The unit for line width is defined by the graphics system - so 1 = 1 pt. = 1/72 of an inch (or metric equivalent).
Larry On 7/8/07, Stefan Steiniger <[EMAIL PROTECTED]> wrote: > > Larry Becker schrieb: > > Hi Stefan, > > > > We still may wish to change the UI so that it is possible to set > > fractional line widths as is possible in other programs. > ok. > > > That would > > require more refactoring. It depends on how much control users need. > > Such capability is always included in programs like Illustrator, and > > is commonly used when printing maps. If I understand you correctly, > > you are using Illustrator or Inkscape to set the correct line widths > > before printing, yes? > > yes i use these (rather illustrator) > note that illustrator offers: 0.25pt, 0.5pt, 0.75pt and 1.0pt > > so i would suggest to have such fixed values too? and not a purely free > choice. but.. these are pt-values (making sense for printers). What is > actually the "unit" used for BasicStyle? > > stefan > > > > > regards, > > Larry > > > > On 7/8/07, Stefan Steiniger <[EMAIL PROTECTED]> wrote: > >> A very late response to Larry: > >> > >> so, do you think that your modification of the BasicStyle constructor is > >> now obsolete, since we can use "0" > >> > >> BTW... I am exporting in svg and then prepare my images in > >> illustrator(inkscape). Thus, i don't really have styling problems. but > >> who has the time to do like i do. > >> > >> Larry Becker schrieb: > >>> More surprises (for me). Someone stop me if this is already > >>> documented. If you set the line width to zero, you get very faint > >>> lines. The documentation for BasicStroke says, "If width is set to > >>> 0.0f, the stroke is rendered as the thinnest possible line for the > >>> target device and the antialias hint setting." > >>> > >>> Apparently when you create a new layer, the line width defaults to 1. > >>> I never noticed that you could drag it left to 0, or if I did I must > >>> have assumed it was an error. > >>> > >>> This could be very handy when you are printing and the lines are > >>> showing up too wide on the print device, or just when you have a lot > >>> of linestrings very close together. > >>> > >>> regards, > >>> Larry > >>> > >>> On 6/28/07, Larry Becker <[EMAIL PROTECTED]> wrote: > >>>> Interesting... It turns out that when rendering antialiased lines, > >>>> Java2D actually draws lines with fractional widths as shown in the > >>>> attached JumpWindow screen capture. This would make it possible to > >>>> modify the Change Style line width slider to support floating point > >>>> values that represent very thin lines. > >>>> > >>>> Larry > >>>> > >>>> On 6/28/07, Larry Becker <[EMAIL PROTECTED]> wrote: > >>>>> To give a better idea of problem (1), I have attached two jpegs. They > >>>>> were made by doing a screen capture within Inkscape while zoomed to > >>>>> 800%. They are labeled before and after and show the effects of > >>>>> scaling the line width by 0.1 in BasicStyle setLineWidth(). The SVG > >>>>> files were created using Stefan's "Print Image in SVG Format." Other > >>>>> printing plug-ins may already be implementing their own solutions. > >>>>> > >>>>> regards, > >>>>> Larry Becker > >>>>> > >>>>> On 6/26/07, Sunburned Surveyor <[EMAIL PROTECTED]> wrote: > >>>>>> Larry, > >>>>>> > >>>>>> This is a great post. Thanks for documenting some of the problems we > >>>>>> are having with the rendering system. Perhaps I need to take a crack > >>>>>> at these with my pluggable renderering system, instead of stand alone > >>>>>> labels. I'll give this some thought. > >>>>>> > >>>>>> The Sunburned Surveyor > >>>>>> > >>>>>> On 6/25/07, Larry Becker <[EMAIL PROTECTED]> wrote: > >>>>>>> The purpose of this thread is to document problems with BasicStyle > >>>>>>> rendering that primarily affect the quality of printing plug-ins > >>>>>>> > >>>>>>> Problem (1): > >>>>>>> > >>>>>>> BasicStyle lineStroke defaults to width 1. See Geoff's "About Line > >>>>>>> Decorations