Re: [Qgis-user] get a world file with georeferencing

2010-06-17 Thread Marco Hugentobler
Hi Richard

If you go to the transformation settings and select linear transformation, you 
have the options to give an output filename ( in this case, the raster is 
resampled according to the options) or to leave the output filename blank (in 
this case, a worldfile is created).

Regards,
Marco

Am Mittwoch, 16. Juni 2010, um 22.57:48 schrieb Richard Duivenvoorde:
 Hi List,
 
 in the old version of the georefencer plugin there was a way to generate
 a world file when using the plugin.
 
 In the new (better) plugin, I cannot find the option anymore. In the ts
 files I know there is a dialog for it ...
 
 can anybody point me in the right direction?
 
 Regards,
 
 Richard
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Re: [Qgis-user] WMS-C question

2010-06-17 Thread Jürgen E . Fischer
Hi Luca,

On Wed, 16. Jun 2010 at 15:10:58 -0700, thedok78 wrote:
 I am testing wms-c from latest trunk using GeoServer and GeoWebCache. All is
 working fine, but I'd like to understand how the image outside the prefixed
 scale are rendered; this because it seems that sometimes the image are
 downsampled.

The images are requested in the nearest available scale on the server side and
rescaled to the needed scale for the current view on the client side.


Jürgen

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Re: [Qgis-user] get a world file with georeferencing

2010-06-17 Thread Richard Duivenvoorde

On 06/17/2010 08:59 AM, Marco Hugentobler wrote:

Hi Richard

If you go to the transformation settings and select linear transformation, you
have the options to give an output filename ( in this case, the raster is
resampled according to the options) or to leave the output filename blank (in
this case, a worldfile is created).


Hi Marco,
thanks, got it now...

Some observations:
- if you leave the outputfilename empty, the worldfile will be created 
next to the image you loaded (great)
- if you give only a filename (without path) the raster file is saved in 
your homedir.

Wouldn't it easier to also save it next to your original image?
- it's a little hidden feature, don't you find?
Is there a way to make it easier to know for a user? Or just add an 
extra input box for it?


Richard

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Re: [Qgis-user] QGIS error after Vista update

2010-06-17 Thread Giovanni Manghi

 You will probably have more luck if you also post in qgis-devel list.
 They might be more helpful

the user reported that unplugging the (two) external usb drives he
usually leave attached to the made qgis starting again. Weird.

cheers

-- Giovanni --

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[Qgis-user] Re: How to draw a polygon shapefile around raster pixels?

2010-06-17 Thread boesiii

I tried using r.mapcalc with slope_gt40_map=if(47001310ee=40,1) and all I
get is a black raster and every pixel has a value of 1.

I also tried using r.mapcalculator with A40 but the resulting raster
still has pixel values less than 40.

What is the correct code I should be using for either tool?
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Re: [Qgis-user] Re: How to draw a polygon shapefile around raster pixels?

2010-06-17 Thread nikos ves
On Thu, 2010-06-17 at 10:00 -0700, boesiii wrote:
 I tried using r.mapcalc with slope_gt40_map=if(47001310ee=40,1) and all I
 get is a black raster and every pixel has a value of 1.
 
 I also tried using r.mapcalculator with A40 but the resulting raster
 still has pixel values less than 40.
 
 What is the correct code I should be using for either tool? 
With grass:
using the contour:

r.contour input=sl...@slope output=valid levels=40 cut=0 --overwrite

Using the mapcalc:

r.mapcalc valid_raster = ( sl...@slope  40)

*Pro tip: Before you start, set the resolution at about ~200m otherwise
you might not like the results- g.region res=200 

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Re: [Qgis-user] get a world file with georeferencing

2010-06-17 Thread Marco Hugentobler
Hi Richard

 - if you give only a filename (without path) the raster file is saved in
 your homedir.
 Wouldn't it easier to also save it next to your original image?

Yes, I agree next to the original image is better (and should be 
straightforward to change).

 - it's a little hidden feature, don't you find?
 Is there a way to make it easier to know for a user? Or just add an
 extra input box for it?

The option to choose between world file and resampling is only available for 
linear transformation. One possibility would be to have a checkbox 'write 
worldfile' that is only enabled if linear transformation is selected.

Regards,
Marco


Am Donnerstag, 17. Juni 2010, um 10.50:27 schrieb Richard Duivenvoorde:
 On 06/17/2010 08:59 AM, Marco Hugentobler wrote:
  Hi Richard
  
  If you go to the transformation settings and select linear
  transformation, you have the options to give an output filename ( in
  this case, the raster is resampled according to the options) or to leave
  the output filename blank (in this case, a worldfile is created).
 
 Hi Marco,
 thanks, got it now...
 
 Some observations:
 - if you leave the outputfilename empty, the worldfile will be created
 next to the image you loaded (great)
 - if you give only a filename (without path) the raster file is saved in
 your homedir.
 Wouldn't it easier to also save it next to your original image?
 - it's a little hidden feature, don't you find?
 Is there a way to make it easier to know for a user? Or just add an
 extra input box for it?
 
 Richard


-- 
Dr. Marco Hugentobler
Sourcepole - Linux  Open Source Solutions
Webereistr. 66, CH-8134 Adliswil, Switzerland
marco.hugentob...@sourcepole.ch http://www.sourcepole.ch
Technical Advisor QGIS Project Steering Committee
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Re: [Qgis-user] icons for the vector/ftools toolbox?

2010-06-17 Thread Goyo
El mié, 16-06-2010 a las 22:37 +0100, Carson Farmer escribió:
 Well I think I've probably released the icons under GPL... but I don't
 really care, do what you want with them :-)
 They are all based (loosely) on previous qgis icons (and the gis theme
 icons as well).
 
 Carson

Can I have the .svg? I searched for them in Faunalia and Qgis icons
without success.

Goyo


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[Qgis-user] Re: How to draw a polygon shapefile around raster pixels?

2010-06-17 Thread boesiii

Nikos,

I tried r.contour input=sl...@slope output=valid levels=40 cut=0
--overwrite and it analyzes the raster but doesn't produce any contour
lines.  Do I need to have a vector layer in the mapset?



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[Qgis-user] Re: How to draw a polygon shapefile around raster pixels?

2010-06-17 Thread boesiii

I finally figured it out, I had my region set wrong.
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[Qgis-user] table manager news

2010-06-17 Thread Borys Jurgiel
Thanks to a patch from Santiago Banchero, now it's possible to remove multiple 
columns at once. Thanks a lot!
B.
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[Qgis-user] Improving DXF to SHAPE Plugin

2010-06-17 Thread Bruce, Bob (CON)
I tried using this plugin the other day and found that a lot of
important DXF element attributes were missing. Is there currently a way
to get things like the layer name and the textstring imported into the
SHAPE files using this plugin?

If there is not, are there any plans to extend this plugin to do this?
If help is needed to work on improving this plugin, I would be
interested in lending a hand since I am keen on seeing this
functionality added.

Bob


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**  work # (204) 945-6636  1007 Century Street,
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[Qgis-user] mapfile plugin

2010-06-17 Thread Brad Nesom
I attempt to install the UMN mapfile tools ver 0.3 plugin and get an error
that the plugin is broken. Is this for an older qgis version? I am running
1.5
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