
>>> When I use this piece of code:
>>>
>>> File gridFile = new File("C:\\Dev\\VTS\\Grids\\WA\\wohpgn.gsb");
>>> NTv2Transform transform = new NTv2Transform(gridFile.toURI());
>>>
>>> I get this exception:
>>>
>>> Exception in thread "main"
>>> org.opengis.referencing.NoSuchIdentifierException:
>>> Could not locate NTv2 Grid File file:/C:/Dev/VTS/Grids/WA/wohpgn.gsb
>>> at org.geotools.referencing.operation.transform.
>>> NTv2Transform.<init>(NTv2Transform.java:105)
>>> at com.frequentis.example.Main.transformFromNad27UsingGrid(
>>> Main.java:75)
>>> at com.frequentis.example.Main.main(Main.java:90)
>>>
>>> Am I using the syntax properly?
>>> Is there some other way of how to achieve that?
>>> Do you know about some workaround?
>>>
>>> Btw, I was trying it with versions 18.4 and 19.1 with Maven.
>>>
>>> Thank you,
>>> Stanislav
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