Met. Ferret sorting demo (1) Ferret sorting demo (2) Fast Fourier Transforms. This function looks for the minimum gridded value in the neighborhood x+/- XRANGE,. 2 is preserved in section 9. I grabbed the lines of data you provided to a file "strand. There are three scripts: creates a line following the Lagrangian track with color varying according to a Lagrangian variable. Thank you again Takaya Namba >From: Mick Spillane <spillane@pmel. PyFerret/Ferret v7. Readme Activity. 000:113293. This only needs to be done once in. 93, the color plot commands have a new key option, /KEY=HORIZONTAL which places the color key immediately above the plot. PT_IN_POLY (A,XVERT,YVERT) Returns flag: -1 where points of A lie outside, 0 if on an edge, 1 if inside the polygon defined by XVERT, YVERT. No packages published . The Kingfisher is the only service showing you areas where a high density of liquidations will take place. Some of these limits have been relaxed with successive Ferret versions as computing resources have expanded. PLOTPLUS HISTORY, EVOLUTION; ENHANCED COMMANDS DESCRIPTION; GKS LINE BUNDLES; HARD COPY; Previous Release Notes; Tutorials and Demos. SUBSTRING (string1, offset, len) STRCAT (string1, str2) STRFLOAT (string1) FLOATSTR (var, FMT) LABWID (string, charsize) SPAWN command. Levitus Tour. In simplest terms, PyFerret is Ferret encapsulated in Python. Sie können CAD-Plots, Schnittmuster, Stammbaumdrucke, Plakate, A4/A3 Drucke und digitale Akten, Fotos und Zeichnungen online bestellen und von 24 Stunden Express-Service, Bestpreisgarantie und kostenlosem Datencheck profitieren. 2. PLOTPLUS HISTORY, EVOLUTION; ENHANCED COMMANDS DESCRIPTION; GKS LINE BUNDLES; HARD COPY; Previous Release Notes; Tutorials and Demos. Bei plotplus. Note: HDF movies are discontinued with Ferret v6. Python 100. I have traced it only a small distance, and what I know is sketchy. (read from disk files or remote URLs) 2) user-defined variables. Last modified: Mon, 04/03/2017 - 17:31. 2 How point data is structured in Ferret. PyFerret is a Python module wrapping Ferret. Variables, regardless of kind, possess the following associated information: Graph Visualization Software. yml file If you like it give me a diamond and/or fav Let me know if you find bugs! Source: here The PlotPlus library can either use the Arduino hardware Serial (used by default) or any other stream, like SoftwareSerial or Serial2 to send the information to the plotting device. National Oceanic and Atmospheric Administration United States Department of Commerce. 6. 04, which uses Python2. nc" def axis/t=1:5:1 tax ; def grid/t=tax grd file/var=yy,mm,dd,vr1,vu1,vr2,vu2,vr3,vu3,vww,vsf,vuf/g=grd strand. As you may know Plotplus was/is a stand-alone plotting package before some, but not all, of its capabilities were incorporated into Ferret. > So try > ppl tics . jnl", etc. names the data set to be analyzed (alias for "SET DATA") SHOW DATA. Hi; I have a set of 3D (lat/long/time) data (ice margins) that I want to contour (without filling) with the same colour scheme as the palette used for some time-dependent point data that is being plotted with polymark. Is there a way (probably with some plotplus commands) to remove that right-hand axis and permit the vectors to be drawn to their full length outside of the axis boundaries? -Mike -- Mike McCann Software Engineer Monterey Bay Aquarium Research Institute 7700 Sandholdt Road Moss Landing, CA 95039-9644 Voice: 831. This is the ipynb file for my girlfriend climate plotting! About. Such data sets are referred to as "MC" (multi CDF) data sets. . 4) When the variable is defined, it inherits the attributes from an existing variable. 7. PLOTPLUS HISTORY, EVOLUTION. 4. Hello Gaorz, Ferret can overplot the locations of points on an existing chart using the plot/over/vs command. The procedure is repeated n-times, each step starts with the result of the previous step. 875 likes. Ferret Tour; DSG files: Discrete Sampling Geometries Demo; External Function Examples. When /LINE is specified the color key, by default, is omitted. It is currently supported only by special request to the Ferret developers. Their arguments are as. 13. Ferret sorting demo (1) Ferret sorting demo (2) Fast Fourier Transforms. Last modified: Wed, 03/13/2019 - 15:41. Some of the palettes are designed for particular needs. Ferret sorting demo (1) Ferret sorting demo (2) Fast Fourier Transforms. Alias for CONTOUR/FILL , color-filled contour plot. The first time you access an OPeNDAP data set, a file in the users home directory will be created called . There must be something that happened further up in the output of GenericLAS_debug. It contains all of the same features as the release of PyFerret 1. F to times2bad20. Shift transformation of string arrays. Filename. Hi Andrea, > Does anyone know how can I increase the font of the values in contour maps? I take it that you wish to increase the size/height of the contour labels. April 25, 2019. 