@white space when zooming out:
Maybe you can use the drawing algorithm that draw the geometries like a
pencil sketch when zooming with the slidebar (and then rerender the
geometries at a given time interval).
Screenshot: http://www.imagebanana.com/img/91inbax/pencil_sketch.jpg
--Benjamin
2010/2/24 Benjamin Gudehus <hasteb...@googlemail.com>
> Hi Larry,
>
> there should really be an option the choose between the old and new zooming
> algorithm (if possible).
>
> Zooming out feels slowly, when I first have to wait for the rendering of
> missing geometries in the white space around the image of the previous zoom
> level.
>
> (B) This anomaly happens consistantly, when viewing our geometries (of a
> graveyard). Unfortunately I can't provide any of the data. So I tried to
> reproduce the anomaly with generated geometries. But I finally couldn't
> reproduce it, the anomaly here happens sometimes. What I can say is, that
> the number of layers is irrelevant, and that it happens with polygons filled
> out with color.
>
> This is the Jython code to generate the layer. As I mentioned before this
> was just an attempt to reproduce the anomaly.
>
> <pre>
> from com.vividsolutions.jts.geom import Coordinate, GeometryFactory
> from com.vividsolutions.jump.feature import FeatureUtil,
> FeatureDatasetFactory
>
> points = [(x, y) for x in xrange(20) for y in xrange(20)]
> coord_offsets = [(0.5, 0.5), (0.5, 1), (1, 1), (1, 0.5), (0.5, 0.5)]
>
> geo_factory = GeometryFactory()
> geometries = []
> for x, y in points:
> poly_coords = [Coordinate(x + dx, y + dy) for (dx, dy) in
> coord_offsets]
> ring = geo_factory.createLinearRing(poly_coords)
> polygon = geo_factory.createPolygon(ring, [])
> geometries.append(polygon)
>
> from org.openjump.core.apitools import LayerTools
> from java.awt import Color
> dataset = FeatureDatasetFactory.createFromGeometry(geometries)
> LayerTools.addStandardResultLayer("zoomtest", dataset, Color.black,
> wc.createPlugInContext(), None)
> </pre>
>
> --Benjamin
>
> 2010/2/23 Larry Becker <becker.la...@gmail.com>
>
> Hi Benjamin,
>>
>> (A) I like the old zoom to mouse position behavior too. I just haven't
>> gotten the zoom to cursor math right yet.
>> (B) You might be right. I've noticed an occasional anomaly too, but
>> can't reproduce it consistently. I don't know what is causing it.
>>
>> regards,
>> Larry
>>
>>
>> On Tue, Feb 23, 2010 at 10:41 AM, Benjamin Gudehus <
>> hasteb...@googlemail.com> wrote:
>>
>>> Hi!
>>>
>>> I tested the new mouse wheel zoom with the nightly build from 23-Feb-2010
>>> 02:12.
>>>
>>> (A) In previous versions the zoom function zoomed-in to the current
>>> position of the mouse cursor. The new behavour is, that it just zooms to the
>>> position in middle of the layerviewpanel. I'd like to have the old behaviour
>>> when zooming in.
>>>
>>> (B) Also there are some problems when zooming in and out having layers
>>> with approx. 5000 features. I think the zooming algorithm (1) uses an image
>>> from the current view of the layerviewpanel and zoom that image and (2) then
>>> rerenders all the features to replace the image. When I zoom with the mouse
>>> wheel the view jumps between (1) and (2), e.g. it finishes rerendering the
>>> image (2) of an previous zoom level when (1) already happened.
>>>
>>> Greetings
>>>
>>> --Benjammin
>>>
>>> 2010/2/11 Larry Becker <becker.la...@gmail.com>
>>>
>>>> I accidentally reversed the Mouse wheel zoom direction in the last
>>>> update. It should now zoom in when the wheel is rolled away from your hand
>>>> as other mapping programs do.
>>>>
>>>> regards,
>>>> Larry
>>>>
>>>>
>>>> On Thu, Feb 4, 2010 at 11:04 AM, Stefan Steiniger <sst...@geo.uzh.ch>wrote:
>>>>
>>>>> mhm... my plan was working on a release towards April. Need to think
>>>>> about it ;)
>>>>> the EZ buttons are now added as default (but even hardcoded in
>>>>> OpenJUMPConfiguration and not the xml file).
>>>>>
>>>>>
>>>>> Rahkonen Jukka wrote:
>>>>> > Hi,
>>>>> >
>>>>> > Excellent job. Mouse wheel zooming gives a good feeling because
>>>>> screen
>>>>> > is updating fast and from the server side I can see also that no
>>>>> > unnecessary WMS calls are sent. That gives more speed for OJ user
>>>>> > especially with slow connection to WMS but the feature itself is nice
>>>>> > even without WMS layers.
