Use this tag when ArcGIS for Desktop is the product and architecture that you are using from the ArcGIS platform.

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0
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0answers
16 views

why when i use from mosaic to new raster the created raster has some pixels with 0 value

Why when i use from mosaic to new raster the created raster has some pixels with 0 value? I have 2 map that each of them individually has a value (it is volume of run off for pixels) but when i ...
0
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1answer
176 views

How to select all polygons where neighbor vertex points are below a distance threshold in arcmap

I have a shapefile with over 100k polygons (some of them have holes in them but apart from that they are simple polygons - no multipart). I want to loop through all of these polygons and select only ...
4
votes
0answers
104 views

Determining Thalweg line of river without bathymetry?

I have the boundaries and centerline of a river. The Thalweg line defines the deepest elevation of a watercourse (see Image taken from Google). I do not have accurate enough bathymetry or Digital ...
5
votes
1answer
46 views

QGIS Renders Buffer Polygons from ArcGIS Feature Class Differently

I have a polygon feature class stored in an ArcGIS geodatabase. All of the shapes are buffers of a point layer created using the editor menu's 'Buffer' command. In ArcMap 10.3.1 the data looks like ...
0
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0answers
9 views

How to split multiband raster into multiple bands? ModelBuilder ArcGIS

I'm using the ModelBuilder functionality in ArcGIS, and would like to take a raster that contains 4 bands, clip it with a polygon and then make NDVI from the clipped file. To do that, I need access to ...
0
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3answers
805 views

Why is add-in toolbar greyed out? [on hold]

I installed an addIn toolbar for the U.S. Geological Survey's National Cooperative Geologic Mapping Program and I can see it, but all the tools are greyed out. Any idea why I can't see it? I am ...
5
votes
3answers
246 views

Distance between centroid and farthest point of polygon

I have a village polygon layer which has more than 6,00,000 records. I have calculated centroid of each village. I want to find the distance between centroid and the farthest node of each polygon. ...
0
votes
1answer
22 views

Removing Polygons With a Specific Size

How can I remove small polygons from a raster data set? I know that they aren't technically polygons, but I convert the rasters to polygons. The problem is that I want to focus on a specific polygon ...
0
votes
1answer
12 views

Transfering topographic map from ArcMap onto Garmin GPS?

I have a Garmin 64S GPS unit that I'd like to get a topographic basemap layer onto, so I'm not wandering with a blank screen while getting to my field sites for my research. I'm using ArcMap 10.3.1, ...
2
votes
1answer
17 views

How to auto increment a field based on groups within a feature class

I am needing to auto increment a field based on groups within a feature class. I have 8 plots within a given polygon and I need to assign them an ID from 1-8 for each set of plots within each polygon. ...
0
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0answers
10 views

Tabulate Area Error: Range exceeds 100000 and number of unique values exceeds 500

I've been trying to use the 'Tabulate Area' tool to calculate the area of different land cover types in 1km grid cells in the UK. I've received 2 errors, Value range for ... exceeds 100000 and number ...
0
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0answers
16 views

How to import TIF image with extents known but world file missing

I am having some real trouble figuring out how to import a tif file for which I know the corner coordinates but do not have the TFW (world file). I have tried changing them in properties but that ...
0
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1answer
15 views

Adding units to numeric labels?

How do I add the distance units to labels? I have the area calculated and would like the label to be displayed as (XXX sq ft). I was able to write a VBScript of "(" & [AREA] &" )" but am ...
3
votes
2answers
56 views

Centering shapefile in layout view?

This is what my screen looks like now. The yellow outline of the US is a shapefile and so are the blue dots. I am using one of the default basemaps in the background. I want center the map so that ...
0
votes
3answers
37 views

Using if else syntax in field calculator with Python?

