0
votes
2answers
33 views

Clipping a raster file into the multiple shapefiles

I splitted the single shapefile into the multiple shape file based upon their attributes. Now I want to clip the raster file into the each splitted shape file. How can I do it at once? I am using a ...
4
votes
1answer
103 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 ...
2
votes
1answer
31 views

Find maximum and minimum value in a list of raster

I trying to write a standardisation script that standardises each raster dataset in a list of rasters by the highest and lowest values found in the list of rasters. The standardisation code is as ...
1
vote
1answer
63 views

Why does a raster with resolution 5x5m not create a grid with these dimensions? [closed]

I created a 5m x 5m raster using ArcGIS 10.0 Spatial Analyst from a point file. As can be seen in the screenshots of the image and the table, the resulting grid has a higher resoluation than is ...
1
vote
1answer
24 views

GEOTIFF Binary File with Color Display Issues

I have a GEOTIFF in QGIS that shows values of 0 and 1 and I want the 0 values to have no fill so that background vector layers can show through and so I can easily overlay things in a print composer ...
2
votes
3answers
77 views

How to reclassify only a part of a raster but keep the rest unchanged (ArcGIS or R)

I'm trying to reclassify only a certain part of a raster...not the entire raster. Here's the problem. I have a LULC raster of the entire US. There are some issues with the raster that I want to ...
3
votes
0answers
104 views

How to compute surface of raster or any point using ARCGIS?

I have a raster image whose values are a digital elevation model of terrain. I need to know the surface type (topographic characterization) of particular points along transects of this DEM. How to ...
0
votes
0answers
11 views

Raster images at edge of data frame not displaying. How can I prevent then from disapearing?

I have a series of satellite images and as I pan or zoom, the images near the edges of the data frame the stop being displayed leaving small areas with no imagery. It is seems to occur when only ...
2
votes
1answer
124 views

Calculate the values of range, sill, nugget in ordinary kriging? [closed]

I am working on temperature data, and I want to interpolate the data to any location that I specify. My programming language is asp.net4 C#. I don't know how can I determine the sill, range, nugget ...
1
vote
1answer
87 views

How can i convert a raster from continuous to discrete?

I have a tiff that is 'invalid' for a lot of tools and will not let me view the attribute table. I think this is because it is "continuous" rather than "discrete". Does anybody know how to convert it ...
2
votes
1answer
46 views

How to stop transfer of large raster into arcsde geodatabase

I have just realised that I will not have enough space on my harddrive to accomodate a raster which is being copied into an arcsde geodatadatabase. I am afraid, that if I stop the process in ...
9
votes
4answers
144 views

How to determine if point is surrounded using raster processing?

I am attempting to improve a currently extremely cumbersome vector/python process for a natural hazard model. At the moment we have a lengthy script which generates distance/bearing lines from a given ...
0
votes
0answers
34 views

recording pixel value with Python script in ArcGIS 10.x

A scripting newbie question... I'd like to write a Python script for ArcGIS 10.x that would record the pixel value for all pixels in a raster. Furthermore, I'd like to only record a given value once ...
1
vote
2answers
77 views

Copy rasters slow, increases file size

I have a folder with ~1200 aerial photos in both jp2 and tif format, of which I need about 380. I wrote a python script to get the names of the files I need, which works fine. But when the script ...
0
votes
1answer
43 views

How to force deletion of corrupt ArcSDE Raster?

ArcSDE 9.3 / ArcGIS Server 10.0 / ArcCatalog Advanced 10.0 After an unsuccessful attempt at creating a mosiac, ArcCatalog refuses to allow deletion of the corrupt Raster file. The Mosiac creation ...
0
votes
1answer
48 views

How I can merge three rasters with sum cell

I am working by ArcGIS 10 and I have three raster all of raster have value cell and I want output raster have the sum of pixels values
2
votes
2answers
49 views

Calculating loss of value from a wind turbine on surrounding properties depending on distance

I have to evaluate where installing a turbine would be most efficient, depending on wind speed and price of properties surrounding each cell in a raster. The cost on value of properties is computed ...
2
votes
2answers
121 views

How to Calculate Custom Zonal Statistics?

