There has never been a more comprehensive,
powerful, all-in-one data conversion software solution that provides
an easy-to-use and intuitive user interface for digitizing,
georeferencing, coordinate reprojection, tiling, and creating image
mosaics. Didger solves the problem of combining data files in
different file formats and in different coordinate systems, by
providing extensive tools to transform your GIS data into one
cohesive coordinate system. You can use Didger to precisely convert
paper maps, graphs, aerial photographs, well logs, or any other
plotted information into a versatile digital format that you can use
with other software. Didger can create new maps from the ground up
or edit any existing map, drawing, image, or data set imported into
What's New in Didger 4?
User Interface Enhancements!
Didger has been redesigned to make it even easier and faster to
use! Changes in properties can be seen immediately on the screen
after they are made, you can change the visibility of individual
objects with the click of a button, and the enhanced Layer Manager
allows all options to be quickly accessible. You can customize the
toolbars and menus, and choose from 6 different application
Automatically Vectorize Your Image!
Save time and headaches by letting Didger do your meticulous
polyline and polygon digitizing! With just a few clicks, Didger will
accurately and effortlessly digitize your image for you.
A contour map
was scanned, saved as a grayscale image, and imported into Didger 4
The image was automatically vectorized to red polylines (right).
Free USGS TerraServer Topo Map and Aerial Photograph Imagery!
Didger 4 includes the astounding ability to link directly to the
USGS TerraServer database and download satellite imagery and
topographic maps of the United States free of charge! Simply select
the area of interest and the images are imported directly into your
project and automatically georeferenced!
New Versatile Image Calibration!
There are more ways than ever to import and calibrate your
images. Calibrate an image either by entering coordinates manually
or by simply clicking on points in your existing project!
Alternatively, you can import the image un-referenced so you can
move it around your project with your mouse! Your images have never
looked so good!
We have streamlined the image calibration procedure so that it is
more intuitive and faster than ever to calibrate your images. You
can choose to calibrate an image based off three or more points that
you can enter, or you can simply tie points in your image to
locations in your current project!
Large Image Handling and MrSID Compatibility!
Didger 4 contains the most sophisticated and advanced image
handling routines so you do not run out of memory when working with
large image files! Importing multiple images and creating large
mosaics and coverages is a snap. You even have the option to
directly import MrSID files, making it even easier to work with
Wrapped Polylines for Digitzing Well Logs!
Digitize your entire well log in one step, including the wrapped
portions! Didger gives you the power to digitize logs that have
curves off scale!
More Attributes for Your Data!
Import and export all of your data! Didger now supports up to
256 data attributes per object to give you even more control of your
Create up to
256 attribute fields and name them anything you wish and for your
Didger project! Specify any of the attribute fields to be the
Z-level field for exporting to Surfer or to a 3D DXF or SHP file.
You can even save the attribute definitions to a file for use in
Now it is easy to see your maps the way you want them!
Automatically digitize contour or other 3D data in Didger and send
them directly into Surfer with a click of a button to change contour
properties, overlay with 3D terrain surfaces, DEM files, or other 3D
imagery. Didger also makes it easy to directly convert the
projection Surfer GRD or DEM files, so you can have all your maps in
the same coordinate system in Surfer!
Easily and Consistently Format All Objects On A Layer!
Set the drawing properties in any layer to be based on a keyword
or numeric range found in one of your ID fields! Now you do not have
to go through the time consuming process of repeatedly selecting or
creating certain objects and assigning the same properties to them.
It has never been this easy to create consistent looking projects!
New Fill Patterns and Line Styles!
Create your project exactly the way you want! Fill areas with
one of the new picture or USGS fill patterns, use one of the many
new line styles.
Convert a Polyline to a Polygon with a Shared Border!
Easily create a polygon with a shared border! Simply draw the
first polygon, then use a polyline to define the next polygon. Use
the Polyline to a Polygon with Shared Border command to convert the
polyline to a second polygon! The shared border will be
Additional New Features
Import/Export 3D DXF files
Import LAS files
Import grid files (DEM, DTED, GRD, HDR) as point data
Import MrSID and ECW
Export multi-line LAS files
Export in HTM format with working hyperlinks
Export in PDF format
Export projected data in Lat/Long units
Specify DPI of exported GeoTIFFs
Extract Image Region retains georeferencing
Replace pixel colors on an image
Resize an imported image
Mosaic images into a single image
New image processing techniques (Edge Detection, Image Thinning,
Image Erosion and Dilation)
Reduce the number of colors in an image
Convert an image to black and white
Create Intersection Points
Difference of Polygons
Convert a set of points to a polyline, and vice versa
New Object Type
Assign elevations to a range of polyline objects
Set attributes by assigning new data attributes by selecting the
Rotate vector and text objects
Save and load calibration points to/from a data file
Save and load projection settings to/from a GSR file
New projections and datums
Zoom and scroll the plot window while digitizing
The Coordinate Conversion dialog has some new capabilities to define
a new destination coordinate system
Improved selection handling
Select from a list a different digitizing cursor shapes and colors
Enhanced graticule and grid settings
And many more!