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Topic: Contour line

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	Contour Topo Map Digitizing with R2V
		Contour labeling is made easy using the Label Contours option under Line Editor.
		Simply draw a line across the contours and enter the starting elevation and increment value, and it's done.
		All selected contours are labeled and ready to be used to create a DEM or by a mapping or GIS system.
	www.ablesw.com /r2v/contour.html (342 words)

	Principles and Elements of Art: Line Contour Drawing Where Concentration Makes for Accuracy
		Successful contour drawing is characterized by perception and control and demands the experience of visual and graphic practice to achieve competence.
		The required objectives were to: (1) create a contour drawing of 4 or more objects, (2) illustrate overlapping and size variety, (3) form arrangement must extend over/under 2 or more sides and (4) include line styles as an option.
		Contour drawing can be augmented by shadow lines, texture, and is an excellent means of basic study for "sequential drawing".
	www.mmwindowtoart.com /foundations/foundationslinecontour.html (406 words)

	contour line basics
		Contour line is a tool widely used in many diciplines include weather map, market survey, historical analysis and, of course, earth and environmental sciences.
		As a consequence, to know the property of contour line is necessary for every modern citizen and should almost be a common sense to a college student.
		First, get a feeling of using contour line on a map which is trying to show the elevation of landscape.
	muskingum.edu /~ericlaw/pd_courses/geol101/LabTopoMap/contourlineBasics/contourBasicsSu05.html (540 words)

	Analogy of Sheet Wash to Ground-Water Flow
		If contour lines are drawn at 750, 760, and 770 feet then, multiples of 10 were used to construct contours of equal elevation.
		Contouring in multiples of 0.01 foot would not be practicable for mountainous terrain to describe either surface relief or the surface of the water table since this would involve an inordinate number of contours being constructed for the steep slopes.
		A 3-dimensional plot of contour lines, while it illustrates the concept of a line joining points of equal elevation, is not as useful a tool as a topographic map where contour lines are depicted in plan view as in the figure to the left.
	www.earthdrx.org /analogysheetwashgroundwaterflow.html (584 words)

	Contour Lines
		Contour lines are lines drawn on a map connecting points of equal elevation.
		Contour lines are useful because they allow us to show the shape of the land surface (topography) on a map.
		The new shoreline of the island is a contour line because all of the points along this line have the same elevation, but the elevation of this contour line is 10 ft above the elevation of the original shoreline.
	newterra.chemeketa.edu /Faculty/fraa/topo_maps/contour_lines.htm (680 words)

	Contour - LoveToKnow 1911
		CONTOUR-LINE CONTOUR (a French word meaning generally "outline," from the Med.
		contornare, to round off), in physical geography a line drawn upon a map through all the points upon the surface represented that are of equal height above sea-level.
		These points lie, therefore, upon a horizontal plane at a given elevation passing through the land shown on the map, and the contour-line is the intersection of that horizontal plane with the surface of the ground.
	www.1911encyclopedia.org /Contour (269 words)

	Toilet seat structure - Patent 4457029
		The contour line 505, generally bisects the upper surface of the forward and rear segments, but is tangent to the inner periphery in the area of the intermediate segments.
		As this contour line is traced from either the forward or rear segments towards the intermediate segments, the distance between the contour line and the inner periphery becomes less, resulting in an increasing slope which becomes vertical along the intermediate segments.
		At no point does the contour line 501 touch the outer periphery 306 and accordingly the outer slopes between the contour line 505 and the outer periphery are gradual and are also intended for use in supporting the body.
	www.freepatentsonline.com /4457029.html (1912 words)

	Instructions for Drawing and Interpreting Contour Maps
		The contour interval is arbitrary but should be chosen so that the contour map shows enough contours to reveal the pattern clearly without being crowded with too many contour lines.
		Since, by definition, a contour line is a line along which the value of a quantity is everywhere the same, it follows that, at any point where two different contours crossed, the quantity would have to have two different values (such as temperature or pressure) at once.
		Hence, contour lines divide the map into a region where values are higher than they are on the contour line itself and a region where they are lower.
	voyager.dvc.edu /~twieden/meteorology/contouring/contouring.html (1615 words)

