Opened 11 years ago
Closed 11 years ago
#7488 closed enhancement (fixed)
plot3d? doesn't document plot_points option
Reported by: | was | Owned by: | was |
---|---|---|---|
Priority: | minor | Milestone: | sage-4.3 |
Component: | graphics | Keywords: | |
Cc: | Merged in: | sage-4.3.alpha0 | |
Authors: | William Stein | Reviewers: | Mike Hansen |
Report Upstream: | Work issues: | ||
Branch: | Commit: | ||
Dependencies: | Stopgaps: |
Description
On Wed, Nov 18, 2009 at 9:16 AM, Laurent <> wrote: > Hi. > > I'm writing the following code in order to plot sin(x^2+x^2) : > > var('x,y') > g(x,y)=sin(x**2+y**2) > plot3d(g(x,y),(x,-5,5),(y,-5,5)) > > My problem is that the result is quite bad because of the sampling : all > the points with x^2+y^2=pi/2 are not taken, so that I don't get > beautiful circles. > > How can I ask for a finer sampling, or to compute more intermediate points ? Use the plot_points option. Type "parametric_plot3d?" for more details: - ``plot_points`` - (default: "automatic", which is 75 for curves and [40,40] for surfaces) initial number of sample points in each parameter; an integer for a curve, and a pair of integers for a surface. Note that the documentation output by "plot3d?" doesn't even mention the plot_points option, which is why you're confused. William -- William > I'm sure there is an option to add, but I don't see in the documentation > which one. (I'm reading the Sage reference manual, version 4.1.1, Agust > 14 2009).
Attachments (1)
Change History (4)
Changed 11 years ago by
comment:1 Changed 11 years ago by
- Status changed from new to needs_review
- Summary changed from plot3d? doesn't document some important options, which causes confusion to plot3d? doesn't document plot_points option
comment:2 Changed 11 years ago by
- Reviewers set to Mike Hansen
- Status changed from needs_review to positive_review
comment:3 Changed 11 years ago by
- Merged in set to sage-4.3.alpha0
- Resolution set to fixed
- Status changed from positive_review to closed
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Looks good to me.