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-<H2>DESCRIPTION</H2>
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+<h2>DESCRIPTION</h2>
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Visualization program which loads the isosurfaces previously calculated
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Visualization program which loads the isosurfaces previously calculated
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-using r3.mkdspf and displays them according to commands given at the prompt.
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-r3.mkdspf creates a dspf file from the 3D raster and r3.showdspf uses this
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+using <em>r3.mkdspf</em> and displays them according to commands given at the prompt.
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+<em>r3.mkdspf</em> creates a dspf file from the 3D raster and <em>r3.showdspf</em> uses this
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dspf file to draw isosurfaces and 3D raster map to draw planes and everything
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dspf file to draw isosurfaces and 3D raster map to draw planes and everything
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-related (boxes, etc).<br>
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+related (boxes, etc).
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+<p>
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Upon initialization of the program, two graphics windows are
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Upon initialization of the program, two graphics windows are
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-opened, one for the color table and the other for data display. The
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-display window initially contains a red bounding box. Command options
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+opened, one for the color table and the other for data display. The
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+display window initially contains a red bounding box. Command options
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are then printed to the terminal and user is prompted for drawing
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are then printed to the terminal and user is prompted for drawing
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instructions:
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instructions:
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-<BR>
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+<p>
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<pre>
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<pre>
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THE INTERACTIVE OPTIONS ARE:
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THE INTERACTIVE OPTIONS ARE:
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@@ -23,45 +23,45 @@ THE INTERACTIVE OPTIONS ARE:
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USAGE AND MEANING:
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USAGE AND MEANING:
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- <B>?</B> lists available thresholds
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- <B>l index# [index#...]</B> add threshold to display list
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- <B>L</B> Draw current display list
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- <B>t index#</B> reset so only this threshold is displayed
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- <B>T index# index#</B> show thresholds between hi & lo
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- <B>I</B> toggle thresholds INSIDE hi/lo or OUTSIDE hi/lo
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- <B>+(+++)</B> display thresholds with consecutively increasing index#
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- <B>-(---)</B> display thresholds with consecutively decreasing index#
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-
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- <B>x int#</B> absolute rotation around x-axis in degrees(int)
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- <B>y int#</B> absolute rotation around y-axis in degrees(int)
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- <B>z int#</B> absolute rotation around z-axis in degrees(int)
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- <B>r</B> rotate_model
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- <B>X int#</B> scale model in x
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- <B>Y int#</B> scale model in y
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- <B>Z int#</B> scale model in z
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-
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- <B>B(x,y,z)int#</B> begin display along (x,y,z) axis at #
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- <B>E(x,y,z)int#</B> end display along (x,y,z)axis #
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- <B>S int#</B> specular highlight control
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- <B>R</B> resets display along axis to show all data
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- <B>F <I>grid3name colortablename</I></B> load new color file
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-
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- <B>C</B> toggles the clear flag
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- <B>c</B> clears the display (no thresholds)
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- <B>s</B> swap buffers
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- <B>b</B> toggles draw a box
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- <B>g</B> toggles grid
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- <B>n</B> toggle surface normal direction
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-
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- <B>p</B> draw all walls
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- <B>p#</B> draw a wall: 1-top, 2-bottom, 3-east, 4-west, 5-north, 6-south
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-
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- <B>d</B> draw (implement the option)
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- <B>D</B> draw a solid defined by T(isosurface + parts of walls)
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-
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- <B>w</B> dump image to a file
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- <B>Q</B> QUIT
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- <B>h</B> help
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+ <b>?</b> lists available thresholds
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+ <b>l index# [index#...]</b> add threshold to display list
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+ <b>L</b> draw current display list
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+ <b>t index#</b> reset so only this threshold is displayed
