RE: MI-L Save Window As...Only 96 DPI?

2003-03-14 Thread CRISP, Paul -Syntegra UK
Ryan

The Save Window As function has a memory leak in MI 7, even in the patched
version. This might be what your problem is - get the performance monitors
up on screen and try it through the MapBAsic window in MI Pro

I got round it by using API calls - there are some examples on the MicroSoft
site.

HTH

Paul Crisp

Syntegra
Innovation Place Delta Bank Road Newcastle NE11 9DJ
Tel 0191 461 4522 Fax 0191 460 1987


-Original Message-
From: Ryan Morgan, Aerials Express [mailto:[EMAIL PROTECTED]
Sent: 13 March 2003 21:36
To: Bill Thoen
Cc: MapInfo-L
Subject: RE: MI-L Save Window As...Only 96 DPI?


Bill Thoen Wrote:
If you save the image as 156.25 x 208.33 image at 96 dpi,
you'll get the same thing as a 60 x 80 @ 250 dpi image. But I
thought the dpi setting on the MI 7.0 Save Window As option was
adjustable?

- Bill

Yeah, you would think so, but it bombs out when I try anything over 80 on
the long side (even though it asks for something between .5 and 100.)  As
for being adjustable, it is to a point, for example I can make a 30 X 40
@200 DPI, but I can't make a 60 X 80 at 150 DPI.  Why would they limit it?

Ryan





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RE: MI-L Save Window As...Only 96 DPI?

2003-03-14 Thread Warren Vick, Europa Technologies Ltd.
 2002



-Original Message-
From: Ryan Morgan, Aerials Express [mailto:[EMAIL PROTECTED]
Sent: Thursday, March 13, 2003 7:59 PM
To: MapInfo-L
Subject: MI-L Save Window As...Only 96 DPI?


Hello all,

Does anyone know of a utility that enhances the save window as functionality
in MapInfo Pro 7.0?  Is it possible to enhance this feature in MapBasic, and
if so, has anyone ever done it?  I'd like to be able to save a 60 X 80
layout window as a 250 DPI .tif file, MI limits me to 96 DPI.

Thanks in advance for your help,

Ryan Morgan
Aerials Express
www.AerialsExpress.com


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RE: MI-L Save Window As...Only 96 DPI?

2003-03-14 Thread Ryan Morgan, Aerials Express
Sorry sir, please don't bar me from the list, but your formula had an error.
:)

I show 858 MB in Photoshop for a 250 DPI tiff @ 60 X 80 RGB.  You forgot
there are 1048576 bytes per megabyte.

The formula would be:

=((250DPI*80in)*(250DPI*60in)*(24bytes/8bytes))/1048576bytes = 858.3MB

Which my 1.5 GB of RAM should be able to handle.  Why limit it? Why make it
dependent on RAM?

-Original Message-
From: Bill Thoen [mailto:[EMAIL PROTECTED]
Sent: Thursday, March 13, 2003 4:48 PM
To: Ryan Morgan, Aerials Express
Subject: Re: MI-L Save Window As...Only 96 DPI?


You probably ran out of memory.  24-bit color images take 3 bytes
per pixel and 250 dpi 60 x 80 image is 60*250*3*80*250*3 = 2.7
GB.

Ryan Morgan, Aerials Express wrote:

 Bill Thoen Wrote:
 If you save the image as 156.25 x 208.33 image at 96 dpi,
 you'll get the same thing as a 60 x 80 @ 250 dpi image. But I
 thought the dpi setting on the MI 7.0 Save Window As option was
 adjustable?

 - Bill

 Yeah, you would think so, but it bombs out when I try anything over 80 on
 the long side (even though it asks for something between .5 and 100.)  As
 for being adjustable, it is to a point, for example I can make a 30 X 40
 @200 DPI, but I can't make a 60 X 80 at 150 DPI.  Why would they limit
it?

 Ryan

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 To unsubscribe, e-mail: [EMAIL PROTECTED]
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 Message number: 5944


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Re: MI-L Save Window As...Only 96 DPI?

2003-03-14 Thread Bill Thoen
Yah, okay... your dimensions are utter poppycock, but your result
is right; you got lucky. 

The 3 bytes/pixel actually comes from RGB color being
(24bits/pixel) / (8bits/byte), and if we assume that when you
square the d in dpi the result is pixels (the i in dpi is inches
of course), the dimensionally correct equation is:

(250dpi * 80in * 250dpi * 60in) * 3 bytes/pixel = 900,000,000
bytes

Of course, that little bit of pedantry doesn't solve your
problem... maybe MapInfo on XP just can't handle images that
size.

(And I don't kick people off the list for rubbing my nose in
it... I just subject them to withering scorn and searing sarcasm!
;-)

- Bill 

Ryan Morgan, Aerials Express wrote:
 
 Sorry sir, please don't bar me from the list, but your formula had an error.
 :)
 
 I show 858 MB in Photoshop for a 250 DPI tiff @ 60 X 80 RGB.  You forgot
 there are 1048576 bytes per megabyte.
 
 The formula would be:
 
 =((250DPI*80in)*(250DPI*60in)*(24bytes/8bytes))/1048576bytes = 858.3MB
 
 Which my 1.5 GB of RAM should be able to handle.  Why limit it? Why make it
 dependent on RAM?

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MI-L Save Window As...Only 96 DPI?

2003-03-13 Thread Ryan Morgan, Aerials Express
Hello all,

Does anyone know of a utility that enhances the save window as functionality
in MapInfo Pro 7.0?  Is it possible to enhance this feature in MapBasic, and
if so, has anyone ever done it?  I'd like to be able to save a 60 X 80
layout window as a 250 DPI .tif file, MI limits me to 96 DPI.

Thanks in advance for your help,

Ryan Morgan
Aerials Express
www.AerialsExpress.com


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Re: MI-L Save Window As...Only 96 DPI?

2003-03-13 Thread Bill Thoen
Ryan Morgan, Aerials Express wrote:
 Does anyone know of a utility that enhances the save window as functionality
 in MapInfo Pro 7.0?  Is it possible to enhance this feature in MapBasic, and
 if so, has anyone ever done it?  I'd like to be able to save a 60 X 80
 layout window as a 250 DPI .tif file, MI limits me to 96 DPI.

If you save the image as 156.25 x 208.33 image at 96 dpi,
you'll get the same thing as a 60 x 80 @ 250 dpi image. But I
thought the dpi setting on the MI 7.0 Save Window As option was
adjustable?

- Bill

-
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Message number: 5943



RE: MI-L Save Window As...Only 96 DPI?

2003-03-13 Thread Ryan Morgan, Aerials Express
Bill Thoen Wrote:
If you save the image as 156.25 x 208.33 image at 96 dpi,
you'll get the same thing as a 60 x 80 @ 250 dpi image. But I
thought the dpi setting on the MI 7.0 Save Window As option was
adjustable?

- Bill

Yeah, you would think so, but it bombs out when I try anything over 80 on
the long side (even though it asks for something between .5 and 100.)  As
for being adjustable, it is to a point, for example I can make a 30 X 40
@200 DPI, but I can't make a 60 X 80 at 150 DPI.  Why would they limit it?

Ryan





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