	Method and apparatus for manufacturing a modified, three-dimensional reproduction of a soft, deformable object - Patent ...
		The cylindrical space coordinates v, x, y may represent the angle of rotation of the framework 8, counted from a predetermined initial position, the distance of the point from the axis of rotation of the framework and the distance of the point from a determined place which is perpendicular to the axis of rotation.
		By means of the CAD program one converts the reel contour line 17 into the corresponding contour which is calculated to come into existance when the leg stump is loaded in the prosthetic socket.
		In the last mentioned case no CAD program is required for modifying the contour lines 17 which are illuminated by the laser apparatus 12 and are to be milled or manufactured in another way of the model, if not a modified shape of the model is to be made.
	www.freepatentsonline.com /4821200.html (2883 words)

	Art on Air - Meet the Artists - Walking the Line (Site not responding. Last check: )
		She says contour drawings are fun to do because they're fast and kind of funny-looking: "All you have to do is observe very closely the object you're looking at and then draw that object very quickly.
		Contour drawing helps students learn to draw what they see rather than what they think they see, allowing them an opportunity to observe how each student perceives objects differently.
		contour line: a continuous line that follows the edge of a form.
	www.ket.org /artonair/artists/gallionguide.htm (906 words)

	Schlumberger, The Click: How to Reshape Contour Lines Using the Surface Model Editor in Basemap Plus
		If your contour lines look good overall, but are a little jagged or angular, you can use the Smoothing Factor from the Contour Editor window to average out some of this jaggedness by a user-defined factor.
		While you are drawing the contour line, you should assign a proper Z value for the contour within the text box next to the Set Z Value button.
		When extending a contour line, you also have the ability to connect it with other contours of the same Z value.
	www.slb.com /content/services/software/support/theclick/v3_n1_2004g.asp?seg=petrel&printView=true& (1060 words)

	Glossary - TSARP
		A contour line is a line on a map that joins points of equal elevation.
		Each 2-foot contour line will increase or decrease in increments of 2 feet to illustrate the identified land elevation.
		Each 10-foot contour line will increase or decrease in increments of 10 feet to illustrate the identified land elevation.
	www.tsarp.org /glossary.html (1916 words)

	Project I
		A contour line on a map connects points that are at the same distance above, or below, sea level (or some other reference surface).
		If the contour interval is 10', then the next highest contour line is the 30' line and the next lowest is the 10' line.
		The spacing of contour lines on a map tells you how "steep" the slope is. Take a bowl and turn it upside down on a table.
	www.uh.edu /~jbutler/physical/exercise6.html (561 words)

	6.15 Visualizing Surface Orientations
		In particular, if the density of the contour lines formed from the layers of sheets is too low, the scrap paper becomes difficult remove and this adversely affects the quality of the object's surface in such regions.
		The idea is to color-code regions of contour line as a red-yellow-green spectrum with low density regions coded red (indicating poor contour line density and likely to lead to quality issues) and high density regions colored green (indicating good contour line density).
		If the object's surface normals are transformed to this coordinate space, the contour line density is purely a function of the Z component of the surface normal.
	www.opengl.org /resources/code/samples/sig99/advanced99/notes/node78.html (965 words)

	contour lines : Search Results : GoodSearch : Search the Internet with GoodSearch and support your favorite charity or ...
		If adjacent contour lines are of the same line width, the direction of the...
		Each contour line is separated from adjacent contour lines by a...
		Contour line is a tool widely used in many diciplines include weather map,...
	www.goodsearch.com /Search.aspx?Keywords=contour+lines (402 words)

	OA Guide to Map and Compass - Part 1
		Latitude lines run east and west and measure the distance in degrees north or south from the equator (0° latitude).
		Contour lines are a method of depicting the 3-dimensional character of the terrain on a 2-dimensional map.
		On multi-colored maps, contour lines are generally represented in brown.
	www.princeton.edu /~oa/manual/mapcompass.shtml (1112 words)

	INDEX CONTOUR LINE
		A contour line accentuated by a heavier line weight to distinguish it from intermediate contour lines.
		Index contours are usually shown as every fifth contour with their assigned values, to facilitate reading elevations.
		Specialty definitions using "INDEX CONTOUR LINE": intermediate contour line.
	www.websters-online-dictionary.org /definition/english/in/index+contour+line.html (201 words)

	Structure contour mapping
		Structure contour maps are basically the same as topographic maps, where the surface being mapped is some geologic surface.
		Relationships between structure contours for a planar surface, a topographic surface and the map expression on the map of the planar surface.
		The thicker dotted line represents topographic contour lines, the thinner continuous line represent the same fault surface as depicted above, and the red (grey in bandw) represents the map expression of the fault surface.
	maps.unomaha.edu /Maher/GEOL3300/lab/contourlab.html (1303 words)

