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  • "Bernd Borghold" is male
  • "Bernd Borghold" started this thread

Posts: 49

Date of registration: Sep 22nd 2006

Occupation: Elektroniktechniker

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1

Monday, January 1st 2007, 4:02pm

Freie Modelle M = 1 : 100

Liebe Gemeinde, ein frohes neues Jahr.

Hier eine Seite mit Modellen im Masstab 1 :100.

Viel Spass.



http://www.minibox.ic.cz/lbs_seznam.html


Bernd
Fertig : Eigenkonstruktion Goggo 1:20
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nora

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  • "nora" is female

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2

Tuesday, January 2nd 2007, 5:23pm

Hallo
Danke für die Seite
wie kann ich die *.png Dateien öffnen, bzw importieren,- in Corel wird die Seiten mehr als als A4 groß,- normal ist Netscape dafür zuständig, aber dort kann ich sie nicht auf 1:160 verkleinern,-
irgendeinen Tip?

mfg
Nora
Nur noch meine Eisenbahn Spur N,-
arbeite ja wieder und habe keine Zeit für mehr

außer,- gelegentlich ein Kartonmodell,- man gönnt sich ja sonst nichts

Dennis1993

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3

Tuesday, January 2nd 2007, 5:39pm

Bei Windows müsste das eigentlich mit "Windows Bild- und Faxanzeige" gehen.

Rechte Maustaste auf die Datei > öffnen mit > Windows Bild- und Faxanzeige

Hoffe ich konnte dir behilflich sein.

Gruß
Dennis
nothing's impossible, the impossible just takes longer :D

This post has been edited 1 times, last edit by "Dennis1993" (Jan 2nd 2007, 5:39pm)


nora

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4

Tuesday, January 2nd 2007, 5:59pm

hallo Dennis

ja war zum teil erfolgreich mit windows Media+Fax Anzeige
konnte dort 1:1 in *.jpg umwandeln (speichern unter)
und kanns jetzt weiterbearbeiten in Photoshop

vielen Dank

Nora
Nur noch meine Eisenbahn Spur N,-
arbeite ja wieder und habe keine Zeit für mehr

außer,- gelegentlich ein Kartonmodell,- man gönnt sich ja sonst nichts

Jan Hascher

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5

Tuesday, January 2nd 2007, 7:05pm

Hallo Nora,
png solltest du aber problemlos direkt in Photoshop verarbeiten können?!

Gruß
Jan
Jeder, der einen Post mit "Ich habe zwar keine Ahnung, aber..." beginnt, möge bitte den Absenden-Button ignorieren.

jb1963

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6

Tuesday, January 2nd 2007, 7:22pm

zum sKalieren und konvertieren nehme ich XnView. Das ist frei und genial. habe bisher noch keine pixelgrafik gefunden, die ich damit nicht öffnen konnte, ok ein paar Dateien waren kaputt, die gehen natürlich nicht ...

Für 99% der Anwendungen reicht XnView mir ...

Jan Hascher

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7

Tuesday, January 2nd 2007, 7:25pm

Dito.
Jeder, der einen Post mit "Ich habe zwar keine Ahnung, aber..." beginnt, möge bitte den Absenden-Button ignorieren.

Leif Ohlsson

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8

Tuesday, January 2nd 2007, 8:47pm

How to get them to 1:160 or 1:87

There is such a wealth of free vehicle models at this site, that I imagine it would be a model railroader's dream to quickly get them to the correct scale. This is a little bit of a problem, since the format is png. As far as I understand that is the same as bmp, that it no definite size is shown, but rather all pixels at the resolution of the computer (72 dpi).

What this means, I found out by experimenting, is that when you look at it on the computer screen, the resolution becomes 72 dpi - and all sizes are completely out of whack.

If you print one of the sheets on A4 paper and specify "adjust to fit paper" the result will probably be very close to 1:100. But that would depend a little bit on the printer characteristics (printable area, etc.).

A better method is to adjust the size to your desired scale in a graphics programme, like Photoshop (or similar). Here's how I did it:

1. Open the document, and bring out the image size (or similar) dialogue box. Note where the adjustment for dpi (dots per inch) is. It should say 72 to start with.

