Ncl polygon

Ncl polygon. Missing values can not be used to create discontinuities or unfilled areas of a polygon. These can be multi-dimensional arrays with the rightmost dimension containing the polygon data. Li, I've filed an official ticket on this (NCL-1065 for your reference). If we can’t locate your reservation How to run the examples. Adam On 07/13/2012 02:35 PM, Manisha Ganeshan wrote: > Hello, > > Is there a NCL function that can compute the indices of all points > lying inside a pre-defined polygon? For example, I have used > gsn_add_polygon function to draw a polygon on a contour map, but I now Apr 16, 2007 · > Dear NCL users, > > I'm trying to add a polygon to a XY plot to enhance a specific region of > the plot. >> To fix this, use the "where" function to add 360 to all longitude values less than 360: Apr 21, 2014 · dummy1 = gsn_add_polygon(wks,plot(0),x,yp,gsres) ; draw a polygon below the original array (array-stand deviation) I attached the plot of what happens when I compile my code. Weekend getaways and great cruise specials. A variable containing an optional list By default, gsn_histogram will pick the bin intervals for you, using either a set number of bins or a bin width. This function will extrapolate beyond data boundaries and, as always, extrapolated values should be used with caution. and Book Norwegian. ncl: This is the simplest panel plot. NCL polygon and cube shape logo design. Attaches a series of plots to a base plot. Jul 23, 2012 · Reply: David Brown: "Re: opac polygon around a data field (rotated grid)" Contemporary messages sorted : [ By Date ] [ By Thread ] [ By Subject ] [ By Author ] [ By messages with attachments ] This archive was generated by hypermail 2. coordinate variables time, lat, and lon. An (optional) instance of the Resources class having GraphicStyle resources as Jul 17, 2012 · I put the plot there only to show that the polygon > lies within the lat/lon range of the grib file. ) Reference Cards. ;--missing value else print ("WARNING: variable wet_c doesn't exist --> no masking") end if;--calculate the latitude and longitude values vlon = f-> clon_vertices * rad2deg vlon = where (vlon. The marker style is changed using an integer from 0 to 16. Attaches text strings to the given plot. ; - Drawing a custom labelbar on a map ; - Drawing filled polygons over a Lambert Conformal plot ; - Drawing the US with a Lambert Conformal projection ; - Zooming in on a particular area on a Lambert Conformal map Attaches a filled polygon to the given plot. allured at noaa. 1 was released. My objective is to plot the frequency of extremely severe cyclonic storms against the storm year. unique_11. ;----- ;-- Script: ICON_add_polygon_triangles. Previously, drawing a polyline around the equator, for example, could be specified using 2-element arrays. Is there a particular > direction (clockwise/anti-clockwise) that the polygon indices need to Next message: [ncl-talk] Minor concerns for the "num" function Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] The issue is resolved by setting : res at gsnYRefLine = -1 ; reference line On Tue, Aug 13, 2019 at 10:59 PM Toni Klemm < toni-klemm at tamu. 0 and polygons. The plots are paneled using gsn_panel. Subsequent examples demonstrate these features. ; - Manually creating a legend. Mar 10, 2021 · It draws only a single polygon per call, and you must specify all vertices of the polygon. An array of text strings to draw on the workstation. Attaches shapefile point data to the given plot(s) using polymarkers. The ability to attach the shapefile polymarkers to multiple input multiple plots was added in V6. However, when I use gsn_add_polygon, the polygon hides the XY > graph. Reference Manual. This function reads in the given shapefile using addfile, reads the lat/lon information off the file, and attaches the lat/lon segments as polymarkers to the given plot (s) using gsn_add_polymarker . y. Use poisson_grid_fill to fill the missing regions. Hi Michael, Your list of lat/lon points are over a very, very small area (latitude Nov 16, 2010 · NCL is basically filling in the outside of the circle, based on the large values you gave it. ncl / France_3. See the "get_latlon_bounding_polygon" and "create_mask_array" functions. 개념은 이들과 비슷하며 gsn_add_polymarker 함수를 써주면 된다. Attaches shapefile point data to the given plot (s) using polymarkers. ncl / France_2. For example: draworder_1. If a missing value is encountered in the text strings or x/y values, then no text string will be drawn at this pair. The NCL code for the examples in this chapter all have the name gsun#n. Ltd, the Mar 26, 2011 · >>> I want to plot many spherical polygons filled with color that cover the whole sphere, but NCL fills some polygons wrongly, that is the entire map has been filled except the polygons. ;***** ; shapefiles_1. 