4. If you really want to use the hlimits values in your example you must first turn off the calendar axis use monthly_navy_winds can mode calendar plot/hlimits=17598. When the STAT command runs, ferret automatically defines a. PLOTPLUS HISTORY, EVOLUTION; ENHANCED COMMANDS DESCRIPTION; GKS LINE BUNDLES; HARD COPY; Previous Release Notes; Tutorials and Demos. Spaces and tabs are optional. DAYS1900TOYMDHMS (day1900) Converts Julian days since 1-Jan-1900 to values year, month, day, hour, minute, second. 13. It is similar to the PALETTE command, which sets colors, but the PALETTE and PATTERN commands act independently. Ferret Tour; DSG files: Discrete Sampling Geometries Demo; External Function Examples. 3. Working with PyFerret's metadata-and-data dictionaries. FFT_RE and FFT_IM assume f (1)=f (N+1), and the user gives the routines the first N pts. . jnl files, but to invoke them needs the Plotplus @ command which is not part of Ferret. The PlotPlus LOG axis transforms (PPL AXTYPE) are not applicable to the2D plots (CONTOUR,VECTOR,SHADE, and FILL). This is precisely analogous to method 3 of handling collections of profiles. By default the function includes the -O and -h switches, for Override and history respectively. PlotPlus computer files should be submitted to the FOCI Coordinator. com sammelt fast alle plotplus rabattcode, gutschein, gutscheincode und Transaktionen. Ferret sorting demo (1) Ferret sorting demo (2) Fast Fourier Transforms. PLOT/ SYMBOL=DOT. 3 REGIONS. The CF standard describes these file types, and data written using Contiguous ragged array representation of Discrete Sampling Geometries is supported. Ferret supports "immediate mode" mathematical expressions‚ that is, numerical expressions that may be embedded anywhere within a command line. Here is an annotated example similar to frequency_histogram2. The command PPL can then be used to make changes to the plot prior to producing output with the PPL WIRE command. 1. Ferret sorting demo (1) Ferret sorting demo (2) Fast Fourier Transforms. jnl. Packages 0. Then you can either do the integration right away on that variable, or perhaps write the new variable to a netcdf file if it would simplify other tasks. If you try this demo you may not like the fact that the first and last year are curtailed. Ferret Fortran external functions call a number of subroutines defined in Ferret, such as ef_set_desc, ef_set_num_args, and ef_get_bad_flags. The identical syntax applies to symbols. 16!. 63 includes further support for Discrete Sampling Geometries datasets. One addition to Mick's excellent reply, just a note that the ppl commands are all documented in this on-line document:. de realisiert jedes DIN- oder Wunschformat bis zu 90,4 cm Druckbreite (kurze Seite), in der Länge bis maximal 400 cm. 系統:win10 64bits Arduino IDE: 1. The specified type is applied to all the variables given in the SAVE command. This function applies only to time in the standard, Gregorian calendar. Curvilinear data may be defined by a map. MIT license Stars. 8. The function STUDENT_T_CUTOFF is called by the script correlation_with_students_t_test. The HDF-5library used by NetCDF-4 does not contain the call that was used tomake these movies. Implement plotplus-develop with how-to, Q&A, fixes, code snippets. Display results as threads ! make_symbfonts : tables for all of the plotplus symbol fonts ! ! (note that @PM produces the plot marks that PlotPlus supports) def sym name Zodiac ; def sym font ZO ; go draw_symbfont def sym name Music ; def sym font MU ; go draw_symbfont def sym name Electrical ; def sym font EL ; go draw_symbfont There is a command called "ppl limits" I had hopes for but I didn't get it to work for vectors. The demos below are journal scripts only. Check out the latest issue of Farming for Wildlife and learn more about Kennys' Quest!PLOTPLUS HISTORY, EVOLUTION; ENHANCED COMMANDS DESCRIPTION; GKS LINE BUNDLES; HARD COPY; Previous Release Notes; Tutorials and Demos. Profiles and time series, although they are individually simple one-dimensional grids, have a non-gridded. Specifies the default data set to be used when computing statistics about the expression (s). All conventions named in that. gitignore","path. Example: apply filter to series after removing its. 1 inches. 