4
votes
1answer
38 views

Selecting Features located in extruded surface using ArcScene?

I have a set of total station points that have elevation values for different soil Horizons across a 40x10 meter piece of land. I have created a TIN surface for each Soil Horizon and then used the ...
0
votes
1answer
20 views

Displaying extruded polygon outlines in ArcScene 10.2.1

I am having a similar problem to the question posted on this site: How to display Arcscene polygon extrusion edges? When I extrude polygons in Arcscene 10.2.1, the polygons rise to the specified ...
2
votes
0answers
34 views

Getting XY screen coords from ArcScene 3D point using ArcObjects?

I already know how to convert screen point (X,Y in pixels) to 3D point: ISceneGraph pSceneGraph = m_pSceneHookHelper.SceneGraph; IPoint pPoint; pSceneGraph.Locate(pSceneGraph.ActiveViewer, X, Y, ...
2
votes
1answer
38 views

How to make a 3d visualisation of different peat layer to show the height of each layer?

I have bore hole point data that has about 5 to 7 types of peat layer and also has several depths. I also have digital elevation data of the area. I need to interpolate these layers separately, then ...
3
votes
1answer
37 views

Convert coordinate system of Lidar or TIN?

I have Lidar data and I want to create a TIN from it, and then run the TIN Triangle tool to create a polygon shapefile of the triangles. The only thing is that the Lidar data is in a UTM CS with ...
1
vote
1answer
31 views

Raster domain output polygon has is an empty feature class. Shape_Length and Shape_Area = 0

I am trying to convert a 32-bit floating point raster with 205289 columns and 120615 rows to a polygon using Raster Domain. It creates a feature class that does not contain any polygon. There is a ...
2
votes
0answers
32 views

In ArcMap, when using Add Surface Information, why are all avg_slope values positive?

I've got a polyline shapefile and a LIDAR elevation dataset. I've successfully used Add Surface Information (from 3D Analyst) to calculate the average slope (avg_slope) of each line segment. The ...
0
votes
1answer
51 views

ArcGIS 10.2 Viewshed not using Z Value?

I'm currently trying to produce a line-of-sight map of a tower with no results. Every time I run the viewshed tool, the program uses the base Z value of the DEM. I use the DEM Raster for the ...
0
votes
1answer
68 views

3D Analyst Line of Sight: what am I doing wrong?

As a relatively new user to GIS trying out 3D Analyst tools, I'm trying to run a Line of Sight which is not working the way I'd expect. Note I'm running the tool straight from the toolbox, no python ...
1
vote
1answer
42 views

Wireframe display of terrain in ArcGlobe?

I have successfully imported a terrain dataset into ArcGlobe which provides elevation values to the globe surface. Is there an easy way I can now change the symbology/display of the terrain/globe ...
1
vote
1answer
29 views

What is a better idea for modelling a fault plane than as TIN? [duplicate]

I am working on a project which runs on ArcGIS platform using VB.NET. It is to model a sub-surface fault plane (currently a plane rectangular model with some dip) and then to find required distances ...
0
votes
0answers
64 views

Problem with Elevation Profile Graph

I have a problem when creating the elevation profile using 3d Analyst. I have a DEM and a polyline representing a a highway route consisting of several line segments that I have manually combined. I ...
0
votes
1answer
60 views

Problem with interpolating a vertical profile in 3D Analyst (ArcMap 10.1)

I have a problem when I want to create a vertical profile in 3D Analyst from a DEM file. I want to interpolate the data and show points from 20 to 20 meters, as I specified in the option panel (see ...
0
votes
2answers
71 views

Generating multiple visibility bearings in ArcGIS as automated procedure?

As a relative newbie to GIS, I'm quite sure there will be a way to do this in GIS (probably most efficiently by writing a python script!) but (to me anyway) this is a fairly complex thing to do and I ...
2
votes
1answer
107 views

How to set up a 3D plane in ArcGIS?

I need to model a fault plane below the earth's surface and find distances from different points on the surface of the earth. I know the dimensions of the plane and its orientation but I can do that ...
0
votes
1answer
50 views

Is there a bug in the “Layer 3D to Feature Class” tool?

I am trying to convert an etruded polygon feature class to a 3D multipatch feature using the "Layer 3D to Feature Class" tool. The result is a flat multipatch rather than the expected 3D feature. I ...
1
vote
1answer
77 views

How to display Arcscene polygon extrusion edges?