0 in which missing text strings were showing up in the plot as the missing Mar 25, 2011 · From: Mary Haley <haley_at_nyahnyahspammersnyahnyah> Date: Fri Mar 25 2011 - 09:55:46 MDT. NCL monogr - 2RGY734 from Alamy's library of millions of high resolution stock photos, illustrations and vectors. gov Wed Mar 10 06:04:23 MST 2021. pt = arr(:, {plat},{plon}) printVarSummary(pt) Finally: If you have not done so I would highly recommend you read through. cnLevelSelectionMode = "ManualLevels". polymarker가 원하는 load "$NCARG_ROOT/lib/ncarg/nclex/gsun/gsn_code. For example, to bin values between 1 and 2, 2 and 5, and 5 and 7, you would set gsnHistogramBinIntervals to (/1,2,5,7/). 4, 0. But I face the following error, and the barplot is not generated. Note: there is a potential incompatible change in NCL version 6. A combination of the Mini-Language Manual with an excellent introduction to NCL graphics. ; - Attaching polylines to an XY plot. A polygon is regular if all of its edges are the same length and all of its angles have the same measure. An endpoint of an edge a vertex. Previous message: [ncl-talk] Drawing several polygons on a xy plot Next message: [ncl-talk] No coordinates to coordinate Messages sorted by: Descriptions of each type of polygon found in this feature class can be found on Page 21 of the National Landscape Conservation System (NLCS) Implementation Guidelines (Version 1. gsn_add_text. The Bureau of Land Management's National Conservation Lands include 19 national monuments in nine western states. Figure 1: The Contact Manifold In a discrete physics system, this poses a problem as collisions are only detected after the two objects are already overlapping. regards, Alex _____ ncl-talk mailing list A plot to add the cone of influence polygon to. The NCL script used to plot the shapefile > > I suspect that a more nuanced approach may be needed to produce the proper > visualization. Welcome to Norwegian Central. [변수명] = gsn_add_polygon (wks,plot,x,y,res) * polygon과 polyline 이외에 원하는 위치에 점을 찍어주는 polymarker도있다. Sep 26, 2012 · The section of code that deals with the polygon creation and addition to the map are lines: 235-240, and the map creation part is lines 350-450. The ability to attach the shapefile polylines to multiple France_1. Apr 20, 2024 · In terms of this new clause, it means that if you have any kind of dispute to settle with Discord, you can’t sue them or join a class-action lawsuit of other affected users. 2. not. But, I can see why it would be useful to be able to pass an array of plots, so I'll add this to our list of things to do. 0 on a Description. The identifier returned from calling Ngl. polar_2. edu > wrote: > Hi David, > > Have you tried setting your wind thresholds [ncl-talk] 回复： no value at the equator and additional line using gsn_add_polygon 刘振 286909655 at qq. There's a third function called gsn_csm_map_ce, but it simply calls gsn_csm_map under the hood, which defaults to a cylindrical equidistant map projection unless mpProjection Attaches a polyline to the given plot. Code and figure are attached. I am using NCL 6. 0. 6, 0. Mask array of any type and dimensionality, but must have at most the same dimensionality as array, and its dimension sizes must correspond to array as defined below. >>>> To fix this, use the "where" function to add 360 to all longitude values less than 360: There is a potential incompatible change with gsn_polyline, gsn_add_polyline, gsn_polygon, and gsn_add_polygon in NCL version 6. 3, 0. This results not in a 2D surface area where the two objects are touching, but rather a 3D volume by which they have already interpenetrated. Attaches shapefile polyline or polygon data to the given plot (s) using polylines. ncl ; ; Concepts illustrated: ; - Adding lines, markers, and polygons to a map ; - Using drawNDCGrid to draw a nicely labeled NDC grid ; - Using If ; set to False, then all options will be ignored. These examples are generated by routines that are part of the low-level TDPACK package, which is a group of Fortran and C callable routines for projecting objects from a 3-dimensional coordinate system having U, V, and W axes to a 2-dimensional projection plane having NCL Diagram: Polygons, Polymarkers, Polylines, Text This page describes as to use various primitive drawing routines to add