I want to calculate a field in the field calculator that are dependent on the values in 4 other columns. My columns are "A", "B", "C" and "D" Now I want to fill the column "X" with: if "A" and "B" ...
0
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0answers
3 views

Error found while retrieving conflicts ArcMap 10.3

I have a problem when trying to review Conflicts in ArcMap 10.3 I have found a similar question ,and in the solution there was a link to download ArcSDE service pack , but the link was invalid . ...
1
vote
0answers
17 views

multiple median or mean points

I am using ArcMap 10.3. In my map there are resources, and I want to find the location which minimize the distance between them. If I use the Mean or Median Center weighted on the resource I find just ...
0
votes
3answers
33 views

Volume using VB Script of the field calculator

I am trying to compute the volume of the area given certain condition. i wrote the following VB code however, i am getting error that it has failed to do so. Can anyone look into it and suggest a way ...
1
vote
0answers
14 views

Export (to any format) leaves out pieces of DEM

I have a map comprised of three different sources of mosaiced DEM (two Lidar and one 1/3 arcsec float nationalmap DEM) which show up entirely intact in ArcMap (10.2.2), when I export to PDF at a DPI ...
1
vote
0answers
11 views

ArcGIS 10.2.1 Runtime Error

Whenever I attempt to run use run the Voronoi Map in the explore data option of the Geostatistical Analyst tool an error message as shown below pops up. When I run the debugger all the errors say ...
1
vote
1answer
33 views

How to calculate the area of polygon features within another polygon feature layer

As shown below, I would like to calculate the percentage of each red feature (landscape zones) taken up by a green feature (forest zone). So I need the summed percentage of forest zone for each ...
0
votes
1answer
26 views

Attempting to “merge” 3 polygon layers together, not sure if merge is correct

I have three separate polygon layers. Some of the sections in the different layers overlap. I want to "merge" all three layers together and create one layer that is representative of the entire area ...
5
votes
2answers
4k views

Getting text to center in a label expression

Is there an expression that can be entered in the label expression that will force text to center? Such as the ones used to change case/replace/etc.
0
votes
0answers
21 views

Selecting only time in datetime field

I have a 'date' field (is a date field) in ArcGIS that contains both date and time: 'mm/dd/yyyy HH:mm:ss' and need to query only the time portion regardless of the date. I need times between >= 09:00:...
2
votes
1answer
2k views

Removing pixel values below 0 in Digital Elevation Model in ArcGIS for Desktop?

I made a DEM layer from a .las file (LiDAR). How can I remove the black area which contains negative values? Is it possible to set these values equal zero or null?
1
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0answers
17 views

Finding average number of locations in each neighboring census tracts within a given distance

I have used the buffer and intersect tools to identify point locations within a certain distance of a census tract's boundaries. I now want to calculate the average number of point locations in each ...
0
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1answer
33 views

How do I make a field of summarized zip codes, 1 for each, put it into my data table and join the table to shapefile without losing data?

I'm trying to use a field in my shapefile with summarized zip code data. I have a table of hospital admissions data and in this table there is a field of zip codes which are repeated multiple times. ...
0
votes
1answer
24 views

Calculate Raster with value from table

I would like to multiply all the values within a raster layer with one value, which is written in an *.csv table (it is the only value in this table). I tried this code (changing Times tool to Minus ...
2
votes
1answer
43 views

Error in lansat 7 image

The actual shape of lake is like in the right corner, but in lansat 7 image that i downloaded a strip is misplaced(left image) or shifted.][how can i correct this, i have tried georeferencing already ...
0
votes
2answers
248 views

How to extract raster pixel value in ArcGIS

I am dealing with some very large geotiff files (the whole of Canada at a 250m resolution) and is having trouble to extract the pixels value as I need to do some calculations for mapping ecosystem ...
1
vote
5answers
5k views

Creating grid to divide large map into smaller sections using ArcGIS for Desktop?

I have a map of small remnants of forest along creeks for an entire county in California. I need to divide the whole map into equal sections so I can print it so you can actually see the sections of ...
0
votes
0answers
14 views

Is Output Cell Size Environment the same as Resample tool?

