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I am looking for a scala library that I could use to plot some interactive graphs that would produce e.g. and HTML file. I am thinking about 2D line and bar charts. By interactive I mean some basics like zoom and unselecting lines I don't want to see.
I found WISP which is very nice, but what I don't like is that I need a single output file with my graphs and don't want to start a server. (Basically, I could use WISP to get my graphs on a webpage, CURL it and save to disc and then stop my server, but this feels way too much)
Any suggestions?
How about http://lightning-viz.org/?
It supports Scala client. Sometimes, I use Jupyter notebook to talk to the lightning server to get interactive plotting. (or I can skip the notebook step, and get the interactive plots directly at the lightning server page)
http://lightning-viz.org/clients/#scala
It also supports a variety of interactive plots http://lightning-viz.org/visualizations/
I recommend using a data source (ie. sqlite if you don't want to run a service) with Tableau. Tableau is purely GUI based but it fits your use case. You can create dashboards and nothing beats Tableau for interactive data visualization.
They have a free version (with limitations) and free 1-year student licenses.
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I have a bunch of scripts collecting data from internet and local services, writing them to disk, scripts transforming the data and writing it into a database, scripts reading data from the database and generating new data, etc, written in bash, Python, SQL, ... (Linux).
Apart from a few time-triggered scripts, the glue between the scripts is currently me, running the scripts now and then in a particular order to update everything.
What is the simplest way to replace me by a tool that observes dependencies and triggers the next step as soon as the preconditions are met?
I've found many ETL and data warehousing tools, but these seem too heavy weight for my simple setting. I'd prefer a CLI solution with text-based configuration (maybe able to visualise the graph of dependencies). Any suggestions?
Try airflow: airflow.apache.org
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Is there any solution/instalation/tutorial for Crystal Reports (without VS) to create offline QR Code in report. I've tried generating QR code using google API (successfully), but need a offline workaround. Open source would be nice but commercial solutions are also welcome.
Thanks in advance
At least one 3rd-party Crystal Reports UFL (User Function Library) among those listed here can generate QR Code images on the fly without a dependency on font or internet services.
In Crystal, you insert a dummy image with the desired size of the barcode.
You then right-click and select: Format Graphic...
and set the the Graphic Location expression to the QR Code function call.
On Preview/Refresh of the report, the image is generated on the fly to the hard drive and immediately replaces the original image.
This takes only a few milliseconds so you won't notice any slowdown.
I've been using the fabulous Bwip-js, a server solution under MIT license, for quite some years now. It provides qrcodes (and all other kind of 1D and 2D codes) as response to HTTP requests.
In Crystal Reports you can insert an image and set its source to the appropriate URL of bwip-js.
My instance is running on a lightweight Node.js server, needed only small changes in their node.js example script. It all works like a charm and very stable over months without reboot. Excellent project.
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I can make a chart with any chart drawing tool, like 'LibreOffice Draw'. But I want to save the effort of drawing arrow-lines, blocks. Just give it the inputs, outputs and process name, then it will generate a chart for me.
I use graphviz for this. You textually specify the graph you want and it provides a variety of command line tools for drawing it. It doesn't always draw things perfectly, but it usually does a good enough job. There are also probably LaTeX packages out there, if you're into that, although its probably overkill for your needs if you don't use it already.
Graphviz will do this. You define a graph using fairly simple text format and it will layout and draw the output.
Graphviz documentation
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Anyone know of a system or framework for a non-programmer form creation? Not a full implementation, but something that handles the designer aspect and something that handles the displaying for being filled in. All the logic we'll be doing. Maybe just a pair of widgets.
We've got a client-server application into which normal users enter and modify data in a thick client and we want to allow the customers to update and create forms with another thick client application, rather than calling us every time they need a letter changed. We want something to do the display bits while we implement the various hooks and functions the system uses.
We're a java shop, but we expect that we're open to writing these clients in another language if it'll be easier.
Possibly Xopus with a schema for the XForm could work.
http://xopus.com/
Try searching for XForms libraries and tools. XForms is a new-ish standard format for defining forms and there are some libraries and tools available for it. Haven't tried any of these myself.
EDIT:
This looks interesting: http://www.orbeon.com/forms/builder
Well, you're a Java shop so this might not be the best tool for you, but from you description you look like a classic case for Infopath:
http://office.microsoft.com/en-us/infopath/default.aspx
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What I want is lots of nodes which can expand making a mind map.
I'd ideally like to expand and collapse nodes. I would like to be able to navigate by either dragging around the page, or by following expanded nodes.
I have a colleague who needed that kind of functionalities to graph Maven dependencies between projects. He ended up using FreeMind to do the visualization. He just had to write an XML file conforming to the FreeMind format. I even think you can just use OPML as the file format and find a ready to use XSLT to transform it to the FreeMind format. Maybe FreeMind actually supports OPML directly (I havent used it for a long time).
Once you have your data in FreeMind, you can either export them, or use the FreeMind applet to display an interactive MindMap on your website.
Suggest mxGraph.
Suggest protovis, lovely javascript cross-platform visualisation library.
I think you are asking for a component that does what Visio can do, except that it can be displayed on a web page. Most likely you would have to create one from scratch, because mind mapping tools are always released as products per se and not customizable components. I suggest looking for a basic drawing/illustration component, and then putting your mind-mapping logic in it.