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+ <b>T index# index#</b> show thresholds between hi & lo
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+ <b>I</b> toggle thresholds INSIDE hi/lo or OUTSIDE hi/lo
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+ <b>+(+++)</b> display thresholds with consecutively increasing index#
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+ <b>-(---)</b> display thresholds with consecutively decreasing index#
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+
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+ <b>x int#</b> absolute rotation around x-axis in degrees(int)
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+ <b>y int#</b> absolute rotation around y-axis in degrees(int)
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+ <b>z int#</b> absolute rotation around z-axis in degrees(int)
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+ <b>r</b> rotate_model
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+ <b>X int#</b> scale model in x
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+ <b>Y int#</b> scale model in y
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+ <b>Z int#</b> scale model in z
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+
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+ <b>B(x,y,z)int#</b> begin display along (x,y,z) axis at #
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+ <b>E(x,y,z)int#</b> end display along (x,y,z)axis #
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+ <b>S int#</b> specular highlight control
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+ <b>R</b> resets display along axis to show all data
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+ <b>F <I>grid3name colortablename</I></b> load new color file
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+
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+ <b>C</b> toggles the clear flag
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+ <b>c</b> clears the display (no thresholds)
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+ <b>s</b> swaps buffers
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+ <b>b</b> toggles draw a box
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+ <b>g</b> toggles grid
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+ <b>n</b> toggles surface normal direction
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+
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+ <b>p</b> draw all walls
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+ <b>p#</b> draw a wall: 1-top, 2-bottom, 3-east, 4-west, 5-north, 6-south
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+
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+ <b>d</b> draw (implement the option)
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+ <b>D</b> draw a solid defined by T(isosurface + parts of walls)
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+
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+ <b>w</b> dump image to a file
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+ <b>Q</b> QUIT
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+ <b>h</b> help
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enter desired manipulations then press return
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enter desired manipulations then press return
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>>
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>>
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@@ -69,56 +69,64 @@ THE INTERACTIVE OPTIONS ARE:
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</pre>
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</pre>
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<p>
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<p>
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-<H3>Hints:</H3>
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-<UL>
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-<LI>To navigate around the data, use the <B>r</B> command, then place
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+<h3>Hints:</h3>
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+<ul>
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+<li>To navigate around the data, use the <em>r</em> command, then place
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the mouse pointer in the graphics window and drag with the left mouse
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the mouse pointer in the graphics window and drag with the left mouse
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to rotate the bounding box. To zoom in and out, drag right or left
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to rotate the bounding box. To zoom in and out, drag right or left
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with the middle mouse. When satisfied with the new viewing
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with the middle mouse. When satisfied with the new viewing
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position, click with the right mouse.
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position, click with the right mouse.
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-<LI>To quickly view a series of isosurfaces, enter a series of + or -
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-characters, i.e. <B>+++++++</B>
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+<li>To quickly view a series of isosurfaces, enter a series of <em>+</em> or <em>-</em>
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+characters, i.e. <em>+++++++</em>
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-<LI>Scripts using above commands on separate lines may be
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-directed to r3.showdspf as standard input.
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-Use the <B>#</B> sign as the first character on a line to indicate a comment.
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-</UL>
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+<li>Scripts using above commands on separate lines may be
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+directed to <em>r3.showdspf</em> as standard input.
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+Use the <em>#</em> sign as the first character on a line to indicate a comment.
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+</ul>
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-<H2>EXAMPLE</H2>
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+<h2>EXAMPLE</h2>
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After generating a "dspf" control file with <em>r3.mkdspf</em> start
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After generating a "dspf" control file with <em>r3.mkdspf</em> start
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-<em>r3.showdspf</em>. Display/add the layers using "+".<br>
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+<em>r3.showdspf</em>. Display/add the layers using <em>+</em>.