1 /LEVELS qualifier . The command (alias) WHERE requests mouse input from the user, using the indicated click position to define the symbols XMOUSE and YMOUSE in units of the plotted data. 2 CREATING AN HDF MOVIE. Description: Demonstration of external functions for sort/sample: ! SORTI, SORTJ, SORTK, SORTL to obtain lists of indices of sorted data. 96 is a minor update to v6. For example:! Set up your plot PLOT/SET_UP/I=1:100 SIN(I/6) ! Remove label 1, the FERRET version number GO unlabel 1 !Words in bold below are defined in the glossary of this manual. This function is based on code written by Bill Gustafson at UC Davis. Ferret sorting demo (1) Ferret sorting demo (2) Fast Fourier Transforms. Starting with version 7. 3. Complex analyses in Ferret generally proceed as hierarchies of simple variable definitions. Attributes in the file informs Ferret that this is a Feature Collection organized as a Discrete Sampling Geometries dataset. To avoid this you could substitute ppl/set v ppl time,W197001010000,W198301010000 ; ppl plot where the start and end points of the time axis are specified in "Woods Hole format" Wyyyymmddhhmm - a blast from the PlotPlus past. From: Ansley Manke; Previous by thread: suppress the label "DATA SET: filename" at top of a contour plot; Next by thread: Re: Hard copy of Plotplus Character and Symbol Fonts [Thread Prev][Thread Next] -plotplus. Then CANCEL ATT/OUTPUT so that the history attribute is not written for variable sst2. The names of all these subroutines begin with ef_ and, of course, in Fortran are case-insensitive. Ferret Tour; DSG files: Discrete Sampling Geometries Demo; External Function Examples. 4 stars Watchers. Ferret sorting demo (1) Ferret sorting demo (2) Fast Fourier Transforms. business. The functions set the. de // Das Original Edewechter Landstraße 121 Oldenburg AUSGEZEICHNET. You can contact the company at 011 952 9900. (defined by the user with LET command) Both types may be accessed identically in all commands and expressions. See Chapter 9 of the CF standard for the details. Two special features are currently accessible through the USER command‚ objective analysis and scattered sampling of grids. Ferret Tour; DSG files: Discrete Sampling Geometries Demo; External Function Examples. The types are the NetCDF types DOUBLE, FLOAT, INT, SHORT, and BYTE. Files that contain FORTRAN record length headers must have all data aligned on a 4-byte boundary. This means that `VAR,RETURN=isize` for variables in the dataset return the correct. NetCDFallows the creation of data sets which are self-describing and platform-independent. Create a CDL (the ASCII NetCDF Description Language) file that describes the axes, grids, and variables of the desired output data set. - Breakout trade. Ferret sorting demo (1) Ferret sorting demo (2) Fast Fourier Transforms. where <file> is the name of the output file. PLOTPLUS HISTORY, EVOLUTION; ENHANCED COMMANDS DESCRIPTION; GKS LINE BUNDLES; HARD COPY; Previous Release Notes; Tutorials and Demos. The section of this users guide entitled "Arguments to GO tools" describes the syntax for checking and editing arguments. 首先你要了解 import 与 from…import 的区别。. Using the pyferret. Now compatible with PlotMe 0. This allows for easy generation. Show more activity. Dining Options. This work is largely based on the SimPlot Arduino library authored by my friend jantje who is also the author of Sloeber, the best IDE for Arduino out there! Once upon a time, there was SimPlot, a plotting tool working side by side with a plotting library available for many platforms, including Arduino. Dining Options. Permissive License, Build not available. From that point on in the session, this Ferret external function will be available for you to use. are common examples of "non-gridded" data. , 2002; Taylor et al. Users Guide. If XCAT is called with string arguments, Ferret runs XCAT_STR. The following set of examples illustrates these procedures:EOF_STAT and EOFSVD_STAT. The Network Common Data Format (NetCDF) is an interface to a library of data access routines for storing and retrieving scientific data. See the chapter "Computing Environment,". These plot symbols are listed and described in Chapter 6. 