diff options
Diffstat (limited to '')
-rw-r--r-- | www/images/btreemodule_delete1.svg | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/www/images/btreemodule_delete1.svg b/www/images/btreemodule_delete1.svg new file mode 100644 index 0000000..06fa608 --- /dev/null +++ b/www/images/btreemodule_delete1.svg @@ -0,0 +1,238 @@ +<?xml version="1.0" encoding="UTF-8" standalone="no"?> +<!-- Created with Inkscape (http://www.inkscape.org/) --> +<svg + xmlns:dc="http://purl.org/dc/elements/1.1/" + xmlns:cc="http://creativecommons.org/ns#" + xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" + xmlns:svg="http://www.w3.org/2000/svg" + xmlns="http://www.w3.org/2000/svg" + xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd" + xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape" + width="900" + height="230.93105" + id="svg3406" + sodipodi:version="0.32" + inkscape:version="0.46" + version="1.0" + sodipodi:docname="btreemodule_delete1.svg" + inkscape:output_extension="org.inkscape.output.svg.inkscape"> + <defs + id="defs3408"> + <marker + inkscape:stockid="Arrow1Lend" + orient="auto" + refY="0" + refX="0" + id="Arrow1Lend" + style="overflow:visible"> + <path + id="path3355" + d="M 0,0 L 5,-5 L -12.5,0 L 5,5 L 0,0 z" + style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt;marker-start:none" + transform="matrix(-0.8,0,0,-0.8,-10,0)" /> + </marker> + <inkscape:perspective + sodipodi:type="inkscape:persp3d" + inkscape:vp_x="0 : 526.18109 : 1" + inkscape:vp_y="0 : 1000 : 0" + inkscape:vp_z="744.09448 : 526.18109 : 1" + inkscape:persp3d-origin="372.04724 : 350.78739 : 1" + id="perspective3414" /> + </defs> + <sodipodi:namedview + id="base" + pagecolor="#ffffff" + bordercolor="#666666" + borderopacity="1.0" + gridtolerance="10000" + guidetolerance="10" + objecttolerance="10" + inkscape:pageopacity="0.0" + inkscape:pageshadow="2" + inkscape:zoom="1.41" + inkscape:cx="389.70903" + inkscape:cy="136.54327" + inkscape:document-units="px" + inkscape:current-layer="layer1" + showgrid="true" + showguides="true" + inkscape:guide-bbox="true" + inkscape:window-width="1533" + inkscape:window-height="864" + inkscape:window-x="70" + inkscape:window-y="0"> + <inkscape:grid + type="xygrid" + id="grid3416" + visible="true" + enabled="true" /> + </sodipodi:namedview> + <metadata + id="metadata3411"> + <rdf:RDF> + <cc:Work + rdf:about=""> + <dc:format>image/svg+xml</dc:format> + <dc:type + rdf:resource="http://purl.org/dc/dcmitype/StillImage" /> + </cc:Work> + </rdf:RDF> + </metadata> + <g + inkscape:label="Layer 1" + inkscape:groupmode="layer" + id="layer1" + transform="translate(-119.5,-371.89945)"> + <rect + style="fill:#80a796;fill-opacity:1;stroke:none;stroke-width:20;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:0" + id="rect2422" + width="20.709229" + height="20" + x="378.62402" + y="402.96823" /> + <rect + style="fill:none;stroke:#000000;stroke-width:1;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" + id="rect3420" + width="129.91663" + height="19.862286" + x="299.41663" + y="462.96823" /> + <path + style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;marker-end:url(#Arrow1Lend);stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" + d="M 379.33326,422.96822 L 369.33326,452.96822" + id="path4129" + sodipodi:nodetypes="cc" /> + <path + style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;marker-end:url(#Arrow1Lend);stroke-miterlimit:4;stroke-dasharray:8, 8;stroke-dashoffset:0;stroke-opacity:1" + d="M 429.41663,482.83051 L 449.41663,532.83051" + id="path3429" + sodipodi:nodetypes="cc" /> + <rect + style="fill:#40668b;fill-opacity:1;stroke:none;stroke-width:0.39586431;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" + id="rect4794" + width="19.758081" + height="20.466421" + x="499.41663" + y="542.83051" /> + <rect + style="fill:none;stroke:#000000;stroke-width:1;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" + id="rect3427" + width="129.91663" + height="19.862286" + x="389.5" + y="542.9682" /> + <rect + style="fill:none;stroke:#000000;stroke-width:1;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" + id="rect3337" + width="129.91663" + height="19.862286" + x="339.41663" + y="402.96823" /> + <rect + style="fill:none;stroke:#000000;stroke-width:1;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" + id="rect3963" + width="129.91663" + height="19.862286" + x="619.41663" + y="463.43472" /> + <path + style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;marker-end:url(#Arrow1Lend);stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" + d="M 699.33326,423.43467 L 689.33326,453.43467" + id="path3965" + sodipodi:nodetypes="cc" /> + <path + style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;marker-end:url(#Arrow1Lend);stroke-miterlimit:4;stroke-dasharray:8, 