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
