Download Contour Map
Vida Hubbert
Running contour on the entire TIF (if it even works without crashing) will create a file too large to be useful. I could tile the raster and run contour on each tile, but then management of this becomes a bit of an issue as there doesn't seem to be a vector equivalent of the mosaic dataset (am I wrong about that?).
Generally you would want to tile this. I usually split the raster using TopoQuad boundaries, you could use quarter-quad as well. In terms of management, you could add all of the output contours into a GDB feature dataset, or publish them all as a single map service or even better, a vector tile layer (as long as there is no expectation to label the index contours).
Once the curves are in 3D you can actually create the 3D terrain mesh - using MeshPatch on all the curves for example. With the 3D terrain, you can then use the Contour command to re-slice the mesh at the desired interval and create new contour lines. If you need them flat again, you can simply use ProjectToCPlane after.
So I'm trying to do contours to some text as highlighted in the picture. But for some reason, it seems that the contour tool does not work if the contour is applied inside of a group. "This works" are layers (unsure what the right terminology is) outside of a group and the contour works; "This does not work" are layers inside of a group, and here the contour is not visible at all.
Thanks for the tip about Stroke. I honestly did not know that was possible for text, I'm very new to the program. However, I find the contour tool neat, and it would be very nice if I could use it reliably.
NP.?
So your only solution for now is to group items, place the group where you want it, ungroup, then re-group.
Moving the group will cause the contour to disappear but as soon as you ungroup it, it'll show again. At that point, re-group it. I've tried it and that seem to work. It's definitely a bug. Hopefully it'll get fixed in the next point release.
I'm getting the same as everyone else, thankfully the group/ungroup trick works like a charm. However, not if you're using an Artboard - the contour doesn't show up at all, even the group/ungroup trick doesn't work. The only work around I've found, is to create your art in another file and paste it to where it's needed.
Enable/disable corner masking, which only has an effect if Z isa masked array. If False, any quad touching a masked point ismasked out. If True, only the triangular corners of quadsnearest those points are always masked out, other triangularcorners comprising three unmasked points are contoured as usual.
If 0, no subdivision of the domain. Specify a positive integer todivide the domain into subdomains of nchunk by nchunk quads.Chunking reduces the maximum length of polygons generated by thecontouring algorithm which reduces the rendering workload passedon to the backend and also requires slightly less RAM. It canhowever introduce rendering artifacts at chunk boundaries dependingon the backend, the antialiased flag and value of alpha.
negative_linestyles can also be an iterable of the above stringsspecifying a set of linestyles to be used. If this iterable is shorter thanthe number of contour levels it will be repeated as necessary.
I am importing contours into Sketchup and creating a surface using the sandbox tool. when it creates the contours it goes beyond the outside shape of the base contour and connects any internal indentations, hopefully the attached picture explains this a bit better.
I need to remove all of these lines, so that the shape of the surface, fits with the outside shape of the base contour. I can do this manually, but on some models I have thousands of these instances, so it takes hours. Does anybody have a suggestion to speed this up?
How about drawing a surrounding border any shape, but much lower than any contour. Make sure the bounding edges have vertices (divide) such that the indents autofill to these lower points. Then erase all of these lower faces are easily selectable from side view.
I have found that if I explode the two groups, so they merge, then it has this effect so allows me to remove only the portion between the original contour groups. There is maybe a better way of doing this than having to explode the two groups, but it seems to work?
The problem I have had with TopoShaper is the time it is taking, for the same contours as I showed in my second post, it took numerous minutes to generate a surface. Initially it wanted to do a 50x27 grid, I changed that to 200x107, otherwise the level of detail it was generating was definitely poorer than just the Sandbox tool. At the 200 grid detail, I would say its better, I particularly like that the top are curved rather than flat, but it took probably 50 times longer to generate.
I am working on a desktop PC, but its pretty old. Although still surprising that it takes me seconds with the Sandbox tool, but minutes with TopoShaper, on this small test. Using the large contour sets I have, it does take a couple of hours with Sandbox.
Hi all,
I would like to import contour lines from AutoCAD (they are 250mm apart) to create a model that resembles a physical model - so the terrain is constructed by flat layers 250mm in height each overlaid. This will allow me to cut into the terrain easily and understand the morphology of a larger area. Thank you so much! (ps new to sketchup).
Results: This contour overlay aids the interpretation of the funnel plot. For example, if studies appear to be missing in areas of statistical nonsignificance, then this adds credence to the possibility that the asymmetry is due to publication bias. Conversely, if the supposed missing studies are in areas of higher statistical significance, this would suggest the cause of the asymmetry may be more likely to be due to factors other than publication bias, such as variable study quality.
The contour lines on the plot I create appear correct but the colours are plotted wrong. I think that the problem is that two different bands have the same colour(!) but should have different ones based on the legend underneath. This doesn't make any sense. Before I totally give up on this and continue my work in Excel I wanted to submit this question in the forum.
EDIT: YOur question reminded me on something but i couldn't remember what. Now I think I found it. The question as of seemingly wrong color mapping in Primes contour plots came up here before. At that time I guessed that the reason was that there were too few datapoints. Using some sort of interpolation helped but didn't cure it completely, I guess.
Yes, I had seen that post before I post mine and actually pulled out useful information from your posts - thanks. But I hadn't followed the discussion to the end. Interestingly enough, once again in that case, the contour lines appear correct again, but the colours do not seem to follow the legend. The fact that the contours (lines) are always correct is even more confusing.
I believe the data are dense enough, actually created in Excel with cubic spline interpolation in both 2 dimensions. The reason the data is so dense is because otherwise any basic data contour plot is showing poorly, and not because my end goal demands it. That said, it may be worth trying creating a nurbs response surface and getting new coordinates to feed Mathcad and see what happens. But if i do this, then actually I do not need Mathcad lol.
I usually hadn't experienced that kind of severe error, not even with much more complicated worksheets (also including contour plots, also with embedded pics) om the very same machine with Prime2&3 other than Prime being incredibly and inexcuseably SLOW.
Being curious I recreated the plot with MC 15 and here we don't have the wrong colors when plotting contour plots of matrices. We lack the color legend, though and would have to add it by creating a second plot underneath.
if NULL, the current font family and face are used for the contour labels. If a character vector of length 2 then Hershey vector fonts are used for the contour labels. The first element of the vector selects a typeface and the second element selects a fontindex (see text for more information). The default is NULL on graphics devices with high-quality rotation of text and c("sans serif", "plain") otherwise.
The methods for positioning the labels on contours are "simple" (draw at the edge of the plot, overlaying the contour line), "edge" (draw at the edge of the plot, embedded in the contour line, with no labels overlapping) and "flattest" (draw on the flattest section of the contour, embedded in the contour line, with no labels overlapping). The second and third may not draw a label on every contour line.
Notice that contour interprets the z matrix as a table of f(x[i], y[j]) values, so that the x axis corresponds to row number and the y axis to column number, with column 1 at the bottom, i.e.a 90 degree counter-clockwise rotation of the conventional textual layout.
There is limited control over the axes and frame as arguments col, lwd and lty refer to the contour lines (rather than being general graphical parameters). For more control, add contours to a plot, or add axes and frame to a contour plot.
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