8;stroke-dashoffset:0;stroke-opacity:1" + d="M 749.41663,483.29696 L 769.41663,533.29696" + id="path3967" + sodipodi:nodetypes="cc" /> + <rect + style="fill:#40668b;fill-opacity:1;stroke:none;stroke-width:0.39586431;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" + id="rect3969" + width="19.758081" + height="20.466421" + x="699.74194" + y="402.83051" /> + <rect + style="fill:none;stroke:#000000;stroke-width:1;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" + id="rect3971" + width="129.91663" + height="19.862286" + x="709.5" + y="543.43463" /> + <rect + style="fill:none;stroke:#000000;stroke-width:1;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" + id="rect3973" + width="129.91663" + height="19.862286" + x="659.41663" + y="403.43472" /> + <path + style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" + d="M 570,372.39945 L 570,602.33049" + id="path4816" /> + <text + xml:space="preserve" + style="font-size:40px;font-style:normal;font-weight:normal;line-height:125%;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;font-family:Bitstream Vera Sans" + x="809.5" + y="432.83051" + id="text4856" + sodipodi:linespacing="125%"><tspan + sodipodi:role="line" + id="tspan4858" + x="809.5" + y="432.83051" + style="font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;writing-mode:lr-tb;text-anchor:start;stroke-width:1;stroke-miterlimit:4;stroke-dasharray:none;font-family:Sans;-inkscape-font-specification:Sans">The blue cell has been </tspan><tspan + sodipodi:role="line" + x="809.5" + y="450.33051" + style="font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;writing-mode:lr-tb;text-anchor:start;stroke-width:1;stroke-miterlimit:4;stroke-dasharray:none;font-family:Sans;-inkscape-font-specification:Sans" + id="tspan4002">removed from leaf node</tspan><tspan + sodipodi:role="line" + x="809.5" + y="467.83051" + style="font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;writing-mode:lr-tb;text-anchor:start;stroke-width:1;stroke-miterlimit:4;stroke-dasharray:none;font-family:Sans;-inkscape-font-specification:Sans" + id="tspan4004">and used to replace the</tspan><tspan + sodipodi:role="line" + x="809.5" + y="485.33051" + style="font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;writing-mode:lr-tb;text-anchor:start;stroke-width:1;stroke-miterlimit:4;stroke-dasharray:none;font-family:Sans;-inkscape-font-specification:Sans" + id="tspan4006">cell deleted from the </tspan><tspan + sodipodi:role="line" + x="809.5" + y="502.83051" + style="font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;writing-mode:lr-tb;text-anchor:start;stroke-width:1;stroke-miterlimit:4;stroke-dasharray:none;font-family:Sans;-inkscape-font-specification:Sans" + id="tspan4008">internal node.</tspan></text> + <text + xml:space="preserve" + style="font-size:40px;font-style:normal;font-weight:normal;line-height:125%;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;font-family:Bitstream Vera Sans" + x="129.5" + y="502.83051" + id="text4010" + sodipodi:linespacing="125%"><tspan + sodipodi:role="line" + x="129.5" + y="502.83051" + style="font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;writing-mode:lr-tb;text-anchor:start;stroke-width:1;stroke-miterlimit:4;stroke-dasharray:none;font-family:Sans;-inkscape-font-specification:Sans" + id="tspan4020">The green cell is to be deleted from</tspan><tspan + sodipodi:role="line" + x="129.5" + y="520.33051" + style="font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;writing-mode:lr-tb;text-anchor:start;stroke-width:1;stroke-miterlimit:4;stroke-dasharray:none;font-family:Sans;-inkscape-font-specification:Sans" + id="tspan4033">an internal tree node. The blue cell</tspan><tspan + sodipodi:role="line" + x="129.5" + y="537.83051" + style="font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;writing-mode:lr-tb;text-anchor:start;stroke-width:1;stroke-miterlimit:4;stroke-dasharray:none;font-family:Sans;-inkscape-font-specification:Sans" + id="tspan4035">is the cell with the largest key in</tspan><tspan + sodipodi:role="line" + x="129.5" + y="555.33051" + style="font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;writing-mode:lr-tb;text-anchor:start;stroke-width:1;stroke-miterlimit:4;stroke-dasharray:none;font-family:Sans;-inkscape-font-specification:Sans" + id="tspan4037">the sub-tree headed by the </tspan><tspan + sodipodi:role="line" + x="129.5" + y="572.83051" + style="font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;writing-mode:lr-tb;text-anchor:start;stroke-width:1;stroke-miterlimit:4;stroke-dasharray:none;font-family:Sans;-inkscape-font-specification:Sans" + id="tspan4039">child-page of the green cell.</tspan></text> + </g> +</svg> |