1 OVERVIEW. LIST SHAKEY will list current settings of the key. 00 964 votes plotplus. PLOTPLUS HISTORY, EVOLUTION; ENHANCED COMMANDS DESCRIPTION; GKS LINE BUNDLES; HARD COPY; Previous Release Notes; Tutorials and Demos. The new variable will have attributes such as units and title automatically defined from the existing one. 3. In Ferret, special symbols are accessed using Symbol fonts. 2. One can animate "on the fly" in an interactive sesion, or a sequence of Ferret plots can be stored and then animated. Ferret v6. 10. All qualifiers and restrictions are defined in the documentation for CONTOUR/FILL. Solution: The figure above was created with:. com. 5 to 5. The PlotPlus manual indicates that a backslash () is used to print over the previous character, but Ferret interprets as an escape character and so this method doesn't seem to work. These expressions are evaluated immediately by Ferret‚ before the command itself is parsed and executed. go down into the "times2bad20_init" section and change the description of the function. Below is an annotated version of the script land_detail_demo. 32 KiB. 1 SETTING UP TO RUN FERRET. PPLUS label commands. 2 below. This tour explores the Climatological Atlas of the World Ocean, compiled by Sydney Levitus. The domain ownership change will be made within a day. netCDFwas created under contract with the Division of Atmospheric Sciences of the. A more complete listing and complete descriptions of the functions can be found using the Python help command. Plotting software will be provided aboard Miller Freeman. In Plotplus there are "scripts", called . 4. 5 GO FILES. All installation information may be found in the PyFerret GitHub repository in this README file. CROSS Controls drawing of lines through the point x=0, y=0 on graph. Ferret sorting demo (1) Ferret sorting demo (2) Fast Fourier Transforms. 0 Bukkit / Spigot PluginsPlotPlus . Darüber hinaus gehören zu unserem. Ferret sorting demo (1) Ferret sorting demo (2) Fast Fourier Transforms. The PlotPlus library can either use the Arduino hardware Serial (used by default) or any other stream, like SoftwareSerial or Serial2 to send the information to the plotting device. PLOTPLUS HISTORY, EVOLUTION; ENHANCED COMMANDS DESCRIPTION; GKS LINE BUNDLES; HARD COPY; Previous Release Notes; Tutorials and Demos. (note that HDF movies are discontinued with Ferret V6. It takes any /skip and /columns qualifiers into account. Information about memory management for Ferret versions prior to v7. de ist ein Online-Shop für Plot-, Print- und Scan-Dienstleistungen in verschiedenen Formaten und Preisen. gif" extension; Ferret will automatically sense this as a request to create a GIF-formatted image file. 5. These can be used to modify or further annotate and decorate the plot before the graphic is actually generated. A number of useful symbols are automatically defined whenever Ferret sets up a plot. Produces a shorter listing involving less computation. Ch6 Sec5. USE. Ferret color controls for lines. Then, in Option 2 and Option 3, we show an easier way of doing this, using the pyferret script to start Python and PyFerret, but stay in (or return to) Python to work as a Python programmer. , 2008; Barouch and Korber, 2009; Korber et al. The latter will list all of the data that results from concatenating b [i=1:5] onto a [i=16:20]. 5. 1 OVERVIEW. 1 OVERVIEW. business. ORG. Plotplus bietet höchste Qualität in den Bereichen CAD-Plot, Posterdruck, Plan Scanservice und Digi Tarlton Electric & Clothing is working in Household appliances and goods, Electronic stores activities. Ferret Tour; DSG files: Discrete Sampling Geometries Demo; External Function Examples. In PyFerret, the SET TEXT/FONT= option is used to name a font. The mapping between the source and destination Z axes is a function of X,Y, and or T. 5. PyFerret is a Python module with functions that allow you to access Ferret's ability to easily retrieve, manipulate, visualize, and save data. Globally,. 