I have a vector polygon shapefile outlining counties for which I have a raster of nighttime-luminosity data. I've been able to compute Zonal Statistics in ArcGIS 10.0 using Zonal Statistics as Table ...
1
vote
2answers
93 views

TIFF/Raster to Point shapefile question

Apologies in advance if this question is incredibly basic, but I've been googling around and I just don't know where to start. I've downloaded some nighttime luminosity data from NASA, and the data ...
2
votes
1answer
57 views

extend the size (area) of raster

My problem is that I would like to multiply two rasters using raster calculation tool. Both rasters have values 0 and 1, but the covered area of first raster is bigger (100 x 100 miles) then the area ...
2
votes
1answer
148 views

How do I fill gaps in a raster to zero value cells?

I am trying to add some forest elevations to a DEM using ArcView. I have converted a polygon feature class of a forest into a raster with the same resolution as my DEM. Then I reclassed the forest ...
1
vote
2answers
58 views

Rasters added to mosaic dataset only display at large acale

I have a set of 357 rasters in .jp2 that I've added to a mosaic dataset. All but 7 of them display properly, but the 7 only display at larger scales, around 1:6500 and under. I've tried adding them ...
2
votes
1answer
41 views

How to choose an area (of mxn metres) within a raster that have values above a certain range

I've got a raster of concentrations of iron on Mars and I want to be able to choose several areas of either m by n dimensions in metres, or just any area in m^2, that encapsulate regions that have ...
2
votes
1answer
40 views

Wrong values in Feature/Point to Raster

I've got an XY dataset that I'd like to convert to a raster, based on the ETrel_whol field. The ETrel_whole field includes NaNs and ranges from 0-1. I would like to convert this to a raster, with a ...
1
vote
1answer
239 views

How to Build Raster Attribute Table from .tif with pixel type of float or double?

I have a raster with the extension .tif. It's a subset of 87x87 pixel with values from some 6,66 to -4,27. If I right click on it there is no Attribute Table available. However, I can change the ...
2
votes
1answer
161 views

Spatial Analysis - Calculate a cells elevation (height) above the nearest stream cell

I have searched for some ideas on how to formulate this analysis, but have come up short. I imagine there is a pretty straight forward answer; any help would be greatly appreciates. Data: DEM, ...
1
vote
0answers
33 views

What type of calculations must be done for traffic emission for buffers in land use regression?

I have a raster layer that shows traffic emission distribution by kernel density method. Traffic emission will be used as independent variable in land use regression. What type of calculations must ...
1
vote
1answer
124 views

If road lengths are raster layer, how to calculate road lengths for different buffers?

A question related calculation of road layer lengths using raster layer for land use regression. If raster layers are used instead of vector layer for calculation of land use area and road lengths, ...
0
votes
0answers
70 views

Methods to calculate Viewshed analysis

Does anyone know an algorithm to calculate Viewshed analysis? I calculated them in ArcGIS, MapInfo and SAGA GIS. I wish to calculate Viewshed analysis using algorithm or methods which I can use in ...
0
votes
2answers
94 views

Clipping polygon layer into multiple polygons via model builder?

I have a huge polygon layer created from a raster, and over that I have a watershed shapefile. I need to run a land-use regression process on each individual watershed so I'd like to clip and export ...
1
vote
0answers
153 views

Why does CON statement give ERROR 010240: Could not save raster dataset to (value) with output format GRID?

I am receiving the following error when trying to run the following code: import arcpy from arcpy import env from arcpy.sa import * arcpy.CheckOutExtension = "Spatial" env.workspace = ...
1
vote
1answer
96 views

“dataset does not exist or is not supported” using large GRID raster

I am trying my hand at arcpy for the first time to create a conditional raster from a set of threshold values. I have 3 large GRID format rasters (mos_zb3, mos_zb4, pca_finb2) I am trying to feed into ...
2
votes
0answers
34 views

Wrong pixel sums within buffers in Esri ArcGIS 10.0

I have a raster of Zambia, 100m² resolution (about 650mb). Buffers (single) at 1,2,3,4,5,10,15,20,25,30,50 km. I'm running "zonal statistics as table" in the model builder for all buffers (actually, ...
0
votes
2answers
72 views

Count the area of rasterdata in specific shapefile polygons (residential density in different districts)

I'd like to count the exact area of three different residential classes (low, medium, high) by district of a shapefile which contains 225 districts. like: district 1 has: XXX sqm low, XXX sqm medium, ...
3
votes
1answer
52 views

How to use Plus tool in ModelBuilder?

