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EMData * | do_fft () const |
return the fast fourier transform (FFT) image of the current image. | |
EMData * | do_fft_inplace () |
Do FFT inplace. | |
EMData * | do_ift () |
return the inverse fourier transform (IFT) image of the current image. | |
EMData * | do_ift_inplace () |
std::string | render_amp8 (int x, int y, int xsize, int ysize, int bpl, float scale, int min_gray, int max_gray, float min_render, float max_render, float gamma, int flags) |
Render the image into an 8-bit image. | |
std::string | render_ap24 (int x, int y, int xsize, int ysize, int bpl, float scale, int min_gray, int max_gray, float min_render, float max_render, float gamma, int flags) |
Render the image into an 8-bit image. | |
void | render_amp24 (int x, int y, int xsize, int ysize, int bpl, float scale, int min_gray, int max_gray, float min_render, float max_render, void *ref, void cmap(void *, int coord, unsigned char *tri)) |
Render the image into a 24-bit image. | |
void | ri2ap () |
convert the complex image from real/imaginary to amplitude/phase | |
void | ap2ri () |
convert the complex image from amplitude/phase to real/imaginary | |
void | ri2inten () |
convert the complex image from real/imaginary to Intensity/0. | |
EMData * | bispecRotTransInvN (int N, int NK) |
This computes the rotational and translational bispectral invariants of an image. | |
EMData * | bispecRotTransInvDirect (int type=0) |
This computes the rotational and translational bispectral invariants of an image. | |
void | insert_clip (const EMData *const block, const IntPoint &origin) |
Insert a clip into this image. | |
void | insert_scaled_sum (EMData *block, const FloatPoint ¢er, float scale=1.0, float mult_factor=1.0) |
Add a scaled image into another image at a specified location. |
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convert the complex image from amplitude/phase to real/imaginary
Referenced by EMAN::EMData::ap2ri(). |
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This computes the rotational and translational bispectral invariants of an image. the output is a single 3d Volume whose x,y labels are lengths, corresponding to the two lengths of sides of a triangle the z label is for the angle |
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This computes the rotational and translational bispectral invariants of an image. The invariants are labelled by the Fourier Harmonic label given by N. fVec is the real input image NK is the number of Fourier components one wishes to use in calculating this bispectrum the output is a single 2D image whose x,y labels are lengths, corresponding to the two lengths of sides of a triangle |
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return the fast fourier transform (FFT) image of the current image. the current image is not changed. The result is in real/imaginary format.
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Do FFT inplace. And return the FFT image.
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return the inverse fourier transform (IFT) image of the current image. the current image may be changed if it is in amplitude/phase format as opposed to real/imaginary format - if this change is performed it is not undone.
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Add a scaled image into another image at a specified location. This is used, for example, to accumulate gaussians in programs like pdb2mrc.py. The center of 'block' will be positioned at 'center' with scale factor 'scale'. Densities will be interpolated in 'block' and multiplied by 'mult'.
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Render the image into a 24-bit image. 2D image only.
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Render the image into an 8-bit image. 2D images only. flags provide a way to do unusual things with this function, such as calculating a histogram of the rendered area.
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Render the image into an 8-bit image. 2D images only. flags provide a way to do unusual things with this function, such as calculating a histogram of the rendered area.
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convert the complex image from real/imaginary to amplitude/phase
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convert the complex image from real/imaginary to Intensity/0. This conversion cannot be reversed, and the image remains marked as R/I |