Ycasd (ycasd captures and scales data) is a simple tool for capturing and scaling data from graphical representations. It can be used for retrieving data points from figures of electronically available or scanned publications for which no raw data is provided. After the figure is displayed on the screen, it only requires the definition of two pixels on each of the axes by clicking and setting their corresponding values. For each subsequent click on the figure, a coordinate pair is estimated by vector calculations and in accordance to axes definition. For more details, see http://www.biomedcentral.com/1471-2105/15/219#Sec5.
- All options are accessible through a single window
- Data points are captured from the (raw) screen independently of the viewer of a figure
- Vector calculations allow for capturing of data points from rotated or skewed figures
- Output coordinates can be displayed as a Matlab or an R matrix with selectable accuracy
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