I want to have the sum of at least 2000 raster combined to one raster layer using ModelBuilder (Plus tool). I think I'm missing something here. This model does not work.
0
votes
0answers
50 views

Updating a raster dataset stored in SDE, without schema changes

The Short(ish) Version: I have some rasters, that are generated nightly, that I need to insert into an SDE instance (10.0), sitting on top of an Oracle database (11.1.0.7). I have many users who ...
3
votes
2answers
139 views

Calculating Z-scores in Arc

I am trying to take the natural log and then calculate z-scores on cell values in several composite band GRID rasters in Arc. I am not fluent in python and do not see a way to automate this within Arc ...
3
votes
0answers
141 views

Extract values from raster based on weighted average area using polygon grid

EDIT: I am using Armap 10 sp 5 I have found similar questions but they were either unanswered or somewhat different to what I am asking. I have a raster with cell values 1-5 and a polygon shape file ...
0
votes
0answers
92 views

Trying to build pyramids for large raster

I finally was able to make a slope with a rather large 5m DEM. But now I it usually wont finish drawing. When ArcMap asks to 'build pyramids' it always freezes sometimes instantly after accepting ...
1
vote
0answers
15 views

the layer attribute table is not consistent with the pointvalue

The point value of my grid is right, but the output value ranges from -2147483648 to 2147483647. I haved tried to recalucate statistics, but it didn't work..
1
vote
1answer
263 views

How to change the pixel value of a raster dataset which overlaps a polygon featured shapefile in ArcGIS

I have a raster data of 1992 and a 'shapefile' of Los Angeles county. I want to reclassify the pixel value of the raster data set to 'no data' or zero in the region where the raster and the ...
3
votes
1answer
111 views

Creating Contours from a Classified Raster - ArcGIS

I have a group of classified raster files, showing point densities at 3 intervals. I want to create contour lines based on this data at these same intervals. I'm guessing this should be fairly easy, ...
1
vote
1answer
427 views

Spatially join large raster to polygon shapefile

I have a large raster file with elevation data. From this raster, I would like to infer the average ruggedness for different geographic zones (like countries). I have the "countries shapefile" as a ...
2
votes
1answer
107 views

Efficiently check for equal adjacent values in raster calculator

I have a raster consisting of integer values in each cell. I want to check every adjacent cell in a 3x3 grid to see if any one of the adjacent cells has a value EQUAL to the center cell, and if so, ...
1
vote
0answers
170 views

How To calculate raster land cover inside overlapping buffer zones?

I am working with a raster land cover file that consists of several land cover types (e.g. forest, buildings, grass ect.) in total there is 40 different land cover types. I have 1200 bufferzonen ...
0
votes
2answers
137 views

How to georeference a raster based on identical, already georeferenced raster

I have two identical rasters, one has been georeferenced, the other has not. I would like to georeference the second raster automatically using the first one. I do not want to create links by hand and ...
2
votes
3answers
246 views

Is there a Raster Equivalent of the Split tool?

I have the DEM of a State in ERDAS Imagine (.img) format. I have a shapefile containing the counties of that state. I want to split the whole raster into DEMs of the individual counties. The counties ...
0
votes
1answer
79 views

Integer rasters referring to the same scale

I'm using ArcMap 10. I want to display the area of simulated avalanches. I want this area to be divided in different colors depending on the thickness of the deposit. I managed to do that. But I want ...
0
votes
1answer
620 views

Can ArcGIS Desktop 10 stack layers?

I have 7 bands of Landsat and I would like to combine all layers into one layer. Can ArcMap do as Erdas software?
0
votes
1answer
153 views

Working with Interrupted Goode Homolosine data

I'm trying to use Global Land Cover Characterization data from the USGS: http://edc2.usgs.gov/glcc/fao/data_specifications.php It is in the Interrupted Goode Homolosine projection. As I am working ...