markers, lines, filled areas (polygons), and text on an existing plot otherwise anywhere outside a plot (known as " NDC outer " or the "frame"). Actually, I need to extract the data as ASCII or CSV file of the selected polygon box Kunal Bali Research Scholar Radio & Atmospheric Science Division CSIR - National Physical Laboratory New Delhi - 110012 India On Fri, May 27, 2016 at 5:35 PM, Guido Cioni <guidocioni at gmail. If you set this resource, then it will use these values for the bin class intervals. ncl ; ; Concepts illustrated: ; - Drawing filled boxes on a map plot using different methods ; - Attaching filled boxes to a map plot ; - Zooming in on a particular area on a Lambert Conformal map ; - Turning on edges for polygons ; - Attaching filled polygons to a map ; - Changing the color of a filled polygon ; - Using gc_latlon to create a straight box on a map ; - Turning The visualization that results from the gsn_add_shapefile_polygons > function > 4. com Fri Oct 13 12:25:25 MDT 2017. ;***** ; polyg_8_lbar. Previous message: [ncl-talk] Drawing several polygons on a xy plot Next message: [ncl-talk] Drawing several polygons on a xy plot Messages sorted by: Nov 15, 2010 · NCL is basically filling in the outside of the circle, based on the large values you gave it. 9 [ncl-talk] Drawing several polygons on a xy plot Giorgio Graffino g. open_wks . It is assumed that the polygons do not cross themselves and the vertices can be contained in a hemisphere. 4. or a 2D polygon. I figured out the problem. ncl ; ; Concepts illustrated: ; - Reading shapefiles ; - Plotting data from shapefiles ; - Using shapefile data to plot unemployment percentages in the U. May 26, 2022 · A polygon is a closed plane figure with three or more straight sides called edges. Map Only Templates. It has no way of knowing that you want the short distance. An easier approach might be simply to set the resource mpGreatCircleLinesOn to True. gsn_add_shapefile_polymarkers. Describes the . Dear all, I want to plot many spherical polygons filled with color that cover the whole sphere, but NCL fills some polygons wrongly, that is the entire map has been filled except the polygons. If not, please respond to ncl-talk. graffino at tim. plat = 35. Create a string that uses single quotes (sq) to enclose command line assignment (CLA) statements for later use by NCL's system procedure. The ability to attach the shapefile polylines to The dim_stddev_n function computes the sample standard deviation of all elements of the dimensions indicated by dims for each index of the remaining dimensions. It looks to me that the polygons are drawn to the time series of "AM_1+st deviation" and not to the AM_1. gsn_blank_plot. ; [default is to use the Ngl. it Wed Mar 10 03:19:45 MST 2021. . ganeshan86_at_nyahnyahspammersnyahnyah> Date: Tue Jul 17 2012 - 12:52:52 MDT. 1, 0. x. Attaches shapefile polyline or polygon data to the given plot(s) using polylines. A scalar mask value which must be the same type as marray, or Jan 21, 2009 · From: Adam Phillips <asphilli_at_nyahnyahspammersnyahnyah> Date: Wed, 21 Jan 2009 12:13:34 -0700. ; - Drawing text on the frame. Evaluates the inverse chi-squared distribution function. 5. grid_fill_1. For scatter plots or xy plots that include markers in addition to lines, use xyMarker or xyMarkers (more than one line on a plot). My problem is that > gc_inout does not produce any 'True' value, meaning that the output > suggests all points lie outside of the polygon. com> wrote: > Dear Kunal, > I didn’t answer to the first email because I am Polygon provides the latest news, reviews, and insights on video games, TV shows, movies, tabletop games, anime, and comics. If you have more than one WRF-ARW file, use addfiles . The "geometry_type" global attribute of the shapefile must be "polygon". Sep 28, 2015 · An example: ; arr is a 3 dimensional array ordered time x latitude x longitude with. I needed to reshape the polygon indices into an Once you’ve booked your Norwegian cruise, " Register " for an account or " Log In to My NCL " to explore and plan all of the wonderful things you can do every night of your vacation. Mar 24, 2011 · From: Li Dong <dongli_at_nyahnyahspammersnyahnyah> Date: Thu Mar 24 2011 - 03:43:42 MDT. Appended below is the script I'm using. Previous message: [ncl-talk] no value at the equator and additional line using gsn_add_polygon Next message: [ncl-talk] no value at the equator and additional line using gsn_add_polygon Mar 10, 2021 · [ncl-talk] Drawing several polygons on a xy plot Dave Allured - NOAA Affiliate dave. Missing values ( data @ _FillValue) are ignored. 