When I extrude polygons in Arcscene 10.0, the polygon outlines are not displayed regardless of the symbol outline width/color. Thus the extruded edges are not shown. Here's a screenshot showing the ...
0
votes
1answer
159 views

2D/3D Area parameter differences in Surface Volume calculation dialog box?

In dialog box of volume surface calculation and also in ASCII file there are 2 out come with names 2D Area and 3D Area. What is difference between these two numbers? What is included in 3D that is not ...
3
votes
1answer
48 views

Add Z and M values to stream network produced from DEM

I created a stream network from an existing DEM. My ultimate project goal is to be able to select a river from my stream network and use the 3D analyst to generate stream profile (Elevation by ...
0
votes
1answer
54 views

problem in spline with barriers in ArcGIS 9.3?

I am trying to use the script tool "Spline with Barriers" from arcgis 9.3 3D Analyst toolboxes. I am not getting expected output. The output is just only one value over the surface. We are using ...
-1
votes
1answer
90 views

3D Analyst missing from Tool Boxes in ArcGIS 9.3

I have a missing 3D Analyst from ArcGIS 9.3 (ArcMap - ArcInfo). I need it for a task to be done. How can i install it? Does anybody know it? Should i donwload the extension or is there any other ...
0
votes
1answer
54 views

How to determine stream elevation points from SRTM raster with stream lines vector?

I should determine elevation points of some streams. I have SRTM raster and stream vectors. Which tools can solve this problem in ArcGIS 9.3? Anybody can write me a workflow how to do this task? ...
3
votes
1answer
71 views

How to use variables in arcpy tools which quote the variable name

I'm having a frustrating time trying to use the Create TIN tool within Python, when the input featureclass name is a variable. The help file entry for Create TIN shows a hard-coded path to the ...
4
votes
1answer
182 views

How to add tree height values to raster / vector data?

I am new to working with raster data and I am trying to teach myself a few things. I have what I think is a simple problem but I can't seem to figure this one out after a few hours of searching Arc ...
3
votes
1answer
161 views

GIS beginner - interpolating contour lines from TIN-model vs. Grid in ArcGIS

I am a complete beginner in GIS and taking a class right now, and we are doing some assignments in ArcGIS - ArcMap. In one of them we were given a shapefile with heightpoints. These had been manually ...
1
vote
2answers
197 views

Calculate Slope of Street Segments

Using a DEM, I need to assign slope to individual segments in a street centerline feature class. It will be used to account for increased travel time for steep slopes in a network analysis. I am ...
1
vote
1answer
138 views

ArcScene TIN smooth

I created a TIN with ArcScene out of laserscan point data. I want to smooth the spikes (image below), to get a nice crossover on the elevations of the surface. Do you have any advice how to do that? ...
1
vote
0answers
118 views

Why isn't View>View Settings working in ArcGIS 10 ArcScene?

I am running ArcGIS 10 desktop verison with the 3d Analyst extension to view DEMs in ArcScene. I want to view the DEM from a specific xyz location, which should be achievable using the View Settings ...
2
votes
0answers
65 views

How to add flow arrows to groundwater table map?

After I had created groundwater table map, I tried using 3D Analyst>Steepest Path to add groundwater flow arrows to the map. However, it didn't work. Would you please let me know how can I add these ...
0
votes
2answers
84 views

How to bring 3D object into 3D application?

I'm doing some GIS as part of my college course and have just started to do some 3D modelling, I'm really a GIS novice, The module is short (only 5 lectures) My lecturer has said that it is possible ...
3
votes
1answer
69 views

Elevation off Road in ArcGIS/Python

i'm using the Modelbuilder in ArcGIS 10.1 to calculate pixels depending on their slope and distance from the road. The third necessary task is to find out, if the pixel is upwards the road or ...
1
vote
1answer
60 views

arcGIS observer point analysis: Exceeding maximum allowed points amount not exceeded

I need to make an observer points analysis (3D analyst tool). I have a shapefile of 22 points, so I divided it in 2 layers of 11 each as the maximum points allowed is 16. However, as I launch the ...
1
vote
0answers
72 views

3D Surface Model - Cut Out

I have create a 3D surface model in ArcScene. However, I would now like to display it for printing. Basically im trying to make the 3D model look like the attached image but i have no idea how to make ...
0
votes
0answers
84 views

Calculate x,y,z distance between 3D point and multipatch closed polygon in ArcScene

I have a multipatch polygon and a pointZ FeatureClass containing a single point. I would like to calculate the distance in X,Y,Z from the point to the closest point on the surface of the multipatch ...
0
votes
2answers
333 views

What is the best method to smooth TIN Surfaces?

