VOPlot Change Log

Features in VOPlot v1.8

• New Feature Table Access Protocol (TAP): Returns a VOTable after querying to the service supporting TAP.

• A fully updated helpset is now bundled within VOPlot.

• Minor ticks has been included within the plot properties. User can view the points with a greater precision of the point location.

• New Functionality Draw Line added. It is possible to draw line between any two points in the graph.

• Bug Fixes.

Features in VOPlot v1.8 Beta

• Multi-grid plots: 2D Scatter Plot now additionally supports multi-grid plots. User is able to plot from 1x1 to 3x3 plots in each individual window and every plot is independent.

• Projection plot: Labeling of Lat-Long lines provided with an option to turn them on or off.

• Cumulative Histogram added as a new and default type of histogram.

• Loading FITS files: Showing Meta data instantly onto the launcher while the actual loading happens in background.

• Data Manipulation: Show Data in tabular format supports paginated view which facilitates easy navigation. Each page consists of a maximum of 10,000 points.

• A fully updated user guide is being released bundled with v1.8 Beta.

• Bug Fixes.

Features in VOPlot v1.7

• ASCII parser: Better handling of "faulty data". Shows the offending rows/column entry to the user and allows the user to skip rows that are faulty and load the rest of the rows.

• Projection plot: Multiple enhancements including:

- Projection plot can now be launched from the main launcher independent of a scatter plot.

- The user can specify the step length along Longitude and Latitude axes.

- It is now possible to enter the co-ordinates directly in Long-Lat if available.

- It is now possible to change the main title of the plot.

- It is now possible to change the colors, sizes etc of points from inside plot properties --> advanced tab.

- In case of overlays, it is now possible to insert text showing the meaning of different overlays/symbols.

• Automatic plotting of first one/two/three columns (as relevant) upon launching a new plot window.

• Cone search: The user has the option of using either AND/OR logic while performing multi-word searching for the catalog to be used for cone search. Results in more relevant search results.

• Density plot now has an option for showing the co-ordinate grid.

• 2D histogram now supports the classic "outline" histogram format. It is called "outline" and is now the default histogram type used. In this format there is no gap in the bars plotted between the adjacent bins avoiding any confusion.

• A fully updated user guide is being released bundled with v1.7.

Features in VOPlot v1.6Beta

• Major UI revamp

- Uncluttered, simpler to use and allowing greater flexibility.

- VOPlot Launcher to launch various plots.

- Color coding for column names..

• Ability to plot columns from one data file against columns from another data file.
• Improved VO Cone Search dialog

- Cone search services can be filtered on one or more keywords.

- Resource caching for faster load of cone search service list.

• Ability to reposition legends and change legend text.
• Plot scale and step size can also be set by user.
• Hyperbolic functions can be used in expressions for creating new columns and for creating filters.
• Recent files menu

Features in VOPlot v1.5 (Stable)

• New 2D Plots

- Density Plot

• Interop

- SAMP is supported (by default VOPlot launches in SAMP mode)

Features in VOPlot v1.5.0 beta

• New Look & Feel with customizable Tool bars
• Plot Panel Handling

- Creation of plot panels using mouse drag

- Make a plot panel child of another. (For inset plots)

- Cascade, tile or arrange plots as a grid.

• 3D Plots

- 3D Scatter Plot

- 3D Histogram (2D binning of data)

- Surface Plot

• Continuous & Outline styled 2D Histograms
• Internal PLASTIC Hub.

Features in VOPlot v1.4.1 beta

• PLASTIC is supported. (new Interop menu has been added).
• Dragging selected points from one plot to another has been enhanced.
• Selected points can be cut, copied, pasted and deleted.
• RA, DEC columns for the votable selected in votable dropdown box can be set in RA-DEC Dialog.
• Plots can now be saved in PNG, GIF, JPG formats.
• HTTP Proxy can be set using the Proxy-Settings dialog.

Features in VOPlot v1.4

• Mutiple plots within the main window.
• Support for multiple resources and tables in VOTable.
• Load FITS and ASCII files.
• Histogram is now shown in the main window (that of scatter plot).
• Create subsets from selected or non selected or visible points.
• Select points on other plots corresponding to those selected in active plot.
• Drag selected points to another plot.
• Load or save the VOTable obtained from ConeSearch.
• Ability to close VOTable(s).

Features in VOPlot v1.3.1

• Plots can be saved as postscript files in color.
• VOExternalApp interface has been changed.
  Methods added:
  public void loadVOTable(URL url, boolean loadMultiple)
  public void loadVOTable(File file, boolean loadMultiple)
  Methods removed:
  public void loadVOTable(InputStream voTable, boolean loadMultiple)

Features in VOPlot v1.3

• VOPlot now takes much lesser time to load and plot VOTables as compared to the previous release (v1.2.1). This version has been specifically optimized to plot medium sized VOTables (containing few hundred thousand points) in an efficient fashion.

Features in VOPlot v1.2.1

• Added ability to invoke VOPlot through programmatic interface.
• Projection maps for Sinusoidal, Aitoff and Mollweide Projections.� �
• Operator calculator for easy creation of new columns and filters.
• Ability to plot data on reverse X and Y axes.
• Added ability to get buttons control panel out of main plot window.
• Ability to export data in ASCII format.
• Reorganization of user interface.

• Bug fixes.

Features in VOPlot v1.2

• Ability to load multiple VOTables in Standalone version.
• Ability to change color and marker styles for Plot.
• Plot points with error bars.
• Display of Box Plot.

Features in VOPlot v1.1

• Ability to select and unselect plot points.
• Ability to save data in VOTable format in the standalone version.
• Display of plot data in tabular format
• Display of plot data in VOTable format

Features in VOPlot v1.0

• Allows plotting of numeric fields from a single VOTable.
• Support for various plot styles - scatter plots, line plots, histograms.
• Support for automatic/manual labeling of axis and tick marks.
• Supports zooming.
• Support for transformation on columns.
• Support for overlaying of plots and histograms.
• Support for printing of the plot.
• Support for statistical functions.
• Support for filtering data.�
• Support for saving the plot as EPS file.