>>>>> > Perhaps the zoom steps could be a little bit smaller? Not as small
>>>>> as
>>>>> > uDig has, but something in between. And what do you think about
>>>>> copying
>>>>> > another uDig feature, panning with the mouse middle button? Or do
>>>>> you
>>>>> > have some other good use for the middle button, we do already have
>>>>> well
>>>>> > working keyboard shortcut for panning.
>>>>> >
>>>>> > OJ is having a few nice new features since the last release. At least
>>>>> > improved wheel zoom, improved handling of null attributes from
>>>>> database,
>>>>> > EZ Buttons (which migh be acticated by default). Would it be a time
>>>>> to
>>>>> > start prepering the next release?
>>>>> >
>>>>> > -Jukka-
>>>>> >
>>>>> > Larry Becker wrote:
>>>>> >
>>>>> > More Mouse Wheel Zooming updates. I fixed some problems with
>>>>> mouse
>>>>> > wheel zoom in and zoom out in the same half second causing
>>>>> radical
>>>>> > changes. The Timer period now resets while the wheel is still
>>>>> > moving, and I changed the Timer period to .7 seconds to better
>>>>> > reflect actual use.
>>>>> >
>>>>> > Larry
>>>>> > On Tue, Feb 2, 2010 at 5:02 PM, Larry Becker <
>>>>> becker.la...@gmail.com
>>>>> > <mailto:becker.la...@gmail.com>> wrote:
>>>>> >
>>>>> > OK, I have committed an experimental version of
>>>>> AbstractZoomTool
>>>>> > that incorporates a deferred mouse wheel zoom for half a
>>>>> > second. It does an image stretch from the center of the
>>>>> panel
>>>>> > until the half second expires. Please test after tomorrow's
>>>>> > nightly build.
>>>>> >
>>>>> > Comments?
>>>>> >
>>>>> > regards,
>>>>> > Larry
>>>>> >
>>>>> >
>>>>> >
>>>>> >
>>>>> > On Mon, Feb 1, 2010 at 2:52 PM, Sunburned Surveyor
>>>>> > <sunburned.surve...@gmail.com
>>>>> > <mailto:sunburned.surve...@gmail.com>> wrote:
>>>>> >
>>>>> > Jukka,
>>>>> >
>>>>> > Can you file a feature request on SourceForge so we don't
>>>>> > forget this?
>>>>> >
>>>>> > The Sunburned Surveyor
>>>>> >
>>>>> > On Mon, Feb 1, 2010 at 7:12 AM, Larry Becker
>>>>> > <becker.la...@gmail.com <mailto:becker.la...@gmail.com>>
>>>>> wrote:
>>>>> > > Hi Jukka,
>>>>> > >
>>>>> > > The behavior you described is what I programmed for
>>>>> the
>>>>> > mouse wheel
>>>>> > > zooming. I like the idea of doing raster scaling
>>>>> until
>>>>> > you stop using the
>>>>> > > wheel. It is just a matter of finding time to do it.
>>>>> > As you can imagine,
>>>>> > > this is fairly difficult code to write, but I believe
>>>>> it
>>>>> > to be an important
>>>>> > > enhancement.
>>>>> > >
>>>>> > > regards,
>>>>> > > Larry
>>>>> > >
>>>>> > > On Mon, Feb 1, 2010 at 6:51 AM, Rahkonen Jukka
>>>>> > <jukka.rahko...@mmmtike.fi <mailto:
>>>>> jukka.rahko...@mmmtike.fi>>
>>>>> > > wrote:
>>>>> > >>
>>>>> > >> Hi,
>>>>> > >>
>>>>> > >> I have not used disk wheel zoom a lot and I
>>>>> discovered
>>>>> > just now that when
>>>>> > >> zooming with mouse wheel, OpenJUMP is sending a new
>>>>> WMS
>>>>> > call for each wheel
>>>>> > >> "click". As a WMS server manager I do not like this
>>>>> > behaviour at all. WMS
>>>>> > >> server is really sending an image for each click
>>>>> > but OpenJUMP does not use
>>>>> > >> the intermediate WMS images for anything. Could it
>>>>> be
>>>>> > possible to modify it
>>>>> > >> so that OJ waits till user has stopped rolling the
>>>>> wheel
>>>>> > before the request
>>>>> > >> is sent? I compared what uDig does and
>>>>> > it is rescaling the old
>>>>> > >> raster image (in a similar way than OJ when the
>>>>> > Continuos zoom tool is used)
>>>>> > >> until wheel rolling is ceased.
>>>>> > >>
>>>>> > >> -Jukka Rahkonen-
>>>>> > >>
>>>>> > >>
>>>>> >
>>>>> ------------------------------------------------------------------------------
>>>>> > >> The Planet: dedicated and managed hosting, cloud
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>>>>> > >> Stay online with enterprise data centers and the best
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>>>>> > >> business
>>>>> > >> Choose flexible plans and management services without
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>>>>> just
>>>>> > a phone call away.