1 watching Forks. The command could be placed in a . This file is the OPeNDAP client initialization file. PlotPlus. Plotting library compatible with Sloeber IDE and SimPlot The Sloeber Eclipse Plugin provides a 6 channels plotter interface base on the SimPlot packet format: this. Several of these data sets are used by the demonstration "GO" files, above. As you may know Plotplus was/is a stand-alone plotting package before some, but not all, of its capabilities were incorporated into Ferret. Last modified: Mon, 04/03/2017 - 17:31. In table form (above) each column represents a dependent variable; the column for "burden" and the column for "latitude" have equal status. Hi; I have a set of 3D (lat/long/time) data (ice margins) that I want to contour (without filling) with the same colour scheme as the palette used for some time-dependent point data that is being plotted with polymark. gov> >Subject: Re: Draw coastal line in different sea depth levels. 2 units. Computes count of scattered data in each bin of a regularly-spaced XYT grid. ipynb . Newer Than: Search this thread only; Search this forum only. ferret startup file or a settings script run at startup. ABSTRACT EXPRESSION (or VARIABLE) An expression which contains no dependencies on any disk-resident data is referred to as "abstract". {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"colormap","path":"colormap","contentType":"directory"},{"name":". Ferret Tour; DSG files: Discrete Sampling Geometries Demo; External Function Examples. You can modify this behavior with the following Ferret and PPLUS commands. My present. Documentation section, including release notes, this manual which is updated. 2. Search form. Ferret Tour; DSG files: Discrete Sampling Geometries Demo; External Function Examples. In the documentation, items in square brackets are optional. (read from disk files or remote URLs) 2) user-defined variables. When a Ferret Fortran external function was run by the traditional Ferret executable, the ef_ subroutines. This standard is a set of conventions adopted in order to promote the interchange and sharing of files created with the netCDF Application Programmer Interface (API). Additional symbols are also listed at the end of this. PlotPlus is now 100% compatible with PlotMe - Added "/pp reload" command. 3 DISPLAYING AN HDF MOVIE. ). The GO command understands a. Hi Frank, Thanks for posting back to the group with the answer. Ferret sorting demo (1) Ferret sorting demo (2) Fast Fourier Transforms. Data Visualization, data plots, graphs, charts with Python and PandasFILL. To: ferret_users@xxxxxxxxxxxxxxxxxxx; Subject: Closure on Averaging w/masked data; From: Steve Cocks <scocks@xxxxxxxxxxxxxxxxxx>; Date: Wed, 23 Jan 2002 09:33:54 -0600; Sender: owner-ferret_users@[email protected],. {"payload":{"allShortcutsEnabled":false,"fileTree":{"examples/PlotPlus":{"items":[{"name":"PlotPlus. @font selects "font" as the character or symbol font to. CANCEL ATTRIBUTE/OUTPUT (TIME). # Template for setting up a personal FERRET environment. 1 Hard copy: Ferret postscript and gif file output and PyFerret image files . Arduino可以方便地操作傳感器獲得傳感器數據,獲取數據之後我們比較關心的是數據可視化Arduino自帶有串口監視器和串口繪圖器,我還找到了其他3種適合於arduino串口數據繪圖的工具,這篇博客也當做個記錄,分別介紹這4種繪圖方法,傳感器數據是上. It. PyFerret (Ferret using Python and within Python) Release Notes for PyFerret and Ferret (What's new in the current release) For navigating, try the search capability at the upper right. This existing variable may be a file variable or a user-defined variable. You can contact the company by email at cisco@mics. jnl" script after setting up your plot. These labels may be removed using the "unlabel. PLOTPLUS HISTORY, EVOLUTION; ENHANCED COMMANDS DESCRIPTION; GKS LINE BUNDLES; HARD COPY; Previous Release Notes; Tutorials and Demos. section8_eof. The "low" labels would be months in a plot where months and years were the default, and "high" would be the year label(s). Below is a listing of the functions provided by the pyferret module at this time along with a brief description of the function. 09 - 17 Uhr Matplot++ is a graphics library for data visualization that provides interactive plotting, means for exporting plots in high-quality formats for scientific publications, a compact syntax consistent with similar libraries, dozens of plot categories with specialized algorithms, multiple coding styles, and supports generic backends. Description: Demonstration of external functions for Fast Fourier Transforms: The functions operate on the full time axis from the input grid without requiring the explicit time specification; if a subset of time is desired, specify that within the function call, see the Ferret documentation about Grid Changing Functions. These will generally be the fonts available on your system where PyFerret is running. Goal of this program is to assist debugging and development process. Often in Ferret command files the identical argument substitutions must be repeated at several points in the file. SHAKEY do_key, orient, klab_siz, klab_inc, klab_dig, klab_len, kx_lo, kx_hi, ky_lo, ky_hi. 2, when defining a Forecast Model Run Collection (FMRC) aggregation, a change is made to the time/forecast definitions. Heights of individual Movable Labels is > controlled by the Plotplus hlabs command as in > ppl hlabs n hlabn > where n is a movable label number and hlabn its. command line. FILL_XY. 7. 