	Online Fine Art Instruction in Contour Line Drawing of Human Figure and Objects, by a Professional Fine Artist
		Contour drawing is a good beginning exercise, in the way that practicing scales is good for learning the piano.
		Line has been used in many ways throughout art history; not only with contour drawing, but with variations of the contour.
		using line; rather than limiting his use of line to contours, he used it in the form of variously shaped marks, which serve to create a textural effect, as well as to help delineate spatial depth.
	www.ndoylefineart.com /drawexercise1.html (992 words)

	Visualization Environment: Creating Contour Lines & Maps
		A contour line is a line on a 2D map that connects places that have the same value for a variable.
		The outermost lines depict the base of the mountain, the innermost lines the peak.
		The contour lines are key in identifying interesting differences and anomalies.
	www.dpc.ucar.edu /vgee/contour.htm (517 words)

	contourc (MATLAB Functions)
		determine the heights of the contour lines with respect to a plane.
		The contours are isolines in the units of
		The number of contour lines and the corresponding values of the contour lines are chosen automatically.
	www.weizmann.ac.il /matlab/techdoc/ref/contourc.html (137 words)

	BMW Concept CS set to star at Shanghai show \| Auto Shows Blog at Motor Trend
		The re-interpreted contour line, as seen from the side, serves to emphasise the technical concept of rear-wheel drive so crucial to dynamic performance on the road.
		From there the rear contour line is continued as a straight line also rising slightly up to the rear end of the car.
		Precisely this is ensured by the contours of the rear seats with their perfect side support tailored to the contours and design of the front sports seats.
	blogs.motortrend.com /6207750/auto-shows/bmw-concept-cs-set-to-star-at-shanghai-show (4618 words)

	27 CFR § 9.148 Seiad Valley
		(1) The beginning point is the intersection of the 1600 foot contour line with the power transmission line north of the Klamath River, near Mile 130;
		(9) The boundary diverges from the contour line and proceeds west in a straight line across the road and Grider Creek until it intersects with the 1600' contour line on the west side of Grider Creek;
		(11) The boundary diverges from the 1600' contour line and proceeds in a straight line in a northeasterly direction, back to the point of beginning.
	www.wineinstitute.org /fedlaw/regs/27cfr_part09/9_148.htm (420 words)

	EEA - Data - Five meter elevation contour line
		The contour line layer makes it possible to identify lowlands which are vulnerable to significant sea level rise and the risk of flooding.
		Elevation data are provided in two forms: A Digital Terrain Model (DTM) which consists in a grid data of altitudes with a 90 to 100m resolution 5 meters height contour lines, in vector format, derived from the DTM and completed where needed with other sources of data.
		To derive contour lines of 5 and 10 meters, the data were locally complemented with other sources, namely national DTM and digitised topographical maps.
	dataservice.eea.europa.eu /73CDB0E7-2F6E-4248-8B48-7CA186BBD3CC (274 words)

	Harris County Flood Control District - Glossary
		A mat consisting of interlocking concrete "jigsaw puzzle-looking" blocks that is sometimes placed as a lining on the sides and bottom of a channel.
		Technically,the floodway is typically calculated by finding the area that must be reserved to carry and discharge the 1% (100-year) flood without increasing the base flood by more than 1-foot.
		Some examples of this information the District utilizes would be streets, bayous and channels, HCAD parcel data, contours, floodplains and all the data that supports this information such as names, location and much more.
	www.hcfcd.org /glossary.html (4947 words)

	27 CFR § 9.90 Willamette Valley
		The Willamette Valley viticultural area is located in the northwestern part of Oregon, and is bordered on the north by the Columbia River, on the west by the Coast Range Mountains, on the south by the Calapooya Mountains, and on the east by the Cascade Mountains, encompassing approximately 5,200 square miles (3.3 million acres).
		The exact boundaries of the viticultural area, based on landmarks and points of reference found on the approved maps, are as follows: From the beginning point at the intersection of the Columbia/Multnomah County line and the Oregon/Washington State line;
		(6) Continue along the 1,000 foot contour line (approximately 23 miles) east, south, and then west, to a point where the Polk County line is intersected by the Lincoln/Benton County line;
	www.wineinstitute.org /fedlaw/regs/27cfr_part09/9_090.htm (785 words)

	What's New in SAS Software
		The contour levels are spaced evenly within the range of the Z variable.
		When this menu item is toggled on, an area between two adjacent contour levels is filled in the color of the lower level.
		To move a line, drag on the line, then release the mouse at the new location.
	www.jmu.edu /docs/sasdoc/sashtml/whatsnew/insight/sect9.htm (411 words)

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