I have a raster catalog that contains hundreds of rasters (10 x 10). I need to perform Cell Statistics SUM on all the raster. End user able to specify under what cell size the want to perform the ...
0
votes
1answer
15 views

Creating 700 m x 700m grid in ArcGIS for Desktop? [duplicate]

I'd like to know how to create 700m x 700m grid array in ArcGIS. I am a beginner at GIS. I'd like to develop the insect distribution map.
0
votes
1answer
21 views

Removing pixels in raster map using ArcGIS for Desktop?

I made a raster. I wonder how can I remove pixels with values lesser than an specific value? for example How is possible to set the value of classes from 0.92? i have searched it and i found this ...
1
vote
1answer
181 views

Export attribute table values to CSV

I am getting false parsing and un-necessary quotes for 3 numeric fields when exporting table to ascii (CSV). Items are all DOUBLE. "675,654","5,567,000" is the resulting export format which should be ....
4
votes
5answers
4k views

Reproduce raster with same extent, and same number of columns and rows?

I have two raster A and B. A and B have the same grid size but different extent. How can I make A have the same number of columns and rows, as well as the spatial extent of B?
0
votes
1answer
10 views

Calculating one cell in an attribute table in ModelBuilder

There are two point feature classes--let's call them Established_points and Newcomer. Established_points has, among others, two attribute fields called (for example) ALL_SIGHTINGS and ...
3
votes
1answer
153 views

Selecting multiple attributes, greater and less than

I am trying to select by attributes from a polygon shapefile. I need to select areas with a temperature greater than 10 oC and lower than 15oC using gridcode but I can't seem to work out the correct ...
0
votes
1answer
291 views

Spatial Join of Polygons to Polygon Grid with Shared Boundaries in ArcGIS Desktop?

I have polygons containing an attribute to be summed by a polygon grid. the polygons with the attribute always share borders with each grid cell and never extend outside any grid cell (the grid has ...
0
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0answers
18 views

Visualizing Aura/OMI SO2 data

I am trying to visualize hdf5-files from the OMSO2 data set of NASA so that they will look like this (Orbit 63543 on 25 June 2016, found here and from this website): However, when I try to ...
-3
votes
0answers
17 views

process you would use to gather projection information [on hold]

discuss what process you would use to gather projection information for a feature class if it wasn’t posted directly on the source website or available through the item description of ArcCatalog
0
votes
0answers
18 views

In which units is the result of the flow length tool displayed?

I want to use the flow length tool in ArcMap 10.2.1. to calculate the downslope distance along the flow path of a DEM with a cell size of 5m. The explanation of the the flow length tool says that the ...
1
vote
2answers
104 views

How to project data into both a Vertical & Horizontal Coordinate System?

I have a shapefile whose Geometry is of POINTZM type. The XY coordinate System is NAD_1983_CORS96_StatePlane_North_Carolina_FIPS_3200_Ft_US and the Z coordinate system is ...
1
vote
1answer
18 views

How to apply Melt Area Detection Index to MODIS imagery?

I am working with some MODIS imagery for a project (I'm relatively new to remote sensing) using MOD09GA, and hoping to apply a melt area detection index (MADI) to images to calculate melt day length ...
3
votes
1answer
43 views

Not getting all decimal places when converting numbers to string (ArcObjects with VB .Net)

I would like to build some queries in my addin from layers in my map. I am having problems with double numeric types. esriFieldTypeDouble has 14 - 18 decimal places or more depending on the database ...
1
vote
1answer
4k views

How to import HDF (L1G) files into ArcGIS for Desktop?

I have downloaded satellite imagery from GLCF website, it has downloaded with .L1G file extension, I am not able to open this file in ArcGIS as well in Erdas, so please let me know how to open this.
0
votes
1answer
290 views

What to use as split field or target workspace with Split tool?

I'm trying to use the split tool in arcgis 10.1 but I dont know what I should use as the split field or my target workspace. W:\S&P\s&p techs\Emily\Geodatabase\Geodatabase.gdb this is what I ...
-1
votes
0answers
22 views

Auto Vectorization of Raster Maps [on hold]

I'm trying to analyze the various softwares which are used for auto vectorization (auto digitizing) of raster data. I wanted to use the ArcScan extension of ArcMap. I just wanted to seek any ...