5. ) 看完这章之后对这个 from…import * 语句与 import 区别很是疑惑从别处看完解释理解如下。. I'd rather avoid doing the labelling by > hand, if possible. The collection of annotations is made up of three plotplus movable labels,always labels 1, 2 and 3. In many cases this is an adequate representation. Ferret Tour; DSG files: Discrete Sampling Geometries Demo; External Function Examples. See the documentation in chapter 5 Note on using a set of gif images to make a movie about creating animations. The command help (pyferret). It takes the form /LEVELS=levels_descriptor /LEVELS without an argument /LEVELS instructs Ferret to reuse the color levels from the last color plot /LEVELS=n specifying a simple numerical. DSG files: Discrete Sampling Geometries Demo. (See command SET MODE . 3. NetCDF was created under contract with the Division of Atmospheric Sciences of the National. nc. Time axes are also automatically formatted and used as needed. Track lines, "point data", etc. txt that identifies the problem. Ferret Tour; DSG files: Discrete Sampling Geometries Demo; External Function Examples. import 模块 :导入一个模块;注:相当于导入的是一个文件夹,是个相对路径。. Comments that include the digitized position are. import 模块 :导入一个模块;注:相当于导入的是一个文件夹,是个相对路径。. FFT_INVERSE (AR, AI) computes the inverse Fast Fourier Transform of the two frequency series AR and AI. ) Good Luck, Mick PS: While you have the movable label demo going, try the "arrow" and "line" options in selection. section9_comana. 1. This computation employs a spherical interpolation code written at GFDL; the Ferret developers are responsible for its implementation as an external function. Documentation of the netCDF API may be found in the NetCDF documentation. Variables are of 2 kinds: 1) file variables. BOX Controls drawing of a box around the entire plotting region. Ferret sorting demo (1) Ferret sorting demo (2) Fast Fourier Transforms. use your favorite editor to change each "pass_thru" to "times2bad20". Rating seal Top awards Germany's Trusted winners INFORMATION-CENTER All-In-One-Function. STATISTICS/PRECISION=. > Is there a way in Ferret to gain access to the global "title" attribute? Yes, it is in the PlotPlus symbol LABTIT (use "ppl listsym") and you can get at it using. 22 the YLIMITS qualifier became VLIMITS. View Team Plots Plus. There are additional arguments for positioning > the x and y tics > ppl tics,smx,lgx,smy,lgy,IX,IY > IX and IY are 1,0,-1 for tics inside, straddling, and outside the axis > with -1 as default. getPluginManager(). 9. 6 includes support for Discrete Sampling Geometries datasets, containing collections of Timeseries, Profiles, Trajectories, and Points. Ferret sorting demo (1) Ferret sorting demo (2) Fast Fourier Transforms. The /SET_UP qualifier disables the action of /LINE. Therefore it is best to use explicit limits on any of the arguments rather than a SET REGION command. The LABEL command may not locate the label correctly if it is issued before the plot is drawn. Hoyle, >Date: Fri, 14 Feb 1997 11:13:44 -0500 >From: address@hidden (hoyle lee) >Organization: Columbia University >To: address@hidden >Subject: Re: 970214: NetCDF. 2:1:0. In general the FRAME command is more flexible and we recommend its use rather than this qualifier. 5 COLOR. plotplus. 45 LIST/OUTTYPE may also be used for stream binary files with LIST/FORMAT=STREAM. Many palettes are included in the Ferret distribution. A quick reference to the most commonly used Ferret commands (typing "SHOW COMMANDS" at the Ferret prompt lists all commands): Command. gutschein-de. The /XPIXELS and /YPIXELS options to the FRAME command in PyFerret allows one to specify the pixel size of raster-type (PNG, JPEG) saved images. (defined by the user with LET command) Both types may be accessed identically in all commands and expressions. site. There are two modes for animating in Ferret. The key associates the colors or patterns used in the plot with the field values; its use is optional. 1.