I have a 3D Tin which shows avocado sizes as the z-value. The 3D visualization is perfect however, not for our needs as it requires too much interpretation from a end users perspective. How might we ...
1
vote
2answers
117 views

Why can't I find the TIN Management tool in 3D Analyst toolbox?

I am looking for the CREATE TIN tool in the 3D Analyst toolbox, but I can´t find it. Any ideas why I can't find it?
0
votes
0answers
37 views

How to integrate info Z into a point shape, no attribute table

Firstly, I use ArcGIS-9.3 and I have a point shape, but when I try to get info about its value Z (Sketch Properties) the result is "0" for ever points, like this: X:274988,260 Y:4126481,508 Z:0 M:NaN ...
1
vote
0answers
49 views

Random Dips/Pits in Elevation surface in ArcGlobe 10.2

I have an elevation raster which I load into ArcGlobe as an elevation source and appears to have large pits and dips in it when I place floating features such as roads and imagery. The odd thing is ...
3
votes
1answer
142 views

How to convert contour lines to LAS points?

i have downloaded free DEM form the NET and i generated a contour line with 10 meter for interval, so i just want to convert the contour lines to LAS point file to create a new Terrain dataset,and is ...
2
votes
1answer
189 views

How to improve Triangulated Irregular Network (TIN) display speed?

I am preparing Triangulated Irregular Network for large area (5000 Sq Km) in ArcGIS, The TIN models takes too much time to open in ArcMap, and if I move or change anything again its starts to ...
2
votes
0answers
122 views

Turn bathymetry into elevation in arcGIS?

My raster is in depth of bathymetry however when this is shown in 3D it reverses the elevation making the deepest points the highest in elevation and the shallowest points the deepest. This makes a ...
2
votes
1answer
875 views

ArcGis 10 interpolate Z between polyline's vertices (IZ.InterpolateZsBetween ?)

Here's what's happening: I want to create a 3D line using only the height of some GSP points. I need to be able to extrapolate the vertice's height between where it's known to the one where it's ...
5
votes
1answer
104 views

Can 2D polygon be used as hard breakline for terrain?

I've been working with TINs for years and have only ever been satisfied when using 3D polylines for breaklines. I am currently transitioning to using terrains and after reading the documentation in ...
3
votes
2answers
413 views

Where can I get detailed Bathymetry data for Ontario

I need detailed Bathymetric data covering water bodies (including smaller ones) in the Province of Ontario. Our Provincial Government has it, but the use of the data are restricted due to liability ...
2
votes
1answer
252 views

How to find area of Digital Elevation Model above/below a reference plane?

I am using ArcGIS10. I need to find the out the area which is below 5000 and above 5000 from the Digital Elevation Model which is available to me. How can I find out this ? My DEM ranges from 8848 to ...
1
vote
1answer
100 views

Can't select or delete 3D contours - ArcScene

I used the "Create Contour" icon in 3D Analyst on a TIN. But now I can't hide, select, or delete those contours. I even tried deleting the base TIN to no avail. ArcScene 10.0. Any help please? ...
2
votes
1answer
248 views

MultiPatch to Point Shapefile

I have a File GeoDatabase that has a Feature Dataset with MultiPatches. The MultiPatches are tree models. I would like to convert the MultiPatch into a point layer. Is there a tool, plugin, or ...
1
vote
1answer
260 views

3d borehole view for ArcScene

I am trying to make a 3D Representation on the well from the following data. I cnat put it in a table work from there and use python. Just not sure the math. Anyone Help I do have the starting ...
0
votes
1answer
459 views

How to represent multiple values using 3D Analyst's Interpolate Line Tool

I have a related question (found here - Creating line transects for sampling across raster and vector data (stack profile)) but I think it is worth posting this as a separate question. I need to ...
1
vote
2answers
500 views

How to extrude polygon features from a TIN surface in ArcScene?

How do I Extrude polygon feature class from a TIN surface using ArcScene 10.1?