Chandra X-Ray Observatory (CXC)

Skip to the navigation links

Thumbnails of ChIPS examples

Select an image to see how it was created.

Introductory examples

[Plot two columns from a file (Updated)]

[Contour an image using the WCS axes]

[Display an image with a color bar (Updated)]

[Two curves in a plot]

[Multiple histograms within a plot]

[Use the sky coordinate system to contour an image]

[Display an image and overlay contours (Updated)]

[Placing one plot within another plot]

[Plotting related values in a strip chart (Updated)]

[Using a filled region (solid) to show the error bounds (Updated)]

[Filling a region with a pattern to show the error bounds]

[Display a three-color image]

Basic curves

[A curve marked with symbols and connected by a red line]

[A curve marked with diamonds]

[A curve connected by a dotted line]

[A curve showing the full range of options]

Overplotting curves

[Two curves in the same plot]

[Two curves in the same plot, one with error bars]

Histograms

[Displaying (x,y) data points as a histogram]

[Displaying (xlow,xhigh,y) data points as a histogram]

[A histogram which shows the bin edges]

[A histogram showing the full range of options (Updated)]

[Filling a histogram with a pattern]

Contours

[A simple contor plot]

[Two sets of contours in the same plot]

[Contouring an image using the WCS information]

Images

[Overlay Chandra contours on an optical image (Updated)]

[The alpha channel can be used to blend together multiple images (Updated)]

[Show the different colormaps available within ChIPS]

[Using extra colormaps, read from a file ]

[Overlay a plot on an image (Updated)]

[WCS Axis grids]

[Create a grid of thumbnail images of Chandra sources (New)]

Multiple plots

[Data, fit, and residuals (Updated)]

[Data, residuals, and contours in one frame (Updated)]

[Data and residuals in one frame, contours in another (Updated)]

Annotations

[Using regular-sided regions to show the fill styles provided by ChIPS (Updated)]

[Using regions to display the field-of-view files of a Chandra observation (Updated)]

[Comparing Chandra and Suzaku observations (Updated)]

[The COSMOS survey (Updated)]

Sharing an axis between plots

[Three datasets in separate plots with a common axis]

[Three datasets in separated plots]

[Three datasets in separate plots with a hidden X axis (Updated)]

[A grid where the plots share axes and the plot sizes are different]

Error bars

[Symmetric Y errors]

[Errors for both the X and Y axes]

[A histogram with errors and symbols]

Axis styles and grids

[The default plot style is to show all four axes (closed)]

[The open plot style only displays two axes]

[The boxed plot style draws a box around the plot]

[Numeric labels (ticklabels) on all four axes]

[Rotating the numbers along an axis]

[Changing the format used to display the labels]

[Using sexagesimal notation for the axis labels (Updated)]

[Changing the number of major tick marks (using mode=interval)]

[Changing the number of major tick marks (using mode=count)]

[Displaying a grid at the major tick mark locations]

[Add a grid at the major and minor tick mark locations]

[Grids work with logarithmically-scaled axes too]

[Change the axis labels to use strings rather than numbers]

Adding axes

[Using a line to indicate an axis]

[Adding an extra axis to a plot]

[A single plot containing two datasets with a common axis]

[Two y axes on the left of the plot]

Moving axes

[Moving the axes so they go through (0,0)]

[Moving the axes and using a boxed border]

[Moving the axes with an open border]

Last modified: 6 January 2012

The Chandra X-Ray Center (CXC) is operated for NASA by the Smithsonian Astrophysical Observatory. 60 Garden Street, Cambridge, MA 02138 USA. Email: cxcweb@head.cfa.harvard.edu Smithsonian Institution, Copyright © 1998-2012. All rights reserved.