0, when attaching lines or polygons to a map. 1). There's a separate page showing how to create NCL plots of WRF output data in 3D. marray. 2, 0. (Note: this only gsnPolar = "NH". Draws a polygon on an existing plot. There are two main NCL functions for creating just maps: gsn_csm_map. These examples are also included when you download NCL, and you can generate them with the This page describes how to use NCL to read and plot data and diagnostics calculated from WRF-ARW files. This function reads in the given shapefile using addfile, reads the lat/lon information off the file, and attaches the lat/lon segments as filled polygons to the given plot (s) using gsn_add_polygon. The dim_standardize function calculates and removes the mean from all elements of the n -1th (rightmost) dimension. 0, 0. ncl ;-- ;-- Description: - read ICON data and plot the triangles using ;-- contour plot levels and colors informations Mar 10, 2021 · [ncl-talk] Drawing several polygons on a xy plot Dave Allured - NOAA Affiliate dave. Example pages containing: tips | resources | functions/procedures Plot Type Examples The following pages contain NCL scripts and graphics that you can download and use. plon = 15. I have asked this question some time ago: ;***** ; polyg_13. Three plots are draw and then placed on the page. ;----- ; polyg_18. This function returns the sample standard deviation of the input data, regardless of dimensionality. Jul 13, 2012 · Hope that helps. . Could > >anyone, > >especially an NCL developer, comment on whether this is a bug? Any other > >suggestions on a workaround would also be great. Apr 22, 2014 · > dummy1 = gsn_add_polygon(wks,plot(0),x,yp,gsres) ; draw a polygon below the original array (array-stand deviation) > I attached the plot of what happens when I compile my code. Thanks, Nisha _____ ncl-talk mailing list Jul 23, 2012 · From: David Brown <dbrown_at_nyahnyahspammersnyahnyah> Date: Mon Jul 23 2012 - 11:50:32 MDT. The identifier is one returned either from calling gsn_open_wks or calling create to create a Workstation object. ) var @_FillValue =-999. NhlNDCPolygon draws the polygon defined by the pair of vectors x and y using either a single style object or the corresponding style object from the style parameter. 0 and later, when attaching lines or polygons to a map. The coordinates are drawn as a polygon clipped to the viewports of each HLU plot object in the objects array. Feb 5, 2018 · Next message: [ncl-talk] calculate area of polygon box Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] Dear Dennis Sir, Thanks for this suggestion. One-dimensional (masked) NumPy arrays or Python lists containing the x, y coordinates of the polygon. Technically, this function calculates the sample standard deviation. In most instances, the user will also want to add a common title or label bar. > > > >Best regards, > >Michael > > Jul 13, 2012 · Is there a NCL function that can compute the indices of all points lying inside a pre-defined polygon? For example, I have used gsn_add_polygon function to draw a polygon on a contour map, but I now wish to find an average value of a quantity over points lying inside this polygon. ncl, where # is the example number (01, 02, , 10, 11, etc). This is a typical plot that people see in papers of climate studies. 1. Previous message: [ncl-talk] Drawing several polygons on a xy plot Next message: [ncl-talk] Drawing several polygons on a xy plot Messages sorted by: Jan 15, 2013 · Reply: Mary Haley: "Re: Multiple polygons on panel plots (lat,lon)" Contemporary messages sorted : [ By Date ] [ By Thread ] [ By Subject ] [ By Author ] [ By messages with attachments ] This archive was generated by hypermail 2. These values are often called standardized anomalies. hluresfile which controls your NCL graphical environment. mvalue. ncl: Adds some intrinsic labels, manually sets the contour values, and creates a panel plot. 8 : Sat Jan 19 2013 - 10:23:16 MST Aug 13, 2019 · I am trying to make a bar plot using IBtracs cyclone data. Data is uploaded through FTP. gsn_add_polymarker Attaches polymarkers to the given plot. The Next message: [ncl-talk] gsn_polygon_ndc Messages sorted by: Hi, I don't have any trouble using 6. 