Graphics: Getting started

Plot a curve

Example:

Plot a curve as step function

Example:

Plot a curve with vertical bars

Example:

Plot a curve with arrows

Example:

Plot a curve defined by a function

Example:

2D vector field

Example:

2D vector field with colored arrows

Example:

Direction field of a 2D first order ODE

Example:

Level curves of a surface on a 2D plot

Level curves of a surface defined by a function on a 2D plot

Example:

2D plot of a surface using colors

Example:

2D plot of a surface defined by a function using colors

Example:

Smooth 2D plot of a surface using colors

Example:

Smooth 2D plot of a surface defined by a function using colors

Example:

Add a grid on a 2D plot

Example:

Add vertical error bars on a 2D plot

Example:

Plot a histogram

Example:

2D plot of a matrix using colors

Example:

Plot a surface

Example:

Plot a surface with gray or color level

Example:

Plot a surface defined by a function

Example:

Plot a surface defined by a function with gray or color level

Example:

Plot one curve

Example:

Plots curves

Example:

Level curves on a 3D surface

Example:

Level curves on a 3D surface defined by a function

Example:

3D representation of a histogram

Example:

Compute facets of a 3D surface

Example:

Compute facets of a 3D surface

Example:

Projection from 3D on 2D after a 3D plot

Example:

Draw a polyline or a polygon

Draw a set of polylines or polygons

Draw a regular polygon

Draw unconnected segments

Fill a polygon

Fill a set of polygons

Draw a rectangle

Fill a rectangle

Draw or fill a set of rectangles

Draw a part of an ellipse

Draw parts of a set of ellipses

Fill a part of an ellipse

Fill parts of a set of ellipses

Draw a set of arrows

Draw strings

Compute a box which surrounds strings

Draw strings into a box

Example:

Add titles on a graphics window

Example:

Add a title in the middle of a graphics window

Draw an info string in the message subwindow

Draw an axis

Pretty axis graduations

Plot a frame with scaling and grids

This function is obsolete.

Set scales for isometric plot (do not change the size of the window)

This function is obsolete.

Set scales for isometric plot (change the size of the window)

Affine transformation of a set of points

Rotation of a set of points

Set the sub-window of a graphics window for plotting

Divide a graphics window into a matrix of sub-windows

Get the current graphics scale

Transform real to pixel coordinates

Using colormaps

Dialog to select colors in the current colormap

Add new colors to the current colormap

Linear gray colormap

Red to yellow colormap

Set values of the graphics context

This function is obsolete.

Get current values of the graphics context

This function is obsolete.

Load a font in the graphics context or query loaded font

Dialog to select a symbol and its size

This function is obsolete.

Save graphics into a file

Load a saved graphics

Export graphics using the BMP format

Export graphics using the EMF format

Only under Windows.

Export graphics using the EPS format

Export graphics using the GIF format

Export graphics using the JPG format

Export graphics using the PDF format

Export graphics using the PNG format

Export graphics using the PPM format

Export graphics using the PS format

Export graphics using the SVG format

Clear or reset the current graphic figure (window) to default values

Clear a graphics window

Function xclear is obsolete.

Select a graphics driver

Initialisation of a graphics driver

Close a graphics session

Redraw the current graphics window with new boundaries

Suspend Scilab

Raise the current graphics window

Delete a graphics window

Return the list of graphics windows

Change the name of the current graphics window

Wait for a mouse click or an event in a graphic window

Mouse selection of a set of points

Get the mouse events and current position

Interactive graphics curve editor

Bode plot

Example:

Magnitude plot

Example:

Nyquist plot

Example:

Plot the complex plane iso-gain contours of y/(1+y)

This function is obsolete.

Example:

Hall chart

Example:

Nichols chart

Example:

Black's diagram

Example:

Evans root locus

Example:

s-plane grid lines

Example:

pole-zero plot

Example:

zgrid plot

Example: