0
votes
1answer
186 views

Transforming an image as an object

The problem is following: I have a following animation: ...
0
votes
1answer
80 views

Combining an imported PDB file with a set of Graphics3D objects

Imagine we import a PDB file like so (using the example from ref/format/PDB in the help directory): ...
6
votes
2answers
331 views

How to show wireframes on imported Object / Mesh (.obj file)

I've managed to import a Wavefront (.obj) file and store it in a variable like so: ...
4
votes
2answers
267 views

Image Rotation, Line Symmetry

I'd like to import an image, superimpose it, reduce the opacity of the overlaid image, and then use a manipulate to rotate the top image to illustrate rotational symmetry. The image below is using ...
4
votes
1answer
130 views

How to prevent output truncation when importing large Graphics?

The Evaluation Preferences in Mathematica specify a maximum output size of 1048576 Bytes before truncation occurs. That makes a ...
3
votes
2answers
286 views

Extracting a single layer from a SHP file

I have an ESRI ShapeFile (SHP) that I've loaded. It has a number of layers which I can see the names of by using: Import["file.shp", "LayerNames"] I get ...
4
votes
0answers
138 views

Getting EPS imports to respect the original fill rule

One major problem in my attempt to answer to the CountryData flags question is that the way Mathematica handles filled curves differs from the way SVG and EPS style editors do. The latter two have the ...
6
votes
1answer
273 views

ESRI shape files

ESRI shape files (shp): importing the polygon data can yield a very large list. It is computationally intensive rendering the polygon. I have been trying to convert to ...
31
votes
5answers
4k views

How can I extract data points from a black and white image?

Consider the following graph (source): Is there any way to extract the data points from this image in a semi-automatic way? I have seen, and tried the methods suggested in this question, but they ...
49
votes
3answers
5k views

Recovering data points from an image

Unfortunately, some data can only be obtained in picture form (Japanese publications anyone?). Since this cannot be worked with, it has to be converted to a dataset that can; I was wondering whether ...