0, and how much routines like gsn_add_shapefile_polygons, gsn_add_shapefile_polylines, gsn_add_polyline, gsn_add_polygon have been sped-up in version 6. Notice how those mystery lines fade as they approach (0,0). Meanwhile, you will need to make "dum" big to be (# of plots) x 4: nplots = dimsizes (plots) dum = new (nplots*4,graphic) Jul 17, 2012 · From: Manisha Ganeshan <manisha. chiinv. All the tools you need to Learn, Promote. Use of NCL to generate 3-dimensional plots. There are special resources that you can use in gsn_panel to control the location and appearance of paneled plots: By default, the paneled plots will fill up as much of a unit square as possible. A variable containing an optional list of polyline Description. Arrays of the same size as text containing the X and Y coordinates of the text strings, which must be normalized device coordinates (NDC) . The time values corresponding with the coi values. If you don't set this, the polygon will mask part of the line. Sample of all the NCL map projections with contours overlaid. S. Missing values are ignored. It can be an identifier created by using one of the many gsn functions, or by calling create to create a View object. It then standardizes the rightmost dimension by dividing the resulting deviations from the mean by the standard deviation of the rightmost dimension. This script plots daily index highlighted with polygons year by year. But, gsn_polygon > isn't appropriated for multi panels plot, so I would like to make these > plots with gsn_add_polygon. 5, 0. However, I >>> cant seem to get the lat/lon values inside the polygon using gc_inout. This change affects gsn_polyline, gsn_add_polyline, gsn_polygon, and gsn_add_polygon. For example: mask_18. This function reads in the given shapefile using addfile, reads the lat/lon information off the file, and attaches the lat/lon segments as polylines to the given plot (s) using gsn_add_polyline. I've narrowed it down to two polygons: panel_1. Recommended for users who are just learning NCL, or users who want to create more high-end NCL graphics. The text strings will be drawn only when the plot is drawn. Description. ismissing (data)) May 8, 2022 · Polygon caught up with Fils-Aimé a few weeks ago to talk about the book, highlights from his career, Because everyone wants to please you, even the folks at NCL [Nintendo Co. polygon. Nov 16, 2010 · NCL is basically filling in the outside of the circle, based on the large values you gave it. The arrays must agree in number of dimensions and dimension sizes. This means that it divides by one less than the total number of non-missing values (1 This function attaches a list of text strings to the given plot. ncl: This example shows how to create a lat/lon polygon from the boundary of a lambert conformal plot, and then use this polygon to mask data with gc_inout. If this is within the capabilities of NCL, I would > appreciate any assistance you can offer. ncl" begin ;----- Define original data and initial weighting array ----- xi = (/0. Links are provided from each example section so you can download these examples from the web. ncl: For demonstration purposes, create a grid using generate_2d_array; then use array syntax to set regions to missing values [_FillValue]. 0, vlon + 360, vlon);--lon: 0-360 vlat = f-> clat_vertices * rad2deg wks = gsn_open_wks ("png", "plot_ICON_triangles");--open Description. A Workstation identifier. Enjoy Freestyle cruising with Norwegian Cruise Line. The data being masked is a simple 2D array which has coordinate arrays. To fix this, use the "where" function to add 360 to all longitude values less than 360: Jan 15, 2013 · Hi, You can only attach lines to one plot object at a time, so that's why plot (0) works and not plot. For example: Jul 17, 2012 · >>> script to determine points lying inside a polygon. 3. ncl: This script shows how to create a series of XY plots attached along the X and Y axes, with specific areas filled for emphasis. ncl: The purpose of this example is to demonstrate the use of the gsSegments and gsColors resources added in added in version 6. gsn_csm_map_polar. A bug was fixed in NCL V6. The "geometry_type" global attribute of the shapefile must be "polygon" or "polyline". A plot identifier created by using one of the many gsn functions, or by calling create to create a View object. lt. ncl ; ; Concepts illustrated: ; - Drawing a scatter plot on a map ; - Changing the marker color and size in a map plot ; - Plotting station locations using markers ; - Manually creating a labelbar ; - Adding text to a plot ; - Generating dummy data using "random_uniform" ; - Binning data ;***** ; ; This example creates some dummy station data, ; and then plots each value Nov 15, 2010 · NCL is basically filling in the outside of the circle, based on the large values you gave it. > Next message: [ncl-talk] issue with