Kabeja converts an impressive set of entities to SVG alright, but there
would still be considerable effort involved with using it in OJ. You would
end up facing the same problems with displaying DXF text in OpenJump that
all of the current DXF plugins are dealing with.
It sounds like your project has a moving target. What you need is a
definite goal with an understandable specification. Then you can evaluate
the existing solutions, find where they don't meet your requirements, and
choose a path that takes you there with a minimum of effort.
What I have heard so far is that your goal is to get better text support in
OJ. You want to import text from CAD and be able to edit and create it OJ.
That is a very different goal from an improved DXF import capability. Both
goals are worthwhile, but you should probably choose to solve one at a time.
regards,
Larry
On Thu, Apr 9, 2009 at 5:32 PM, Sunburned Surveyor <
sunburned.surve...@gmail.com> wrote:
> Thanks for the steps to extracting text from the DXF Larry. I'm
> acutally looking at the Kabeja library (suggested by Christopher) as a
> way to improve DXF import. I'll keep you posted on my progress.
>
> http://kabeja.sourceforge.net/
>
> SS
>
> On Thu, Apr 9, 2009 at 2:44 PM, Larry Becker <becker.la...@gmail.com>
> wrote:
> > Hi SS,
> >
> > We also have the need to transfer our labels from CAD to SkyJUMP.
> >
> > 1) Use Michael's DXF plugin to import the (simple) DXF. It comes in with
> a
> > Text attribute.
> > 2) Use my "Extract Layer by Attribute" plugin, (which defaults to the
> > attribute "Layer") to break the dxf-derived layer back out to the
> original
> > layers.
> > 3) Change the style on layers that have text to:
> > a. Enable Labeling on the "TEXT attribute"
> > b. Set the horizontal alignment to LEFT for layers with comment text.
> > c. Set the Height attribute to TEXT_HEIGHT.
> > d. Check Scale labels with the zoom level
> >
> > If you follow these steps, you should get reasonably good text in your OJ
> > map from the CAD original. I recommend exporting as an R12 dxf if
> > possible. You can use a free program like EveryDWG to do the conversion.
> >
> > regards,
> > Larry
> >
> > On Thu, Apr 9, 2009 at 12:18 PM, Sunburned Surveyor
> > <sunburned.surve...@gmail.com> wrote:
> >>
> >> Thanks for all of the responses. I'll get with Christopher on
> >> implementing the external renderer.
> >>
> >> Larry asked some good questions. Let me try to answer them.
> >>
> >> Larry wrote: "The renderer is the lest of your problem with adding the
> >> capability to do labels without a backing feature. How are you
> >> planning to persist the labels?"
> >>
> >> I planned on persisting them as a normal Feature object, which means
> >> they could be stored in a Shapefile, or maybe a delimited text file.
> >> I'll likley wrap these features in a Layerable implementation.
> >>
> >> Larry wrote: "How will this integrate with the Project (Task)? How
> >> will you keep this from making prior .jmp files incompatible?"
> >>
> >> I don't think any modifications to the project file will be needed at
> >> this point. All of the attributes for locating and styling the text
> >> can be stored in the feature attributes (I think).
> >>
> >> Larry wrote: "Why is it necessary to even do labels that don't have
> >> features? What is their use case?
> >>
> >> The use cases are centered more on cartographic map production than
> >> traditional spatial analysis. For example: I want to be able to import
> >> notes from the CAD drawings my company produces when I import a DXF.
> >>
> >> Larry wrote: "In SkyJUMP I added a stand alone Text tool, but it
> >> basically uses a new style with standard Features."
> >>
> >> I want to do something similar. I'll take a look at the stand alone
> >> text tool in SkyJUMP. It would probably make a good starting point.
> >>
> >> Thanks for all of the help.
> >>
> >> SS
> >>
> >> On Thu, Apr 9, 2009 at 9:59 AM, Giuseppe Aruta <giuseppe_ar...@yahoo.it
> >
> >> wrote:
> >> >
> >> > Hi Stefan,
> >> >
> >> >> (somewehere on the
> >> >> wiki there
> >> >> was a tip on how to use html tags for displaying images?
> >> >
> >> > Here: http://openjump.org/wiki/show/View nder "Map tooltip".
> >> >
> >> > Peppe
> >> >
> >> >
> >> >
> >> >
> >> >
> >> >
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