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authorThomas White <taw@bitwiz.org.uk>2010-06-05 21:16:45 +0200
committerThomas White <taw@bitwiz.org.uk>2010-06-05 21:16:45 +0200
commitfe514e5100c39c6b98110b400c0e7ee7da62b960 (patch)
tree49fa4f35d628c44a68c5be306555ef6c5d89f7f8 /src/pattern_sim.c
parent8ead809d4fb09047e7c146d405dbc0e97103ec3c (diff)
pattern_sim: Update help
Diffstat (limited to 'src/pattern_sim.c')
-rw-r--r--src/pattern_sim.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/src/pattern_sim.c b/src/pattern_sim.c
index c89da879..7e2b46fa 100644
--- a/src/pattern_sim.c
+++ b/src/pattern_sim.c
@@ -62,15 +62,21 @@ static void show_help(const char *s)
" --powder Write a summed pattern of all images simulated by\n"
" this invocation to results/integr.h5.\n"
" -i, --intensities=<file> Specify file containing reflection intensities\n"
-" to use.\n"
+" (and phases) to use.\n"
" -g, --gradients=<method> Use <method> for the calculation of shape\n"
" transform intensities. Choose from:\n"
" mosaic : Take the intensity of the nearest\n"
-" Bragg position.\n"
+" Bragg position. This is the\n"
+" fastest method and the only one\n"
+" supported on the GPU.\n"
" interpolate : Interpolate trilinearly between\n"
" six adjacent Bragg intensities.\n"
+" This method has intermediate\n"
+" accuracy.\n"
" phased : As 'interpolate', but take phase\n"
-" values into account.\n"
+" values into account. This is the\n"
+" most accurate method, but the\n"
+" slowest.\n"
"\n"
"By default, the simulation aims to be as accurate as possible. For greater\n"
"speed, or for testing, you can choose to disable certain things using the\n"