2. For different scales use these dpi settings:

1:100 - set dpi to 400

1:160 - set dpi to 640

1:87 - set dpi to 348

Be sure to disable the "resample image" option (it must be unchecked). The process should take no time at all. The only visible difference will be that the internal ruler of the software at the top of the document has changed. If the process takes time (that is if the computer starts resizing the image) you have failed to uncheck the "resample image" option, and you will have to abort.

3. To check, measure the 50 mm arrow in all the sheets againt the internal ruler of the software. If you chose 400 dpi for a 1:100 scale, the 50 mm arrow should now be 50 mm and nothing else. For 1:160 (640 dpi) the 50 mm arrow should be 31.25 mm, and for 1:87 (348 dpi) 57,47 mm.

4. Save your image in desired format (jpg, psd, etc). Rearrange parts on to new sheets if necessary (at 1:87 this will surely be necessary if you are restricted to A4 size). Be sure to specify the same dpi setting of your new documents, as the one you have used to convert the original (400, 640, or 348 dpi). Or do the following, if you wish to work at your favourite dpi setting:

5. If you want to work at a specific resolution, for example 300 dpi, you will have to redo the operation. This time specify 300 dpi (in the example), and allow resampling. The resizing will take some time, but the size of the 50 mm arrow, as measured along the internal ruler of the software, will not change. The only difference will be that the document is a bit less "heavy" (smaller KB size)

---

Here's how the calculation goes (you do not have to read this):

At 1:100 scale the 50 mm arrow should be 50 mm
At 1:160 the arrow should be ( 100 / 160 ) x 50 = 31.25 mm
At 1:87 it should be ( 100 / 87 ) x 50 = 57,47 mm

When you open the image at the screen resolution of 72 dpi the 50 mm arrow is 277.7 mm measured along the software ruler. Therefore the dpi setting for the different scales will be:

For 1:100 it will be ( 277.7 / 50 ) x 72 = 400 dpi
For 1:160 it will be ( 277.7 / 31.25 ) x 72 = 640 dpi
For 1:87 it will be ( 277.7 / 57.47 ) x 72 = 348 dpi

Those of you who know better, have I made this in an unnecessary complicated way? Please enlighten the rest of us in that case.

Leif

PS - to Nora and others who wish to work in 1:160: A quick and dirty way of getting the models printed at that scale would be to specify "print at 11.3 percent" (or 11 percent), in your print dialogue. Use A4 paper. A goodly part of the paper will be unprinted of course, but then paper is cheap and ink is expensive.

If your browser had opened png images, you would have been able to do it from there, but mine at least does not. So you will have to use some graphics programme to open and print the images.

The calculation is ( 31.5 / 277.7 ) x 100 = 11.25.

For 1:87 this will not work, since a similar calculation results in an image larger than A4. Those of you who wish to work at that scale will have to proceed as per above, and rearrange parts on to new print sheets.

PPS - If there are a couple of vehicles you especially want, and if you really and truly feel unable to do it yourself, give me a hint in a post here, and I'll try to do the conversion for you and publish it here. State name of model, desired scale, and whether you wish a particular resolution (dpi).

If you want scales smaller than 1:100 (for example 1:160) it will be easier. If you want scales larger than 1:100 (for example 1:87) I could do the conversion just as easy, but I cannot promise to undertake the necessary rearrangement of parts on to new A4 print sheets. (In some cases, I've noticed, that is very difficult since certain parts will be longer than A4 in 1:87 scale. In such cases you will have to use longer, non-standard paper sizes.)
Dankbar für die Gelegenheit auf Englisch schreiben zu dürfen, kann aber Antworten problemlos auf Deutsch lesen.

Masw

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9

Monday, January 8th 2007, 1:26pm

Hello Leif,
if i understand it correctly, the "original" size of the png file with 72 dpi per inch would lead to a model in 1/18 scale.
Is that right?

Unfortunately not every model has the 50mm arrow,
e.g. the Tatra T 148 CAS 32 fire engine does not
have it. (It has some distances written in a drawing for
the wheels in it)


With kind regards
Markus Schweizer

Leif Ohlsson

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Monday, January 8th 2007, 7:16pm

Markus,

1:18 is correct. But remember, you only get 72 dpi resolution...

For the models without arrows, I suppose you could use the same calculations as above. The orignals are all in 1:100 scale, right?

Leif
Dankbar für die Gelegenheit auf Englisch schreiben zu dürfen, kann aber Antworten problemlos auf Deutsch lesen.

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