and Printing" thread in the archives: > >>>>>>> http://www.mail-archive.com/[EMAIL PROTECTED]/msg00075.html > >>>>>>> > >>>>>>> Proposed solution (1.A): > >>>>>>> > >>>>>>> The problem seems to me that JUMP is starting out with the line width > >>>>>>> way too large. In other applications I have used much smaller default > >>>>>>> line widths. In order to do this we would need to modify > >>>>>>> BasicStyle.setLineWidth(int lineWidth) to use a float instead of an > >>>>>>> int and change setLineWidth(1) to setLineWidth(0.1) or something > >>>>>>> smaller in the constructor. > >>>>>>> > >>>>>>> > >>>>>>> Problem (2): > >>>>>>> > >>>>>>> The relative scale of symbols and text changes when changing from > >>>>>>> screen resolution to printer resolution. See Geoff's ""Re: > >>>>>>> [JPP-Devel] JumpPrinter" thread in the archives: > >>>>>>> http://www.mail-archive.com/jump-pilot-devel@lists.sourceforge.net/msg00998.html > >>>>>>> > >>>>>>> Proposed solution (2.A): > >>>>>>> > >>>>>>> I haven't thought this one through very well, but it would seem that > >>>>>>> we need to have some sort of renderer DPI setting (there's those pesky > >>>>>>> english units again). Unfortunately there doesn't seem to be any > >>>>>>> Java2D support for this concept that I could find, so we would > >>>>>>> probably have to implement the scaling ourselves. Someone else may > >>>>>>> have already thought of a better solution. > >>>>>>> > >>>>>>> There are probably other printer related rendering problems I haven't > >>>>>>> heard about. > >>>>>>> > >>>>>>> regards, > >>>>>>> Larry Becker > >>>>>>> > >>>>>>> -- > >>>>>>> http://amusingprogrammer.blogspot.com/ > >>>>>>> > >>>>>>> ------------------------------------------------------------------------- > >>>>>>> This SF.net email is sponsored by DB2 Express > >>>>>>> Download DB2 Express C - the FREE version of DB2 express and take > >>>>>>> control of your XML. No limits. Just data. Click to get it now. > >>>>>>> http://sourceforge.net/powerbar/db2/ > >>>>>>> _______________________________________________ > >>>>>>> Jump-pilot-devel mailing list > >>>>>>> Jump-pilot-devel@lists.sourceforge.net > >>>>>>> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > >>>>>>> > >>>>>> ------------------------------------------------------------------------- > >>>>>> This SF.net email is sponsored by DB2 Express > >>>>>> Download DB2 Express C - the FREE version of DB2 express and take > >>>>>> control of your XML. No limits. Just data. Click to get it now. > >>>>>> http://sourceforge.net/powerbar/db2/ > >>>>>> _______________________________________________ > >>>>>> Jump-pilot-devel mailing list > >>>>>> Jump-pilot-devel@lists.sourceforge.net > >>>>>> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > >>>>>> > >>>>> -- > >>>>> http://amusingprogrammer.blogspot.com/ > >>>>> > >>>>> > >>>> -- > >>>> http://amusingprogrammer.blogspot.com/ > >>>> > >>>> > >>> > >> ------------------------------------------------------------------------- > >> This SF.net email is sponsored by DB2 Express > >> Download DB2 Express C - the FREE version of DB2 express and take > >> control of your XML. No limits. Just data. Click to get it now. > >> http://sourceforge.net/powerbar/db2/ > >> _______________________________________________ > >> Jump-pilot-devel mailing list > >> Jump-pilot-devel@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > >> > > > > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by DB2 Express > Download DB2 Express C - the FREE version of DB2 express and take > control of your XML. No limits. Just data. Click to get it now. > http://sourceforge.net/powerbar/db2/ > _______________________________________________ > Jump-pilot-devel mailing list > Jump-pilot-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > -- http://amusingprogrammer.blogspot.com/ ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Jump-pilot-devel mailing list Jump-pilot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
