Thanks Hrald I will try to get these fixes applied soon.
On Thu, Apr 9, 2009 at 5:28 PM, Wellmann, Harald <[email protected]
> 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: [email protected]
> [mailto:[email protected]] 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: [email protected]
> [mailto:[email protected]] 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
> <[email protected]> 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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