visualizeMap.py cannot work with negative coordinates

[Flashing-Blinkenlights]

Feature branch: None When using a buildarea with negative coordinates, a ValueError: negative dimensions are not allowed is thrown.

Error:

Traceback (most recent call last):
  File "visualizeMap.py", line 18, in <module>
    slice = WorldSlice(x1, z1, x2, z2)
  File "/home/rafael_novotny/memory_module/Code/GDMC/gdmc_http_client_python/gdpc/worldLoader.py", line 65, in __init__
    self.heightmaps[hmName] = np.zeros(

Suggested implementation:

def what_I_imagine():
    ...

Pro:

• [fill me]

Con:

• [fill me]

[caranha]

I think #67 solves this.

[avdstaaij]

Moved to https://github.com/avdstaaij/gdpc/issues/41