gsn_add_polygon Messages sorted by: Very nice plots. gsn_attach_plots. ; ; "opt" can have the following attributes: ; ; "keep" - Whether to keep the values in the given shapefile ; areas or toss them. This will cause the polygon to be attached to the given plot, and hence automatically resized when the plot is resized. Attaches polymarkers to the given plot. ; - Attaching filled polygons to an XY plot. Polygons each have a special name based on the number of sides they have. gov Wed Mar 10 11:14:07 MST 2021. ncl: This example shows how to attach a polygon to an XY plot, setting tfPolyDrawOrder to "Draw" to force the polygon to be drawn first (the default is "PostDraw"). A Python version of this projection is available here . gsn_add_polyline Attaches a polyline to the given plot. ; [default True] ; ; "shape_var" - Name of variable on shapefile that contains the ; string names of specific areas you want to mask. Some Python versions of NCL examples referenced are available on the GeoCAT-examples webpage. In the map creation part I am simply creating 4 different maps with different titles and color tables and it is the 3rd map "biomass fore emissions" where I am attempting to add polygons. The videos on this page walk you through important things to know before you go and things to do on land and on board. The simplest approach is to draw multiple polygons, one narrow rectangle for each year on the X axis. However, it appears to >>> produce false results. gsn_csm_contour_map_polar is the plot interface that draws a contour plot over a polar stereographic map. ; - Turning off the top and right axes borders. Attaches shapefile polygon data to the given plot (s) using randomly-filled polygons. To determine the number of data points used to calculate the standard deviation, use: N = num (. I am reading the polygon lat/lon values from a text >>> file, and am able to plot it successfully on a pre-defined map. The vectors x and y contain values in NDC units. Arrays of the same size as text containing the X and Y coordinates of the text strings, and must be in the range of the X/Y coordinates of the data in plot. text. Aug 23, 2016 · polygon과 같지만 안에 채우는 것을 빼고 선만 그려준 것이라 생각하면 된다. NCL Home> Application examples || Data files for some examples. Multi-dimensional arrays of the same length containing the X and Y coordinates of the polyline, which must be normalized device coordinates (NDC) . ; - Paneling five plots on a page. To read WRF ARW data and/or calculate certain diagnostics, you need two functions: addfile - this function opens a WRF-ARW NetCDF file so you can read data or calculate diagnostics. Note: this script requires a bug fix that was added after V5. cla_sq. Main array of any type and dimensionality, but must be a super set of the dimensionality of marray. Paneling control. To force the paneling to only use part of the unit square, set one or more of the following resources: Latitudes and longitudes, in degrees, of the vertices of a spherical polygon. gsn_add_shapefile_polylines Attaches shapefile polyline or polygon data to the Apr 30, 2009 · > >mpCenterLonF) by even one degree, the problem disappears and the polygon > >appears > >on the plot as expected. You can change the marker style by using gsMarkerIndex for markers associated with polymarkers or gsn_add_polymarker , gsn_polymarker, gsn_polymarker_ndc . The data array (returned from the wavelet function); it must contain a "coi" attribute. I only could draw this graph with gsn_polygon. Dear Guido Thanks for the information. Try the example from the web page: Cruise deals for Alaska, Hawaii, Bahamas, Europe, or Caribbean Cruises. The id of the plot which you want to draw the polygon on. An array of text strings to draw on the plot . ; Concepts illustrated: ; - Drawing multiple bar charts on a page. > To fix this, use the "where" function to add 360 to all longitude values less than 360: Coerces values of type character to values of type string ( deprecated; use tostring ). Detailed document on NCL core language (syntax, variables, data types, array subscripting, command line options, etc. gsn_add_shapefile_polygon Attaches shapefile polygon data to the given plot(s) using randomly-filled polygons. 0, vlon + 360, vlon);--lon: 0-360 vlat = f-> clat_vertices * rad2deg wks = gsn_open_wks ("png", "plot_ICON_triangles");--open ) var @_FillValue =-999. gsn_panel is the plot interface that creates panel plots. NCL hexagon vector logo template white and black colors. 8 : Tue Jul 24 2012 - 09:48:26 MDT NCL graphics examples page. yp ho ak ke xv mc sm ab mf jv