On Thu, Apr 16, 2009 at 1:36 AM, Jesse Eichar
<
jesse.eichar@xxxxxxxxxxxxxx> wrote:
> Thanks Hrald I will try to get these fixes applied soon.
>
> On Thu, Apr 9, 2009 at 5:28 PM, Wellmann, Harald
> <
harald.wellmann@xxxxxxxxxx> wrote:
>>
>> Here is a fix that works for me:
>>
>> public static boolean isLatLong(CoordinateReferenceSystem crs) {
>> Unit<?> unit = getUnit(crs);
>> boolean isLatLong =
>> unit.getStandardUnit().equals(javax.measure.unit.SI.RADIAN);
>> return isLatLong;
>> }
>>
>>
>> After that, I stumbled into another problem with the CursorPosition
>> tool. My coordinate values are integral numbers with 8 to 10 digits, but
>> the cursor position tool only displays numbers between 1 and 9.
>>
>> The problem is in
>> n.r.u.tools.internal.CursorPosition.LineItem.getString(), where floating
>> point numbers are not handled correctly.
>>
>> I replaced String.valueOf(doubleValue) by String.format("%f",
>> doubleValue), because valueOf returns exponential represensations like
>> 1.234567E8 which break the logic of the rest of this method, which looks
>> a bit unclear to me anyway.
>>
>> I'm not sure what the statement
>>
>> string+="00";
>>
>> is doing. I commented it out and could notice no difference, neither for
>> my large integer coordinates, nor for standard WGS84.
>>
>> Cheers,
>>
>> Harald
>>
>> ________________________________
>>
>> Von:
udig-devel-bounces@xxxxxxxxxxxxxxxxxxxxx
>> [mailto:
udig-devel-bounces@xxxxxxxxxxxxxxxxxxxxx] Im Auftrag von
>> Wellmann, Harald
>> Gesendet: Donnerstag, 9. April 2009 10:25
>> An: User-friendly Desktop Internet GIS
>> Betreff: AW: [udig-devel] Using a non-standard CRS
>>
>>
>> I haven't really digged deeper into either geotools referencing
>> or javax.measure so far, but my first idea was not to check if the unit
>> is "degree" but to check if it is derived from "rad" and then to apply a
>> scale factor. I'll have a go at that and post a patch if it works...
>>
>> My NDS gets converted by javax.measure to "rad*1.46...E-9"
>> automatically, so that should not be a problem.
>>
>> Cheers,
>> Harald
>>
>>
>> ________________________________
>>
>> Von:
udig-devel-bounces@xxxxxxxxxxxxxxxxxxxxx
>> [mailto:
udig-devel-bounces@xxxxxxxxxxxxxxxxxxxxx] Im Auftrag von Jesse
>> Eichar
>> Gesendet: Donnerstag, 9. April 2009 09:17
>> An: User-friendly Desktop Internet GIS
>> Betreff: Re: [udig-devel] Using a non-standard CRS
>>
>>
>> The idea is there is a very simple and accurate way to
>> calculate scale if the units are linear. So ScaleUtilities uses 2 ways
>> to calculate the scale of the map. The method should probably called
>> usesAngularUnits or something like that. But I copied the method so I
>> left the name alone. If you can determine a better way to detect if the
>> units are angular please let me know.
>>
>> JEsse
>>
>>
>> On Thu, Apr 9, 2009 at 2:19 AM, Jody Garnett
>> <
jody.garnett@xxxxxxxxx> wrote:
>>
>>
>> Hi Harald:
>>
>> I am not sure what ScaleUtils is doing here; I
>> expect there is a gap.
>> I think the assumption is about "units" rather
>> than the name "lat" or
>> "long". I suspect Jesse has an optimized path
>> for lat/long and this
>> method is used to check what is going on before
>> taking a longer more
>> expensive code path involving transformations?
>>
>> Have a look at what calls this method? Also note
>> we may need to teach
>> the java units system about "NDS" in order to
>> get this to work.
>>
>> Jody
>>
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