>>>>> > >> http://p.sf.net/sfu/theplanet-com
>>>>> > >> _______________________________________________
>>>>> > >> Jump-pilot-devel mailing list
>>>>> > >> Jump-pilot-devel@lists.sourceforge.net
>>>>> > <mailto:Jump-pilot-devel@lists.sourceforge.net>
>>>>> > >>
>>>>> >
>>>>> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
>>>>> > >>
>>>>> > >
>>>>> > >
>>>>> > >
>>>>> > > --
>>>>> > > Larry Becker
>>>>> > > Integrated Systems Analysts, Inc.
>>>>> > >
>>>>> > >
>>>>> >
>>>>> ------------------------------------------------------------------------------
>>>>> > > The Planet: dedicated and managed hosting, cloud
>>>>> storage,
>>>>> > colocation
>>>>> > > Stay online with enterprise data centers and the best
>>>>> > network in the
>>>>> > > business
>>>>> > > Choose flexible plans and management services without
>>>>> > long-term contracts
>>>>> > > Personal 24x7 support from experience hosting pros
>>>>> just a
>>>>> > phone call away.
>>>>> > > http://p.sf.net/sfu/theplanet-com
>>>>> > > _______________________________________________
>>>>> > > Jump-pilot-devel mailing list
>>>>> > > Jump-pilot-devel@lists.sourceforge.net
>>>>> > <mailto:Jump-pilot-devel@lists.sourceforge.net>
>>>>> > >
>>>>> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
>>>>> > >
>>>>> > >
>>>>> >
>>>>> >
>>>>> ------------------------------------------------------------------------------
>>>>> > The Planet: dedicated and managed hosting, cloud storage,
>>>>> > colocation
>>>>> > Stay online with enterprise data centers and the best
>>>>> > network in the business
>>>>> > Choose flexible plans and management services without
>>>>> > long-term contracts
>>>>> > Personal 24x7 support from experience hosting pros just a
>>>>> > phone call away.
>>>>> > http://p.sf.net/sfu/theplanet-com
>>>>> > _______________________________________________
>>>>> > Jump-pilot-devel mailing list
>>>>> > Jump-pilot-devel@lists.sourceforge.net
>>>>> > <mailto:Jump-pilot-devel@lists.sourceforge.net>
>>>>> >
>>>>> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
>>>>> >
>>>>> >
>>>>> >
>>>>> >
>>>>> > --
>>>>> > Larry Becker
>>>>> > Integrated Systems Analysts, Inc.
>>>>> >
>>>>> >
>>>>> >
>>>>> ------------------------------------------------------------------------
>>>>> >
>>>>> >
>>>>> ------------------------------------------------------------------------------
>>>>> > The Planet: dedicated and managed hosting, cloud storage, colocation
>>>>> > Stay online with enterprise data centers and the best network in the
>>>>> business
>>>>> > Choose flexible plans and management services without long-term
>>>>> contracts
>>>>> > Personal 24x7 support from experience hosting pros just a phone call
>>>>> away.
>>>>> > http://p.sf.net/sfu/theplanet-com
>>>>> >
>>>>> >
>>>>> >
>>>>> ------------------------------------------------------------------------
>>>>> >
>>>>> > _______________________________________________
>>>>> > Jump-pilot-devel mailing list
>>>>> > Jump-pilot-devel@lists.sourceforge.net
>>>>> > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
>>>>>
>>>>>
>>>>> ------------------------------------------------------------------------------
>>>>> The Planet: dedicated and managed hosting, cloud storage, colocation
>>>>> Stay online with enterprise data centers and the best network in the
>>>>> business
>>>>> Choose flexible plans and management services without long-term
>>>>> contracts
>>>>> Personal 24x7 support from experience hosting pros just a phone call
>>>>> away.
>>>>> http://p.sf.net/sfu/theplanet-com
>>>>> _______________________________________________
>>>>> Jump-pilot-devel mailing list
>>>>> Jump-pilot-devel@lists.sourceforge.net
>>>>> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Larry Becker
>>>> Integrated Systems Analysts, Inc.
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
>>>> SOLARIS 10 is the OS for Data Centers - provides features such as
>>>> DTrace,
>>>> Predictive Self Healing and Award Winning ZFS. Get Solaris 10 NOW
>>>> http://p.sf.net/sfu/solaris-dev2dev
>>>>
>>>> _______________________________________________
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>>>>
>>>>
>>>
>>>
>>> ------------------------------------------------------------------------------
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>>
>>
>> --
>> Larry Becker
>> Integrated Systems Analysts, Inc.
>>
>>
>> ------------------------------------------------------------------------------
>> Download Intel® Parallel Studio Eval
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>>
>>
>
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