Wrong distances in my new scenery

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luisbriones
Posts: 28
Joined: Fri Nov 14, 2014 5:56 pm

Wrong distances in my new scenery

Postby luisbriones » Mon May 01, 2017 5:42 pm

I'm working in mi Local scenery.

I followed the instructions of Scenery Toolkit pdf and I noted that distances between wp are wrong. I put in the map the wp that I use for real flight.
There are 3 wp used to go and return 100 km FAI task. One to the north, one to south and to east.

To the north the distance is almost right. To south is 3 km more than real, and to the east is 12km more than real.

I check the lines with latitude and longitude that Condor draw with the map and look good. The wp are in correct place in map.

I rechecked this doing a new map without any textures with same result.

Any idea of what happend?

Regards,

Luis



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dgtfer
Posts: 122
Joined: Mon Nov 19, 2007 10:49 am
Location: Marseille - france

Re: Wrong distances in my new scenery

Postby dgtfer » Mon May 01, 2017 7:30 pm

did you properly reproject your .trn in UTM?
Image

luisbriones
Posts: 28
Joined: Fri Nov 14, 2014 5:56 pm

Re: Wrong distances in my new scenery

Postby luisbriones » Tue May 02, 2017 12:44 am

dgtfer wrote:did you properly reproject your .trn in UTM?


I made a scenery follow the Tom Berry tutorial. He don't convert to UTM. I thinked that was the problem. I made a new scenery follow step by step the Condor Scenery Toolkit PDF. In the second one I chaged the coordinates to UTM. In both case the east distance is the same.

I will make one againg using Excel Calibration Tools. I the others case I used teh T. Berry online spreadsheet.

luisbriones
Posts: 28
Joined: Fri Nov 14, 2014 5:56 pm

Re: Wrong distances in my new scenery

Postby luisbriones » Tue May 02, 2017 1:20 am

I found the error. Converting to UTM AND using the Excel Calibration Tools the distance are very similar. 101.6 km in Condor, 101.4 in Seeyou program

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Jan Oorthuijsen
Posts: 268
Joined: Sat Jul 02, 2005 4:27 pm
Location: Utrecht (Terwijde) - Holland

Re: Wrong distances in my new scenery

Postby Jan Oorthuijsen » Wed May 03, 2017 10:43 am

Hi Luis

Where is the conversion to the correct UTM projection ?,was my question a few years ago.
Now I know that in Qgis you need to do the conversion through, Raster> Projections> Warp (reproject).
 And than Cut with ,Raster> Extraction> Correct Clipper (Multiple of23040m ) .
Did not get a correct answer and therefore I stopped follow that tutorial.

Do not forget to correct the size (look in hdr file) by -45 m and + 50 m , If you follow the old method
Search the forum for this.

Grts, WW
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WW
It’s Difficult to Soar Like An Eagle
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luisbriones
Posts: 28
Joined: Fri Nov 14, 2014 5:56 pm

Re: Wrong distances in my new scenery

Postby luisbriones » Wed May 03, 2017 3:44 pm

Jan Oorthuijsen wrote:Hi Luis

Where is the conversion to the correct UTM projection ?,was my question a few years ago.
Now I know that in Qgis you need to do the conversion through, Raster> Projections> Warp (reproject).
 And than Cut with ,Raster> Extraction> Correct Clipper (Multiple of23040m ) .
Did not get a correct answer and therefore I stopped follow that tutorial.

Do not forget to correct the size (look in hdr file) by -45 m and + 50 m , If you follow the old method
Search the forum for this.

Grts, WW


Jan, I reply you in viewtopic.php?f=3&t=16651&p=151007#p151007


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