I second the "wanting WKT Raster in trunk". If it helps, I can help test
building...
Jeff.
----- Original Message -----
From: <[email protected]>
To: <[email protected]>
Sent: Monday, September 21, 2009 9:01 AM
Subject: gdal-dev Digest, Vol 64, Issue 45
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Today's Topics:
1. 1.7 Release Planning (Frank Warmerdam)
2. OGRGeometry Distance (Yilmaz Arslanoglu)
3. RE: Problem with gdal_translate (Chris Emberson)
----------------------------------------------------------------------
Message: 1
Date: Mon, 21 Sep 2009 10:55:55 -0400
From: Frank Warmerdam <[email protected]>
Subject: [gdal-dev] 1.7 Release Planning
To: Howard Butler <[email protected]>
Cc: gdal-dev <[email protected]>
Message-ID: <[email protected]>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Howard Butler wrote:
Speaking of which, are we going to release 1.7 on your birthday again?
Howard,
I would like to aim somewhat earlier - perhaps the end of October with
a bit of room to slip if needed.
Does anyone have particular features they want to see accomplished in time
for 1.7?
I'd like to see some sort of handling of utf-8 filenames on windows.
I'd like to see a new PCIDSK driver based on the new PCIDSK SDK.
I'd like to see WKT Raster in trunk.
I'd like to see serious progress on the bug list.
Best regards,
--
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up | Frank Warmerdam,
[email protected]
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush | Geospatial Programmer for Rent
------------------------------
Message: 2
Date: Mon, 21 Sep 2009 17:06:39 +0200
From: Yilmaz Arslanoglu <[email protected]>
Subject: [gdal-dev] OGRGeometry Distance
To: [email protected]
Message-ID:
<[email protected]>
Content-Type: text/plain; charset=ISO-8859-1
Hi all;
I wanted to compute the distance between two points,
and for this reason I tried the "OGRGeometry::Distance" member function.
However, I saw that this function only returns the linear
distance between the objects, regardless of their geospatial reference.
(as it is also stated somewhere on the net that GEOS library
implements it this way)
So I would like to compute the actual distance between the points,
let's say,
23 degrees north, 30 degrees east
and
25 degrees west, -5 degrees east.
My question is, do we need to implement this functionality by using
projection transformations etc., or is there an easy way to do this
using the OGR library?
Also, as another related question, I query the DEPCNT layer in one of
my ENC files, and it has a geospatial reference.
However, the points on the line string features themselves return NULL
when they are queried with getSpatialReference().
Aren't they expected to return exactly the same instance for the layer
that they reside on?
Regards,
Yilmaz
------------------------------
Message: 3
Date: Mon, 21 Sep 2009 15:52:02 +0000
From: Chris Emberson <[email protected]>
Subject: RE: [gdal-dev] Problem with gdal_translate
To: <[email protected]>
Cc: GDAL dev <[email protected]>
Message-ID: <[email protected]>
Content-Type: text/plain; charset="iso-8859-1"
Thanks for your reply.
Would you be able to give me an example of the syntax for the
gdal_translate option?
How do I change the dynamics to 8 bits?
-scale [src_min src_max [dst_min dst_max]]:
Thanks
Chris
Date: Fri, 11 Sep 2009 18:06:48 +0200
From: [email protected]
To: [email protected]
CC: [email protected]
Subject: Re: [gdal-dev] Problem with gdal_translate
Selon Chris Emberson <[email protected]>:
The behaviour you see is expected. -expand rgb only works for bands that
have
color maps. You can transform your grey scale FILEA.asc into a RGB file
by doing
this :
gdal_translate -of GTiff -co "TILES=YES" -b 1 -b 1 -b 1 FILEA.asc
FILEB.tif
This will use the source band 1 for the R, G, B components of the output
file.
You may need to use the scaling/translate options of gdal_translate to
reduce
the dynamics to 8 bits.
>
> I am having trouble converting a single band raster (.asc) when using
> the
> GDAL utility gdal_translate (version 1.6)
>
> This is the command...
> gdal_translate -of GTiff -co "TILES=YES" -expand rgb FILEA.asc
> FILEB.tif
>
> I get this message....
>
>
>
>
> Error : band 1 has no color table
>
> I want to be able to tile this raster using Mapnik - therefore it needs
> to be
> a 3 band tiff - Can anyone help with this problem?
>
> Thanks in advance
>
> Chris
>
>
>
>
>
>
>
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