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-List available thresholds with "?". Use "l" to select isosurfaces (available
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-number can be adjusted with <em>r3.mkdspf</em>) and "L" to display:<br>
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-<tt>l 1 2 3 4 5<br> L </tt> <p>
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+<p>
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+List available thresholds with <em>?</em>. Use <em>l</em> to select isosurfaces (available
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+number can be adjusted with <em>r3.mkdspf</em>) and <em>L</em> to display:
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+<br>
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+<tt>l 1 2 3 4 5<br> L </tt>
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+<p>
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To select and display a single threshold (here: 2), use:<br>
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To select and display a single threshold (here: 2), use:<br>
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-<tt>t 2</tt> <p>
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+<tt>t 2</tt>
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+<p>
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To select and display a range of thresholds (here: 3-5), use:<br>
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To select and display a range of thresholds (here: 3-5), use:<br>
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<tt>T 3 5<br>
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<tt>T 3 5<br>
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-D</tt> <p>
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+D</tt>
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+<p>
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To draw a box, enter<br>
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To draw a box, enter<br>
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<tt>p</tt><br>
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<tt>p</tt><br>
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the p# to plot a selected wall (here top wall):<br>
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the p# to plot a selected wall (here top wall):<br>
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-<tt>p1</tt><p>
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+<tt>p1</tt>
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+<p>
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Tp draw a cut-off box, define it's position<br>
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Tp draw a cut-off box, define it's position<br>
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<tt>Ex20</tt><br>
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<tt>Ex20</tt><br>
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<tt>p</tt><br>
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<tt>p</tt><br>
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-Here Ex20 defines the x coordinate of the end of the box.<p>
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+Here Ex20 defines the x coordinate of the end of the box.
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-In general - p draws a side of a box, E, B, define where that box starts or
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+<p>
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+In general - <em>p</em> draws a side of a box, <em>E</em>, <em>B</em>, define where that box starts or
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ends, so to make a fence diagram, the user draws sides of a series of boxes
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ends, so to make a fence diagram, the user draws sides of a series of boxes
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which have their starting (or ending) side shifting by a given interval.
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which have their starting (or ending) side shifting by a given interval.
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(this way the user can draw even more complex fence diagrams which have
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(this way the user can draw even more complex fence diagrams which have
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-perpendicular fences, by using Ey or By). It is sufficient to use only E or
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-B depending whether fence are drawn by using the end side or front side of a
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-box).<br>
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+perpendicular fences, by using Ey or By). It is sufficient to use only <em>E</em> or
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+<em>B</em> depending whether fence are drawn by using the end side or front side of a
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+box).
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+<p>
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To draw a fence, a sequence like this would be needed<br>
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To draw a fence, a sequence like this would be needed<br>
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<tt>Ex10<br>
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<tt>Ex10<br>
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p5<br>
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p5<br>
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@@ -129,7 +137,7 @@ p5<br>
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Ex25<br>
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Ex25<br>
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p5<br>
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p5<br>
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</tt>
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</tt>
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-
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+
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or the same would be<br>
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or the same would be<br>
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<tt>Bx10<br>
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<tt>Bx10<br>
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p6<br>
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p6<br>
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@@ -137,15 +145,15 @@ Bx15<br>
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p6<br>
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p6<br>
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Bx20<br>
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Bx20<br>
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p6</tt>
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p6</tt>
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-<p>
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+<p>
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The <em>p</em> is needed for the fence diagram, solids and boxes.
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The <em>p</em> is needed for the fence diagram, solids and boxes.
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-<H2>SEE ALSO</H2>
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-<EM><A HREF="r3.mkdspf.html">r3.mkdspf</A></EM>
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-<H2>AUTHORS</H2>
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-<SIGNATURE>Bill Brown,
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-<A HREF="mailto:brown@gis.uiuc.edu">brown@gis.uiuc.edu</A>
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-</SIGNATURE>
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+<h2>SEE ALSO</h2>
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+<em><a href="r3.mkdspf.html">r3.mkdspf</a></em>
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+<h2>AUTHORS</h2>
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+<signature>Bill Brown,
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+<a href="mailto:brown@gis.uiuc.edu">brown@gis.uiuc.edu</a>
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+</signature>
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<p><i>Last changed: $Date$</i>
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<p><i>Last changed: $Date$</i>
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