Hi,

Thank you for giving/taking news. Even if situation in France is probably not as worrying as in Italy, from now on, our daily life is probably quite closed to yours as containment measures have been taken for the whole country since yesterday evening.

It is nice if you have more time to take care of OpenJUMP symbology.

I have worked on symbology in the past. I have created the XBasicStyle which extends BasicStyle and wraps VertexStyle. I can't remember what was my goal exactly. Maybe I can retrieve it.

About jep library, maybe the most natural place would be in lib/ext/lib directory. I'll follow Ede's position on this topic as he knows better than I how classloading works.

Best regards, be well,

Michaël

envoyé : 17 mars 2020 à 12:22
de : Giuseppe Aruta <giuseppe.ar...@gmail.com>
à : OpenJump develop and use <jump-pilot-devel@lists.sourceforge.net>
objet : [JPP-Devel] Hi members



Hi everybody,
this is a general email. First of all greetings to all members of this list.
In this moment many of us in or countries are facing the large pandemia connected to Covid 19. This is going to change, for sure, little by little many aspects of our everyday's life, in these days, possibly in the future.
I want to ask you how is the situation in your country with Covod 19.
I think it is important to save a comunication using every channel we can. And share information.
In Italy, as you probably know, Covid 19 arrived first and had an unusual spread comparing to other Europe country. A larger number of infected and a very high number of deads. The reasons can be different and still matter of discussing (Covid 19 arrived first in Italy, larger population of old people, randomness....)
We adopted a scenario that is quite well explained in this article: https://www.washingtonpost.com/graphics/2020/world/corona-simulator/
Simulation number 3 or 4 depending to the areas. I hope this article can be useful to someone.

Regarding OpenJUMP,. As I have more free time in these days, I spend a part of the day on solving some aspects of Styling in OpenJUMP.

a) Caplann vertex synbology actually works only as a base symbols, allowing some extra notes using attributes to store datas. I developed a plugin that can be used also on Classification by attribute . It is still a barebone and needs some special enablechecks: I will upgrade the source code by the time it is ready.
The scope: it allows some essential features on vertex style classification like rotation and scale symbology according to scale view. These features are quite important in geological and topographic maps

b) review VertexStyle class to allow rotation and rescale symbols by scale view. This is still embryonic and hopefully I can get a working plugin on next weeks. (the source code is quite complex for me)

c) Extend  the preview panel of symbology to other Style classes (vertex symbology like Cadplann and Line decoration

A proposal
Both Sextante and Open Klem plugin use jep-2.4.0.jar  file. Jep is used to  parse and to evaluat mathematical _expression_ (http://singularsys.com/jep/) and it is quite small (83 kb). I propose to add as base library in OpenJUMP, it can be useful to extend math and statistical capabilities in OpenJUMP

Best regards

Best regards
Peppe
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