Question

我正在尝试使用GIS扩展中的apply-raster将ascii加载到Netlogo中。虽然我之前做了很多次（虽然没有这个特定的ascii），netlogo现在抛出以下错误：

extension exception: 1944553
error while observer running GIS:APPLY-RASTER

我不确定为什么会这样。 ascii有一个投影文件（WKT），应该可以正常工作：

GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137,298.257223563]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]]

ascii本身有以下参数：

ncols         1481
nrows         1314
xllcorner     -10.577897001
yllcorner     49.902509998994
cellsize      0.00833333333333
NODATA_value  -9999

我正在运行这四行来加载ascii并调整世界大小。

set my-dataset "data/my-folder/my-file.asc"
resize-world 0 gis:width-of (gis:load-dataset my-dataset) - 1 0 gis:height-of (gis:load-dataset my-dataset) - 1
gis:set-world-envelope-ds (gis:envelope-of (gis:load-dataset my-dataset))
gis:apply-raster (gis:load-dataset my-dataset) my-variable

是否有人熟悉此错误？或者是否有一个地方可以查看此扩展异常的含义？我找不到它，但也许我在找错了地方。

谢谢！

编辑：有关错误的详细信息，请参阅下文

Extension exception: 1944553
error while observer running GIS:APPLY-RASTER
  called by procedure LOAD-DATASETS
  called by procedure CREATE-WORLD
  called by Button 'create-world'

org.nlogo.nvm.EngineException: Extension exception: 1944553
 at org.nlogo.agent.World.fastGetPatchAt(World.java:560)
 at org.nlogo.agent.World.fastGetPatchAt(World.java:35)
 at org.myworldgis.netlogo.ApplyRaster.performInternal(ApplyRaster.java:53)
 at org.myworldgis.netlogo.GISExtension$Command.perform(GISExtension.java:63)
 at org.nlogo.prim._extern.perform(_extern.java:54)
 at org.nlogo.nvm.Context.stepConcurrent(Context.java:91)
 at org.nlogo.nvm.ConcurrentJob.step(ConcurrentJob.java:82)
 at org.nlogo.job.JobThread.org$nlogo$job$JobThread$$runPrimaryJobs(JobThread.scala:143)
 at org.nlogo.job.JobThread$$anonfun$run$1.apply$mcV$sp(JobThread.scala:78)
 at org.nlogo.job.JobThread$$anonfun$run$1.apply(JobThread.scala:76)
 at org.nlogo.job.JobThread$$anonfun$run$1.apply(JobThread.scala:76)
 at scala.util.control.Exception$Catch.apply(Exception.scala:88)
 at org.nlogo.util.Exceptions$.handling(Exceptions.scala:41)
 at org.nlogo.job.JobThread.run(JobThread.scala:75)

NetLogo 5.2.0
main: org.nlogo.app.AppFrame
thread: JobThread
Java HotSpot(TM) Server VM 1.6.0_45 (Sun Microsystems Inc.; 1.6.0_45-b06)
operating system: Windows 7 6.1 (x86 processor)
Scala version 2.9.2
JOGL: (3D View not initialized)
OpenGL Graphics: (3D View not initialized)
model: test_run_world

03:23:17.778 SwitchedTabsEvent (org.nlogo.app.Tabs) AWT-EventQueue-0
03:23:17.778 RuntimeErrorEvent (org.nlogo.app.App$$anon$1 (org.nlogo.window.GUIWorkspace)) AWT-EventQueue-0
03:23:17.778 InterfaceGlobalEvent (org.nlogo.window.ChooserWidget) AWT-EventQueue-0
03:23:17.778 InterfaceGlobalEvent (org.nlogo.window.InputBoxWidget) AWT-EventQueue-0
03:23:17.778 InterfaceGlobalEvent (org.nlogo.window.InputBoxWidget) AWT-EventQueue-0
03:23:17.778 InterfaceGlobalEvent (org.nlogo.app.InterfacePanel$2 (org.nlogo.window.SliderWidget)) AWT-EventQueue-0
03:23:17.778 InterfaceGlobalEvent (org.nlogo.window.ChooserWidget) AWT-EventQueue-0
03:23:17.778 InterfaceGlobalEvent (org.nlogo.window.ChooserWidget) AWT-EventQueue-0
03:23:17.778 InterfaceGlobalEvent (org.nlogo.window.ChooserWidget) AWT-EventQueue-0
03:23:17.778 InterfaceGlobalEvent (org.nlogo.widget.SwitchWidget) AWT-EventQueue-0

Answer 1

我非常确定RasterDataset.resample中存在一个错误的错误，但我从来没有时间去研究它。您应该能够通过从调用resize-world中删除＆＃34; - 1＆＃34;来解决这个问题，即

resize-world 0 gis:width-of (gis:load-dataset my-dataset) 0 gis:height-of (gis:load-dataset my-dataset)

如果这不起作用，请告诉我，我会看看是否可以抽出时间进一步调查。

Answer 2

在重新创建所有ascii文件后，问题终于得以解决。即使旧的和新的ascii文件没有明显的区别，旧文件也必须以某种方式被破坏。问题中的代码现在运行正常。希望这个主题对于遇到同样错误的人来说仍然有用。

应用raster netlogo gis时的扩展异常：1944553

2 个答案: