[gdal-dev] Re: gdal-dev Digest, Vol 64, Issue 45

Mon Sep 21 14:17:48 EDT 2009

I second the "wanting WKT Raster in trunk". If it helps, I can help test 
building...

Jeff.

----- Original Message ----- 
From: <gdal-dev-request at lists.osgeo.org>
To: <gdal-dev at lists.osgeo.org>
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 <warmerdam at pobox.com>
> Subject: [gdal-dev] 1.7 Release Planning
> To: Howard Butler <hobu.inc at gmail.com>
> Cc: gdal-dev <gdal-dev at lists.osgeo.org>
> Message-ID: <4AB793FB.70003 at pobox.com>
> 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, 
> warmerdam at pobox.com
> 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 <yilmaz.arslanoglu at gmail.com>
> Subject: [gdal-dev] OGRGeometry Distance
> To: gdal-dev at lists.osgeo.org
> Message-ID:
> <150158ad0909210806w2493a1dfn388be82bed1db2c8 at mail.gmail.com>
> 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 <chrisemberson at hotmail.com>
> Subject: RE: [gdal-dev] Problem with gdal_translate
> To: <even.rouault at mines-paris.org>
> Cc: GDAL dev <gdal-dev at lists.osgeo.org>
> Message-ID: <BLU145-W210B46BEBFE098FFE7123BA3DD0 at phx.gbl>
> 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: even.rouault at mines-paris.org
>> To: chrisemberson at hotmail.com
>> CC: gdal-dev at lists.osgeo.org
>> Subject: Re: [gdal-dev] Problem with gdal_translate
>>
>> Selon Chris Emberson <chrisemberson at hotmail.com>:
>>
>> 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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>>
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